7/0x7f
[  404.005306][ T6026]  do_syscall_64+0x353/0x580
[  404.005322][ T6026]  ? trace_irq_disable+0x3b/0x140
[  404.005375][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  404.005388][ T6026] RIP: 0033:0x7fecc479f257
[  404.005402][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  404.005413][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  404.005429][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  404.005437][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  404.005445][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  404.005453][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  404.005460][ T6026] R13: 00007fecc483445c R14: 000000000006298f R15: 00007ffecf29a7f0
[  404.005480][ T6026]  </TASK>
[  404.005541][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  404.176400][T10025] loop0: detected capacity change from 0 to 40427
[  404.185793][T10025] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  404.209967][T10025] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  404.220961][T10024] loop2: detected capacity change from 0 to 40427
[  404.229799][T10024] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  404.237918][T10024] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  404.324005][T10024] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  404.327200][T10025] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  404.334531][T10024] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  404.335723][T10025] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  404.340031][T10025] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  404.345205][T10024] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  404.367989][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  404.368014][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  404.368024][ T6024] Call Trace:
[  404.368030][ T6024]  <TASK>
[  404.368036][ T6024]  dump_stack_lvl+0xe8/0x150
[  404.368062][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  404.368085][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  404.368113][ T6024]  __submit_merged_bio+0x258/0x6a0
[  404.368158][ T6024]  ? rcu_is_watching+0x15/0xb0
[  404.368176][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  404.368199][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  404.368232][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  404.368245][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  404.368285][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  404.368358][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  404.368373][ T6024]  ? __bfs+0x153/0x290
[  404.368389][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  404.368415][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  404.368428][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  404.368465][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  404.368479][ T6024]  do_writepages+0x338/0x560
[  404.368505][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  404.368522][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  404.368543][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  404.368592][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  404.368609][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  404.368633][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  404.368667][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  404.368724][ T6024]  kill_f2fs_super+0x2dd/0x700
[  404.368745][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  404.368767][ T6024]  ? call_rcu+0x64b/0x8b0
[  404.368779][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  404.368805][ T6024]  deactivate_locked_super+0xbc/0x110
[  404.368825][ T6024]  cleanup_mnt+0x3d3/0x460
[  404.368842][ T6024]  task_work_run+0x1d9/0x270
[  404.368855][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  404.368873][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  404.368888][ T6024]  ? rcu_is_watching+0x15/0xb0
[  404.368900][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  404.368913][ T6024]  do_syscall_64+0x353/0x580
[  404.368927][ T6024]  ? trace_irq_disable+0x3b/0x140
[  404.368947][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  404.368959][ T6024] RIP: 0033:0x7f7f7319f257
[  404.368973][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  404.368984][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  404.369001][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  404.369010][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  404.369018][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  404.369027][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  404.369036][ T6024] R13: 00007f7f7323445c R14: 0000000000062b08 R15: 00007ffd320a10d0
[  404.369059][ T6024]  </TASK>
[  404.375983][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  404.513864][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  404.513891][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  404.513900][ T6025] Call Trace:
[  404.513906][ T6025]  <TASK>
[  404.513912][ T6025]  dump_stack_lvl+0xe8/0x150
[  404.513943][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  404.513969][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  404.514001][ T6025]  __submit_merged_bio+0x258/0x6a0
[  404.514020][ T6025]  ? rcu_is_watching+0x15/0xb0
[  404.514040][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  404.514067][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  404.514126][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  404.514140][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  404.514181][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  404.514226][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  404.514238][ T6025]  ? __bfs+0x153/0x290
[  404.514255][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  404.514280][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  404.514295][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  404.514360][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  404.514377][ T6025]  do_writepages+0x338/0x560
[  404.514404][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  404.514423][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  404.514446][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  404.514496][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  404.514515][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  404.514541][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  404.514578][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  404.514631][ T6025]  kill_f2fs_super+0x2dd/0x700
[  404.514652][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  404.514681][ T6025]  ? call_rcu+0x64b/0x8b0
[  404.514694][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  404.514721][ T6025]  deactivate_locked_super+0xbc/0x110
[  404.514743][ T6025]  cleanup_mnt+0x3d3/0x460
[  404.514761][ T6025]  task_work_run+0x1d9/0x270
[  404.514778][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  404.514798][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  404.514816][ T6025]  ? rcu_is_watching+0x15/0xb0
[  404.514830][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  404.514845][ T6025]  do_syscall_64+0x353/0x580
[  404.514861][ T6025]  ? trace_irq_disable+0x3b/0x140
[  404.514883][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  404.514897][ T6025] RIP: 0033:0x7f99c779f257
[  404.514912][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  404.514924][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  404.514941][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  404.514950][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  404.514959][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  404.514968][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  404.514977][ T6025] R13: 00007f99c783445c R14: 0000000000062b17 R15: 00007ffc6876e7b0
[  404.515000][ T6025]  </TASK>
[  404.522239][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  405.003075][T10033] loop1: detected capacity change from 0 to 40427
[  405.008264][T10033] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  405.011314][T10033] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  405.128391][T10033] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  405.147021][T10033] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  405.152667][T10033] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  405.158277][   T34] kauditd_printk_skb: 18 callbacks suppressed
[  405.158294][   T34] audit: type=1800 audit(1785602844.152:1856): pid=10033 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.944" name="file1" dev="loop1" ino=10 res=0 errno=0
[  405.181993][   T34] audit: type=1800 audit(1785602844.172:1857): pid=10033 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.944" name="file1" dev="loop1" ino=10 res=0 errno=0
[  405.196695][T10033] bio_check_eod: 32 callbacks suppressed
[  405.196717][T10033] syz.1.944: attempt to access beyond end of device
[  405.196717][T10033] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  405.220814][T10033] syz.1.944: attempt to access beyond end of device
[  405.220814][T10033] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  405.251410][ T6026] syz-executor: attempt to access beyond end of device
[  405.251410][ T6026] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  405.267254][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  405.267280][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  405.267290][ T6026] Call Trace:
[  405.267296][ T6026]  <TASK>
[  405.267302][ T6026]  dump_stack_lvl+0xe8/0x150
[  405.267380][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  405.267405][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  405.267435][ T6026]  __submit_merged_bio+0x258/0x6a0
[  405.267453][ T6026]  ? rcu_is_watching+0x15/0xb0
[  405.267471][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  405.267495][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  405.267529][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  405.267543][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  405.267585][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  405.267630][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  405.267642][ T6026]  ? __bfs+0x153/0x290
[  405.267657][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  405.267680][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  405.267695][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  405.267730][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  405.267745][ T6026]  do_writepages+0x338/0x560
[  405.267772][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  405.267790][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  405.267812][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  405.267862][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  405.267880][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  405.267905][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  405.267943][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  405.267996][ T6026]  kill_f2fs_super+0x2dd/0x700
[  405.268018][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  405.268040][ T6026]  ? call_rcu+0x64b/0x8b0
[  405.268052][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  405.268080][ T6026]  deactivate_locked_super+0xbc/0x110
[  405.268101][ T6026]  cleanup_mnt+0x3d3/0x460
[  405.268119][ T6026]  task_work_run+0x1d9/0x270
[  405.268134][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  405.268154][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  405.268179][ T6026]  ? rcu_is_watching+0x15/0xb0
[  405.268192][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.268207][ T6026]  do_syscall_64+0x353/0x580
[  405.268223][ T6026]  ? trace_irq_disable+0x3b/0x140
[  405.268244][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.268257][ T6026] RIP: 0033:0x7fecc479f257
[  405.268271][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  405.268281][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  405.268297][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  405.268305][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  405.268312][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  405.268350][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  405.268359][ T6026] R13: 00007fecc483445c R14: 0000000000062e76 R15: 00007ffecf29a7f0
[  405.268381][ T6026]  </TASK>
[  405.388049][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  405.408195][T10037] loop2: detected capacity change from 0 to 40427
[  405.432403][T10035] loop0: detected capacity change from 0 to 40427
[  405.437103][T10035] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  405.439858][T10035] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  405.532994][T10037] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  405.537433][T10037] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  405.595143][T10035] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  405.629793][T10035] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  405.645400][T10035] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  405.653312][   T34] audit: type=1800 audit(1785602844.642:1858): pid=10035 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.945" name="file1" dev="loop0" ino=10 res=0 errno=0
[  405.663667][T10035] syz.0.945: attempt to access beyond end of device
[  405.663667][T10035] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  405.670556][T10035] syz.0.945: attempt to access beyond end of device
[  405.670556][T10035] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  405.681067][T10037] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  405.684617][   T34] audit: type=1800 audit(1785602844.652:1859): pid=10035 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.945" name="file1" dev="loop0" ino=10 res=0 errno=0
[  405.698149][T10037] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  405.701269][T10037] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  405.701909][ T6024] syz-executor: attempt to access beyond end of device
[  405.701909][ T6024] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  405.714501][   T34] audit: type=1800 audit(1785602844.712:1860): pid=10037 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.946" name="file1" dev="loop2" ino=10 res=0 errno=0
[  405.729594][T10037] syz.2.946: attempt to access beyond end of device
[  405.729594][T10037] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  405.733053][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  405.733079][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  405.733089][ T6024] Call Trace:
[  405.733095][ T6024]  <TASK>
[  405.733101][ T6024]  dump_stack_lvl+0xe8/0x150
[  405.733127][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  405.733153][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  405.733182][ T6024]  __submit_merged_bio+0x258/0x6a0
[  405.733202][ T6024]  ? rcu_is_watching+0x15/0xb0
[  405.733219][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  405.733240][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  405.733272][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  405.733305][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  405.733382][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  405.733397][ T6024]  ? __bfs+0x153/0x290
[  405.733412][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  405.733436][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  405.733451][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  405.733488][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  405.733502][ T6024]  do_writepages+0x338/0x560
[  405.733533][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  405.733552][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  405.733874][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  405.733919][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  405.733935][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  405.734002][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  405.734035][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  405.734081][ T6024]  kill_f2fs_super+0x2dd/0x700
[  405.734100][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  405.734120][ T6024]  ? call_rcu+0x64b/0x8b0
[  405.734132][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  405.734157][ T6024]  deactivate_locked_super+0xbc/0x110
[  405.734274][ T6024]  cleanup_mnt+0x3d3/0x460
[  405.734358][ T6024]  task_work_run+0x1d9/0x270
[  405.734373][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  405.734390][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  405.734406][ T6024]  ? rcu_is_watching+0x15/0xb0
[  405.734418][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.734431][ T6024]  do_syscall_64+0x353/0x580
[  405.734447][ T6024]  ? trace_irq_disable+0x3b/0x140
[  405.734467][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.734478][ T6024] RIP: 0033:0x7f7f7319f257
[  405.734493][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  405.734504][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  405.734520][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  405.734546][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  405.734556][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  405.734564][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  405.734572][ T6024] R13: 00007f7f7323445c R14: 0000000000063042 R15: 00007ffd320a10d0
[  405.734592][ T6024]  </TASK>
[  405.742974][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  405.744723][   T34] audit: type=1800 audit(1785602844.722:1861): pid=10037 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.946" name="file1" dev="loop2" ino=10 res=0 errno=0
[  405.840723][T10037] syz.2.946: attempt to access beyond end of device
[  405.840723][T10037] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  405.943477][ T6025] syz-executor: attempt to access beyond end of device
[  405.943477][ T6025] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  405.981148][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  405.981174][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  405.981184][ T6025] Call Trace:
[  405.981191][ T6025]  <TASK>
[  405.981197][ T6025]  dump_stack_lvl+0xe8/0x150
[  405.981225][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  405.981249][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  405.981278][ T6025]  __submit_merged_bio+0x258/0x6a0
[  405.981296][ T6025]  ? rcu_is_watching+0x15/0xb0
[  405.981315][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  405.981362][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  405.981389][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  405.981423][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  405.981461][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  405.981477][ T6025]  ? __bfs+0x153/0x290
[  405.981491][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  405.981514][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  405.981528][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  405.981561][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  405.981576][ T6025]  do_writepages+0x338/0x560
[  405.981602][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  405.981619][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  405.981645][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  405.981689][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  405.981706][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  405.981729][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  405.981764][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  405.981812][ T6025]  kill_f2fs_super+0x2dd/0x700
[  405.981841][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  405.981864][ T6025]  ? call_rcu+0x64b/0x8b0
[  405.981875][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  405.981902][ T6025]  deactivate_locked_super+0xbc/0x110
[  405.981924][ T6025]  cleanup_mnt+0x3d3/0x460
[  405.981943][ T6025]  task_work_run+0x1d9/0x270
[  405.981958][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  405.981975][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  405.981994][ T6025]  ? rcu_is_watching+0x15/0xb0
[  405.982006][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.982018][ T6025]  do_syscall_64+0x353/0x580
[  405.982036][ T6025]  ? trace_irq_disable+0x3b/0x140
[  405.982056][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.982069][ T6025] RIP: 0033:0x7f99c779f257
[  405.982084][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  405.982095][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  405.982110][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  405.982120][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  405.982127][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  405.982135][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  405.982142][ T6025] R13: 00007f99c783445c R14: 00000000000630d5 R15: 00007ffc6876e7b0
[  405.982161][ T6025]  </TASK>
[  405.982167][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  406.254789][T10045] loop1: detected capacity change from 0 to 40427
[  406.267450][T10045] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  406.277991][T10045] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  406.349222][T10045] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  406.366589][T10045] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  406.369974][T10045] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  406.380397][   T34] audit: type=1800 audit(1785602845.372:1862): pid=10045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.947" name="file1" dev="loop1" ino=10 res=0 errno=0
[  406.391376][T10045] syz.1.947: attempt to access beyond end of device
[  406.391376][T10045] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  406.399348][   T34] audit: type=1800 audit(1785602845.372:1863): pid=10045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.947" name="file1" dev="loop1" ino=10 res=0 errno=0
[  406.420965][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  406.420990][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  406.420999][ T6026] Call Trace:
[  406.421007][ T6026]  <TASK>
[  406.421015][ T6026]  dump_stack_lvl+0xe8/0x150
[  406.421042][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  406.421066][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  406.421093][ T6026]  __submit_merged_bio+0x258/0x6a0
[  406.421112][ T6026]  ? rcu_is_watching+0x15/0xb0
[  406.421128][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  406.421152][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  406.421185][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  406.421230][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  406.421265][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  406.421276][ T6026]  ? __bfs+0x153/0x290
[  406.421292][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  406.421345][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  406.421362][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  406.421396][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  406.421409][ T6026]  do_writepages+0x338/0x560
[  406.421436][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  406.421453][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  406.421474][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  406.421520][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  406.421537][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  406.421560][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  406.421596][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  406.421645][ T6026]  kill_f2fs_super+0x2dd/0x700
[  406.421665][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  406.421686][ T6026]  ? call_rcu+0x64b/0x8b0
[  406.421697][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  406.421723][ T6026]  deactivate_locked_super+0xbc/0x110
[  406.421745][ T6026]  cleanup_mnt+0x3d3/0x460
[  406.421763][ T6026]  task_work_run+0x1d9/0x270
[  406.421778][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  406.421797][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  406.421814][ T6026]  ? rcu_is_watching+0x15/0xb0
[  406.421827][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.421841][ T6026]  do_syscall_64+0x353/0x580
[  406.421858][ T6026]  ? trace_irq_disable+0x3b/0x140
[  406.421880][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.421893][ T6026] RIP: 0033:0x7fecc479f257
[  406.421907][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  406.421918][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  406.421933][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  406.421942][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  406.421950][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  406.421958][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  406.421966][ T6026] R13: 00007fecc483445c R14: 000000000006330f R15: 00007ffecf29a7f0
[  406.421987][ T6026]  </TASK>
[  406.580973][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  406.646681][T10049] loop0: detected capacity change from 0 to 40427
[  406.662401][T10049] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  406.670767][T10049] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  406.839908][T10051] loop2: detected capacity change from 0 to 40427
[  406.841014][T10049] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  406.845230][T10051] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  406.853479][T10051] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  406.862739][T10049] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  406.866055][T10049] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  406.882917][   T34] audit: type=1800 audit(1785602845.872:1864): pid=10049 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.948" name="file1" dev="loop0" ino=10 res=0 errno=0
[  406.916564][   T34] audit: type=1800 audit(1785602845.892:1865): pid=10049 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.948" name="file1" dev="loop0" ino=10 res=0 errno=0
[  406.964687][T10051] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  406.976926][T10051] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  406.980482][T10051] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  406.989399][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  406.989422][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  406.989433][ T6024] Call Trace:
[  406.989441][ T6024]  <TASK>
[  406.989450][ T6024]  dump_stack_lvl+0xe8/0x150
[  406.989477][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  406.989501][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  406.989527][ T6024]  __submit_merged_bio+0x258/0x6a0
[  406.989543][ T6024]  ? rcu_is_watching+0x15/0xb0
[  406.989560][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  406.989583][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  406.989613][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  406.989626][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  406.989688][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  406.989730][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  406.989742][ T6024]  ? __bfs+0x153/0x290
[  406.989758][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  406.989781][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  406.989796][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  406.989829][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  406.989843][ T6024]  do_writepages+0x338/0x560
[  406.989868][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  406.989886][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  406.989908][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  406.989951][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  406.989969][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  406.989992][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  406.990027][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  406.990068][ T6024]  kill_f2fs_super+0x2dd/0x700
[  406.990088][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  406.990108][ T6024]  ? call_rcu+0x64b/0x8b0
[  406.990121][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  406.990147][ T6024]  deactivate_locked_super+0xbc/0x110
[  406.990169][ T6024]  cleanup_mnt+0x3d3/0x460
[  406.990186][ T6024]  task_work_run+0x1d9/0x270
[  406.990200][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  406.990217][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  406.990232][ T6024]  ? rcu_is_watching+0x15/0xb0
[  406.990243][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.990256][ T6024]  do_syscall_64+0x353/0x580
[  406.990271][ T6024]  ? trace_irq_disable+0x3b/0x140
[  406.990290][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.990302][ T6024] RIP: 0033:0x7f7f7319f257
[  406.990341][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  406.990352][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  406.990367][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  406.990374][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  406.990380][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  406.990389][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  406.990397][ T6024] R13: 00007f7f7323445c R14: 0000000000063509 R15: 00007ffd320a10d0
