8][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  452.158618][ T6009] Call Trace:
[  452.158625][ T6009]  <TASK>
[  452.158632][ T6009]  dump_stack_lvl+0xe8/0x150
[  452.158658][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  452.158684][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  452.158718][ T6009]  __submit_merged_bio+0x258/0x6a0
[  452.158734][ T6009]  ? rcu_is_watching+0x15/0xb0
[  452.158760][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  452.158786][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  452.158820][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  452.158839][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  452.158883][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  452.158944][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  452.158956][ T6009]  ? __bfs+0x153/0x290
[  452.158973][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  452.158998][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  452.159014][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  452.159050][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  452.159072][ T6009]  do_writepages+0x338/0x560
[  452.159099][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  452.159120][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  452.159198][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  452.159277][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  452.159297][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  452.159328][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  452.159374][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  452.159434][ T6009]  kill_f2fs_super+0x2dd/0x700
[  452.159460][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  452.159490][ T6009]  ? call_rcu+0x64b/0x8b0
[  452.159504][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  452.159533][ T6009]  deactivate_locked_super+0xbc/0x110
[  452.159554][ T6009]  cleanup_mnt+0x3d3/0x460
[  452.159576][ T6009]  task_work_run+0x1d9/0x270
[  452.159601][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  452.159628][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  452.159644][ T6009]  ? rcu_is_watching+0x15/0xb0
[  452.159665][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.159679][ T6009]  do_syscall_64+0x353/0x580
[  452.159695][ T6009]  ? trace_irq_disable+0x3b/0x140
[  452.159715][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.159729][ T6009] RIP: 0033:0x7f93ab19f257
[  452.159743][ T6009] 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
[  452.159755][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  452.159769][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  452.159781][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  452.159789][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  452.159799][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  452.159808][ T6009] R13: 00007f93ab23445c R14: 000000000006e57f R15: 00007ffe34ed9950
[  452.159830][ T6009]  </TASK>
[  452.161037][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  452.516115][ T9534] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  452.522648][ T9534] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  452.649221][ T9534] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  452.668959][ T9534] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  452.675397][ T9534] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  452.681011][ T9536] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  452.688185][ T9536] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  452.734527][ T9536] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  452.740821][ T9536] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  452.743637][ T9536] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  452.760737][ T6008] CPU: 1 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  452.760762][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  452.760771][ T6008] Call Trace:
[  452.760778][ T6008]  <TASK>
[  452.760784][ T6008]  dump_stack_lvl+0xe8/0x150
[  452.760808][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  452.760831][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  452.760865][ T6008]  __submit_merged_bio+0x258/0x6a0
[  452.760881][ T6008]  ? rcu_is_watching+0x15/0xb0
[  452.760903][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  452.760926][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  452.760958][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  452.760977][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  452.761021][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  452.761069][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  452.761081][ T6008]  ? __bfs+0x153/0x290
[  452.761131][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  452.761155][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  452.761170][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  452.761203][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  452.761222][ T6008]  do_writepages+0x338/0x560
[  452.761267][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  452.761285][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  452.761328][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  452.761377][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  452.761396][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  452.761427][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  452.761470][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  452.761525][ T6008]  kill_f2fs_super+0x2dd/0x700
[  452.761553][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  452.761578][ T6008]  ? call_rcu+0x64b/0x8b0
[  452.761591][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  452.761618][ T6008]  deactivate_locked_super+0xbc/0x110
[  452.761640][ T6008]  cleanup_mnt+0x3d3/0x460
[  452.761657][ T6008]  task_work_run+0x1d9/0x270
[  452.761679][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  452.761701][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  452.761718][ T6008]  ? rcu_is_watching+0x15/0xb0
[  452.761737][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.761750][ T6008]  do_syscall_64+0x353/0x580
[  452.761764][ T6008]  ? trace_irq_disable+0x3b/0x140
[  452.761784][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.761796][ T6008] RIP: 0033:0x7f0b52f9f257
[  452.761810][ T6008] 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
[  452.761821][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  452.761836][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  452.761844][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  452.761851][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  452.761861][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  452.761870][ T6008] R13: 00007f0b5303445c R14: 000000000006e7de R15: 00007ffc40d2c290
[  452.761893][ T6008]  </TASK>
[  452.763056][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  452.763074][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  452.763083][ T6010] Call Trace:
[  452.763090][ T6010]  <TASK>
[  452.763096][ T6010]  dump_stack_lvl+0xe8/0x150
[  452.763153][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  452.763174][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  452.763231][ T6010]  __submit_merged_bio+0x258/0x6a0
[  452.763250][ T6010]  ? rcu_is_watching+0x15/0xb0
[  452.763275][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  452.763307][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  452.763345][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  452.763395][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  452.763452][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  452.763464][ T6010]  ? __bfs+0x153/0x290
[  452.763481][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  452.763509][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  452.763525][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  452.763565][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  452.763586][ T6010]  do_writepages+0x338/0x560
[  452.763614][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  452.763634][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  452.763656][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  452.763710][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  452.763729][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  452.763762][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  452.763804][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  452.763863][ T6010]  kill_f2fs_super+0x2dd/0x700
[  452.763887][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  452.763917][ T6010]  ? call_rcu+0x64b/0x8b0
[  452.763931][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  452.763959][ T6010]  deactivate_locked_super+0xbc/0x110
[  452.763979][ T6010]  cleanup_mnt+0x3d3/0x460
[  452.763996][ T6010]  task_work_run+0x1d9/0x270
[  452.764017][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  452.764042][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  452.764056][ T6010]  ? rcu_is_watching+0x15/0xb0
[  452.764075][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.764089][ T6010]  do_syscall_64+0x353/0x580
[  452.764134][ T6010]  ? trace_irq_disable+0x3b/0x140
[  452.764156][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  452.764168][ T6010] RIP: 0033:0x7f80fa79f257
[  452.764183][ T6010] 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
[  452.764195][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  452.764208][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  452.764217][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  452.764223][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  452.764230][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  452.764238][ T6010] R13: 00007f80fa83445c R14: 000000000006e7f6 R15: 00007ffdec351640
[  452.764259][ T6010]  </TASK>
[  452.825620][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  452.927488][ T9540] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  452.929150][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  452.929394][ T9540] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  453.007984][ T9540] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  453.086630][ T9540] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  453.090698][ T9540] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  453.162686][ T6009] CPU: 0 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  453.162709][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  453.162719][ T6009] Call Trace:
[  453.162726][ T6009]  <TASK>
[  453.162733][ T6009]  dump_stack_lvl+0xe8/0x150
[  453.162759][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  453.162781][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  453.162817][ T6009]  __submit_merged_bio+0x258/0x6a0
[  453.162834][ T6009]  ? rcu_is_watching+0x15/0xb0
[  453.162858][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  453.162889][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  453.162923][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  453.162969][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  453.163033][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  453.163047][ T6009]  ? __bfs+0x153/0x290
[  453.163110][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  453.163136][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  453.163150][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  453.163188][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  453.163208][ T6009]  do_writepages+0x338/0x560
[  453.163236][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  453.163255][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  453.163277][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  453.163318][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  453.163334][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  453.163360][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  453.163401][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  453.163460][ T6009]  kill_f2fs_super+0x2dd/0x700
[  453.163488][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  453.163517][ T6009]  ? call_rcu+0x64b/0x8b0
[  453.163530][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  453.163559][ T6009]  deactivate_locked_super+0xbc/0x110
[  453.163581][ T6009]  cleanup_mnt+0x3d3/0x460
[  453.163599][ T6009]  task_work_run+0x1d9/0x270
[  453.163620][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  453.163641][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  453.163657][ T6009]  ? rcu_is_watching+0x15/0xb0
[  453.163677][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.163692][ T6009]  do_syscall_64+0x353/0x580