[  406.990417][ T6024]  </TASK>
[  406.992481][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
2026/08/01 16:47:25 executed programs: 940
[  407.159519][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  407.159547][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  407.159556][ T6025] Call Trace:
[  407.159563][ T6025]  <TASK>
[  407.159570][ T6025]  dump_stack_lvl+0xe8/0x150
[  407.159596][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  407.159619][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  407.159650][ T6025]  __submit_merged_bio+0x258/0x6a0
[  407.159667][ T6025]  ? rcu_is_watching+0x15/0xb0
[  407.159685][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  407.159709][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  407.159743][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  407.159783][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  407.159840][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  407.159853][ T6025]  ? __bfs+0x153/0x290
[  407.159870][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  407.159894][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  407.159907][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  407.159944][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  407.159958][ T6025]  do_writepages+0x338/0x560
[  407.159985][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  407.160003][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  407.160027][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  407.160076][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  407.160118][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  407.160144][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  407.160181][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  407.160230][ T6025]  kill_f2fs_super+0x2dd/0x700
[  407.160251][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  407.160274][ T6025]  ? call_rcu+0x64b/0x8b0
[  407.160286][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  407.160340][ T6025]  deactivate_locked_super+0xbc/0x110
[  407.160362][ T6025]  cleanup_mnt+0x3d3/0x460
[  407.160379][ T6025]  task_work_run+0x1d9/0x270
[  407.160395][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  407.160414][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  407.160432][ T6025]  ? rcu_is_watching+0x15/0xb0
[  407.160444][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.160457][ T6025]  do_syscall_64+0x353/0x580
[  407.160472][ T6025]  ? trace_irq_disable+0x3b/0x140
[  407.160494][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.160507][ T6025] RIP: 0033:0x7f99c779f257
[  407.160524][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  407.160535][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  407.160554][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  407.160563][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  407.160572][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  407.160583][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  407.160591][ T6025] R13: 00007f99c783445c R14: 00000000000635f7 R15: 00007ffc6876e7b0
[  407.160614][ T6025]  </TASK>
[  407.161950][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  407.672132][T10057] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  407.682833][T10057] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  407.748156][T10059] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  407.766623][T10059] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  407.783799][T10057] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  407.805340][T10057] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  407.808399][T10057] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  407.835696][T10059] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  407.842462][T10059] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  407.845740][T10059] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  407.866981][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  407.867005][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  407.867013][ T6026] Call Trace:
[  407.867020][ T6026]  <TASK>
[  407.867027][ T6026]  dump_stack_lvl+0xe8/0x150
[  407.867052][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  407.867073][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  407.867097][ T6026]  __submit_merged_bio+0x258/0x6a0
[  407.867117][ T6026]  ? rcu_is_watching+0x15/0xb0
[  407.867132][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  407.867154][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  407.867180][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  407.867192][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  407.867227][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  407.867264][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  407.867275][ T6026]  ? __bfs+0x153/0x290
[  407.867288][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  407.867344][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  407.867359][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  407.867389][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  407.867402][ T6026]  do_writepages+0x338/0x560
[  407.867426][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  407.867441][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  407.867462][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  407.867527][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  407.867542][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  407.867563][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  407.867598][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  407.867644][ T6026]  kill_f2fs_super+0x2dd/0x700
[  407.867671][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  407.867691][ T6026]  ? call_rcu+0x64b/0x8b0
[  407.867703][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  407.867727][ T6026]  deactivate_locked_super+0xbc/0x110
[  407.867750][ T6026]  cleanup_mnt+0x3d3/0x460
[  407.867768][ T6026]  task_work_run+0x1d9/0x270
[  407.867783][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  407.867802][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  407.867819][ T6026]  ? rcu_is_watching+0x15/0xb0
[  407.867832][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.867845][ T6026]  do_syscall_64+0x353/0x580
[  407.867862][ T6026]  ? trace_irq_disable+0x3b/0x140
[  407.867882][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.867895][ T6026] RIP: 0033:0x7fecc479f257
[  407.867910][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  407.867921][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  407.867936][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  407.867945][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  407.867952][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  407.867961][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  407.867969][ T6026] R13: 00007fecc483445c R14: 00000000000638ae R15: 00007ffecf29a7f0
[  407.867989][ T6026]  </TASK>
[  407.868744][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  407.871961][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  407.871982][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  407.871990][ T6024] Call Trace:
[  407.871996][ T6024]  <TASK>
[  407.872002][ T6024]  dump_stack_lvl+0xe8/0x150
[  407.872025][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  407.872056][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  407.872082][ T6024]  __submit_merged_bio+0x258/0x6a0
[  407.872098][ T6024]  ? rcu_is_watching+0x15/0xb0
[  407.872114][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  407.872136][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  407.872168][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  407.872202][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  407.872240][ T6024]  ? raw_spin_rq_lock_nested+0x2d/0x160
[  407.872256][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  407.872266][ T6024]  ? __bfs+0x153/0x290
[  407.872281][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  407.872303][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  407.872353][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  407.872406][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  407.872420][ T6024]  do_writepages+0x338/0x560
[  407.872444][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  407.872460][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  407.872479][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  407.872523][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  407.872538][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  407.872557][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  407.872589][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  407.872631][ T6024]  kill_f2fs_super+0x2dd/0x700
[  407.872649][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  407.872667][ T6024]  ? call_rcu+0x64b/0x8b0
[  407.872677][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  407.872699][ T6024]  deactivate_locked_super+0xbc/0x110
[  407.872717][ T6024]  cleanup_mnt+0x3d3/0x460
[  407.872734][ T6024]  task_work_run+0x1d9/0x270
[  407.872747][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  407.872761][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  407.872775][ T6024]  ? rcu_is_watching+0x15/0xb0
[  407.872787][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.872798][ T6024]  do_syscall_64+0x353/0x580
[  407.872810][ T6024]  ? trace_irq_disable+0x3b/0x140
[  407.872828][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.872839][ T6024] RIP: 0033:0x7f7f7319f257
[  407.872851][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  407.872861][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  407.872876][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  407.872884][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  407.872890][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  407.872898][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  407.872905][ T6024] R13: 00007f7f7323445c R14: 00000000000638b9 R15: 00007ffd320a10d0
[  407.872922][ T6024]  </TASK>
[  407.873121][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  408.189811][T10061] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  408.204762][T10061] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  408.298617][T10061] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  408.307652][T10061] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  408.310457][T10061] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  408.361666][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  408.361694][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  408.361702][ T6025] Call Trace:
[  408.361711][ T6025]  <TASK>
[  408.361718][ T6025]  dump_stack_lvl+0xe8/0x150
[  408.361743][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  408.361767][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  408.361794][ T6025]  __submit_merged_bio+0x258/0x6a0
[  408.361810][ T6025]  ? rcu_is_watching+0x15/0xb0
[  408.361827][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  408.361849][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  408.361877][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  408.361889][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  408.361924][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  408.361961][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  408.361973][ T6025]  ? __bfs+0x153/0x290
[  408.361986][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  408.362005][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  408.362017][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  408.362048][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  408.362061][ T6025]  do_writepages+0x338/0x560
[  408.362085][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  408.362100][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  408.362121][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  408.362161][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  408.362178][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  408.362200][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  408.362233][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  408.362299][ T6025]  kill_f2fs_super+0x2dd/0x700
[  408.362350][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  408.362372][ T6025]  ? call_rcu+0x64b/0x8b0
[  408.362384][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  408.362411][ T6025]  deactivate_locked_super+0xbc/0x110
[  408.362433][ T6025]  cleanup_mnt+0x3d3/0x460
[  408.362450][ T6025]  task_work_run+0x1d9/0x270
[  408.362465][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  408.362483][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  408.362500][ T6025]  ? rcu_is_watching+0x15/0xb0
[  408.362513][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.362526][ T6025]  do_syscall_64+0x353/0x580
[  408.362541][ T6025]  ? trace_irq_disable+0x3b/0x140
[  408.362560][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.362572][ T6025] RIP: 0033:0x7f99c779f257
[  408.362587][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  408.362597][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  408.362613][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  408.362621][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  408.362629][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  408.362637][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  408.362645][ T6025] R13: 00007f99c783445c R14: 0000000000063a94 R15: 00007ffc6876e7b0
[  408.362672][ T6025]  </TASK>
[  408.577172][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  408.780687][T10069] set_capacity_and_notify: 3 callbacks suppressed
[  408.780700][T10069] loop1: detected capacity change from 0 to 40427
[  408.791771][T10069] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  408.794880][T10069] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  408.885780][T10069] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  408.905441][T10069] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  408.907879][T10069] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  408.933895][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  408.933916][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  408.933925][ T6026] Call Trace:
[  408.933931][ T6026]  <TASK>
[  408.933937][ T6026]  dump_stack_lvl+0xe8/0x150
[  408.933960][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  408.934007][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  408.934035][ T6026]  __submit_merged_bio+0x258/0x6a0
[  408.934052][ T6026]  ? rcu_is_watching+0x15/0xb0
[  408.934069][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  408.934092][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  408.934124][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  408.934161][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  408.934202][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  408.934213][ T6026]  ? __bfs+0x153/0x290
[  408.934229][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  408.934253][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  408.934266][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  408.934328][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  408.934343][ T6026]  do_writepages+0x338/0x560
[  408.934367][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  408.934383][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  408.934403][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  408.934448][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  408.934463][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  408.934485][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  408.934521][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  408.934568][ T6026]  kill_f2fs_super+0x2dd/0x700
[  408.934588][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  408.934609][ T6026]  ? call_rcu+0x64b/0x8b0
[  408.934621][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  408.934647][ T6026]  deactivate_locked_super+0xbc/0x110
[  408.934667][ T6026]  cleanup_mnt+0x3d3/0x460
[  408.934684][ T6026]  task_work_run+0x1d9/0x270
[  408.934699][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  408.934717][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  408.934733][ T6026]  ? rcu_is_watching+0x15/0xb0
[  408.934744][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.934758][ T6026]  do_syscall_64+0x353/0x580
[  408.934772][ T6026]  ? trace_irq_disable+0x3b/0x140
[  408.934790][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.934802][ T6026] RIP: 0033:0x7fecc479f257
[  408.934816][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  408.934826][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  408.934840][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  408.934849][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  408.934857][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  408.934865][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  408.934873][ T6026] R13: 00007fecc483445c R14: 0000000000063ce3 R15: 00007ffecf29a7f0
[  408.934900][ T6026]  </TASK>
[  408.936503][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  409.056514][T10071] loop0: detected capacity change from 0 to 40427
[  409.095378][T10071] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  409.099157][T10071] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  409.184383][T10071] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  409.198494][T10071] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  409.202394][T10071] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  409.238253][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  409.238282][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  409.238292][ T6024] Call Trace:
[  409.238337][ T6024]  <TASK>
[  409.238347][ T6024]  dump_stack_lvl+0xe8/0x150
[  409.238379][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  409.238405][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  409.238435][ T6024]  __submit_merged_bio+0x258/0x6a0
[  409.238456][ T6024]  ? rcu_is_watching+0x15/0xb0
[  409.238474][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  409.238501][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  409.238537][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  409.238582][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  409.238633][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  409.238656][ T6024]  ? __bfs+0x153/0x290
[  409.238676][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  409.238701][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  409.238716][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  409.238747][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  409.238761][ T6024]  do_writepages+0x338/0x560
[  409.238791][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  409.238811][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  409.238835][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  409.238877][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  409.238893][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  409.238916][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  409.238944][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  409.238988][ T6024]  kill_f2fs_super+0x2dd/0x700
[  409.239005][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  409.239026][ T6024]  ? call_rcu+0x64b/0x8b0
[  409.239038][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  409.239064][ T6024]  deactivate_locked_super+0xbc/0x110
[  409.239108][ T6024]  cleanup_mnt+0x3d3/0x460
[  409.239127][ T6024]  task_work_run+0x1d9/0x270
[  409.239142][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  409.239160][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  409.239177][ T6024]  ? rcu_is_watching+0x15/0xb0
[  409.239190][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.239203][ T6024]  do_syscall_64+0x353/0x580
[  409.239217][ T6024]  ? trace_irq_disable+0x3b/0x140
[  409.239236][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.239248][ T6024] RIP: 0033:0x7f7f7319f257
[  409.239261][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  409.239271][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  409.239286][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  409.239294][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  409.239331][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  409.239339][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  409.239346][ T6024] R13: 00007f7f7323445c R14: 0000000000063e0f R15: 00007ffd320a10d0
[  409.239366][ T6024]  </TASK>
[  409.239881][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  409.397294][T10075] loop2: detected capacity change from 0 to 40427
[  409.414609][T10075] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  409.427440][T10075] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  409.545096][T10075] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  409.553182][T10075] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  409.556081][T10075] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  409.590009][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  409.590031][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  409.590039][ T6025] Call Trace:
[  409.590046][ T6025]  <TASK>
[  409.590052][ T6025]  dump_stack_lvl+0xe8/0x150
[  409.590075][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  409.590098][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  409.590126][ T6025]  __submit_merged_bio+0x258/0x6a0
[  409.590143][ T6025]  ? rcu_is_watching+0x15/0xb0
[  409.590183][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  409.590207][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  409.590238][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  409.590275][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  409.590352][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  409.590366][ T6025]  ? __bfs+0x153/0x290
[  409.590381][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  409.590406][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  409.590420][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  409.590455][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  409.590469][ T6025]  do_writepages+0x338/0x560
[  409.590494][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  409.590512][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  409.590533][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  409.590583][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  409.590601][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  409.590625][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  409.590661][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  409.590710][ T6025]  kill_f2fs_super+0x2dd/0x700
[  409.590729][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  409.590748][ T6025]  ? call_rcu+0x64b/0x8b0
[  409.590760][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  409.590786][ T6025]  deactivate_locked_super+0xbc/0x110
[  409.590806][ T6025]  cleanup_mnt+0x3d3/0x460
[  409.590824][ T6025]  task_work_run+0x1d9/0x270
[  409.590839][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  409.590859][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  409.590876][ T6025]  ? rcu_is_watching+0x15/0xb0
[  409.590889][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.590903][ T6025]  do_syscall_64+0x353/0x580
[  409.590919][ T6025]  ? trace_irq_disable+0x3b/0x140
[  409.590939][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.590952][ T6025] RIP: 0033:0x7f99c779f257
[  409.590965][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  409.590976][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  409.590998][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  409.591006][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  409.591014][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  409.591021][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  409.591029][ T6025] R13: 00007f99c783445c R14: 0000000000063f71 R15: 00007ffc6876e7b0
[  409.591051][ T6025]  </TASK>
[  409.714004][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  410.019872][T10079] loop1: detected capacity change from 0 to 40427
[  410.047546][T10079] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  410.061169][T10079] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  410.120390][T10079] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  410.128914][T10079] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  410.131829][T10079] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  410.164397][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  410.164421][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  410.164429][ T6026] Call Trace:
[  410.164436][ T6026]  <TASK>
[  410.164442][ T6026]  dump_stack_lvl+0xe8/0x150
[  410.164467][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  410.164487][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  410.164514][ T6026]  __submit_merged_bio+0x258/0x6a0
[  410.164530][ T6026]  ? rcu_is_watching+0x15/0xb0
[  410.164547][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  410.164570][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  410.164603][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  410.164615][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  410.164676][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  410.164718][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  410.164730][ T6026]  ? __bfs+0x153/0x290
[  410.164745][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  410.164768][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  410.164781][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  410.164815][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  410.164829][ T6026]  do_writepages+0x338/0x560
[  410.164852][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  410.164868][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  410.164886][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  410.164931][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  410.164946][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  410.164968][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  410.165007][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  410.165056][ T6026]  kill_f2fs_super+0x2dd/0x700
[  410.165075][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  410.165096][ T6026]  ? call_rcu+0x64b/0x8b0
[  410.165108][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  410.165134][ T6026]  deactivate_locked_super+0xbc/0x110
[  410.165153][ T6026]  cleanup_mnt+0x3d3/0x460
[  410.165170][ T6026]  task_work_run+0x1d9/0x270
[  410.165185][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  410.165204][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  410.165220][ T6026]  ? rcu_is_watching+0x15/0xb0
[  410.165233][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.165246][ T6026]  do_syscall_64+0x353/0x580
[  410.165261][ T6026]  ? trace_irq_disable+0x3b/0x140
[  410.165281][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.165319][ T6026] RIP: 0033:0x7fecc479f257
[  410.165334][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  410.165346][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  410.165359][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  410.165366][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  410.165373][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  410.165383][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  410.165390][ T6026] R13: 00007fecc483445c R14: 00000000000641aa R15: 00007ffecf29a7f0
[  410.165409][ T6026]  </TASK>
[  410.165467][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  410.183021][T10083] loop2: detected capacity change from 0 to 40427
[  410.303165][T10083] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  410.319553][T10083] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  410.380036][T10083] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  410.397471][T10083] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  410.399785][T10083] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  410.405158][   T34] kauditd_printk_skb: 16 callbacks suppressed
[  410.405173][   T34] audit: type=1800 audit(1785602849.402:1882): pid=10083 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.958" name="file1" dev="loop2" ino=10 res=0 errno=0
[  410.405543][T10085] loop0: detected capacity change from 0 to 40427
[  410.419512][   T34] audit: type=1800 audit(1785602849.412:1883): pid=10083 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.958" name="file1" dev="loop2" ino=10 res=0 errno=0
[  410.434474][T10083] bio_check_eod: 29 callbacks suppressed
[  410.434489][T10083] syz.2.958: attempt to access beyond end of device
[  410.434489][T10083] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  410.444242][T10085] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  410.446924][T10085] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  410.450070][T10083] syz.2.958: attempt to access beyond end of device
[  410.450070][T10083] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  410.476143][ T6025] syz-executor: attempt to access beyond end of device
[  410.476143][ T6025] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  410.521069][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  410.521091][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  410.521100][ T6025] Call Trace:
[  410.521107][ T6025]  <TASK>
[  410.521112][ T6025]  dump_stack_lvl+0xe8/0x150
[  410.521134][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  410.521157][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  410.521185][ T6025]  __submit_merged_bio+0x258/0x6a0
[  410.521201][ T6025]  ? rcu_is_watching+0x15/0xb0
[  410.521218][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  410.521242][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  410.521276][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  410.521289][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  410.521359][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  410.521404][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  410.521414][ T6025]  ? __bfs+0x153/0x290
[  410.521428][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  410.521450][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  410.521464][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  410.521498][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  410.521511][ T6025]  do_writepages+0x338/0x560
[  410.521536][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  410.521553][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  410.521573][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  410.521622][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  410.521639][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  410.521664][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  410.521697][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  410.521771][ T6025]  kill_f2fs_super+0x2dd/0x700
[  410.521794][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  410.521817][ T6025]  ? call_rcu+0x64b/0x8b0
[  410.521829][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  410.521856][ T6025]  deactivate_locked_super+0xbc/0x110
[  410.521877][ T6025]  cleanup_mnt+0x3d3/0x460
[  410.521894][ T6025]  task_work_run+0x1d9/0x270
[  410.521909][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  410.521935][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  410.521952][ T6025]  ? rcu_is_watching+0x15/0xb0
[  410.521964][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.521977][ T6025]  do_syscall_64+0x353/0x580
[  410.521992][ T6025]  ? trace_irq_disable+0x3b/0x140
[  410.522012][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.522025][ T6025] RIP: 0033:0x7f99c779f257
[  410.522038][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  410.522048][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  410.522063][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  410.522070][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  410.522076][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  410.522083][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  410.522091][ T6025] R13: 00007f99c783445c R14: 00000000000642e2 R15: 00007ffc6876e7b0
[  410.522113][ T6025]  </TASK>
[  410.527933][T10085] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  410.639468][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  410.717119][T10085] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  410.721250][T10085] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  410.731896][   T34] audit: type=1800 audit(1785602849.722:1884): pid=10085 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.957" name="file1" dev="loop0" ino=10 res=0 errno=0
[  410.751726][   T34] audit: type=1800 audit(1785602849.742:1885): pid=10085 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.957" name="file1" dev="loop0" ino=10 res=0 errno=0
[  410.761716][T10085] syz.0.957: attempt to access beyond end of device
[  410.761716][T10085] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  410.785136][T10085] syz.0.957: attempt to access beyond end of device
[  410.785136][T10085] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  410.809673][ T6024] syz-executor: attempt to access beyond end of device
[  410.809673][ T6024] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  410.829820][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  410.829840][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  410.829848][ T6024] Call Trace:
[  410.829854][ T6024]  <TASK>
[  410.829860][ T6024]  dump_stack_lvl+0xe8/0x150
[  410.829885][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  410.829908][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  410.829937][ T6024]  __submit_merged_bio+0x258/0x6a0
[  410.829954][ T6024]  ? rcu_is_watching+0x15/0xb0
[  410.829971][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  410.829996][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  410.830031][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  410.830044][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  410.830084][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  410.830131][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  410.830142][ T6024]  ? __bfs+0x153/0x290
[  410.830158][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  410.830183][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  410.830197][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  410.830233][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  410.830247][ T6024]  do_writepages+0x338/0x560
[  410.830271][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  410.830288][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  410.830344][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  410.830414][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  410.830434][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  410.830460][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  410.830499][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  410.830558][ T6024]  kill_f2fs_super+0x2dd/0x700
[  410.830577][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  410.830596][ T6024]  ? call_rcu+0x64b/0x8b0
[  410.830609][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  410.830632][ T6024]  deactivate_locked_super+0xbc/0x110
[  410.830650][ T6024]  cleanup_mnt+0x3d3/0x460
[  410.830664][ T6024]  task_work_run+0x1d9/0x270
[  410.830677][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  410.830696][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  410.830710][ T6024]  ? rcu_is_watching+0x15/0xb0
[  410.830721][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.830733][ T6024]  do_syscall_64+0x353/0x580
[  410.830746][ T6024]  ? trace_irq_disable+0x3b/0x140
[  410.830765][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.830777][ T6024] RIP: 0033:0x7f7f7319f257
[  410.830791][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  410.830800][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  410.830814][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  410.830822][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  410.830831][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  410.830839][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  410.830847][ T6024] R13: 00007f7f7323445c R14: 0000000000064439 R15: 00007ffd320a10d0
[  410.830867][ T6024]  </TASK>
[  410.862936][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  410.981221][T10093] loop1: detected capacity change from 0 to 40427
[  410.999767][T10093] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  411.011368][T10093] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  411.098790][T10093] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  411.105948][T10093] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  411.109019][T10093] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  411.115383][   T34] audit: type=1800 audit(1785602850.112:1886): pid=10093 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.959" name="file1" dev="loop1" ino=10 res=0 errno=0
[  411.123005][T10093] syz.1.959: attempt to access beyond end of device
[  411.123005][T10093] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  411.131074][T10093] syz.1.959: attempt to access beyond end of device
[  411.131074][T10093] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  411.139988][   T34] audit: type=1800 audit(1785602850.112:1887): pid=10093 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.959" name="file1" dev="loop1" ino=10 res=0 errno=0
[  411.153271][ T6026] syz-executor: attempt to access beyond end of device
[  411.153271][ T6026] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  411.174079][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  411.174099][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  411.174107][ T6026] Call Trace:
[  411.174113][ T6026]  <TASK>
[  411.174118][ T6026]  dump_stack_lvl+0xe8/0x150
[  411.174169][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  411.174189][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  411.174215][ T6026]  __submit_merged_bio+0x258/0x6a0
[  411.174230][ T6026]  ? rcu_is_watching+0x15/0xb0
[  411.174245][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  411.174267][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  411.174327][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  411.174340][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  411.174377][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  411.174415][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  411.174425][ T6026]  ? __bfs+0x153/0x290
[  411.174438][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  411.174459][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  411.174471][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  411.174501][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  411.174512][ T6026]  do_writepages+0x338/0x560
[  411.174535][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  411.174558][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  411.174576][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  411.174619][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  411.174635][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  411.174657][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  411.174690][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  411.174737][ T6026]  kill_f2fs_super+0x2dd/0x700
[  411.174755][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  411.174774][ T6026]  ? call_rcu+0x64b/0x8b0
[  411.174785][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  411.174808][ T6026]  deactivate_locked_super+0xbc/0x110
[  411.174826][ T6026]  cleanup_mnt+0x3d3/0x460
[  411.174840][ T6026]  task_work_run+0x1d9/0x270
[  411.174853][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  411.174870][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  411.174885][ T6026]  ? rcu_is_watching+0x15/0xb0
[  411.174896][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.174909][ T6026]  do_syscall_64+0x353/0x580
[  411.174922][ T6026]  ? trace_irq_disable+0x3b/0x140
[  411.174940][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.174951][ T6026] RIP: 0033:0x7fecc479f257
[  411.174963][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  411.174973][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  411.174987][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  411.174995][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  411.175002][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  411.175010][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  411.175017][ T6026] R13: 00007fecc483445c R14: 000000000006458a R15: 00007ffecf29a7f0
[  411.175037][ T6026]  </TASK>
[  411.176357][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  411.263371][T10095] loop2: detected capacity change from 0 to 40427
[  411.318706][T10095] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  411.328396][T10095] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  411.446594][T10095] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  411.467706][T10095] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  411.472781][T10095] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  411.484813][   T34] audit: type=1800 audit(1785602850.482:1888): pid=10095 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.960" name="file1" dev="loop2" ino=10 res=0 errno=0
[  411.499934][T10095] syz.2.960: attempt to access beyond end of device
[  411.499934][T10095] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  411.506409][   T34] audit: type=1800 audit(1785602850.492:1889): pid=10095 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.960" name="file1" dev="loop2" ino=10 res=0 errno=0
[  411.526942][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  411.526968][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  411.526978][ T6025] Call Trace:
[  411.526985][ T6025]  <TASK>
[  411.526991][ T6025]  dump_stack_lvl+0xe8/0x150
[  411.527019][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  411.527043][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  411.527071][ T6025]  __submit_merged_bio+0x258/0x6a0
[  411.527088][ T6025]  ? rcu_is_watching+0x15/0xb0
[  411.527106][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  411.527131][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  411.527164][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  411.527178][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  411.527217][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  411.527262][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  411.527275][ T6025]  ? __bfs+0x153/0x290
[  411.527320][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  411.527346][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  411.527360][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  411.527395][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  411.527408][ T6025]  do_writepages+0x338/0x560
[  411.527434][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  411.527453][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  411.527474][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  411.527521][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  411.527540][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  411.527564][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  411.527602][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  411.527676][ T6025]  kill_f2fs_super+0x2dd/0x700
[  411.527698][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  411.527721][ T6025]  ? call_rcu+0x64b/0x8b0
[  411.527734][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  411.527760][ T6025]  deactivate_locked_super+0xbc/0x110
[  411.527782][ T6025]  cleanup_mnt+0x3d3/0x460
[  411.527801][ T6025]  task_work_run+0x1d9/0x270
[  411.527817][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  411.527837][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  411.527855][ T6025]  ? rcu_is_watching+0x15/0xb0
[  411.527869][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.527883][ T6025]  do_syscall_64+0x353/0x580
[  411.527899][ T6025]  ? trace_irq_disable+0x3b/0x140
[  411.527921][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.527934][ T6025] RIP: 0033:0x7f99c779f257
[  411.527949][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  411.527960][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  411.527976][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  411.527984][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  411.527991][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  411.528001][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  411.528008][ T6025] R13: 00007f99c783445c R14: 0000000000064701 R15: 00007ffc6876e7b0
[  411.528029][ T6025]  </TASK>
[  411.595589][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  411.654141][T10099] loop0: detected capacity change from 0 to 40427
[  411.672909][T10099] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  411.677113][T10099] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  411.798687][T10099] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  411.839395][T10103] loop1: detected capacity change from 0 to 40427
[  411.839875][T10099] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  411.844264][T10103] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  411.857742][T10099] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  411.876351][   T34] audit: type=1800 audit(1785602850.862:1890): pid=10099 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.961" name="file1" dev="loop0" ino=10 res=0 errno=0
[  411.889268][T10103] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  411.900168][   T34] audit: type=1800 audit(1785602850.862:1891): pid=10099 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.961" name="file1" dev="loop0" ino=10 res=0 errno=0
[  411.954979][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  411.955007][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  411.955017][ T6024] Call Trace:
[  411.955024][ T6024]  <TASK>
[  411.955032][ T6024]  dump_stack_lvl+0xe8/0x150
[  411.955060][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  411.955084][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  411.955113][ T6024]  __submit_merged_bio+0x258/0x6a0
[  411.955131][ T6024]  ? rcu_is_watching+0x15/0xb0
[  411.955148][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  411.955171][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  411.955201][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  411.955216][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  411.955253][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  411.955322][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  411.955337][ T6024]  ? __bfs+0x153/0x290
[  411.955351][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  411.955375][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  411.955389][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  411.955423][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  411.955438][ T6024]  do_writepages+0x338/0x560
[  411.955465][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  411.955483][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  411.955505][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  411.955554][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  411.955571][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  411.955614][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  411.955654][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  411.955696][ T6024]  kill_f2fs_super+0x2dd/0x700
[  411.955713][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  411.955733][ T6024]  ? call_rcu+0x64b/0x8b0
[  411.955745][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  411.955771][ T6024]  deactivate_locked_super+0xbc/0x110
[  411.955794][ T6024]  cleanup_mnt+0x3d3/0x460
[  411.955812][ T6024]  task_work_run+0x1d9/0x270
[  411.955829][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  411.955848][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  411.955865][ T6024]  ? rcu_is_watching+0x15/0xb0
[  411.955880][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.955892][ T6024]  do_syscall_64+0x353/0x580
[  411.955905][ T6024]  ? trace_irq_disable+0x3b/0x140
[  411.955926][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.955940][ T6024] RIP: 0033:0x7f7f7319f257
[  411.955955][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  411.955964][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  411.955984][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  411.955992][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  411.956001][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  411.956009][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  411.956016][ T6024] R13: 00007f7f7323445c R14: 0000000000064891 R15: 00007ffd320a10d0
[  411.956035][ T6024]  </TASK>
[  411.957064][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  411.981510][T10103] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  412.093035][T10103] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  412.095796][T10103] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  412.134397][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  412.134426][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  412.134437][ T6026] Call Trace:
[  412.134464][ T6026]  <TASK>
[  412.134471][ T6026]  dump_stack_lvl+0xe8/0x150
[  412.134501][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  412.134529][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  412.134558][ T6026]  __submit_merged_bio+0x258/0x6a0
[  412.134578][ T6026]  ? rcu_is_watching+0x15/0xb0
[  412.134598][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  412.134623][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  412.134658][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  412.134673][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  412.134718][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  412.134762][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  412.134775][ T6026]  ? __bfs+0x153/0x290
[  412.134793][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  412.134818][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  412.134834][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  412.134870][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  412.134887][ T6026]  do_writepages+0x338/0x560
[  412.134916][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  412.134935][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  412.134959][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
2026/08/01 16:47:31 executed programs: 954
[  412.135008][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  412.135027][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  412.135052][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  412.135090][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  412.135136][ T6026]  kill_f2fs_super+0x2dd/0x700
[  412.135160][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  412.135182][ T6026]  ? call_rcu+0x64b/0x8b0
[  412.135198][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  412.135227][ T6026]  deactivate_locked_super+0xbc/0x110
[  412.135252][ T6026]  cleanup_mnt+0x3d3/0x460
[  412.135272][ T6026]  task_work_run+0x1d9/0x270
[  412.135324][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  412.135345][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  412.135365][ T6026]  ? rcu_is_watching+0x15/0xb0
[  412.135377][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.135394][ T6026]  do_syscall_64+0x353/0x580
[  412.135410][ T6026]  ? trace_irq_disable+0x3b/0x140
[  412.135432][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.135448][ T6026] RIP: 0033:0x7fecc479f257
[  412.135464][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  412.135476][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  412.135495][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  412.135504][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  412.135511][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  412.135522][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  412.135530][ T6026] R13: 00007fecc483445c R14: 0000000000064954 R15: 00007ffecf29a7f0
[  412.135551][ T6026]  </TASK>
[  412.135558][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  412.348821][T10109] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  412.362089][T10109] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  412.422465][T10109] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  412.436464][T10109] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  412.439967][T10109] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  412.490545][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  412.490567][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  412.490575][ T6025] Call Trace:
[  412.490581][ T6025]  <TASK>
[  412.490587][ T6025]  dump_stack_lvl+0xe8/0x150
[  412.490609][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  412.490630][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  412.490654][ T6025]  __submit_merged_bio+0x258/0x6a0
[  412.490669][ T6025]  ? rcu_is_watching+0x15/0xb0
[  412.490684][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  412.490703][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  412.490731][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  412.490743][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  412.490779][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  412.490816][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  412.490828][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  412.490836][ T6025]  ? __bfs+0x153/0x290
[  412.490845][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  412.490858][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  412.490866][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  412.490884][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  412.490892][ T6025]  do_writepages+0x338/0x560
[  412.490906][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  412.490916][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  412.490928][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  412.490953][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  412.490968][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  412.490981][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  412.491000][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  412.491026][ T6025]  kill_f2fs_super+0x2dd/0x700
[  412.491037][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  412.491048][ T6025]  ? call_rcu+0x64b/0x8b0
[  412.491055][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  412.491069][ T6025]  deactivate_locked_super+0xbc/0x110
[  412.491082][ T6025]  cleanup_mnt+0x3d3/0x460
[  412.491091][ T6025]  task_work_run+0x1d9/0x270
[  412.491100][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  412.491110][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  412.491120][ T6025]  ? rcu_is_watching+0x15/0xb0
[  412.491127][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.491135][ T6025]  do_syscall_64+0x353/0x580
[  412.491144][ T6025]  ? trace_irq_disable+0x3b/0x140
[  412.491155][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.491162][ T6025] RIP: 0033:0x7f99c779f257
[  412.491172][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  412.491178][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  412.491188][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  412.491193][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  412.491197][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  412.491202][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  412.491207][ T6025] R13: 00007f99c783445c R14: 0000000000064ac1 R15: 00007ffc6876e7b0
[  412.491219][ T6025]  </TASK>
[  412.491223][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  412.850231][T10113] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  412.870363][T10113] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  412.973406][T10113] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  412.984118][T10113] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  412.987474][T10113] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  413.024366][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  413.024385][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  413.024392][ T6024] Call Trace:
[  413.024398][ T6024]  <TASK>
[  413.024403][ T6024]  dump_stack_lvl+0xe8/0x150
[  413.024428][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  413.024447][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  413.024472][ T6024]  __submit_merged_bio+0x258/0x6a0
[  413.024487][ T6024]  ? rcu_is_watching+0x15/0xb0
[  413.024500][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  413.024519][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  413.024546][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  413.024558][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  413.024595][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.024635][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  413.024647][ T6024]  ? __bfs+0x153/0x290
[  413.024661][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  413.024683][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  413.024719][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  413.024753][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.024766][ T6024]  do_writepages+0x338/0x560