[  453.163705][ T6009]  ? trace_irq_disable+0x3b/0x140
[  453.163725][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.163739][ T6009] RIP: 0033:0x7f93ab19f257
[  453.163753][ T6009] 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
[  453.163764][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  453.163778][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  453.163787][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  453.163796][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  453.163805][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  453.163814][ T6009] R13: 00007f93ab23445c R14: 000000000006e983 R15: 00007ffe34ed9950
[  453.163835][ T6009]  </TASK>
[  453.290576][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  453.763454][ T9546] set_capacity_and_notify: 4 callbacks suppressed
[  453.763469][ T9546] loop0: detected capacity change from 0 to 40427
[  453.776951][ T9546] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  453.779938][ T9546] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  453.871479][ T9546] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  453.891184][ T9546] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  453.898058][ T9546] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  453.908697][   T34] kauditd_printk_skb: 18 callbacks suppressed
[  453.908710][   T34] audit: type=1800 audit(1785658032.895:1646): pid=9546 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.840" name="file1" dev="loop0" ino=10 res=0 errno=0
[  453.923365][ T9550] loop1: detected capacity change from 0 to 40427
[  453.929585][ T9550] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  453.943530][ T9550] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  453.948248][   T34] audit: type=1800 audit(1785658032.915:1647): pid=9546 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.840" name="file1" dev="loop0" ino=10 res=0 errno=0
2026/08/02 08:07:12 executed programs: 832
[  453.974229][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  453.974250][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  453.974259][ T6008] Call Trace:
[  453.974265][ T6008]  <TASK>
[  453.974272][ T6008]  dump_stack_lvl+0xe8/0x150
[  453.974297][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  453.974320][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  453.974356][ T6008]  __submit_merged_bio+0x258/0x6a0
[  453.974373][ T6008]  ? rcu_is_watching+0x15/0xb0
[  453.974397][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  453.974421][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  453.974455][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  453.974501][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  453.974558][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  453.974571][ T6008]  ? __bfs+0x153/0x290
[  453.974588][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  453.974614][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  453.974630][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  453.974668][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  453.974688][ T6008]  do_writepages+0x338/0x560
[  453.974716][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  453.974734][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  453.974756][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  453.974815][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  453.974833][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  453.974865][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  453.974931][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  453.974993][ T6008]  kill_f2fs_super+0x2dd/0x700
[  453.975051][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  453.975079][ T6008]  ? call_rcu+0x64b/0x8b0
[  453.975097][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  453.975122][ T6008]  deactivate_locked_super+0xbc/0x110
[  453.975143][ T6008]  cleanup_mnt+0x3d3/0x460
[  453.975157][ T6008]  task_work_run+0x1d9/0x270
[  453.975178][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  453.975201][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  453.975216][ T6008]  ? rcu_is_watching+0x15/0xb0
[  453.975235][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.975250][ T6008]  do_syscall_64+0x353/0x580
[  453.975263][ T6008]  ? trace_irq_disable+0x3b/0x140
[  453.975281][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  453.975294][ T6008] RIP: 0033:0x7f0b52f9f257
[  453.975306][ T6008] 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
[  453.975316][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  453.975353][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  453.975361][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  453.975367][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  453.975376][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  453.975384][ T6008] R13: 00007f0b5303445c R14: 000000000006ec9a R15: 00007ffc40d2c290
[  453.975404][ T6008]  </TASK>
[  454.057228][ T9550] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  454.084904][ T9548] loop2: detected capacity change from 0 to 40427
[  454.103096][ T9550] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  454.107433][ T9548] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  454.107455][ T9548] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  454.109418][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  454.189170][ T9550] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  454.201468][   T34] audit: type=1800 audit(1785658033.185:1648): pid=9550 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.842" name="file1" dev="loop1" ino=10 res=0 errno=0
[  454.201882][ T9548] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  454.221648][ T9548] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  454.226156][ T9548] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  454.240236][   T34] audit: type=1800 audit(1785658033.205:1649): pid=9550 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.842" name="file1" dev="loop1" ino=10 res=0 errno=0
[  454.250837][   T34] audit: type=1800 audit(1785658033.225:1650): pid=9548 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.841" name="file1" dev="loop2" ino=10 res=0 errno=0
[  454.260565][   T34] audit: type=1800 audit(1785658033.225:1651): pid=9548 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.841" name="file1" dev="loop2" ino=10 res=0 errno=0
[  454.278130][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  454.278150][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  454.278159][ T6010] Call Trace:
[  454.278166][ T6010]  <TASK>
[  454.278173][ T6010]  dump_stack_lvl+0xe8/0x150
[  454.278197][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  454.278225][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  454.278259][ T6010]  __submit_merged_bio+0x258/0x6a0
[  454.278275][ T6010]  ? rcu_is_watching+0x15/0xb0
[  454.278309][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  454.278333][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  454.278363][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  454.278399][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  454.278440][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  454.278451][ T6010]  ? __bfs+0x153/0x290
[  454.278490][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  454.278514][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  454.278527][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  454.278560][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  454.278578][ T6010]  do_writepages+0x338/0x560
[  454.278608][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  454.278628][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  454.278649][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  454.278696][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  454.278715][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  454.278745][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  454.278780][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  454.278828][ T6010]  kill_f2fs_super+0x2dd/0x700
[  454.278849][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  454.278872][ T6010]  ? call_rcu+0x64b/0x8b0
[  454.278882][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  454.278903][ T6010]  deactivate_locked_super+0xbc/0x110
[  454.278920][ T6010]  cleanup_mnt+0x3d3/0x460
[  454.278934][ T6010]  task_work_run+0x1d9/0x270
[  454.278954][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  454.278976][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  454.278993][ T6010]  ? rcu_is_watching+0x15/0xb0
[  454.279042][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.279056][ T6010]  do_syscall_64+0x353/0x580
[  454.279072][ T6010]  ? trace_irq_disable+0x3b/0x140
[  454.279092][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.279106][ T6010] RIP: 0033:0x7f80fa79f257
[  454.279121][ T6010] 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
[  454.279132][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  454.279146][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  454.279157][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  454.279165][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  454.279172][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  454.279182][ T6010] R13: 00007f80fa83445c R14: 000000000006edcd R15: 00007ffdec351640
[  454.279205][ T6010]  </TASK>
[  454.279657][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  454.300693][ T6009] CPU: 0 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  454.300723][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  454.300733][ T6009] Call Trace:
[  454.300740][ T6009]  <TASK>
[  454.300746][ T6009]  dump_stack_lvl+0xe8/0x150
[  454.300771][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  454.300790][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  454.300823][ T6009]  __submit_merged_bio+0x258/0x6a0
[  454.300839][ T6009]  ? rcu_is_watching+0x15/0xb0
[  454.300863][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  454.300886][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  454.300920][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  454.300938][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  454.300981][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  454.301075][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  454.301088][ T6009]  ? __bfs+0x153/0x290
[  454.301103][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  454.301130][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  454.301145][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  454.301177][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  454.301206][ T6009]  do_writepages+0x338/0x560
[  454.301231][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  454.301249][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  454.301277][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  454.301324][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  454.301348][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  454.301378][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  454.301419][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  454.301474][ T6009]  kill_f2fs_super+0x2dd/0x700
[  454.301499][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  454.301528][ T6009]  ? call_rcu+0x64b/0x8b0
[  454.301541][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  454.301562][ T6009]  deactivate_locked_super+0xbc/0x110
[  454.301585][ T6009]  cleanup_mnt+0x3d3/0x460
[  454.301602][ T6009]  task_work_run+0x1d9/0x270
[  454.301624][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  454.301648][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  454.301665][ T6009]  ? rcu_is_watching+0x15/0xb0
[  454.301685][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.301700][ T6009]  do_syscall_64+0x353/0x580
[  454.301724][ T6009]  ? trace_irq_disable+0x3b/0x140
[  454.301742][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  454.301754][ T6009] RIP: 0033:0x7f93ab19f257
[  454.301768][ T6009] 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
[  454.301782][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  454.301822][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  454.301831][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  454.301840][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  454.301847][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  454.301855][ T6009] R13: 00007f93ab23445c R14: 000000000006ede2 R15: 00007ffe34ed9950
[  454.301873][ T6009]  </TASK>
[  454.306442][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  454.901710][ T9558] loop0: detected capacity change from 0 to 40427