[  413.024790][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  413.024808][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  413.024833][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  413.024876][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  413.024892][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  413.024915][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  413.024950][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  413.024997][ T6024]  kill_f2fs_super+0x2dd/0x700
[  413.025016][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  413.025036][ T6024]  ? call_rcu+0x64b/0x8b0
[  413.025047][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  413.025071][ T6024]  deactivate_locked_super+0xbc/0x110
[  413.025091][ T6024]  cleanup_mnt+0x3d3/0x460
[  413.025108][ T6024]  task_work_run+0x1d9/0x270
[  413.025123][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  413.025141][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  413.025157][ T6024]  ? rcu_is_watching+0x15/0xb0
[  413.025170][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.025183][ T6024]  do_syscall_64+0x353/0x580
[  413.025198][ T6024]  ? trace_irq_disable+0x3b/0x140
[  413.025217][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.025229][ T6024] RIP: 0033:0x7f7f7319f257
[  413.025244][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  413.025254][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  413.025269][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  413.025308][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  413.025316][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  413.025325][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  413.025332][ T6024] R13: 00007f7f7323445c R14: 0000000000064cd4 R15: 00007ffd320a10d0
[  413.025353][ T6024]  </TASK>
[  413.025418][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  413.099165][T10115] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  413.203210][T10115] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  413.311356][T10115] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  413.318373][T10117] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  413.325157][T10117] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  413.369515][T10115] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  413.377334][T10115] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  413.399408][T10117] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  413.423334][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  413.423357][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  413.423373][ T6026] Call Trace:
[  413.423379][ T6026]  <TASK>
[  413.423385][ T6026]  dump_stack_lvl+0xe8/0x150
[  413.423410][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  413.423432][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  413.423460][ T6026]  __submit_merged_bio+0x258/0x6a0
[  413.423478][ T6026]  ? rcu_is_watching+0x15/0xb0
[  413.423494][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  413.423518][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  413.423550][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  413.423586][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.423627][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  413.423638][ T6026]  ? __bfs+0x153/0x290
[  413.423654][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  413.423678][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  413.423692][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  413.423726][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.423739][ T6026]  do_writepages+0x338/0x560
[  413.423761][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  413.423775][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  413.423794][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  413.423838][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  413.423855][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  413.423877][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  413.423912][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  413.423961][ T6026]  kill_f2fs_super+0x2dd/0x700
[  413.424003][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  413.424025][ T6026]  ? call_rcu+0x64b/0x8b0
[  413.424036][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  413.424062][ T6026]  deactivate_locked_super+0xbc/0x110
[  413.424082][ T6026]  cleanup_mnt+0x3d3/0x460
[  413.424099][ T6026]  task_work_run+0x1d9/0x270
[  413.424114][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  413.424133][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  413.424149][ T6026]  ? rcu_is_watching+0x15/0xb0
[  413.424162][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.424175][ T6026]  do_syscall_64+0x353/0x580
[  413.424191][ T6026]  ? trace_irq_disable+0x3b/0x140
[  413.424211][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.424224][ T6026] RIP: 0033:0x7fecc479f257
[  413.424237][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  413.424248][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  413.424263][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  413.424272][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  413.424307][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  413.424316][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  413.424323][ T6026] R13: 00007fecc483445c R14: 0000000000064e69 R15: 00007ffecf29a7f0
[  413.424345][ T6026]  </TASK>
[  413.424395][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  413.546165][T10117] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  413.549099][T10117] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  413.575566][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  413.575594][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  413.575602][ T6025] Call Trace:
[  413.575609][ T6025]  <TASK>
[  413.575616][ T6025]  dump_stack_lvl+0xe8/0x150
[  413.575642][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  413.575666][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  413.575694][ T6025]  __submit_merged_bio+0x258/0x6a0
[  413.575713][ T6025]  ? rcu_is_watching+0x15/0xb0
[  413.575729][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  413.575754][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  413.575787][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  413.575823][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.575886][ T6025]  ? raw_spin_rq_lock_nested+0x2d/0x160
[  413.575905][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  413.575917][ T6025]  ? __bfs+0x153/0x290
[  413.575933][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  413.575956][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  413.575970][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  413.576004][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.576018][ T6025]  do_writepages+0x338/0x560
[  413.576044][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  413.576061][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  413.576082][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  413.576135][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  413.576152][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  413.576175][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  413.576211][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  413.576259][ T6025]  kill_f2fs_super+0x2dd/0x700
[  413.576307][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  413.576330][ T6025]  ? call_rcu+0x64b/0x8b0
[  413.576342][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  413.576369][ T6025]  deactivate_locked_super+0xbc/0x110
[  413.576390][ T6025]  cleanup_mnt+0x3d3/0x460
[  413.576408][ T6025]  task_work_run+0x1d9/0x270
[  413.576423][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  413.576442][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  413.576460][ T6025]  ? rcu_is_watching+0x15/0xb0
[  413.576473][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.576487][ T6025]  do_syscall_64+0x353/0x580
[  413.576504][ T6025]  ? trace_irq_disable+0x3b/0x140
[  413.576524][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.576537][ T6025] RIP: 0033:0x7f99c779f257
[  413.576550][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  413.576592][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  413.576608][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  413.576616][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  413.576624][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  413.576633][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  413.576641][ T6025] R13: 00007f99c783445c R14: 0000000000064eff R15: 00007ffc6876e7b0
[  413.576662][ T6025]  </TASK>
[  413.583104][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  413.723552][T10125] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  413.746043][T10125] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  413.865839][T10125] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  413.886042][T10125] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  413.893307][T10125] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  413.934976][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  413.935003][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  413.935013][ T6024] Call Trace:
[  413.935020][ T6024]  <TASK>
[  413.935027][ T6024]  dump_stack_lvl+0xe8/0x150
[  413.935055][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  413.935081][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  413.935110][ T6024]  __submit_merged_bio+0x258/0x6a0
[  413.935129][ T6024]  ? rcu_is_watching+0x15/0xb0
[  413.935147][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  413.935171][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  413.935206][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  413.935244][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.935257][ T6024]  ? is_bpf_text_address+0x26/0x2b0
[  413.935316][ T6024]  ? is_bpf_text_address+0x26/0x2b0
[  413.935356][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  413.935368][ T6024]  ? __bfs+0x153/0x290
[  413.935385][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  413.935411][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  413.935425][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  413.935462][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  413.935476][ T6024]  do_writepages+0x338/0x560
[  413.935504][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  413.935522][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  413.935545][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  413.935618][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  413.935636][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  413.935667][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  413.935705][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  413.935756][ T6024]  kill_f2fs_super+0x2dd/0x700
[  413.935778][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  413.935801][ T6024]  ? call_rcu+0x64b/0x8b0
[  413.935814][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  413.935841][ T6024]  deactivate_locked_super+0xbc/0x110
[  413.935864][ T6024]  cleanup_mnt+0x3d3/0x460
[  413.935883][ T6024]  task_work_run+0x1d9/0x270
[  413.935899][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  413.935920][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  413.935938][ T6024]  ? rcu_is_watching+0x15/0xb0
[  413.935952][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.935967][ T6024]  do_syscall_64+0x353/0x580
[  413.935983][ T6024]  ? trace_irq_disable+0x3b/0x140
[  413.936005][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.936019][ T6024] RIP: 0033:0x7f7f7319f257
[  413.936034][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  413.936047][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  413.936064][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  413.936073][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  413.936081][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  413.936090][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  413.936099][ T6024] R13: 00007f7f7323445c R14: 000000000006505d R15: 00007ffd320a10d0
[  413.936121][ T6024]  </TASK>
[  413.937218][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  414.396768][T10129] set_capacity_and_notify: 5 callbacks suppressed
[  414.396785][T10129] loop2: detected capacity change from 0 to 40427
[  414.408346][T10129] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  414.418787][T10129] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  414.509773][T10131] loop1: detected capacity change from 0 to 40427
[  414.525785][T10131] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  414.532651][T10131] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  414.558889][T10129] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  414.575773][T10129] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  414.583924][T10129] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  414.631434][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  414.631459][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  414.631467][ T6025] Call Trace:
[  414.631473][ T6025]  <TASK>
[  414.631509][ T6025]  dump_stack_lvl+0xe8/0x150
[  414.631535][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  414.631555][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  414.631580][ T6025]  __submit_merged_bio+0x258/0x6a0
[  414.631596][ T6025]  ? rcu_is_watching+0x15/0xb0
[  414.631610][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  414.631609][T10131] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  414.631633][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  414.631666][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  414.631678][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  414.631716][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  414.631753][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  414.631763][ T6025]  ? __bfs+0x153/0x290
[  414.631776][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  414.631798][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  414.631809][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  414.631838][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  414.631849][ T6025]  do_writepages+0x338/0x560
[  414.631872][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  414.631887][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  414.631905][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  414.631945][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  414.631959][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  414.631981][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  414.632013][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  414.632056][ T6025]  kill_f2fs_super+0x2dd/0x700
[  414.632074][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  414.632092][ T6025]  ? call_rcu+0x64b/0x8b0
[  414.632103][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  414.632140][ T6025]  deactivate_locked_super+0xbc/0x110
[  414.632160][ T6025]  cleanup_mnt+0x3d3/0x460
[  414.632176][ T6025]  task_work_run+0x1d9/0x270
[  414.632188][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  414.632204][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  414.632220][ T6025]  ? rcu_is_watching+0x15/0xb0
[  414.632231][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.632245][ T6025]  do_syscall_64+0x353/0x580
[  414.632259][ T6025]  ? trace_irq_disable+0x3b/0x140
[  414.632308][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.632320][ T6025] RIP: 0033:0x7f99c779f257
[  414.632335][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  414.632344][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  414.632358][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  414.632366][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  414.632374][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  414.632382][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  414.632390][ T6025] R13: 00007f99c783445c R14: 000000000006531f R15: 00007ffc6876e7b0
[  414.632412][ T6025]  </TASK>
[  414.635511][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  414.650266][T10131] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  414.764823][T10131] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  414.765099][T10133] loop0: detected capacity change from 0 to 40427
[  414.791689][T10133] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  414.797487][T10133] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  414.809684][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  414.809710][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  414.809717][ T6026] Call Trace:
[  414.809725][ T6026]  <TASK>
[  414.809731][ T6026]  dump_stack_lvl+0xe8/0x150
[  414.809759][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  414.809781][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  414.809812][ T6026]  __submit_merged_bio+0x258/0x6a0
[  414.809830][ T6026]  ? rcu_is_watching+0x15/0xb0
[  414.809849][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  414.809876][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  414.809913][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  414.809926][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  414.809973][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  414.810022][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  414.810034][ T6026]  ? __bfs+0x153/0x290
[  414.810051][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  414.810076][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  414.810092][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  414.810127][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  414.810142][ T6026]  do_writepages+0x338/0x560
[  414.810169][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  414.810186][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  414.810210][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  414.810259][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  414.810309][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  414.810334][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  414.810373][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  414.810444][ T6026]  kill_f2fs_super+0x2dd/0x700
[  414.810468][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  414.810490][ T6026]  ? call_rcu+0x64b/0x8b0
[  414.810502][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  414.810531][ T6026]  deactivate_locked_super+0xbc/0x110
[  414.810553][ T6026]  cleanup_mnt+0x3d3/0x460
[  414.810577][ T6026]  task_work_run+0x1d9/0x270
[  414.810591][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  414.810610][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  414.810629][ T6026]  ? rcu_is_watching+0x15/0xb0
[  414.810642][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.810657][ T6026]  do_syscall_64+0x353/0x580
[  414.810674][ T6026]  ? trace_irq_disable+0x3b/0x140
[  414.810696][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.810709][ T6026] RIP: 0033:0x7fecc479f257
[  414.810725][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  414.810737][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  414.810754][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  414.810763][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  414.810771][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  414.810780][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  414.810789][ T6026] R13: 00007fecc483445c R14: 00000000000653b8 R15: 00007ffecf29a7f0
[  414.810812][ T6026]  </TASK>
[  414.812444][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  414.999506][T10133] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  415.007995][T10133] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  415.010916][T10133] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  415.100619][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  415.100640][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  415.100649][ T6024] Call Trace:
[  415.100657][ T6024]  <TASK>
[  415.100663][ T6024]  dump_stack_lvl+0xe8/0x150
[  415.100686][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  415.100705][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  415.100730][ T6024]  __submit_merged_bio+0x258/0x6a0
[  415.100746][ T6024]  ? rcu_is_watching+0x15/0xb0
[  415.100760][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  415.100783][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  415.100814][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  415.100827][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  415.100860][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  415.100896][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  415.100907][ T6024]  ? __bfs+0x153/0x290
[  415.100921][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  415.100942][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  415.100954][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  415.100984][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  415.100996][ T6024]  do_writepages+0x338/0x560
[  415.101021][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  415.101037][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  415.101058][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  415.101102][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  415.101119][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  415.101143][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  415.101179][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  415.101225][ T6024]  kill_f2fs_super+0x2dd/0x700
[  415.101245][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  415.101295][ T6024]  ? call_rcu+0x64b/0x8b0
[  415.101308][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  415.101332][ T6024]  deactivate_locked_super+0xbc/0x110
[  415.101352][ T6024]  cleanup_mnt+0x3d3/0x460
[  415.101397][ T6024]  task_work_run+0x1d9/0x270
[  415.101413][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  415.101432][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  415.101449][ T6024]  ? rcu_is_watching+0x15/0xb0
[  415.101460][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.101470][ T6024]  do_syscall_64+0x353/0x580
[  415.101484][ T6024]  ? trace_irq_disable+0x3b/0x140
[  415.101500][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.101512][ T6024] RIP: 0033:0x7f7f7319f257
[  415.101526][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  415.101536][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  415.101550][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  415.101559][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  415.101567][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  415.101575][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  415.101583][ T6024] R13: 00007f7f7323445c R14: 00000000000654f4 R15: 00007ffd320a10d0
[  415.101604][ T6024]  </TASK>
[  415.115617][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  415.350550][T10141] loop2: detected capacity change from 0 to 40427
[  415.361066][T10141] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  415.375030][T10141] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  415.455828][T10141] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  415.466519][T10141] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  415.470389][T10141] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  415.476462][   T34] kauditd_printk_skb: 18 callbacks suppressed
[  415.476473][   T34] audit: type=1800 audit(1785602854.472:1910): pid=10141 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.971" name="file1" dev="loop2" ino=10 res=0 errno=0
[  415.488964][   T34] audit: type=1800 audit(1785602854.482:1911): pid=10141 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.971" name="file1" dev="loop2" ino=10 res=0 errno=0
[  415.507002][T10141] bio_check_eod: 32 callbacks suppressed
[  415.507019][T10141] syz.2.971: attempt to access beyond end of device
[  415.507019][T10141] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  415.518710][T10141] syz.2.971: attempt to access beyond end of device
[  415.518710][T10141] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  415.533213][ T6025] syz-executor: attempt to access beyond end of device
[  415.533213][ T6025] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  415.545645][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  415.545669][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  415.545678][ T6025] Call Trace:
[  415.545686][ T6025]  <TASK>
[  415.545693][ T6025]  dump_stack_lvl+0xe8/0x150
[  415.545748][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  415.545775][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  415.545805][ T6025]  __submit_merged_bio+0x258/0x6a0
[  415.545824][ T6025]  ? rcu_is_watching+0x15/0xb0
[  415.545843][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  415.545868][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  415.545904][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  415.545918][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  415.545962][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  415.546009][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  415.546022][ T6025]  ? __bfs+0x153/0x290
[  415.546038][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  415.546064][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  415.546078][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  415.546114][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  415.546127][ T6025]  do_writepages+0x338/0x560
[  415.546152][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  415.546171][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  415.546193][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  415.546245][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  415.546293][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  415.546320][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  415.546359][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  415.546413][ T6025]  kill_f2fs_super+0x2dd/0x700
[  415.546435][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  415.546459][ T6025]  ? call_rcu+0x64b/0x8b0
[  415.546472][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  415.546500][ T6025]  deactivate_locked_super+0xbc/0x110
[  415.546523][ T6025]  cleanup_mnt+0x3d3/0x460
[  415.546543][ T6025]  task_work_run+0x1d9/0x270
[  415.546560][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  415.546587][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  415.546605][ T6025]  ? rcu_is_watching+0x15/0xb0
[  415.546619][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.546634][ T6025]  do_syscall_64+0x353/0x580
[  415.546651][ T6025]  ? trace_irq_disable+0x3b/0x140
[  415.546673][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.546687][ T6025] RIP: 0033:0x7f99c779f257
[  415.546702][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  415.546714][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  415.546729][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  415.546739][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  415.546747][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  415.546756][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  415.546764][ T6025] R13: 00007f99c783445c R14: 00000000000656a7 R15: 00007ffc6876e7b0
[  415.546787][ T6025]  </TASK>
[  415.547727][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  415.637873][T10143] loop1: detected capacity change from 0 to 40427
[  415.703407][T10143] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  415.705949][T10143] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  415.786167][T10143] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  415.801066][T10143] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  415.805058][T10143] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  415.810331][   T34] audit: type=1800 audit(1785602854.802:1912): pid=10143 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.972" name="file1" dev="loop1" ino=10 res=0 errno=0
[  415.833225][T10143] syz.1.972: attempt to access beyond end of device
[  415.833225][T10143] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  415.840635][   T34] audit: type=1800 audit(1785602854.812:1913): pid=10143 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.972" name="file1" dev="loop1" ino=10 res=0 errno=0
[  415.855951][T10143] syz.1.972: attempt to access beyond end of device
[  415.855951][T10143] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  415.879956][ T6026] syz-executor: attempt to access beyond end of device
[  415.879956][ T6026] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  415.895195][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  415.895217][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  415.895225][ T6026] Call Trace:
[  415.895232][ T6026]  <TASK>
[  415.895239][ T6026]  dump_stack_lvl+0xe8/0x150
[  415.895298][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  415.895331][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  415.895359][ T6026]  __submit_merged_bio+0x258/0x6a0