[  454.914461][ T9558] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  454.923154][ T9558] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  455.036402][ T9558] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  455.048863][ T9558] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  455.065391][ T9558] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  455.078415][   T34] audit: type=1800 audit(1785658034.055:1652): pid=9558 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.843" name="file1" dev="loop0" ino=10 res=0 errno=0
[  455.095921][   T34] audit: type=1800 audit(1785658034.055:1653): pid=9558 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.843" name="file1" dev="loop0" ino=10 res=0 errno=0
[  455.118245][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  455.118268][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  455.118278][ T6008] Call Trace:
[  455.118285][ T6008]  <TASK>
[  455.118292][ T6008]  dump_stack_lvl+0xe8/0x150
[  455.118316][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  455.118337][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  455.118371][ T6008]  __submit_merged_bio+0x258/0x6a0
[  455.118386][ T6008]  ? rcu_is_watching+0x15/0xb0
[  455.118408][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  455.118458][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  455.118488][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  455.118504][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  455.118543][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  455.118590][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  455.118609][ T6008]  ? __bfs+0x153/0x290
[  455.118623][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  455.118647][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  455.118662][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  455.118695][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  455.118715][ T6008]  do_writepages+0x338/0x560
[  455.118741][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  455.118760][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  455.118781][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  455.118825][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  455.118845][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  455.118872][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  455.118911][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  455.118988][ T6008]  kill_f2fs_super+0x2dd/0x700
[  455.119014][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  455.119038][ T6008]  ? call_rcu+0x64b/0x8b0
[  455.119049][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  455.119074][ T6008]  deactivate_locked_super+0xbc/0x110
[  455.119095][ T6008]  cleanup_mnt+0x3d3/0x460
[  455.119114][ T6008]  task_work_run+0x1d9/0x270
[  455.119135][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  455.119158][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  455.119176][ T6008]  ? rcu_is_watching+0x15/0xb0
[  455.119195][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.119210][ T6008]  do_syscall_64+0x353/0x580
[  455.119225][ T6008]  ? trace_irq_disable+0x3b/0x140
[  455.119253][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.119264][ T6008] RIP: 0033:0x7f0b52f9f257
[  455.119276][ T6008] 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
[  455.119291][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  455.119305][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  455.119313][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  455.119320][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  455.119328][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  455.119336][ T6008] R13: 00007f0b5303445c R14: 000000000006f128 R15: 00007ffc40d2c290
[  455.119355][ T6008]  </TASK>
[  455.126168][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  455.159935][ T9562] loop1: detected capacity change from 0 to 40427
[  455.195772][ T9560] loop2: detected capacity change from 0 to 40427
[  455.199602][ T9562] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  455.239447][ T9560] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  455.250861][ T9562] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  455.277135][ T9560] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  455.368745][ T9562] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  455.384240][ T9562] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  455.394244][ T9562] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  455.394542][ T9560] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  455.409552][   T34] audit: type=1800 audit(1785658034.395:1654): pid=9562 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.845" name="file1" dev="loop1" ino=10 res=0 errno=0
[  455.420419][ T9560] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  455.428270][   T34] audit: type=1800 audit(1785658034.405:1655): pid=9562 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.845" name="file1" dev="loop1" ino=10 res=0 errno=0
[  455.429041][ T9560] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  455.449191][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  455.449207][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  455.449214][ T6009] Call Trace:
[  455.449218][ T6009]  <TASK>
[  455.449223][ T6009]  dump_stack_lvl+0xe8/0x150
[  455.449241][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  455.449255][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  455.449277][ T6009]  __submit_merged_bio+0x258/0x6a0
[  455.449288][ T6009]  ? rcu_is_watching+0x15/0xb0
[  455.449304][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  455.449319][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  455.449339][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  455.449370][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  455.449381][ T6009]  ? check_noncircular+0xda/0x150
[  455.449395][ T6009]  ? __pfx_usage_match+0x10/0x10
[  455.449406][ T6009]  ? __bfs+0x153/0x290
[  455.449416][ T6009]  ? __pfx_usage_match+0x10/0x10
[  455.449439][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  455.449448][ T6009]  ? __bfs+0x153/0x290
[  455.449462][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  455.449482][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  455.449496][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  455.449523][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  455.449541][ T6009]  do_writepages+0x338/0x560
[  455.449565][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  455.449580][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  455.449607][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  455.449650][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  455.449668][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  455.449704][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  455.449749][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  455.449805][ T6009]  kill_f2fs_super+0x2dd/0x700
[  455.449836][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  455.449863][ T6009]  ? call_rcu+0x64b/0x8b0
[  455.449879][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  455.449949][ T6009]  deactivate_locked_super+0xbc/0x110
[  455.449969][ T6009]  cleanup_mnt+0x3d3/0x460
[  455.449992][ T6009]  task_work_run+0x1d9/0x270
[  455.450018][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  455.450040][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  455.450059][ T6009]  ? rcu_is_watching+0x15/0xb0
[  455.450074][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.450085][ T6009]  do_syscall_64+0x353/0x580
[  455.450097][ T6009]  ? trace_irq_disable+0x3b/0x140
[  455.450114][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.450124][ T6009] RIP: 0033:0x7f93ab19f257
[  455.450143][ T6009] 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
[  455.450153][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  455.450169][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  455.450179][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  455.450192][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  455.450199][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  455.450206][ T6009] R13: 00007f93ab23445c R14: 000000000006f273 R15: 00007ffe34ed9950
[  455.450222][ T6009]  </TASK>
[  455.453547][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  455.585811][ T6010] CPU: 0 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  455.585832][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  455.585841][ T6010] Call Trace:
[  455.585847][ T6010]  <TASK>
[  455.585853][ T6010]  dump_stack_lvl+0xe8/0x150
[  455.585901][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  455.585950][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  455.585983][ T6010]  __submit_merged_bio+0x258/0x6a0
[  455.585999][ T6010]  ? rcu_is_watching+0x15/0xb0
[  455.586024][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  455.586049][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  455.586081][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  455.586098][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  455.586136][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  455.586194][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  455.586205][ T6010]  ? __bfs+0x153/0x290
[  455.586220][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  455.586243][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  455.586257][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  455.586291][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  455.586311][ T6010]  do_writepages+0x338/0x560
[  455.586339][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  455.586355][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  455.586376][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  455.586425][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  455.586442][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  455.586471][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  455.586509][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  455.586555][ T6010]  kill_f2fs_super+0x2dd/0x700
[  455.586582][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  455.586606][ T6010]  ? call_rcu+0x64b/0x8b0
[  455.586618][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  455.586640][ T6010]  deactivate_locked_super+0xbc/0x110
[  455.586660][ T6010]  cleanup_mnt+0x3d3/0x460
[  455.586677][ T6010]  task_work_run+0x1d9/0x270
[  455.586697][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  455.586722][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  455.586739][ T6010]  ? rcu_is_watching+0x15/0xb0
[  455.586757][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.586772][ T6010]  do_syscall_64+0x353/0x580
[  455.586786][ T6010]  ? trace_irq_disable+0x3b/0x140
[  455.586807][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  455.586819][ T6010] RIP: 0033:0x7f80fa79f257
[  455.586833][ T6010] 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
[  455.586844][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  455.586860][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  455.586870][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  455.586879][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  455.586887][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  455.586895][ T6010] R13: 00007f80fa83445c R14: 000000000006f29b R15: 00007ffdec351640
[  455.586954][ T6010]  </TASK>
[  455.587004][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  455.954790][ T9570] loop0: detected capacity change from 0 to 40427
[  455.964873][ T9570] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  455.981718][ T9570] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  456.069992][ T9570] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  456.087245][ T9570] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  456.089704][ T9570] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  456.099727][ T9570] bio_check_eod: 29 callbacks suppressed
[  456.099741][ T9570] syz.0.846: attempt to access beyond end of device
[  456.099741][ T9570] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  456.115783][ T9570] syz.0.846: attempt to access beyond end of device
[  456.115783][ T9570] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  456.127645][ T6008] syz-executor: attempt to access beyond end of device
[  456.127645][ T6008] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  456.136338][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  456.136352][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  456.136357][ T6008] Call Trace:
[  456.136363][ T6008]  <TASK>
[  456.136367][ T6008]  dump_stack_lvl+0xe8/0x150
[  456.136385][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  456.136400][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  456.136425][ T6008]  __submit_merged_bio+0x258/0x6a0
[  456.136436][ T6008]  ? rcu_is_watching+0x15/0xb0
[  456.136451][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  456.136466][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  456.136488][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  456.136499][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  456.136526][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  456.136559][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  456.136566][ T6008]  ? __bfs+0x153/0x290
[  456.136576][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  456.136660][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  456.136674][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  456.136698][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  456.136712][ T6008]  do_writepages+0x338/0x560
[  456.136730][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  456.136742][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  456.136755][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  456.136788][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  456.136827][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  456.136847][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  456.136913][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  456.136967][ T6008]  kill_f2fs_super+0x2dd/0x700
[  456.136985][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  456.137003][ T6008]  ? call_rcu+0x64b/0x8b0
[  456.137010][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  456.137028][ T6008]  deactivate_locked_super+0xbc/0x110
[  456.137042][ T6008]  cleanup_mnt+0x3d3/0x460
[  456.137053][ T6008]  task_work_run+0x1d9/0x270
[  456.137068][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  456.137085][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  456.137096][ T6008]  ? rcu_is_watching+0x15/0xb0
[  456.137109][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.137129][ T6008]  do_syscall_64+0x353/0x580
[  456.137139][ T6008]  ? trace_irq_disable+0x3b/0x140
[  456.137152][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.137160][ T6008] RIP: 0033:0x7f0b52f9f257
[  456.137170][ T6008] 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
[  456.137177][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  456.137187][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  456.137193][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  456.137198][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  456.137204][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  456.137209][ T6008] R13: 00007f0b5303445c R14: 000000000006f51c R15: 00007ffc40d2c290
[  456.137223][ T6008]  </TASK>
[  456.139758][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  456.307934][ T9572] loop1: detected capacity change from 0 to 40427
[  456.314259][ T9572] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  456.318606][ T9572] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  456.442785][ T9572] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  456.460504][ T9572] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  456.473735][ T9572] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  456.477786][ T9576] loop2: detected capacity change from 0 to 40427
[  456.485095][ T9576] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  456.491057][ T9576] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  456.492025][ T9572] syz.1.847: attempt to access beyond end of device
[  456.492025][ T9572] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  456.514218][ T9572] syz.1.847: attempt to access beyond end of device
[  456.514218][ T9572] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  456.544127][ T6009] syz-executor: attempt to access beyond end of device
[  456.544127][ T6009] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  456.564616][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  456.564638][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  456.564678][ T6009] Call Trace:
[  456.564684][ T6009]  <TASK>
[  456.564689][ T6009]  dump_stack_lvl+0xe8/0x150
[  456.564715][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  456.564739][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  456.564775][ T6009]  __submit_merged_bio+0x258/0x6a0
[  456.564792][ T6009]  ? rcu_is_watching+0x15/0xb0
[  456.564824][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  456.564878][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  456.564911][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  456.564964][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  456.565013][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  456.565027][ T6009]  ? __bfs+0x153/0x290
[  456.565043][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  456.565070][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  456.565091][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  456.565127][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  456.565147][ T6009]  do_writepages+0x338/0x560
[  456.565173][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  456.565190][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  456.565212][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  456.565265][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  456.565285][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  456.565318][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  456.565362][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  456.565420][ T6009]  kill_f2fs_super+0x2dd/0x700
[  456.565446][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  456.565474][ T6009]  ? call_rcu+0x64b/0x8b0
[  456.565486][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  456.565512][ T6009]  deactivate_locked_super+0xbc/0x110
[  456.565532][ T6009]  cleanup_mnt+0x3d3/0x460
[  456.565551][ T6009]  task_work_run+0x1d9/0x270
[  456.565573][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  456.565600][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  456.565619][ T6009]  ? rcu_is_watching+0x15/0xb0
[  456.565640][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.565655][ T6009]  do_syscall_64+0x353/0x580
[  456.565671][ T6009]  ? trace_irq_disable+0x3b/0x140
[  456.565694][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.565709][ T6009] RIP: 0033:0x7f93ab19f257
[  456.565724][ T6009] 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
[  456.565736][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  456.565752][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  456.565761][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  456.565770][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  456.565781][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  456.565790][ T6009] R13: 00007f93ab23445c R14: 000000000006f6b3 R15: 00007ffe34ed9950
[  456.565813][ T6009]  </TASK>
[  456.576457][ T9576] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  456.592109][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  456.599045][ T9576] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  456.685010][ T9576] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  456.699190][ T9576] syz.2.848: attempt to access beyond end of device
[  456.699190][ T9576] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  456.709038][ T9576] syz.2.848: attempt to access beyond end of device
[  456.709038][ T9576] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  456.737955][ T6010] syz-executor: attempt to access beyond end of device
[  456.737955][ T6010] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  456.759808][ T6010] CPU: 0 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  456.759828][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  456.759870][ T6010] Call Trace:
[  456.759877][ T6010]  <TASK>
[  456.759883][ T6010]  dump_stack_lvl+0xe8/0x150
[  456.759908][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  456.759930][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  456.759962][ T6010]  __submit_merged_bio+0x258/0x6a0
[  456.759978][ T6010]  ? rcu_is_watching+0x15/0xb0
[  456.760002][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  456.760027][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  456.760068][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  456.760115][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  456.760166][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  456.760179][ T6010]  ? __bfs+0x153/0x290
[  456.760196][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  456.760223][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  456.760237][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  456.760270][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  456.760290][ T6010]  do_writepages+0x338/0x560
[  456.760316][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  456.760335][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  456.760357][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  456.760431][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  456.760450][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  456.760480][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  456.760524][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  456.760581][ T6010]  kill_f2fs_super+0x2dd/0x700
[  456.760606][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  456.760633][ T6010]  ? call_rcu+0x64b/0x8b0
[  456.760645][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  456.760669][ T6010]  deactivate_locked_super+0xbc/0x110
[  456.760691][ T6010]  cleanup_mnt+0x3d3/0x460
[  456.760710][ T6010]  task_work_run+0x1d9/0x270
[  456.760733][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  456.760761][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  456.760778][ T6010]  ? rcu_is_watching+0x15/0xb0
[  456.760798][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.760813][ T6010]  do_syscall_64+0x353/0x580
[  456.760828][ T6010]  ? trace_irq_disable+0x3b/0x140
[  456.760879][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  456.760893][ T6010] RIP: 0033:0x7f80fa79f257
[  456.760907][ T6010] 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
[  456.760918][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  456.760934][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  456.760945][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  456.760955][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  456.760965][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  456.760972][ T6010] R13: 00007f80fa83445c R14: 000000000006f767 R15: 00007ffdec351640
[  456.760994][ T6010]  </TASK>
[  456.764910][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  457.057607][ T9582] loop0: detected capacity change from 0 to 40427
[  457.060909][ T9582] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  457.063463][ T9582] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  457.158030][ T9582] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  457.173729][ T9582] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  457.180272][ T9582] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  457.213116][ T9582] syz.0.849: attempt to access beyond end of device
[  457.213116][ T9582] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  457.243778][ T6008] CPU: 1 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  457.243838][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  457.243848][ T6008] Call Trace:
[  457.243857][ T6008]  <TASK>
[  457.243864][ T6008]  dump_stack_lvl+0xe8/0x150
[  457.243893][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  457.243919][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  457.243957][ T6008]  __submit_merged_bio+0x258/0x6a0
[  457.243977][ T6008]  ? rcu_is_watching+0x15/0xb0
[  457.244004][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  457.244055][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  457.244093][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  457.244143][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  457.244197][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  457.244210][ T6008]  ? __bfs+0x153/0x290
[  457.244227][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  457.244256][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  457.244274][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  457.244311][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  457.244329][ T6008]  do_writepages+0x338/0x560