[  415.895376][ T6026]  ? rcu_is_watching+0x15/0xb0
[  415.895394][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  415.895419][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  415.895454][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  415.895467][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  415.895510][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  415.895556][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  415.895567][ T6026]  ? __bfs+0x153/0x290
[  415.895583][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  415.895608][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  415.895644][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  415.895681][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  415.895695][ T6026]  do_writepages+0x338/0x560
[  415.895721][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  415.895739][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  415.895767][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  415.895813][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  415.895829][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  415.895852][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  415.895890][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  415.895944][ T6026]  kill_f2fs_super+0x2dd/0x700
[  415.895965][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  415.895987][ T6026]  ? call_rcu+0x64b/0x8b0
[  415.895999][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  415.896027][ T6026]  deactivate_locked_super+0xbc/0x110
[  415.896048][ T6026]  cleanup_mnt+0x3d3/0x460
[  415.896066][ T6026]  task_work_run+0x1d9/0x270
[  415.896081][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  415.896101][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  415.896117][ T6026]  ? rcu_is_watching+0x15/0xb0
[  415.896129][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.896143][ T6026]  do_syscall_64+0x353/0x580
[  415.896158][ T6026]  ? trace_irq_disable+0x3b/0x140
[  415.896179][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.896191][ T6026] RIP: 0033:0x7fecc479f257
[  415.896205][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  415.896216][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  415.896231][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  415.896240][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  415.896247][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  415.896256][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  415.896290][ T6026] R13: 00007fecc483445c R14: 0000000000065807 R15: 00007ffecf29a7f0
[  415.896314][ T6026]  </TASK>
[  415.896576][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  416.133123][T10147] loop0: detected capacity change from 0 to 40427
[  416.149226][T10147] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  416.160455][T10147] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  416.263097][T10147] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  416.279045][T10147] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  416.287755][T10147] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  416.296978][   T34] audit: type=1800 audit(1785602855.292:1914): pid=10147 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.973" name="file1" dev="loop0" ino=10 res=0 errno=0
[  416.311601][T10147] syz.0.973: attempt to access beyond end of device
[  416.311601][T10147] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  416.312646][   T34] audit: type=1800 audit(1785602855.292:1915): pid=10147 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.973" name="file1" dev="loop0" ino=10 res=0 errno=0
[  416.333664][T10147] syz.0.973: attempt to access beyond end of device
[  416.333664][T10147] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  416.359494][ T6024] syz-executor: attempt to access beyond end of device
[  416.359494][ T6024] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  416.365910][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  416.365930][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  416.365938][ T6024] Call Trace:
[  416.365944][ T6024]  <TASK>
[  416.365952][ T6024]  dump_stack_lvl+0xe8/0x150
[  416.365975][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  416.365997][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  416.366025][ T6024]  __submit_merged_bio+0x258/0x6a0
[  416.366042][ T6024]  ? rcu_is_watching+0x15/0xb0
[  416.366059][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  416.366081][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  416.366111][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  416.366118][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  416.366141][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  416.366165][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  416.366172][ T6024]  ? __bfs+0x153/0x290
[  416.366181][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  416.366195][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  416.366202][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  416.366222][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  416.366229][ T6024]  do_writepages+0x338/0x560
[  416.366244][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  416.366254][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  416.366301][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  416.366333][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  416.366343][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  416.366357][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  416.366379][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  416.366407][ T6024]  kill_f2fs_super+0x2dd/0x700
[  416.366418][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  416.366431][ T6024]  ? call_rcu+0x64b/0x8b0
[  416.366437][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  416.366454][ T6024]  deactivate_locked_super+0xbc/0x110
[  416.366465][ T6024]  cleanup_mnt+0x3d3/0x460
[  416.366476][ T6024]  task_work_run+0x1d9/0x270
[  416.366484][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  416.366495][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  416.366509][ T6024]  ? rcu_is_watching+0x15/0xb0
[  416.366516][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  416.366524][ T6024]  do_syscall_64+0x353/0x580
[  416.366533][ T6024]  ? trace_irq_disable+0x3b/0x140
[  416.366545][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  416.366552][ T6024] RIP: 0033:0x7f7f7319f257
[  416.366562][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  416.366568][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  416.366577][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  416.366583][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  416.366587][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  416.366592][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  416.366597][ T6024] R13: 00007f7f7323445c R14: 00000000000659e9 R15: 00007ffd320a10d0
[  416.366609][ T6024]  </TASK>
[  416.366613][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  416.470781][T10151] loop2: detected capacity change from 0 to 40427
[  416.517797][T10151] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  416.524588][T10151] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  416.635724][T10151] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  416.653228][T10151] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  416.656403][T10151] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  416.665980][   T34] audit: type=1800 audit(1785602855.662:1916): pid=10151 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.974" name="file1" dev="loop2" ino=10 res=0 errno=0
[  416.687438][   T34] audit: type=1800 audit(1785602855.682:1917): pid=10151 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.974" name="file1" dev="loop2" ino=10 res=0 errno=0
[  416.698051][T10151] syz.2.974: attempt to access beyond end of device
[  416.698051][T10151] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  416.729778][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  416.729805][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  416.729814][ T6025] Call Trace:
[  416.729847][ T6025]  <TASK>
[  416.729856][ T6025]  dump_stack_lvl+0xe8/0x150
[  416.729882][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  416.729905][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  416.729931][ T6025]  __submit_merged_bio+0x258/0x6a0
[  416.729947][ T6025]  ? rcu_is_watching+0x15/0xb0
[  416.729962][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  416.729986][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  416.730020][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  416.730033][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  416.730078][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  416.730117][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  416.730128][ T6025]  ? __bfs+0x153/0x290
[  416.730141][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  416.730165][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  416.730177][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  416.730206][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  416.730218][ T6025]  do_writepages+0x338/0x560
[  416.730242][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  416.730289][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  416.730312][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  416.730360][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  416.730377][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  416.730401][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  416.730438][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  416.730489][ T6025]  kill_f2fs_super+0x2dd/0x700
[  416.730511][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  416.730531][ T6025]  ? call_rcu+0x64b/0x8b0
[  416.730543][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  416.730571][ T6025]  deactivate_locked_super+0xbc/0x110
[  416.730593][ T6025]  cleanup_mnt+0x3d3/0x460
[  416.730610][ T6025]  task_work_run+0x1d9/0x270
[  416.730625][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  416.730645][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  416.730663][ T6025]  ? rcu_is_watching+0x15/0xb0
[  416.730677][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  416.730690][ T6025]  do_syscall_64+0x353/0x580
[  416.730704][ T6025]  ? trace_irq_disable+0x3b/0x140
[  416.730725][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  416.730738][ T6025] RIP: 0033:0x7f99c779f257
[  416.730753][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  416.730763][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  416.730778][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  416.730785][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  416.730791][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  416.730800][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  416.730806][ T6025] R13: 00007f99c783445c R14: 0000000000065b3e R15: 00007ffc6876e7b0
[  416.730828][ T6025]  </TASK>
[  416.843457][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  416.941934][T10155] loop1: detected capacity change from 0 to 40427
[  416.949700][T10155] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  416.956156][T10155] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  417.062151][T10159] loop0: detected capacity change from 0 to 40427
[  417.079849][T10159] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  417.086564][T10159] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  417.138447][T10155] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  417.158470][T10159] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  417.159526][T10155] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  417.171082][T10155] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  417.175800][T10159] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  417.180201][T10159] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  417.183620][   T34] audit: type=1800 audit(1785602856.172:1918): pid=10155 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.975" name="file1" dev="loop1" ino=10 res=0 errno=0
[  417.214393][   T34] audit: type=1800 audit(1785602856.172:1919): pid=10155 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.975" name="file1" dev="loop1" ino=10 res=0 errno=0
[  417.226721][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  417.226742][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  417.226750][ T6024] Call Trace:
[  417.226756][ T6024]  <TASK>
[  417.226761][ T6024]  dump_stack_lvl+0xe8/0x150
[  417.226786][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  417.226807][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  417.226833][ T6024]  __submit_merged_bio+0x258/0x6a0
[  417.226849][ T6024]  ? rcu_is_watching+0x15/0xb0
[  417.226865][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  417.226888][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  417.226917][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  417.226960][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  417.226997][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  417.227008][ T6024]  ? __bfs+0x153/0x290
[  417.227020][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  417.227039][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  417.227051][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  417.227077][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  417.227088][ T6024]  do_writepages+0x338/0x560
[  417.227109][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  417.227124][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  417.227143][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  417.227186][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  417.227199][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  417.227221][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  417.227253][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  417.227342][ T6024]  kill_f2fs_super+0x2dd/0x700
[  417.227362][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  417.227382][ T6024]  ? call_rcu+0x64b/0x8b0
[  417.227393][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  417.227419][ T6024]  deactivate_locked_super+0xbc/0x110
[  417.227437][ T6024]  cleanup_mnt+0x3d3/0x460
[  417.227454][ T6024]  task_work_run+0x1d9/0x270
[  417.227470][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  417.227487][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  417.227503][ T6024]  ? rcu_is_watching+0x15/0xb0
[  417.227514][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.227528][ T6024]  do_syscall_64+0x353/0x580
[  417.227543][ T6024]  ? trace_irq_disable+0x3b/0x140
[  417.227562][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.227574][ T6024] RIP: 0033:0x7f7f7319f257
[  417.227588][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  417.227598][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  417.227611][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  417.227619][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  417.227625][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  417.227632][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  417.227639][ T6024] R13: 00007f7f7323445c R14: 0000000000065d3c R15: 00007ffd320a10d0
[  417.227659][ T6024]  </TASK>
[  417.227705][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
2026/08/01 16:47:36 executed programs: 967
[  417.348885][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  417.348918][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  417.348928][ T6026] Call Trace:
[  417.348935][ T6026]  <TASK>
[  417.348943][ T6026]  dump_stack_lvl+0xe8/0x150
[  417.348971][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  417.348996][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  417.349025][ T6026]  __submit_merged_bio+0x258/0x6a0
[  417.349044][ T6026]  ? rcu_is_watching+0x15/0xb0
[  417.349062][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  417.349086][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  417.349120][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  417.349133][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  417.349172][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  417.349212][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  417.349232][ T6026]  ? __bfs+0x153/0x290
[  417.349247][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  417.349298][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  417.349312][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  417.349344][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  417.349357][ T6026]  do_writepages+0x338/0x560
[  417.349382][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  417.349399][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  417.349420][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  417.349468][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  417.349484][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  417.349508][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  417.349543][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  417.349592][ T6026]  kill_f2fs_super+0x2dd/0x700
[  417.349613][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  417.349652][ T6026]  ? call_rcu+0x64b/0x8b0
[  417.349666][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  417.349694][ T6026]  deactivate_locked_super+0xbc/0x110
[  417.349714][ T6026]  cleanup_mnt+0x3d3/0x460
[  417.349733][ T6026]  task_work_run+0x1d9/0x270
[  417.349749][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  417.349768][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  417.349787][ T6026]  ? rcu_is_watching+0x15/0xb0
[  417.349799][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.349814][ T6026]  do_syscall_64+0x353/0x580
[  417.349828][ T6026]  ? trace_irq_disable+0x3b/0x140
[  417.349848][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.349860][ T6026] RIP: 0033:0x7fecc479f257
[  417.349874][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  417.349885][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  417.349901][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  417.349911][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  417.349918][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  417.349925][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  417.349934][ T6026] R13: 00007fecc483445c R14: 0000000000065d3b R15: 00007ffecf29a7f0
[  417.349953][ T6026]  </TASK>
[  417.484659][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  417.923832][T10165] loop2: detected capacity change from 0 to 40427
[  417.928064][T10165] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  417.930700][T10165] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  417.997015][T10165] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  418.004976][T10165] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  418.008777][T10165] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  418.067045][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  418.067072][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  418.067083][ T6025] Call Trace:
[  418.067091][ T6025]  <TASK>
[  418.067098][ T6025]  dump_stack_lvl+0xe8/0x150
[  418.067132][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  418.067175][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  418.067205][ T6025]  __submit_merged_bio+0x258/0x6a0
[  418.067223][ T6025]  ? rcu_is_watching+0x15/0xb0
[  418.067242][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  418.067295][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  418.067329][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  418.067343][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  418.067383][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.067428][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  418.067441][ T6025]  ? __bfs+0x153/0x290
[  418.067456][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  418.067480][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  418.067494][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  418.067528][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.067543][ T6025]  do_writepages+0x338/0x560
[  418.067569][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  418.067588][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  418.067609][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  418.067656][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  418.067674][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  418.067697][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  418.067734][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  418.067785][ T6025]  kill_f2fs_super+0x2dd/0x700
[  418.067807][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  418.067829][ T6025]  ? call_rcu+0x64b/0x8b0
[  418.067841][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  418.067869][ T6025]  deactivate_locked_super+0xbc/0x110
[  418.067891][ T6025]  cleanup_mnt+0x3d3/0x460
[  418.067909][ T6025]  task_work_run+0x1d9/0x270
[  418.067926][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  418.067947][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  418.067964][ T6025]  ? rcu_is_watching+0x15/0xb0
[  418.067978][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.067992][ T6025]  do_syscall_64+0x353/0x580
[  418.068009][ T6025]  ? trace_irq_disable+0x3b/0x140
[  418.068028][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.068042][ T6025] RIP: 0033:0x7f99c779f257
[  418.068058][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  418.068069][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  418.068085][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  418.068095][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  418.068101][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  418.068110][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  418.068123][ T6025] R13: 00007f99c783445c R14: 000000000006607a R15: 00007ffc6876e7b0
[  418.068145][ T6025]  </TASK>
[  418.179818][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  418.182938][T10167] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  418.190790][T10167] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  418.313835][T10169] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  418.330237][T10169] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  418.350437][T10167] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  418.360083][T10167] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  418.363992][T10167] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  418.398753][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  418.398775][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  418.398784][ T6024] Call Trace:
[  418.398790][ T6024]  <TASK>
[  418.398796][ T6024]  dump_stack_lvl+0xe8/0x150
[  418.398821][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  418.398844][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  418.398870][ T6024]  __submit_merged_bio+0x258/0x6a0
[  418.398887][ T6024]  ? rcu_is_watching+0x15/0xb0
[  418.398909][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  418.398931][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  418.398962][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  418.398996][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.399036][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  418.399048][ T6024]  ? __bfs+0x153/0x290
[  418.399062][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  418.399108][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  418.399125][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  418.399161][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.399175][ T6024]  do_writepages+0x338/0x560
[  418.399196][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  418.399213][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  418.399234][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  418.399311][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  418.399328][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  418.399352][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  418.399397][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  418.399446][ T6024]  kill_f2fs_super+0x2dd/0x700
[  418.399466][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  418.399488][ T6024]  ? call_rcu+0x64b/0x8b0
[  418.399500][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  418.399527][ T6024]  deactivate_locked_super+0xbc/0x110
[  418.399547][ T6024]  cleanup_mnt+0x3d3/0x460
[  418.399565][ T6024]  task_work_run+0x1d9/0x270
[  418.399580][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  418.399599][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  418.399615][ T6024]  ? rcu_is_watching+0x15/0xb0
[  418.399628][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.399642][ T6024]  do_syscall_64+0x353/0x580
[  418.399656][ T6024]  ? trace_irq_disable+0x3b/0x140
[  418.399678][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.399691][ T6024] RIP: 0033:0x7f7f7319f257
[  418.399704][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  418.399715][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  418.399729][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  418.399738][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  418.399745][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  418.399754][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  418.399761][ T6024] R13: 00007f7f7323445c R14: 00000000000661d2 R15: 00007ffd320a10d0
[  418.399784][ T6024]  </TASK>
[  418.402158][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  418.534296][T10169] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  418.542110][T10169] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  418.545544][T10169] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  418.564426][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  418.564447][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  418.564454][ T6026] Call Trace:
[  418.564459][ T6026]  <TASK>
[  418.564465][ T6026]  dump_stack_lvl+0xe8/0x150
[  418.564486][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  418.564503][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  418.564524][ T6026]  __submit_merged_bio+0x258/0x6a0
[  418.564537][ T6026]  ? rcu_is_watching+0x15/0xb0
[  418.564550][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  418.564577][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  418.564601][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  418.564611][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  418.564640][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.564671][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  418.564680][ T6026]  ? __bfs+0x153/0x290
[  418.564691][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  418.564708][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  418.564718][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  418.564743][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.564752][ T6026]  do_writepages+0x338/0x560
[  418.564771][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  418.564783][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  418.564800][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  418.564834][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  418.564873][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  418.564892][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  418.564919][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  418.564955][ T6026]  kill_f2fs_super+0x2dd/0x700
[  418.564971][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  418.564986][ T6026]  ? call_rcu+0x64b/0x8b0
[  418.564995][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  418.565016][ T6026]  deactivate_locked_super+0xbc/0x110
[  418.565032][ T6026]  cleanup_mnt+0x3d3/0x460
[  418.565045][ T6026]  task_work_run+0x1d9/0x270
[  418.565056][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  418.565070][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  418.565084][ T6026]  ? rcu_is_watching+0x15/0xb0
[  418.565093][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.565104][ T6026]  do_syscall_64+0x353/0x580
[  418.565115][ T6026]  ? trace_irq_disable+0x3b/0x140
[  418.565131][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.565140][ T6026] RIP: 0033:0x7fecc479f257
[  418.565152][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  418.565160][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  418.565172][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  418.565179][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  418.565185][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  418.565191][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  418.565197][ T6026] R13: 00007fecc483445c R14: 000000000006627c R15: 00007ffecf29a7f0
[  418.565213][ T6026]  </TASK>