[  457.244355][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  457.244374][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  457.244397][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  457.244444][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  457.244464][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  457.244494][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  457.244539][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  457.244606][ T6008]  kill_f2fs_super+0x2dd/0x700
[  457.244635][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  457.244666][ T6008]  ? call_rcu+0x64b/0x8b0
[  457.244679][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  457.244704][ T6008]  deactivate_locked_super+0xbc/0x110
[  457.244725][ T6008]  cleanup_mnt+0x3d3/0x460
[  457.244743][ T6008]  task_work_run+0x1d9/0x270
[  457.244766][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  457.244792][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  457.244843][ T6008]  ? rcu_is_watching+0x15/0xb0
[  457.244861][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.244877][ T6008]  do_syscall_64+0x353/0x580
[  457.244892][ T6008]  ? trace_irq_disable+0x3b/0x140
[  457.244914][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.244928][ T6008] RIP: 0033:0x7f0b52f9f257
[  457.244942][ T6008] 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
[  457.244953][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  457.244966][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  457.244975][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  457.244983][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  457.244991][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  457.245000][ T6008] R13: 00007f0b5303445c R14: 000000000006f978 R15: 00007ffc40d2c290
[  457.245021][ T6008]  </TASK>
[  457.368850][ T9584] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  457.372941][ T9584] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  457.377942][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  457.435063][ T6200] loop0: lost filesystem error report for type 5 error -108
[  457.463188][ T9584] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  457.473055][ T9584] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  457.477197][ T9584] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  457.507461][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  457.507483][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  457.507494][ T6009] Call Trace:
[  457.507502][ T6009]  <TASK>
[  457.507510][ T6009]  dump_stack_lvl+0xe8/0x150
[  457.507534][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  457.507557][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  457.507592][ T6009]  __submit_merged_bio+0x258/0x6a0
[  457.507608][ T6009]  ? rcu_is_watching+0x15/0xb0
[  457.507634][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  457.507661][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  457.507694][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  457.507736][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  457.507765][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  457.507777][ T6009]  ? __bfs+0x153/0x290
[  457.507823][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  457.507856][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  457.507867][ T6009]  ? __bfs+0x153/0x290
[  457.507881][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  457.507907][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  457.507920][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  457.507959][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  457.507977][ T6009]  do_writepages+0x338/0x560
[  457.508004][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  457.508023][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  457.508051][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  457.508103][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  457.508120][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  457.508150][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  457.508193][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  457.508252][ T6009]  kill_f2fs_super+0x2dd/0x700
[  457.508277][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  457.508326][ T6009]  ? call_rcu+0x64b/0x8b0
[  457.508340][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  457.508364][ T6009]  deactivate_locked_super+0xbc/0x110
[  457.508383][ T6009]  cleanup_mnt+0x3d3/0x460
[  457.508402][ T6009]  task_work_run+0x1d9/0x270
[  457.508426][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  457.508453][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  457.508471][ T6009]  ? rcu_is_watching+0x15/0xb0
[  457.508492][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.508508][ T6009]  do_syscall_64+0x353/0x580
[  457.508524][ T6009]  ? trace_irq_disable+0x3b/0x140
[  457.508544][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.508557][ T6009] RIP: 0033:0x7f93ab19f257
[  457.508572][ T6009] 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
[  457.508583][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  457.508603][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  457.508613][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  457.508622][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  457.508631][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  457.508640][ T6009] R13: 00007f93ab23445c R14: 000000000006fa7d R15: 00007ffe34ed9950
[  457.508665][ T6009]  </TASK>
[  457.520495][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  457.833548][ T9589] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  457.844826][ T9589] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  457.926021][ T9589] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  457.936394][ T9589] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  457.941910][ T9589] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  457.972854][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  457.972878][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  457.972887][ T6010] Call Trace:
[  457.972894][ T6010]  <TASK>
[  457.972901][ T6010]  dump_stack_lvl+0xe8/0x150
[  457.972951][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  457.972983][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  457.973017][ T6010]  __submit_merged_bio+0x258/0x6a0
[  457.973035][ T6010]  ? rcu_is_watching+0x15/0xb0
[  457.973059][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  457.973081][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  457.973114][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  457.973132][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  457.973170][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  457.973216][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  457.973229][ T6010]  ? __bfs+0x153/0x290
[  457.973244][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  457.973270][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  457.973283][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  457.973320][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  457.973340][ T6010]  do_writepages+0x338/0x560
[  457.973366][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  457.973385][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  457.973407][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  457.973459][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  457.973477][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  457.973509][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  457.973554][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  457.973614][ T6010]  kill_f2fs_super+0x2dd/0x700
[  457.973642][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  457.973670][ T6010]  ? call_rcu+0x64b/0x8b0
[  457.973683][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  457.973706][ T6010]  deactivate_locked_super+0xbc/0x110
[  457.973728][ T6010]  cleanup_mnt+0x3d3/0x460
[  457.973746][ T6010]  task_work_run+0x1d9/0x270
[  457.973801][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  457.973828][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  457.973847][ T6010]  ? rcu_is_watching+0x15/0xb0
[  457.973867][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.973888][ T6010]  do_syscall_64+0x353/0x580
[  457.973903][ T6010]  ? trace_irq_disable+0x3b/0x140
[  457.973925][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  457.973939][ T6010] RIP: 0033:0x7f80fa79f257
[  457.973953][ T6010] 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
[  457.973971][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  457.973986][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  457.973996][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  457.974004][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  457.974014][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  457.974023][ T6010] R13: 00007f80fa83445c R14: 000000000006fc52 R15: 00007ffdec351640
[  457.974046][ T6010]  </TASK>
[  458.098543][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  458.124505][ T9592] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  458.127124][ T9592] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  458.232063][ T9592] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  458.239202][ T9592] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  458.242268][ T9592] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  458.280036][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  458.280051][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  458.280057][ T6008] Call Trace:
[  458.280062][ T6008]  <TASK>
[  458.280066][ T6008]  dump_stack_lvl+0xe8/0x150
[  458.280084][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  458.280098][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  458.280119][ T6008]  __submit_merged_bio+0x258/0x6a0
[  458.280130][ T6008]  ? rcu_is_watching+0x15/0xb0
[  458.280145][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  458.280159][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  458.280179][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  458.280190][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  458.280216][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  458.280246][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  458.280253][ T6008]  ? __bfs+0x153/0x290
[  458.280263][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  458.280278][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  458.280287][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  458.280309][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  458.280321][ T6008]  do_writepages+0x338/0x560
[  458.280337][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  458.280348][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  458.280362][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  458.280392][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  458.280402][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  458.280421][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  458.280447][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  458.280480][ T6008]  kill_f2fs_super+0x2dd/0x700
[  458.280497][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  458.280514][ T6008]  ? call_rcu+0x64b/0x8b0
[  458.280523][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  458.280540][ T6008]  deactivate_locked_super+0xbc/0x110
[  458.280554][ T6008]  cleanup_mnt+0x3d3/0x460
[  458.280564][ T6008]  task_work_run+0x1d9/0x270
[  458.280579][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  458.280595][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  458.280606][ T6008]  ? rcu_is_watching+0x15/0xb0
[  458.280619][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.280628][ T6008]  do_syscall_64+0x353/0x580
[  458.280637][ T6008]  ? trace_irq_disable+0x3b/0x140
[  458.280650][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.280658][ T6008] RIP: 0033:0x7f0b52f9f257
[  458.280667][ T6008] 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
[  458.280675][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  458.280684][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  458.280690][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  458.280696][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  458.280701][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  458.280706][ T6008] R13: 00007f0b5303445c R14: 000000000006fd7e R15: 00007ffc40d2c290
[  458.280719][ T6008]  </TASK>
[  458.280723][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  458.487523][ T9596] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  458.498614][ T9596] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  458.560842][ T9600] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  458.566377][ T9600] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  458.572030][ T9596] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  458.588582][ T9596] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  458.607319][ T9596] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  458.632543][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  458.632558][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  458.632563][ T6009] Call Trace:
[  458.632568][ T6009]  <TASK>
[  458.632573][ T6009]  dump_stack_lvl+0xe8/0x150
[  458.632590][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  458.632604][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  458.632625][ T6009]  __submit_merged_bio+0x258/0x6a0
[  458.632635][ T6009]  ? rcu_is_watching+0x15/0xb0
[  458.632650][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  458.632664][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  458.632684][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  458.632753][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  458.632801][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  458.632808][ T6009]  ? __bfs+0x153/0x290
[  458.632819][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  458.632834][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  458.632843][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  458.632883][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  458.632900][ T6009]  do_writepages+0x338/0x560
[  458.632935][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  458.632954][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  458.632981][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  458.633033][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  458.633051][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  458.633089][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  458.633121][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  458.633159][ T6009]  kill_f2fs_super+0x2dd/0x700
[  458.633175][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  458.633192][ T6009]  ? call_rcu+0x64b/0x8b0
[  458.633199][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  458.633218][ T6009]  deactivate_locked_super+0xbc/0x110
[  458.633232][ T6009]  cleanup_mnt+0x3d3/0x460
[  458.633248][ T6009]  task_work_run+0x1d9/0x270
[  458.633266][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  458.633286][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  458.633298][ T6009]  ? rcu_is_watching+0x15/0xb0
[  458.633311][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.633320][ T6009]  do_syscall_64+0x353/0x580
[  458.633329][ T6009]  ? trace_irq_disable+0x3b/0x140
[  458.633342][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.633351][ T6009] RIP: 0033:0x7f93ab19f257
[  458.633360][ T6009] 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
[  458.633367][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  458.633377][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  458.633382][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  458.633387][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  458.633393][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  458.633398][ T6009] R13: 00007f93ab23445c R14: 000000000006fee7 R15: 00007ffe34ed9950
[  458.633411][ T6009]  </TASK>
[  458.636145][ T9600] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  458.643585][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  458.646797][ T9600] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  458.752815][ T9600] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  458.783932][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  458.783947][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  458.783953][ T6010] Call Trace:
[  458.783958][ T6010]  <TASK>
[  458.783963][ T6010]  dump_stack_lvl+0xe8/0x150
[  458.783981][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  458.783995][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  458.784016][ T6010]  __submit_merged_bio+0x258/0x6a0
[  458.784026][ T6010]  ? rcu_is_watching+0x15/0xb0
[  458.784064][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  458.784079][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  458.784099][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  458.784129][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  458.784159][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  458.784166][ T6010]  ? __bfs+0x153/0x290
[  458.784177][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  458.784191][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  458.784200][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  458.784226][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  458.784239][ T6010]  do_writepages+0x338/0x560
[  458.784255][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  458.784266][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  458.784279][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  458.784310][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  458.784320][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  458.784339][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  458.784365][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  458.784400][ T6010]  kill_f2fs_super+0x2dd/0x700
[  458.784416][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  458.784433][ T6010]  ? call_rcu+0x64b/0x8b0
[  458.784440][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  458.784456][ T6010]  deactivate_locked_super+0xbc/0x110
[  458.784469][ T6010]  cleanup_mnt+0x3d3/0x460
[  458.784480][ T6010]  task_work_run+0x1d9/0x270
[  458.784494][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  458.784511][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  458.784521][ T6010]  ? rcu_is_watching+0x15/0xb0
[  458.784534][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.784543][ T6010]  do_syscall_64+0x353/0x580
[  458.784552][ T6010]  ? trace_irq_disable+0x3b/0x140
[  458.784565][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  458.784574][ T6010] RIP: 0033:0x7f80fa79f257
[  458.784583][ T6010] 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
[  458.784590][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  458.784600][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  458.784606][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  458.784611][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  458.784617][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  458.784622][ T6010] R13: 00007f80fa83445c R14: 000000000006ff7e R15: 00007ffdec351640
[  458.784635][ T6010]  </TASK>
[  458.901071][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  458.927394][ T9606] set_capacity_and_notify: 5 callbacks suppressed
[  458.927404][ T9606] loop0: detected capacity change from 0 to 40427
[  458.938009][ T9606] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  458.945308][ T9606] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  459.013956][ T9606] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  459.020325][ T9606] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  459.022773][ T9606] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  459.039226][ T6200] loop2: lost filesystem error report for type 5 error -108
[  459.049373][   T34] kauditd_printk_skb: 20 callbacks suppressed
[  459.049384][   T34] audit: type=1800 audit(1785658038.035:1676): pid=9606 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.855" name="file1" dev="loop0" ino=10 res=0 errno=0
[  459.089137][   T34] audit: type=1800 audit(1785658038.065:1677): pid=9606 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.855" name="file1" dev="loop0" ino=10 res=0 errno=0
[  459.126090][ T6008] CPU: 1 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  459.126104][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  459.126110][ T6008] Call Trace:
[  459.126114][ T6008]  <TASK>
[  459.126119][ T6008]  dump_stack_lvl+0xe8/0x150
[  459.126137][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  459.126151][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  459.126172][ T6008]  __submit_merged_bio+0x258/0x6a0
[  459.126201][ T6008]  ? rcu_is_watching+0x15/0xb0
[  459.126217][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  459.126232][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  459.126252][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  459.126264][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  459.126290][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.126320][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  459.126327][ T6008]  ? __bfs+0x153/0x290
[  459.126337][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  459.126352][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  459.126361][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  459.126383][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.126399][ T6008]  do_writepages+0x338/0x560
[  459.126416][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  459.126427][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  459.126441][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  459.126470][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  459.126481][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  459.126500][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  459.126529][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  459.126563][ T6008]  kill_f2fs_super+0x2dd/0x700
[  459.126580][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  459.126597][ T6008]  ? call_rcu+0x64b/0x8b0
[  459.126604][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
2026/08/02 08:07:18 executed programs: 847
[  459.126620][ T6008]  deactivate_locked_super+0xbc/0x110
[  459.126633][ T6008]  cleanup_mnt+0x3d3/0x460
[  459.126644][ T6008]  task_work_run+0x1d9/0x270
[  459.126659][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  459.126707][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  459.126721][ T6008]  ? rcu_is_watching+0x15/0xb0
[  459.126738][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.126752][ T6008]  do_syscall_64+0x353/0x580
[  459.126766][ T6008]  ? trace_irq_disable+0x3b/0x140
[  459.126783][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.126794][ T6008] RIP: 0033:0x7f0b52f9f257
[  459.126809][ T6008] 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
[  459.126823][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  459.126833][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  459.126839][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  459.126844][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  459.126850][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  459.126855][ T6008] R13: 00007f0b5303445c R14: 00000000000700c8 R15: 00007ffc40d2c290
[  459.126869][ T6008]  </TASK>
[  459.127307][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  459.475929][ T9610] loop1: detected capacity change from 0 to 40427
[  459.481174][ T9610] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  459.488409][ T9610] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  459.527183][ T9610] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  459.533304][ T9610] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  459.536324][ T9610] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  459.541626][   T34] audit: type=1800 audit(1785658038.525:1678): pid=9610 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.856" name="file1" dev="loop1" ino=10 res=0 errno=0
[  459.549518][   T34] audit: type=1800 audit(1785658038.535:1679): pid=9610 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.856" name="file1" dev="loop1" ino=10 res=0 errno=0
[  459.569501][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  459.569523][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  459.569532][ T6009] Call Trace:
[  459.569539][ T6009]  <TASK>
[  459.569545][ T6009]  dump_stack_lvl+0xe8/0x150
[  459.569570][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  459.569621][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  459.569688][ T6009]  __submit_merged_bio+0x258/0x6a0
[  459.569703][ T6009]  ? rcu_is_watching+0x15/0xb0
[  459.569728][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  459.569748][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  459.569781][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  459.569799][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  459.569839][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.569893][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  459.569905][ T6009]  ? __bfs+0x153/0x290