[  418.565895][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  418.674577][T10177] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  418.686818][T10177] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  418.781907][T10177] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  418.808372][T10177] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  418.820337][T10177] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  418.866673][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  418.866695][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  418.866703][ T6025] Call Trace:
[  418.866710][ T6025]  <TASK>
[  418.866715][ T6025]  dump_stack_lvl+0xe8/0x150
[  418.866731][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  418.866744][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  418.866759][ T6025]  __submit_merged_bio+0x258/0x6a0
[  418.866769][ T6025]  ? rcu_is_watching+0x15/0xb0
[  418.866778][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  418.866791][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  418.866809][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  418.866816][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  418.866836][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.866858][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  418.866865][ T6025]  ? __bfs+0x153/0x290
[  418.866874][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  418.866893][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  418.866901][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  418.866919][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  418.866926][ T6025]  do_writepages+0x338/0x560
[  418.866958][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  418.866969][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  418.866981][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  418.867007][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  418.867016][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  418.867029][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  418.867048][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  418.867075][ T6025]  kill_f2fs_super+0x2dd/0x700
[  418.867086][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  418.867098][ T6025]  ? call_rcu+0x64b/0x8b0
[  418.867104][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  418.867119][ T6025]  deactivate_locked_super+0xbc/0x110
[  418.867131][ T6025]  cleanup_mnt+0x3d3/0x460
[  418.867141][ T6025]  task_work_run+0x1d9/0x270
[  418.867149][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  418.867160][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  418.867169][ T6025]  ? rcu_is_watching+0x15/0xb0
[  418.867176][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.867184][ T6025]  do_syscall_64+0x353/0x580
[  418.867193][ T6025]  ? trace_irq_disable+0x3b/0x140
[  418.867204][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.867212][ T6025] RIP: 0033:0x7f99c779f257
[  418.867220][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  418.867226][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  418.867236][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  418.867241][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  418.867274][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  418.867281][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  418.867285][ T6025] R13: 00007f99c783445c R14: 00000000000663ad R15: 00007ffc6876e7b0
[  418.867297][ T6025]  </TASK>
[  418.868314][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  419.203459][T10183] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  419.206546][T10183] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  419.307632][T10183] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  419.314545][T10183] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  419.318399][T10183] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  419.357698][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  419.357726][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  419.357736][ T6026] Call Trace:
[  419.357743][ T6026]  <TASK>
[  419.357751][ T6026]  dump_stack_lvl+0xe8/0x150
[  419.357778][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  419.357801][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  419.357828][ T6026]  __submit_merged_bio+0x258/0x6a0
[  419.357845][ T6026]  ? rcu_is_watching+0x15/0xb0
[  419.357860][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  419.357880][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  419.357908][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  419.357920][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  419.357957][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  419.357998][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  419.358009][ T6026]  ? __bfs+0x153/0x290
[  419.358025][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  419.358048][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  419.358062][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  419.358095][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  419.358109][ T6026]  do_writepages+0x338/0x560
[  419.358133][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  419.358150][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  419.358170][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  419.358216][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  419.358232][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  419.358286][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  419.358322][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  419.358367][ T6026]  kill_f2fs_super+0x2dd/0x700
[  419.358390][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  419.358409][ T6026]  ? call_rcu+0x64b/0x8b0
[  419.358420][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  419.358447][ T6026]  deactivate_locked_super+0xbc/0x110
[  419.358490][ T6026]  cleanup_mnt+0x3d3/0x460
[  419.358508][ T6026]  task_work_run+0x1d9/0x270
[  419.358523][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  419.358542][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  419.358560][ T6026]  ? rcu_is_watching+0x15/0xb0
[  419.358573][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.358587][ T6026]  do_syscall_64+0x353/0x580
[  419.358603][ T6026]  ? trace_irq_disable+0x3b/0x140
[  419.358630][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.358644][ T6026] RIP: 0033:0x7fecc479f257
[  419.358658][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  419.358670][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  419.358685][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  419.358694][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  419.358702][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  419.358710][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  419.358718][ T6026] R13: 00007fecc483445c R14: 0000000000066598 R15: 00007ffecf29a7f0
[  419.358739][ T6026]  </TASK>
[  419.361007][T10181] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  419.400739][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  419.418987][T10181] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  419.556131][T10181] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  419.567899][T10181] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  419.571160][T10181] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  419.587347][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  419.587367][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  419.587377][ T6024] Call Trace:
[  419.587382][ T6024]  <TASK>
[  419.587388][ T6024]  dump_stack_lvl+0xe8/0x150
[  419.587418][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  419.587437][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  419.587462][ T6024]  __submit_merged_bio+0x258/0x6a0
[  419.587478][ T6024]  ? rcu_is_watching+0x15/0xb0
[  419.587492][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  419.587514][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  419.587545][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  419.587572][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  419.587611][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  419.587621][ T6024]  ? __bfs+0x153/0x290
[  419.587635][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  419.587657][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  419.587669][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  419.587694][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  419.587706][ T6024]  do_writepages+0x338/0x560
[  419.587727][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  419.587743][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  419.587762][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  419.587803][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  419.587820][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  419.587841][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  419.587874][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  419.587920][ T6024]  kill_f2fs_super+0x2dd/0x700
[  419.587938][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  419.587958][ T6024]  ? call_rcu+0x64b/0x8b0
[  419.587969][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  419.587992][ T6024]  deactivate_locked_super+0xbc/0x110
[  419.588008][ T6024]  cleanup_mnt+0x3d3/0x460
[  419.588045][ T6024]  task_work_run+0x1d9/0x270
[  419.588059][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  419.588077][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  419.588093][ T6024]  ? rcu_is_watching+0x15/0xb0
[  419.588104][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.588115][ T6024]  do_syscall_64+0x353/0x580
[  419.588126][ T6024]  ? trace_irq_disable+0x3b/0x140
[  419.588144][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.588156][ T6024] RIP: 0033:0x7f7f7319f257
[  419.588168][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  419.588178][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  419.588192][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  419.588200][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  419.588204][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  419.588210][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  419.588217][ T6024] R13: 00007f7f7323445c R14: 0000000000066681 R15: 00007ffd320a10d0
[  419.588236][ T6024]  </TASK>
[  419.624940][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  419.697031][T10187] set_capacity_and_notify: 5 callbacks suppressed
[  419.697041][T10187] loop2: detected capacity change from 0 to 40427
[  419.720592][T10187] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  419.729658][T10187] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  419.799632][T10187] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  419.806276][T10187] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  419.808723][T10187] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  419.831622][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  419.831644][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  419.831651][ T6025] Call Trace:
[  419.831658][ T6025]  <TASK>
[  419.831664][ T6025]  dump_stack_lvl+0xe8/0x150
[  419.831688][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  419.831708][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  419.831734][ T6025]  __submit_merged_bio+0x258/0x6a0
[  419.831752][ T6025]  ? rcu_is_watching+0x15/0xb0
[  419.831767][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  419.831790][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  419.831821][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  419.831842][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  419.831879][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  419.831920][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  419.831931][ T6025]  ? __bfs+0x153/0x290
[  419.831946][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  419.831968][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  419.831983][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  419.832015][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  419.832029][ T6025]  do_writepages+0x338/0x560
[  419.832053][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  419.832070][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  419.832090][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  419.832132][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  419.832150][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  419.832174][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  419.832207][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  419.832281][ T6025]  kill_f2fs_super+0x2dd/0x700
[  419.832302][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  419.832323][ T6025]  ? call_rcu+0x64b/0x8b0
[  419.832334][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  419.832360][ T6025]  deactivate_locked_super+0xbc/0x110
[  419.832380][ T6025]  cleanup_mnt+0x3d3/0x460
[  419.832397][ T6025]  task_work_run+0x1d9/0x270
[  419.832412][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  419.832431][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  419.832447][ T6025]  ? rcu_is_watching+0x15/0xb0
[  419.832459][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.832472][ T6025]  do_syscall_64+0x353/0x580
[  419.832488][ T6025]  ? trace_irq_disable+0x3b/0x140
[  419.832508][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.832520][ T6025] RIP: 0033:0x7f99c779f257
[  419.832553][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  419.832564][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  419.832579][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  419.832587][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  419.832594][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  419.832623][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  419.832632][ T6025] R13: 00007f99c783445c R14: 0000000000066777 R15: 00007ffc6876e7b0
[  419.832652][ T6025]  </TASK>
[  419.959597][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  420.208774][T10193] loop1: detected capacity change from 0 to 40427
[  420.221639][T10193] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  420.235933][T10193] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  420.288831][T10193] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  420.298928][T10193] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  420.302300][T10193] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  420.324300][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  420.324322][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  420.324330][ T6026] Call Trace:
[  420.324336][ T6026]  <TASK>
[  420.324342][ T6026]  dump_stack_lvl+0xe8/0x150
[  420.324363][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  420.324385][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  420.324412][ T6026]  __submit_merged_bio+0x258/0x6a0
[  420.324428][ T6026]  ? rcu_is_watching+0x15/0xb0
[  420.324444][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  420.324466][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  420.324500][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  420.324534][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  420.324575][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  420.324588][ T6026]  ? __bfs+0x153/0x290
[  420.324601][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  420.324624][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  420.324637][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  420.324669][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  420.324680][ T6026]  do_writepages+0x338/0x560
[  420.324700][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  420.324716][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  420.324734][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  420.324775][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  420.324790][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  420.324810][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  420.324843][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  420.324887][ T6026]  kill_f2fs_super+0x2dd/0x700
[  420.324906][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  420.324926][ T6026]  ? call_rcu+0x64b/0x8b0
[  420.324938][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  420.324970][ T6026]  deactivate_locked_super+0xbc/0x110
[  420.324989][ T6026]  cleanup_mnt+0x3d3/0x460
[  420.325005][ T6026]  task_work_run+0x1d9/0x270
[  420.325038][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  420.325058][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  420.325074][ T6026]  ? rcu_is_watching+0x15/0xb0
[  420.325086][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.325099][ T6026]  do_syscall_64+0x353/0x580
[  420.325114][ T6026]  ? trace_irq_disable+0x3b/0x140
[  420.325133][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.325145][ T6026] RIP: 0033:0x7fecc479f257
[  420.325157][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  420.325167][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  420.325181][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  420.325189][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  420.325197][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  420.325206][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  420.325214][ T6026] R13: 00007fecc483445c R14: 0000000000066962 R15: 00007ffecf29a7f0
[  420.325235][ T6026]  </TASK>
[  420.325793][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  420.646513][T10197] loop2: detected capacity change from 0 to 40427
[  420.655924][T10197] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  420.662851][T10197] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  420.670617][T10198] loop0: detected capacity change from 0 to 40427
[  420.676041][T10198] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  420.682741][T10198] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  420.760927][T10198] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  420.766370][T10198] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  420.769079][T10198] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  420.773499][   T34] kauditd_printk_skb: 18 callbacks suppressed
[  420.773509][   T34] audit: type=1800 audit(1785602859.772:1938): pid=10198 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.985" name="file1" dev="loop0" ino=10 res=0 errno=0
[  420.778711][T10198] bio_check_eod: 32 callbacks suppressed
[  420.778723][T10198] syz.0.985: attempt to access beyond end of device
[  420.778723][T10198] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  420.791428][   T34] audit: type=1800 audit(1785602859.772:1939): pid=10198 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.985" name="file1" dev="loop0" ino=10 res=0 errno=0
[  420.793273][T10198] syz.0.985: attempt to access beyond end of device
[  420.793273][T10198] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  420.802162][T10197] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  420.811572][T10197] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  420.814536][T10197] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  420.822409][   T34] audit: type=1800 audit(1785602859.812:1940): pid=10197 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.986" name="file1" dev="loop2" ino=10 res=0 errno=0
[  420.827858][T10197] syz.2.986: attempt to access beyond end of device
[  420.827858][T10197] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  420.832645][   T34] audit: type=1800 audit(1785602859.812:1941): pid=10197 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.986" name="file1" dev="loop2" ino=10 res=0 errno=0
[  420.836113][T10197] syz.2.986: attempt to access beyond end of device
[  420.836113][T10197] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  420.852364][ T6025] syz-executor: attempt to access beyond end of device
[  420.852364][ T6025] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  420.860008][ T6024] syz-executor: attempt to access beyond end of device
[  420.860008][ T6024] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  420.866646][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  420.866666][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  420.866674][ T6025] Call Trace:
[  420.866681][ T6025]  <TASK>
[  420.866687][ T6025]  dump_stack_lvl+0xe8/0x150
[  420.866711][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  420.866734][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  420.866761][ T6025]  __submit_merged_bio+0x258/0x6a0
[  420.866780][ T6025]  ? rcu_is_watching+0x15/0xb0
[  420.866797][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  420.866820][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  420.866853][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  420.866892][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  420.866914][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  420.866950][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  420.866963][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  420.866973][ T6025]  ? __bfs+0x153/0x290
[  420.866987][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  420.867013][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  420.867027][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  420.867061][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  420.867075][ T6025]  do_writepages+0x338/0x560
[  420.867100][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  420.867118][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  420.867139][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  420.867189][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  420.867206][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  420.867230][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  420.867312][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  420.867370][ T6025]  kill_f2fs_super+0x2dd/0x700
[  420.867391][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  420.867414][ T6025]  ? call_rcu+0x64b/0x8b0
[  420.867425][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  420.867452][ T6025]  deactivate_locked_super+0xbc/0x110
[  420.867471][ T6025]  cleanup_mnt+0x3d3/0x460
[  420.867489][ T6025]  task_work_run+0x1d9/0x270
[  420.867503][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  420.867523][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  420.867540][ T6025]  ? rcu_is_watching+0x15/0xb0
[  420.867552][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.867566][ T6025]  do_syscall_64+0x353/0x580
[  420.867582][ T6025]  ? trace_irq_disable+0x3b/0x140
[  420.867601][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.867615][ T6025] RIP: 0033:0x7f99c779f257
[  420.867628][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  420.867638][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  420.867653][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  420.867660][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  420.867668][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  420.867677][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  420.867684][ T6025] R13: 00007f99c783445c R14: 0000000000066b73 R15: 00007ffc6876e7b0
[  420.867705][ T6025]  </TASK>
[  420.868533][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  420.904323][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  420.904335][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  420.904341][ T6024] Call Trace:
[  420.904345][ T6024]  <TASK>
[  420.904348][ T6024]  dump_stack_lvl+0xe8/0x150
[  420.904363][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  420.904376][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  420.904391][ T6024]  __submit_merged_bio+0x258/0x6a0
[  420.904401][ T6024]  ? rcu_is_watching+0x15/0xb0
[  420.904410][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  420.904429][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  420.904447][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  420.904466][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  420.904488][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  420.904495][ T6024]  ? __bfs+0x153/0x290
[  420.904504][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  420.904517][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  420.904525][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  420.904543][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  420.904551][ T6024]  do_writepages+0x338/0x560
[  420.904564][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  420.904574][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  420.904585][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  420.904610][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  420.904620][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  420.904633][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  420.904651][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  420.904677][ T6024]  kill_f2fs_super+0x2dd/0x700
[  420.904688][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  420.904699][ T6024]  ? call_rcu+0x64b/0x8b0
[  420.904706][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  420.904720][ T6024]  deactivate_locked_super+0xbc/0x110
[  420.904732][ T6024]  cleanup_mnt+0x3d3/0x460
[  420.904742][ T6024]  task_work_run+0x1d9/0x270
[  420.904750][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  420.904760][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  420.904770][ T6024]  ? rcu_is_watching+0x15/0xb0
[  420.904777][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.904784][ T6024]  do_syscall_64+0x353/0x580
[  420.904793][ T6024]  ? trace_irq_disable+0x3b/0x140
[  420.904804][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.904811][ T6024] RIP: 0033:0x7f7f7319f257
[  420.904820][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  420.904826][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  420.904835][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  420.904840][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  420.904844][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  420.904849][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  420.904853][ T6024] R13: 00007f7f7323445c R14: 0000000000066b45 R15: 00007ffd320a10d0
[  420.904864][ T6024]  </TASK>
[  420.904868][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  421.064546][T10202] loop1: detected capacity change from 0 to 40427
[  421.143572][T10202] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  421.148778][T10202] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  421.216880][T10202] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  421.223181][T10202] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  421.226148][T10202] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  421.230977][   T34] audit: type=1800 audit(1785602860.222:1942): pid=10202 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.987" name="file1" dev="loop1" ino=10 res=0 errno=0
[  421.245759][T10202] syz.1.987: attempt to access beyond end of device
[  421.245759][T10202] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  421.252099][   T34] audit: type=1800 audit(1785602860.232:1943): pid=10202 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.987" name="file1" dev="loop1" ino=10 res=0 errno=0
[  421.260468][T10202] syz.1.987: attempt to access beyond end of device
[  421.260468][T10202] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  421.270542][ T6026] syz-executor: attempt to access beyond end of device
[  421.270542][ T6026] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  421.279975][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  421.279989][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  421.279994][ T6026] Call Trace:
[  421.279998][ T6026]  <TASK>
[  421.280002][ T6026]  dump_stack_lvl+0xe8/0x150
[  421.280017][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  421.280030][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  421.280046][ T6026]  __submit_merged_bio+0x258/0x6a0
[  421.280055][ T6026]  ? rcu_is_watching+0x15/0xb0
[  421.280065][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  421.280079][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  421.280106][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  421.280140][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  421.280181][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  421.280190][ T6026]  ? __bfs+0x153/0x290
[  421.280200][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  421.280213][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  421.280223][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  421.280290][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  421.280300][ T6026]  do_writepages+0x338/0x560
[  421.280324][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  421.280341][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  421.280360][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  421.280407][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  421.280423][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  421.280442][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  421.280476][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  421.280524][ T6026]  kill_f2fs_super+0x2dd/0x700
[  421.280561][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  421.280582][ T6026]  ? call_rcu+0x64b/0x8b0
[  421.280593][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  421.280618][ T6026]  deactivate_locked_super+0xbc/0x110
[  421.280637][ T6026]  cleanup_mnt+0x3d3/0x460
[  421.280648][ T6026]  task_work_run+0x1d9/0x270
[  421.280657][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  421.280668][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  421.280677][ T6026]  ? rcu_is_watching+0x15/0xb0
[  421.280685][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.280693][ T6026]  do_syscall_64+0x353/0x580
[  421.280702][ T6026]  ? trace_irq_disable+0x3b/0x140
[  421.280714][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.280721][ T6026] RIP: 0033:0x7fecc479f257
[  421.280730][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  421.280736][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  421.280746][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  421.280751][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  421.280755][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  421.280760][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  421.280765][ T6026] R13: 00007fecc483445c R14: 0000000000066d18 R15: 00007ffecf29a7f0
[  421.280777][ T6026]  </TASK>
[  421.281838][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  421.611155][T10210] loop2: detected capacity change from 0 to 40427
[  421.619981][T10210] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  421.628739][T10210] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  421.721697][T10210] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  421.726413][T10212] loop0: detected capacity change from 0 to 40427
[  421.732984][T10212] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  421.743851][T10210] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  421.746701][T10212] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  421.749733][T10210] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  421.761283][   T34] audit: type=1800 audit(1785602860.752:1944): pid=10210 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.988" name="file1" dev="loop2" ino=10 res=0 errno=0
[  421.778984][T10210] syz.2.988: attempt to access beyond end of device
[  421.778984][T10210] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  421.792783][   T34] audit: type=1800 audit(1785602860.752:1945): pid=10210 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.988" name="file1" dev="loop2" ino=10 res=0 errno=0
[  421.818160][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  421.818182][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  421.818190][ T6025] Call Trace:
[  421.818196][ T6025]  <TASK>
[  421.818203][ T6025]  dump_stack_lvl+0xe8/0x150
[  421.818256][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  421.818280][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  421.818307][ T6025]  __submit_merged_bio+0x258/0x6a0
[  421.818324][ T6025]  ? rcu_is_watching+0x15/0xb0
[  421.818340][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  421.818362][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  421.818392][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  421.818426][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  421.818468][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  421.818479][ T6025]  ? __bfs+0x153/0x290
[  421.818495][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  421.818518][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  421.818532][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  421.818566][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  421.818579][ T6025]  do_writepages+0x338/0x560
[  421.818604][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  421.818622][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  421.818642][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  421.818689][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  421.818706][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  421.818730][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  421.818763][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  421.818809][ T6025]  kill_f2fs_super+0x2dd/0x700
[  421.818829][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  421.818850][ T6025]  ? call_rcu+0x64b/0x8b0
[  421.818862][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  421.818888][ T6025]  deactivate_locked_super+0xbc/0x110
[  421.818913][ T6025]  cleanup_mnt+0x3d3/0x460
[  421.818930][ T6025]  task_work_run+0x1d9/0x270
[  421.818944][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  421.818963][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  421.818979][ T6025]  ? rcu_is_watching+0x15/0xb0
[  421.818998][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.819012][ T6025]  do_syscall_64+0x353/0x580
[  421.819028][ T6025]  ? trace_irq_disable+0x3b/0x140
[  421.819047][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.819059][ T6025] RIP: 0033:0x7f99c779f257
[  421.819072][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  421.819082][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  421.819097][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  421.819105][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  421.819113][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  421.819122][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  421.819129][ T6025] R13: 00007f99c783445c R14: 0000000000066f34 R15: 00007ffc6876e7b0
[  421.819150][ T6025]  </TASK>
[  421.819156][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  421.907029][T10212] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  421.955959][T10212] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  421.958684][T10212] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  421.972073][   T34] audit: type=1800 audit(1785602860.962:1946): pid=10212 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.989" name="file1" dev="loop0" ino=10 res=0 errno=0
[  421.987068][   T34] audit: type=1800 audit(1785602860.962:1947): pid=10212 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.989" name="file1" dev="loop0" ino=10 res=0 errno=0
[  422.005899][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  422.005917][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  422.005925][ T6024] Call Trace:
[  422.005931][ T6024]  <TASK>
[  422.005937][ T6024]  dump_stack_lvl+0xe8/0x150
[  422.005961][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  422.005982][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  422.006002][ T6024]  __submit_merged_bio+0x258/0x6a0
[  422.006017][ T6024]  ? rcu_is_watching+0x15/0xb0
[  422.006036][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  422.006059][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  422.006086][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  422.006119][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  422.006157][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  422.006168][ T6024]  ? __bfs+0x153/0x290
[  422.006204][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  422.006251][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  422.006265][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  422.006297][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  422.006310][ T6024]  do_writepages+0x338/0x560
[  422.006335][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  422.006353][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  422.006374][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  422.006419][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  422.006430][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  422.006444][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  422.006465][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  422.006500][ T6024]  kill_f2fs_super+0x2dd/0x700
[  422.006512][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  422.006525][ T6024]  ? call_rcu+0x64b/0x8b0
[  422.006532][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  422.006547][ T6024]  deactivate_locked_super+0xbc/0x110
[  422.006559][ T6024]  cleanup_mnt+0x3d3/0x460
[  422.006569][ T6024]  task_work_run+0x1d9/0x270
[  422.006578][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  422.006589][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  422.006598][ T6024]  ? rcu_is_watching+0x15/0xb0
[  422.006606][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.006614][ T6024]  do_syscall_64+0x353/0x580
[  422.006623][ T6024]  ? trace_irq_disable+0x3b/0x140
[  422.006635][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.006642][ T6024] RIP: 0033:0x7f7f7319f257
[  422.006652][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  422.006658][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  422.006668][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  422.006673][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  422.006678][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  422.006683][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  422.006687][ T6024] R13: 00007f7f7323445c R14: 0000000000066fe8 R15: 00007ffd320a10d0
[  422.006700][ T6024]  </TASK>
[  422.008057][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  422.031616][T10214] loop1: detected capacity change from 0 to 40427
[  422.145884][T10214] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  422.148663][T10214] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  422.296675][T10214] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  422.302371][T10214] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  422.307740][T10214] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  422.331513][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  422.331534][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  422.331543][ T6026] Call Trace:
[  422.331549][ T6026]  <TASK>
[  422.331555][ T6026]  dump_stack_lvl+0xe8/0x150
[  422.331578][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  422.331599][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  422.331628][ T6026]  __submit_merged_bio+0x258/0x6a0
[  422.331646][ T6026]  ? rcu_is_watching+0x15/0xb0
[  422.331663][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  422.331688][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  422.331722][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  422.331760][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  422.331830][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  422.331842][ T6026]  ? __bfs+0x153/0x290
[  422.331857][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  422.331882][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  422.331895][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  422.331930][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  422.331942][ T6026]  do_writepages+0x338/0x560
[  422.331968][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  422.331985][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  422.332005][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  422.332055][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  422.332073][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  422.332096][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  422.332133][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  422.332185][ T6026]  kill_f2fs_super+0x2dd/0x700
[  422.332205][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  422.332253][ T6026]  ? call_rcu+0x64b/0x8b0
[  422.332267][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  422.332293][ T6026]  deactivate_locked_super+0xbc/0x110
[  422.332312][ T6026]  cleanup_mnt+0x3d3/0x460
[  422.332329][ T6026]  task_work_run+0x1d9/0x270
[  422.332343][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  422.332362][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  422.332378][ T6026]  ? rcu_is_watching+0x15/0xb0
[  422.332390][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.332403][ T6026]  do_syscall_64+0x353/0x580
[  422.332418][ T6026]  ? trace_irq_disable+0x3b/0x140
[  422.332443][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.332455][ T6026] RIP: 0033:0x7fecc479f257
[  422.332468][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  422.332477][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  422.332490][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  422.332499][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  422.332506][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  422.332515][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  422.332523][ T6026] R13: 00007fecc483445c R14: 0000000000067136 R15: 00007ffecf29a7f0
[  422.332546][ T6026]  </TASK>
[  422.457207][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  422.796936][T10222] loop0: detected capacity change from 0 to 40427
[  422.808007][T10222] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  422.818780][T10222] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  422.896000][T10224] loop2: detected capacity change from 0 to 40427
[  422.910101][T10224] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  422.922423][T10222] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  422.926458][T10224] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  422.962694][T10222] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  422.965261][T10222] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  422.995055][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  422.995078][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  422.995087][ T6024] Call Trace:
[  422.995094][ T6024]  <TASK>
[  422.995100][ T6024]  dump_stack_lvl+0xe8/0x150
[  422.995124][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  422.995146][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  422.995168][ T6024]  __submit_merged_bio+0x258/0x6a0
[  422.995182][ T6024]  ? rcu_is_watching+0x15/0xb0
[  422.995199][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  422.995246][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  422.995277][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  422.995289][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  422.995327][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  422.995368][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  422.995380][ T6024]  ? __bfs+0x153/0x290
[  422.995395][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  422.995418][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  422.995431][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  422.995459][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  422.995473][ T6024]  do_writepages+0x338/0x560
[  422.995496][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  422.995511][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  422.995532][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  422.995576][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  422.995593][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  422.995616][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  422.995651][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  422.995696][ T6024]  kill_f2fs_super+0x2dd/0x700
[  422.995715][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  422.995736][ T6024]  ? call_rcu+0x64b/0x8b0
[  422.995750][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  422.995773][ T6024]  deactivate_locked_super+0xbc/0x110
[  422.995801][ T6024]  cleanup_mnt+0x3d3/0x460
[  422.995819][ T6024]  task_work_run+0x1d9/0x270
[  422.995833][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  422.995850][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
2026/08/01 16:47:42 executed programs: 983
[  422.995868][ T6024]  ? rcu_is_watching+0x15/0xb0
[  422.995880][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.995894][ T6024]  do_syscall_64+0x353/0x580
[  422.995909][ T6024]  ? trace_irq_disable+0x3b/0x140
[  422.995928][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.995941][ T6024] RIP: 0033:0x7f7f7319f257
[  422.995954][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  422.995965][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  422.995980][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  422.995989][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  422.995997][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  422.996004][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  422.996012][ T6024] R13: 00007f7f7323445c R14: 00000000000673c4 R15: 00007ffd320a10d0
[  422.996032][ T6024]  </TASK>
[  422.996037][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  423.005300][T10224] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  423.054340][T10226] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  423.140256][T10224] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  423.143116][T10224] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  423.161807][T10226] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  423.166612][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  423.166632][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  423.166641][ T6025] Call Trace:
[  423.166647][ T6025]  <TASK>
[  423.166655][ T6025]  dump_stack_lvl+0xe8/0x150
[  423.166679][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  423.166700][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  423.166746][ T6025]  __submit_merged_bio+0x258/0x6a0
[  423.166762][ T6025]  ? rcu_is_watching+0x15/0xb0
[  423.166779][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  423.166809][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  423.166837][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  423.166872][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  423.166908][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  423.166920][ T6025]  ? __bfs+0x153/0x290
[  423.166936][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  423.166954][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  423.166968][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  423.166999][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  423.167013][ T6025]  do_writepages+0x338/0x560
[  423.167035][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  423.167052][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  423.167073][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  423.167114][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  423.167133][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  423.167151][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  423.167185][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  423.167363][ T6025]  kill_f2fs_super+0x2dd/0x700
[  423.167419][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  423.167443][ T6025]  ? call_rcu+0x64b/0x8b0
[  423.167456][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  423.167480][ T6025]  deactivate_locked_super+0xbc/0x110
[  423.167500][ T6025]  cleanup_mnt+0x3d3/0x460
[  423.167517][ T6025]  task_work_run+0x1d9/0x270
[  423.167532][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  423.167550][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  423.167567][ T6025]  ? rcu_is_watching+0x15/0xb0
[  423.167581][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.167594][ T6025]  do_syscall_64+0x353/0x580
[  423.167607][ T6025]  ? trace_irq_disable+0x3b/0x140
[  423.167626][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.167638][ T6025] RIP: 0033:0x7f99c779f257
[  423.167653][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  423.167663][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  423.167675][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  423.167685][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  423.167693][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  423.167700][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  423.167708][ T6025] R13: 00007f99c783445c R14: 000000000006747d R15: 00007ffc6876e7b0
[  423.167728][ T6025]  </TASK>
[  423.169465][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  423.298335][T10226] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  423.336441][T10226] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  423.340098][T10226] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  423.365586][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  423.365607][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  423.365615][ T6026] Call Trace:
[  423.365622][ T6026]  <TASK>
[  423.365628][ T6026]  dump_stack_lvl+0xe8/0x150
[  423.365649][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  423.365669][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  423.365691][ T6026]  __submit_merged_bio+0x258/0x6a0
[  423.365705][ T6026]  ? rcu_is_watching+0x15/0xb0
[  423.365720][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  423.365742][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  423.365772][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  423.365783][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  423.365819][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  423.365856][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  423.365865][ T6026]  ? __bfs+0x153/0x290
[  423.365879][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  423.365901][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  423.365913][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  423.365939][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  423.365950][ T6026]  do_writepages+0x338/0x560
[  423.365972][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  423.365988][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  423.366007][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  423.366075][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  423.366092][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  423.366111][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  423.366144][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  423.366185][ T6026]  kill_f2fs_super+0x2dd/0x700
[  423.366201][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  423.366250][ T6026]  ? call_rcu+0x64b/0x8b0
[  423.366263][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  423.366288][ T6026]  deactivate_locked_super+0xbc/0x110
[  423.366308][ T6026]  cleanup_mnt+0x3d3/0x460
[  423.366323][ T6026]  task_work_run+0x1d9/0x270
[  423.366336][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  423.366354][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  423.366368][ T6026]  ? rcu_is_watching+0x15/0xb0
[  423.366379][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.366391][ T6026]  do_syscall_64+0x353/0x580
[  423.366404][ T6026]  ? trace_irq_disable+0x3b/0x140
[  423.366421][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.366442][ T6026] RIP: 0033:0x7fecc479f257
[  423.366455][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  423.366465][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  423.366479][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  423.366488][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  423.366495][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  423.366503][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  423.366510][ T6026] R13: 00007fecc483445c R14: 0000000000067541 R15: 00007ffecf29a7f0
[  423.366530][ T6026]  </TASK>
[  423.454265][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  423.792904][T10234] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  423.796516][T10234] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  423.898843][T10234] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  423.905786][T10234] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  423.909195][T10234] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  423.930796][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  423.930819][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  423.930827][ T6024] Call Trace:
[  423.930834][ T6024]  <TASK>
[  423.930841][ T6024]  dump_stack_lvl+0xe8/0x150
[  423.930865][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  423.930909][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  423.930936][ T6024]  __submit_merged_bio+0x258/0x6a0
[  423.930955][ T6024]  ? rcu_is_watching+0x15/0xb0
[  423.930972][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  423.930997][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  423.931033][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  423.931047][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  423.931085][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  423.931131][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  423.931144][ T6024]  ? __bfs+0x153/0x290
[  423.931158][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  423.931184][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  423.931197][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  423.931258][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  423.931282][ T6024]  do_writepages+0x338/0x560
[  423.931308][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  423.931327][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  423.931348][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  423.931396][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  423.931414][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  423.931437][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  423.931473][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  423.931525][ T6024]  kill_f2fs_super+0x2dd/0x700
[  423.931546][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  423.931568][ T6024]  ? call_rcu+0x64b/0x8b0
[  423.931581][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  423.931608][ T6024]  deactivate_locked_super+0xbc/0x110
[  423.931629][ T6024]  cleanup_mnt+0x3d3/0x460
[  423.931647][ T6024]  task_work_run+0x1d9/0x270
[  423.931664][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  423.931685][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  423.931702][ T6024]  ? rcu_is_watching+0x15/0xb0
[  423.931715][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.931730][ T6024]  do_syscall_64+0x353/0x580
[  423.931745][ T6024]  ? trace_irq_disable+0x3b/0x140
[  423.931766][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.931779][ T6024] RIP: 0033:0x7f7f7319f257
[  423.931794][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  423.931805][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  423.931820][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  423.931829][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  423.931837][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  423.931845][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  423.931855][ T6024] R13: 00007f7f7323445c R14: 0000000000067774 R15: 00007ffd320a10d0
[  423.931876][ T6024]  </TASK>
[  424.060035][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  424.087281][T10236] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  424.091040][T10236] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  424.180591][T10236] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  424.189334][T10236] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  424.192108][T10236] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  424.208584][T10240] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  424.211395][T10240] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  424.215047][ T5692] loop0: lost filesystem error report for type 5 error -108
[  424.271554][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  424.271598][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  424.271606][ T6025] Call Trace:
[  424.271612][ T6025]  <TASK>
[  424.271618][ T6025]  dump_stack_lvl+0xe8/0x150
[  424.271644][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  424.271667][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  424.271695][ T6025]  __submit_merged_bio+0x258/0x6a0
[  424.271713][ T6025]  ? rcu_is_watching+0x15/0xb0
[  424.271730][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  424.271754][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  424.271786][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  424.271799][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  424.271837][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  424.271878][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  424.271890][ T6025]  ? __bfs+0x153/0x290
[  424.271905][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  424.271928][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  424.271942][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  424.271975][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  424.271988][ T6025]  do_writepages+0x338/0x560