[  459.569920][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  459.569946][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  459.569962][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  459.570000][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.570021][ T6009]  do_writepages+0x338/0x560
[  459.570048][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  459.570068][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  459.570090][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  459.570142][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  459.570161][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  459.570194][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  459.570238][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  459.570299][ T6009]  kill_f2fs_super+0x2dd/0x700
[  459.570326][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  459.570351][ T6009]  ? call_rcu+0x64b/0x8b0
[  459.570363][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  459.570386][ T6009]  deactivate_locked_super+0xbc/0x110
[  459.570417][ T6009]  cleanup_mnt+0x3d3/0x460
[  459.570435][ T6009]  task_work_run+0x1d9/0x270
[  459.570457][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  459.570483][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  459.570501][ T6009]  ? rcu_is_watching+0x15/0xb0
[  459.570521][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.570534][ T6009]  do_syscall_64+0x353/0x580
[  459.570547][ T6009]  ? trace_irq_disable+0x3b/0x140
[  459.570566][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.570579][ T6009] RIP: 0033:0x7f93ab19f257
[  459.570594][ T6009] 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
[  459.570606][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  459.570622][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  459.570630][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  459.570638][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  459.570681][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  459.570690][ T6009] R13: 00007f93ab23445c R14: 000000000007028c R15: 00007ffe34ed9950
[  459.570712][ T6009]  </TASK>
[  459.570799][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  459.646703][ T9614] loop0: detected capacity change from 0 to 40427
[  459.690426][ T9612] loop2: detected capacity change from 0 to 40427
[  459.699300][ T9614] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  459.701027][ T9612] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  459.704969][ T9614] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  459.732327][ T9612] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  459.763552][ T9614] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  459.769304][ T9614] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  459.772111][ T9614] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  459.780658][   T34] audit: type=1800 audit(1785658038.765:1680): pid=9614 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.858" name="file1" dev="loop0" ino=10 res=0 errno=0
[  459.801219][   T34] audit: type=1800 audit(1785658038.775:1681): pid=9614 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.858" name="file1" dev="loop0" ino=10 res=0 errno=0
[  459.820381][ T9612] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  459.836410][ T9612] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  459.839495][ T9612] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  459.848385][   T34] audit: type=1800 audit(1785658038.825:1682): pid=9612 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.857" name="file1" dev="loop2" ino=10 res=0 errno=0
[  459.862453][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  459.862474][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  459.862483][ T6008] Call Trace:
[  459.862490][ T6008]  <TASK>
[  459.862497][ T6008]  dump_stack_lvl+0xe8/0x150
[  459.862520][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  459.862540][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  459.862570][ T6008]  __submit_merged_bio+0x258/0x6a0
[  459.862586][ T6008]  ? rcu_is_watching+0x15/0xb0
[  459.862610][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  459.862665][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  459.862697][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  459.862715][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  459.862752][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.862797][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  459.862810][ T6008]  ? __bfs+0x153/0x290
[  459.862824][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  459.862854][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  459.862868][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  459.862917][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.862935][ T6008]  do_writepages+0x338/0x560
[  459.862959][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  459.862975][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  459.862993][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  459.863034][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  459.863052][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  459.863081][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  459.863118][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  459.863167][ T6008]  kill_f2fs_super+0x2dd/0x700
[  459.863193][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  459.863220][ T6008]  ? call_rcu+0x64b/0x8b0
[  459.863232][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  459.863254][ T6008]  deactivate_locked_super+0xbc/0x110
[  459.863274][ T6008]  cleanup_mnt+0x3d3/0x460
[  459.863289][ T6008]  task_work_run+0x1d9/0x270
[  459.863314][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  459.863338][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  459.863354][ T6008]  ? rcu_is_watching+0x15/0xb0
[  459.863376][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.863394][ T6008]  do_syscall_64+0x353/0x580
[  459.863408][ T6008]  ? trace_irq_disable+0x3b/0x140
[  459.863426][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.863440][ T6008] RIP: 0033:0x7f0b52f9f257
[  459.863455][ T6008] 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
[  459.863467][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  459.863488][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  459.863496][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  459.863502][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  459.863508][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  459.863514][ T6008] R13: 00007f0b5303445c R14: 000000000007038c R15: 00007ffc40d2c290
[  459.863529][ T6008]  </TASK>
[  459.875698][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  459.878289][ T6010] CPU: 0 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  459.878312][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  459.878320][ T6010] Call Trace:
[  459.878326][ T6010]  <TASK>
[  459.878331][ T6010]  dump_stack_lvl+0xe8/0x150
[  459.878357][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  459.878380][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  459.878412][ T6010]  __submit_merged_bio+0x258/0x6a0
[  459.878430][ T6010]  ? rcu_is_watching+0x15/0xb0
[  459.878452][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  459.878474][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  459.878511][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  459.878553][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.878597][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  459.878608][ T6010]  ? __bfs+0x153/0x290
[  459.878655][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  459.878678][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  459.878692][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  459.878728][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  459.878746][ T6010]  do_writepages+0x338/0x560
[  459.878776][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  459.878793][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  459.878811][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  459.878861][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  459.878880][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  459.878914][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  459.878956][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  459.879012][ T6010]  kill_f2fs_super+0x2dd/0x700
[  459.879035][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  459.879059][ T6010]  ? call_rcu+0x64b/0x8b0
[  459.879069][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  459.879089][ T6010]  deactivate_locked_super+0xbc/0x110
[  459.879111][ T6010]  cleanup_mnt+0x3d3/0x460
[  459.879128][ T6010]  task_work_run+0x1d9/0x270
[  459.879150][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  459.879175][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  459.879190][ T6010]  ? rcu_is_watching+0x15/0xb0
[  459.879209][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.879225][ T6010]  do_syscall_64+0x353/0x580
[  459.879239][ T6010]  ? trace_irq_disable+0x3b/0x140
[  459.879258][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  459.879271][ T6010] RIP: 0033:0x7f80fa79f257
[  459.879287][ T6010] 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
[  459.879299][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  459.879315][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  459.879325][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  459.879334][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  459.879343][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  459.879349][ T6010] R13: 00007f80fa83445c R14: 00000000000703b6 R15: 00007ffdec351640
[  459.879369][ T6010]  </TASK>
[  459.879376][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  459.882280][   T34] audit: type=1800 audit(1785658038.835:1683): pid=9612 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.857" name="file1" dev="loop2" ino=10 res=0 errno=0
[  460.524306][ T9622] loop2: detected capacity change from 0 to 40427
[  460.535470][ T9622] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  460.541532][ T9622] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  460.627664][ T9622] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  460.633566][ T9622] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  460.636430][ T9622] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  460.640470][   T34] audit: type=1800 audit(1785658039.625:1684): pid=9622 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.861" name="file1" dev="loop2" ino=10 res=0 errno=0
[  460.658355][   T34] audit: type=1800 audit(1785658039.635:1685): pid=9622 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.861" name="file1" dev="loop2" ino=10 res=0 errno=0
[  460.669938][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  460.669959][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  460.669968][ T6010] Call Trace:
[  460.669975][ T6010]  <TASK>
[  460.669982][ T6010]  dump_stack_lvl+0xe8/0x150
[  460.670003][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  460.670058][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  460.670089][ T6010]  __submit_merged_bio+0x258/0x6a0
[  460.670104][ T6010]  ? rcu_is_watching+0x15/0xb0
[  460.670129][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  460.670154][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  460.670181][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  460.670200][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  460.670244][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  460.670287][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  460.670300][ T6010]  ? __bfs+0x153/0x290
[  460.670317][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  460.670344][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  460.670355][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  460.670390][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  460.670411][ T6010]  do_writepages+0x338/0x560
[  460.670437][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  460.670451][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  460.670473][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  460.670525][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  460.670538][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  460.670598][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  460.670644][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  460.670683][ T6010]  kill_f2fs_super+0x2dd/0x700
[  460.670711][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  460.670740][ T6010]  ? call_rcu+0x64b/0x8b0
[  460.670752][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  460.670768][ T6010]  deactivate_locked_super+0xbc/0x110