[  424.272013][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  424.272030][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  424.272050][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  424.272096][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  424.272113][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  424.272136][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  424.272189][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  424.272261][ T6025]  kill_f2fs_super+0x2dd/0x700
[  424.272288][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  424.272309][ T6025]  ? call_rcu+0x64b/0x8b0
[  424.272321][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  424.272362][ T6025]  deactivate_locked_super+0xbc/0x110
[  424.272383][ T6025]  cleanup_mnt+0x3d3/0x460
[  424.272400][ T6025]  task_work_run+0x1d9/0x270
[  424.272415][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  424.272434][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  424.272450][ T6025]  ? rcu_is_watching+0x15/0xb0
[  424.272463][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.272477][ T6025]  do_syscall_64+0x353/0x580
[  424.272493][ T6025]  ? trace_irq_disable+0x3b/0x140
[  424.272513][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.272526][ T6025] RIP: 0033:0x7f99c779f257
[  424.272539][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  424.272550][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  424.272564][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  424.272572][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  424.272580][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  424.272589][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  424.272596][ T6025] R13: 00007f99c783445c R14: 0000000000067894 R15: 00007ffc6876e7b0
[  424.272617][ T6025]  </TASK>
[  424.325740][T10240] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  424.327948][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  424.357611][T10240] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  424.357633][T10240] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  424.436670][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  424.436693][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  424.436701][ T6026] Call Trace:
[  424.436708][ T6026]  <TASK>
[  424.436716][ T6026]  dump_stack_lvl+0xe8/0x150
[  424.436737][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  424.436758][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  424.436781][ T6026]  __submit_merged_bio+0x258/0x6a0
[  424.436796][ T6026]  ? rcu_is_watching+0x15/0xb0
[  424.436810][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  424.436832][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  424.436863][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  424.436892][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  424.436934][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  424.436945][ T6026]  ? __bfs+0x153/0x290
[  424.436959][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  424.436980][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  424.436993][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  424.437025][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  424.437038][ T6026]  do_writepages+0x338/0x560
[  424.437061][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  424.437076][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  424.437096][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  424.437137][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  424.437152][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  424.437173][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  424.437206][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  424.437281][ T6026]  kill_f2fs_super+0x2dd/0x700
[  424.437301][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  424.437321][ T6026]  ? call_rcu+0x64b/0x8b0
[  424.437333][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  424.437358][ T6026]  deactivate_locked_super+0xbc/0x110
[  424.437378][ T6026]  cleanup_mnt+0x3d3/0x460
[  424.437394][ T6026]  task_work_run+0x1d9/0x270
[  424.437408][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  424.437425][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  424.437441][ T6026]  ? rcu_is_watching+0x15/0xb0
[  424.437454][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.437468][ T6026]  do_syscall_64+0x353/0x580
[  424.437483][ T6026]  ? trace_irq_disable+0x3b/0x140
[  424.437502][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.437514][ T6026] RIP: 0033:0x7fecc479f257
[  424.437528][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  424.437538][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  424.437553][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  424.437561][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  424.437568][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  424.437577][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  424.437584][ T6026] R13: 00007fecc483445c R14: 000000000006794b R15: 00007ffecf29a7f0
[  424.437604][ T6026]  </TASK>
[  424.437610][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  424.944778][T10246] set_capacity_and_notify: 4 callbacks suppressed
[  424.944792][T10246] loop0: detected capacity change from 0 to 40427
[  424.951356][T10246] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  424.961124][T10246] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  425.037628][T10246] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  425.047792][T10246] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  425.051433][T10246] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  425.075155][ T6024] CPU: 0 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  425.075178][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  425.075186][ T6024] Call Trace:
[  425.075192][ T6024]  <TASK>
[  425.075199][ T6024]  dump_stack_lvl+0xe8/0x150
[  425.075252][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  425.075281][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  425.075308][ T6024]  __submit_merged_bio+0x258/0x6a0
[  425.075326][ T6024]  ? rcu_is_watching+0x15/0xb0
[  425.075341][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  425.075365][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  425.075394][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  425.075430][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  425.075468][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  425.075481][ T6024]  ? __bfs+0x153/0x290
[  425.075496][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  425.075518][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  425.075532][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  425.075565][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  425.075578][ T6024]  do_writepages+0x338/0x560
[  425.075603][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  425.075619][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  425.075640][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  425.075684][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  425.075702][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  425.075724][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  425.075759][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  425.075804][ T6024]  kill_f2fs_super+0x2dd/0x700
[  425.075825][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  425.075845][ T6024]  ? call_rcu+0x64b/0x8b0
[  425.075858][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  425.075881][ T6024]  deactivate_locked_super+0xbc/0x110
[  425.075900][ T6024]  cleanup_mnt+0x3d3/0x460
[  425.075917][ T6024]  task_work_run+0x1d9/0x270
[  425.075932][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  425.075950][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  425.075965][ T6024]  ? rcu_is_watching+0x15/0xb0
[  425.075979][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.075992][ T6024]  do_syscall_64+0x353/0x580
[  425.076007][ T6024]  ? trace_irq_disable+0x3b/0x140
[  425.076026][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.076038][ T6024] RIP: 0033:0x7f7f7319f257
[  425.076053][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  425.076063][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  425.076077][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  425.076087][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  425.076094][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  425.076101][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  425.076109][ T6024] R13: 00007f7f7323445c R14: 0000000000067bee R15: 00007ffd320a10d0
[  425.076129][ T6024]  </TASK>
[  425.076135][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  425.244415][T10248] loop2: detected capacity change from 0 to 40427
[  425.262697][T10248] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  425.272070][T10248] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  425.299177][T10250] loop1: detected capacity change from 0 to 40427
[  425.304819][T10250] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  425.307638][T10250] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  425.371513][T10250] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  425.401293][T10250] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  425.406893][T10250] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  425.410706][T10248] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  425.423360][T10248] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  425.430327][T10248] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  425.446589][ T6026] CPU: 1 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  425.446610][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  425.446618][ T6026] Call Trace:
[  425.446624][ T6026]  <TASK>
[  425.446630][ T6026]  dump_stack_lvl+0xe8/0x150
[  425.446654][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  425.446676][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  425.446702][ T6026]  __submit_merged_bio+0x258/0x6a0
[  425.446719][ T6026]  ? rcu_is_watching+0x15/0xb0
[  425.446736][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  425.446759][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  425.446792][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  425.446804][ T6026]  ? __lock_acquire+0x683/0x2cf0
[  425.446844][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  425.446883][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  425.446895][ T6026]  ? __bfs+0x153/0x290
[  425.446932][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  425.446959][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  425.446973][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  425.447006][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  425.447020][ T6026]  do_writepages+0x338/0x560
[  425.447045][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  425.447062][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  425.447082][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  425.447129][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  425.447146][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  425.447170][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  425.447205][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  425.447274][ T6026]  kill_f2fs_super+0x2dd/0x700
[  425.447292][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  425.447312][ T6026]  ? call_rcu+0x64b/0x8b0
[  425.447323][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  425.447350][ T6026]  deactivate_locked_super+0xbc/0x110
[  425.447376][ T6026]  cleanup_mnt+0x3d3/0x460
[  425.447392][ T6026]  task_work_run+0x1d9/0x270
[  425.447407][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  425.447426][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  425.447442][ T6026]  ? rcu_is_watching+0x15/0xb0
[  425.447455][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.447468][ T6026]  do_syscall_64+0x353/0x580
[  425.447484][ T6026]  ? trace_irq_disable+0x3b/0x140
[  425.447504][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.447516][ T6026] RIP: 0033:0x7fecc479f257
[  425.447530][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  425.447541][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  425.447555][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  425.447564][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  425.447571][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  425.447580][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  425.447588][ T6026] R13: 00007fecc483445c R14: 0000000000067d64 R15: 00007ffecf29a7f0
[  425.447608][ T6026]  </TASK>
[  425.447657][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  425.568745][ T6025] CPU: 0 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  425.568765][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  425.568774][ T6025] Call Trace:
[  425.568779][ T6025]  <TASK>
[  425.568785][ T6025]  dump_stack_lvl+0xe8/0x150
[  425.568809][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  425.568833][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  425.568860][ T6025]  __submit_merged_bio+0x258/0x6a0
[  425.568876][ T6025]  ? rcu_is_watching+0x15/0xb0
[  425.568893][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  425.568915][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  425.568946][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  425.568960][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  425.568997][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  425.569038][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  425.569050][ T6025]  ? __bfs+0x153/0x290
[  425.569065][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  425.569088][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  425.569103][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  425.569136][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  425.569149][ T6025]  do_writepages+0x338/0x560
[  425.569172][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  425.569190][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  425.569262][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  425.569308][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  425.569324][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  425.569347][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  425.569381][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  425.569428][ T6025]  kill_f2fs_super+0x2dd/0x700
[  425.569448][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  425.569469][ T6025]  ? call_rcu+0x64b/0x8b0
[  425.569481][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  425.569507][ T6025]  deactivate_locked_super+0xbc/0x110
[  425.569528][ T6025]  cleanup_mnt+0x3d3/0x460
[  425.569544][ T6025]  task_work_run+0x1d9/0x270
[  425.569559][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  425.569577][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  425.569594][ T6025]  ? rcu_is_watching+0x15/0xb0
[  425.569607][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.569621][ T6025]  do_syscall_64+0x353/0x580
[  425.569636][ T6025]  ? trace_irq_disable+0x3b/0x140
[  425.569656][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.569668][ T6025] RIP: 0033:0x7f99c779f257
[  425.569681][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  425.569693][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  425.569707][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  425.569717][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  425.569723][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  425.569732][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  425.569739][ T6025] R13: 00007f99c783445c R14: 0000000000067d7b R15: 00007ffc6876e7b0
[  425.569758][ T6025]  </TASK>
[  425.572261][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  425.925362][T10258] loop0: detected capacity change from 0 to 40427
[  425.934956][T10258] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  425.960997][T10258] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  426.013867][T10258] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  426.019950][T10258] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  426.022977][T10258] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  426.027668][   T34] kauditd_printk_skb: 20 callbacks suppressed
[  426.027679][   T34] audit: type=1800 audit(1785602865.022:1968): pid=10258 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.1000" name="file1" dev="loop0" ino=10 res=0 errno=0
[  426.047736][T10258] bio_check_eod: 35 callbacks suppressed
[  426.047752][T10258] syz.0.1000: attempt to access beyond end of device
[  426.047752][T10258] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  426.055787][   T34] audit: type=1800 audit(1785602865.032:1969): pid=10258 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.1000" name="file1" dev="loop0" ino=10 res=0 errno=0
[  426.064876][T10258] syz.0.1000: attempt to access beyond end of device
[  426.064876][T10258] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  426.075574][ T6024] syz-executor: attempt to access beyond end of device
[  426.075574][ T6024] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  426.085082][ T6024] CPU: 1 UID: 0 PID: 6024 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  426.085097][ T6024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  426.085102][ T6024] Call Trace:
[  426.085105][ T6024]  <TASK>
[  426.085109][ T6024]  dump_stack_lvl+0xe8/0x150
[  426.085124][ T6024]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  426.085138][ T6024]  f2fs_write_end_io+0x124b/0x1710
[  426.085153][ T6024]  __submit_merged_bio+0x258/0x6a0
[  426.085163][ T6024]  ? rcu_is_watching+0x15/0xb0
[  426.085174][ T6024]  __submit_merged_write_cond+0x3c9/0x4e0
[  426.085188][ T6024]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  426.085233][ T6024]  f2fs_write_data_pages+0x2a27/0x36f0
[  426.085243][ T6024]  ? __lock_acquire+0x683/0x2cf0
[  426.085267][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  426.085291][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  426.085298][ T6024]  ? __bfs+0x153/0x290
[  426.085306][ T6024]  ? __pfx_hlock_conflict+0x10/0x10
[  426.085320][ T6024]  ? lockdep_unlock+0x5d/0xd0
[  426.085328][ T6024]  ? __lock_acquire+0x13e8/0x2cf0
[  426.085348][ T6024]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  426.085358][ T6024]  do_writepages+0x338/0x560
[  426.085373][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  426.085383][ T6024]  filemap_fdatawrite+0x1e9/0x2f0
[  426.085395][ T6024]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  426.085422][ T6024]  ? do_raw_spin_unlock+0x4d/0x210
[  426.085432][ T6024]  f2fs_sync_dirty_inodes+0x30e/0x830
[  426.085445][ T6024]  f2fs_write_checkpoint+0xa3d/0x2710
[  426.085465][ T6024]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  426.085494][ T6024]  kill_f2fs_super+0x2dd/0x700
[  426.085505][ T6024]  ? __pfx_kill_f2fs_super+0x10/0x10
[  426.085517][ T6024]  ? call_rcu+0x64b/0x8b0
[  426.085524][ T6024]  ? lockdep_hardirqs_on+0x7a/0x110
[  426.085539][ T6024]  deactivate_locked_super+0xbc/0x110
[  426.085551][ T6024]  cleanup_mnt+0x3d3/0x460
[  426.085561][ T6024]  task_work_run+0x1d9/0x270
[  426.085569][ T6024]  ? __pfx_task_work_run+0x10/0x10
[  426.085580][ T6024]  exit_to_user_mode_loop+0x1fa/0x730
[  426.085589][ T6024]  ? rcu_is_watching+0x15/0xb0
[  426.085597][ T6024]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.085605][ T6024]  do_syscall_64+0x353/0x580
[  426.085613][ T6024]  ? trace_irq_disable+0x3b/0x140
[  426.085625][ T6024]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.085632][ T6024] RIP: 0033:0x7f7f7319f257
[  426.085641][ T6024] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  426.085647][ T6024] RSP: 002b:00007ffd3209ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  426.085656][ T6024] RAX: 0000000000000000 RBX: 00007f7f7323445c RCX: 00007f7f7319f257
[  426.085662][ T6024] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd320a0000
[  426.085666][ T6024] RBP: 00007ffd320a0000 R08: 00007ffd320a1000 R09: 00000000ffffffff
[  426.085672][ T6024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd320a1090
[  426.085676][ T6024] R13: 00007f7f7323445c R14: 0000000000067fd9 R15: 00007ffd320a10d0
[  426.085688][ T6024]  </TASK>
[  426.085692][ T6024] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  426.167708][T10260] loop1: detected capacity change from 0 to 40427
[  426.246064][T10260] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  426.269017][T10260] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  426.279463][T10262] loop2: detected capacity change from 0 to 40427
[  426.283628][T10262] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  426.286449][T10262] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  426.389971][T10262] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  426.391414][T10260] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  426.402456][T10260] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  426.406284][T10260] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  426.412030][   T34] audit: type=1800 audit(1785602865.402:1970): pid=10260 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.1001" name="file1" dev="loop1" ino=10 res=0 errno=0
[  426.420860][T10260] syz.1.1001: attempt to access beyond end of device
[  426.420860][T10260] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  426.422393][T10262] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  426.430901][T10260] syz.1.1001: attempt to access beyond end of device
[  426.430901][T10260] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  426.440592][   T34] audit: type=1800 audit(1785602865.402:1971): pid=10260 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.1001" name="file1" dev="loop1" ino=10 res=0 errno=0
[  426.445417][T10262] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  426.456090][ T6026] syz-executor: attempt to access beyond end of device
[  426.456090][ T6026] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  426.476414][   T34] audit: type=1800 audit(1785602865.472:1972): pid=10262 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.1002" name="file1" dev="loop2" ino=10 res=0 errno=0
[  426.479369][ T6026] CPU: 0 UID: 0 PID: 6026 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  426.479390][ T6026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  426.479399][ T6026] Call Trace:
[  426.479406][ T6026]  <TASK>
[  426.479412][ T6026]  dump_stack_lvl+0xe8/0x150
[  426.479436][ T6026]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  426.479459][ T6026]  f2fs_write_end_io+0x124b/0x1710
[  426.479487][ T6026]  __submit_merged_bio+0x258/0x6a0
[  426.479504][ T6026]  ? rcu_is_watching+0x15/0xb0
[  426.479523][ T6026]  __submit_merged_write_cond+0x3c9/0x4e0
[  426.479547][ T6026]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  426.479582][ T6026]  f2fs_write_data_pages+0x2a27/0x36f0
[  426.479620][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  426.479664][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  426.479678][ T6026]  ? __bfs+0x153/0x290
[  426.479692][ T6026]  ? __pfx_hlock_conflict+0x10/0x10
[  426.479717][ T6026]  ? lockdep_unlock+0x5d/0xd0
[  426.479732][ T6026]  ? __lock_acquire+0x13e8/0x2cf0
[  426.479765][ T6026]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  426.479780][ T6026]  do_writepages+0x338/0x560
[  426.479804][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  426.479822][ T6026]  filemap_fdatawrite+0x1e9/0x2f0
[  426.479862][ T6026]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  426.479913][ T6026]  ? do_raw_spin_unlock+0x4d/0x210
[  426.479930][ T6026]  f2fs_sync_dirty_inodes+0x30e/0x830
[  426.479955][ T6026]  f2fs_write_checkpoint+0xa3d/0x2710
[  426.479991][ T6026]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  426.480044][ T6026]  kill_f2fs_super+0x2dd/0x700
[  426.480066][ T6026]  ? __pfx_kill_f2fs_super+0x10/0x10
[  426.480087][ T6026]  ? call_rcu+0x64b/0x8b0
[  426.480100][ T6026]  ? lockdep_hardirqs_on+0x7a/0x110
[  426.480126][ T6026]  deactivate_locked_super+0xbc/0x110
[  426.480148][ T6026]  cleanup_mnt+0x3d3/0x460
[  426.480164][ T6026]  task_work_run+0x1d9/0x270
[  426.480180][ T6026]  ? __pfx_task_work_run+0x10/0x10
[  426.480199][ T6026]  exit_to_user_mode_loop+0x1fa/0x730
[  426.480243][ T6026]  ? rcu_is_watching+0x15/0xb0
[  426.480263][ T6026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.480278][ T6026]  do_syscall_64+0x353/0x580
[  426.480290][ T6026]  ? trace_irq_disable+0x3b/0x140
[  426.480306][ T6026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.480315][ T6026] RIP: 0033:0x7fecc479f257
[  426.480328][ T6026] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  426.480337][ T6026] RSP: 002b:00007ffecf299668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  426.480352][ T6026] RAX: 0000000000000000 RBX: 00007fecc483445c RCX: 00007fecc479f257
[  426.480359][ T6026] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecf299720
[  426.480367][ T6026] RBP: 00007ffecf299720 R08: 00007ffecf29a720 R09: 00000000ffffffff
[  426.480376][ T6026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecf29a7b0
[  426.480384][ T6026] R13: 00007fecc483445c R14: 0000000000068145 R15: 00007ffecf29a7f0
[  426.480405][ T6026]  </TASK>
[  426.482328][ T6026] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  426.598417][   T34] audit: type=1800 audit(1785602865.582:1973): pid=10262 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.1002" name="file1" dev="loop2" ino=10 res=0 errno=0
[  426.617408][ T6025] syz-executor: attempt to access beyond end of device
[  426.617408][ T6025] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  426.628251][ T6025] CPU: 1 UID: 0 PID: 6025 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  426.628265][ T6025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  426.628270][ T6025] Call Trace:
[  426.628274][ T6025]  <TASK>
[  426.628278][ T6025]  dump_stack_lvl+0xe8/0x150
[  426.628300][ T6025]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  426.628314][ T6025]  f2fs_write_end_io+0x124b/0x1710
[  426.628330][ T6025]  __submit_merged_bio+0x258/0x6a0
[  426.628341][ T6025]  ? rcu_is_watching+0x15/0xb0
[  426.628351][ T6025]  __submit_merged_write_cond+0x3c9/0x4e0
[  426.628365][ T6025]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  426.628384][ T6025]  f2fs_write_data_pages+0x2a27/0x36f0
[  426.628392][ T6025]  ? __lock_acquire+0x683/0x2cf0
[  426.628415][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  426.628440][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  426.628446][ T6025]  ? __bfs+0x153/0x290
[  426.628455][ T6025]  ? __pfx_hlock_conflict+0x10/0x10
[  426.628469][ T6025]  ? lockdep_unlock+0x5d/0xd0
[  426.628477][ T6025]  ? __lock_acquire+0x13e8/0x2cf0
[  426.628497][ T6025]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  426.628504][ T6025]  do_writepages+0x338/0x560
[  426.628519][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  426.628529][ T6025]  filemap_fdatawrite+0x1e9/0x2f0
[  426.628541][ T6025]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  426.628569][ T6025]  ? do_raw_spin_unlock+0x4d/0x210
[  426.628579][ T6025]  f2fs_sync_dirty_inodes+0x30e/0x830
[  426.628593][ T6025]  f2fs_write_checkpoint+0xa3d/0x2710
[  426.628614][ T6025]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  426.628643][ T6025]  kill_f2fs_super+0x2dd/0x700
[  426.628654][ T6025]  ? __pfx_kill_f2fs_super+0x10/0x10
[  426.628667][ T6025]  ? call_rcu+0x64b/0x8b0
[  426.628673][ T6025]  ? lockdep_hardirqs_on+0x7a/0x110
[  426.628688][ T6025]  deactivate_locked_super+0xbc/0x110
[  426.628700][ T6025]  cleanup_mnt+0x3d3/0x460
[  426.628710][ T6025]  task_work_run+0x1d9/0x270
[  426.628718][ T6025]  ? __pfx_task_work_run+0x10/0x10
[  426.628729][ T6025]  exit_to_user_mode_loop+0x1fa/0x730
[  426.628739][ T6025]  ? rcu_is_watching+0x15/0xb0
[  426.628746][ T6025]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.628754][ T6025]  do_syscall_64+0x353/0x580
[  426.628763][ T6025]  ? trace_irq_disable+0x3b/0x140
[  426.628774][ T6025]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.628781][ T6025] RIP: 0033:0x7f99c779f257
[  426.628790][ T6025] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[  426.628799][ T6025] RSP: 002b:00007ffc6876d628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  426.628808][ T6025] RAX: 0000000000000000 RBX: 00007f99c783445c RCX: 00007f99c779f257
[  426.628813][ T6025] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc6876d6e0
[  426.628818][ T6025] RBP: 00007ffc6876d6e0 R08: 00007ffc6876e6e0 R09: 00000000ffffffff
[  426.628823][ T6025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc6876e770
[  426.628827][ T6025] R13: 00007f99c783445c R14: 00000000000681ea R15: 00007ffc6876e7b0
[  426.628840][ T6025]  </TASK>
[  426.630927][ T6025] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  426.969767][T10271] loop0: detected capacity change from 0 to 40427
[  426.984138][T10271] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  426.992686][T10271] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock

[host] Command execution timed out after 6m0s