[  460.670787][ T6010]  cleanup_mnt+0x3d3/0x460
[  460.670798][ T6010]  task_work_run+0x1d9/0x270
[  460.670812][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  460.670834][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  460.670852][ T6010]  ? rcu_is_watching+0x15/0xb0
[  460.670873][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.670889][ T6010]  do_syscall_64+0x353/0x580
[  460.670906][ T6010]  ? trace_irq_disable+0x3b/0x140
[  460.670920][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.670928][ T6010] RIP: 0033:0x7f80fa79f257
[  460.670937][ T6010] 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
[  460.670945][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  460.670954][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  460.670960][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  460.670965][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  460.670971][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  460.670976][ T6010] R13: 00007f80fa83445c R14: 00000000000706cd R15: 00007ffdec351640
[  460.670989][ T6010]  </TASK>
[  460.671331][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  460.690673][ T9624] loop1: detected capacity change from 0 to 40427
[  460.778409][ T9626] loop0: detected capacity change from 0 to 40427
[  460.783844][ T9624] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  460.802356][ T9624] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  460.815178][ T9626] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  460.828393][ T9626] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  460.872968][ T9624] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  460.880616][ T9624] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  460.883456][ T9624] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  460.948505][ T9626] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  460.949208][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  460.949227][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  460.949236][ T6009] Call Trace:
[  460.949242][ T6009]  <TASK>
[  460.949248][ T6009]  dump_stack_lvl+0xe8/0x150
[  460.949274][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  460.949296][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  460.949332][ T6009]  __submit_merged_bio+0x258/0x6a0
[  460.949349][ T6009]  ? rcu_is_watching+0x15/0xb0
[  460.949374][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  460.949399][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  460.949434][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  460.949453][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  460.949497][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  460.949578][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  460.949592][ T6009]  ? __bfs+0x153/0x290
[  460.949608][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  460.949635][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  460.949651][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  460.949685][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  460.949707][ T6009]  do_writepages+0x338/0x560
[  460.949740][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  460.949764][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  460.949805][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  460.949854][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  460.949873][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  460.949903][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  460.949943][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  460.949992][ T6009]  kill_f2fs_super+0x2dd/0x700
[  460.950019][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  460.950048][ T6009]  ? call_rcu+0x64b/0x8b0
[  460.950061][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  460.950088][ T6009]  deactivate_locked_super+0xbc/0x110
[  460.950108][ T6009]  cleanup_mnt+0x3d3/0x460
[  460.950126][ T6009]  task_work_run+0x1d9/0x270
[  460.950147][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  460.950181][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  460.950199][ T6009]  ? rcu_is_watching+0x15/0xb0
[  460.950220][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.950235][ T6009]  do_syscall_64+0x353/0x580
[  460.950250][ T6009]  ? trace_irq_disable+0x3b/0x140
[  460.950272][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  460.950286][ T6009] RIP: 0033:0x7f93ab19f257
[  460.950301][ T6009] 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
[  460.950312][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  460.950328][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  460.950338][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  460.950347][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  460.950357][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  460.950366][ T6009] R13: 00007f93ab23445c R14: 00000000000707e9 R15: 00007ffe34ed9950
[  460.950390][ T6009]  </TASK>
[  460.950443][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  460.964334][ T9626] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  461.077116][ T9626] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  461.111803][ T9626] bio_check_eod: 35 callbacks suppressed
[  461.111819][ T9626] syz.0.860: attempt to access beyond end of device
[  461.111819][ T9626] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  461.139989][ T9626] syz.0.860: attempt to access beyond end of device
[  461.139989][ T9626] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  461.164644][ T6008] syz-executor: attempt to access beyond end of device
[  461.164644][ T6008] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  461.180411][ T6008] CPU: 1 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  461.180425][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  461.180431][ T6008] Call Trace:
[  461.180436][ T6008]  <TASK>
[  461.180440][ T6008]  dump_stack_lvl+0xe8/0x150
[  461.180457][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  461.180472][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  461.180495][ T6008]  __submit_merged_bio+0x258/0x6a0
[  461.180509][ T6008]  ? rcu_is_watching+0x15/0xb0
[  461.180525][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  461.180568][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  461.180590][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  461.180601][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  461.180629][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  461.180661][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  461.180669][ T6008]  ? __bfs+0x153/0x290
[  461.180679][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  461.180695][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  461.180705][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  461.180741][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  461.180754][ T6008]  do_writepages+0x338/0x560
[  461.180772][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  461.180784][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  461.180798][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  461.180831][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  461.180842][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  461.180862][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  461.180890][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  461.180927][ T6008]  kill_f2fs_super+0x2dd/0x700
[  461.180944][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  461.180962][ T6008]  ? call_rcu+0x64b/0x8b0
[  461.180970][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  461.180987][ T6008]  deactivate_locked_super+0xbc/0x110
[  461.181001][ T6008]  cleanup_mnt+0x3d3/0x460
[  461.181012][ T6008]  task_work_run+0x1d9/0x270
[  461.181029][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  461.181073][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  461.181090][ T6008]  ? rcu_is_watching+0x15/0xb0
[  461.181106][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.181115][ T6008]  do_syscall_64+0x353/0x580
[  461.181125][ T6008]  ? trace_irq_disable+0x3b/0x140
[  461.181139][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.181147][ T6008] RIP: 0033:0x7f0b52f9f257
[  461.181157][ T6008] 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
[  461.181168][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  461.181182][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  461.181189][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  461.181196][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  461.181202][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  461.181209][ T6008] R13: 00007f0b5303445c R14: 00000000000708cd R15: 00007ffc40d2c290
[  461.181239][ T6008]  </TASK>
[  461.181870][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  461.597295][ T9636] loop1: detected capacity change from 0 to 40427
[  461.600928][ T9634] loop2: detected capacity change from 0 to 40427
[  461.606150][ T9634] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  461.609882][ T9636] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  461.612587][ T9634] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  461.616148][ T9636] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  461.678490][ T9634] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  461.693044][ T9636] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  461.699204][ T9634] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  461.701827][ T9634] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  461.710256][ T9636] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  461.720908][ T9634] syz.2.862: attempt to access beyond end of device
[  461.720908][ T9634] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  461.726773][ T9636] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  461.736159][ T9634] syz.2.862: attempt to access beyond end of device
[  461.736159][ T9634] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  461.745159][ T9636] syz.1.863: attempt to access beyond end of device
[  461.745159][ T9636] loop1: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  461.756028][ T9636] syz.1.863: attempt to access beyond end of device
[  461.756028][ T9636] loop1: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  461.762606][ T6010] syz-executor: attempt to access beyond end of device
[  461.762606][ T6010] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  461.768757][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  461.768775][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  461.768782][ T6010] Call Trace:
[  461.768789][ T6010]  <TASK>
[  461.768795][ T6010]  dump_stack_lvl+0xe8/0x150
[  461.768817][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  461.768837][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  461.768866][ T6010]  __submit_merged_bio+0x258/0x6a0
[  461.768882][ T6010]  ? rcu_is_watching+0x15/0xb0
[  461.768904][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  461.768925][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  461.768952][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  461.768970][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  461.769009][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  461.769055][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  461.769067][ T6010]  ? __bfs+0x153/0x290
[  461.769083][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  461.769108][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  461.769123][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  461.769184][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  461.769206][ T6010]  do_writepages+0x338/0x560
[  461.769234][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  461.769253][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  461.769275][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  461.769334][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  461.769353][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  461.769385][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  461.769430][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  461.769516][ T6010]  kill_f2fs_super+0x2dd/0x700
[  461.769546][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  461.769574][ T6010]  ? call_rcu+0x64b/0x8b0
[  461.769587][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  461.769614][ T6010]  deactivate_locked_super+0xbc/0x110
[  461.769636][ T6010]  cleanup_mnt+0x3d3/0x460
[  461.769655][ T6010]  task_work_run+0x1d9/0x270
[  461.769678][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  461.769706][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  461.769723][ T6010]  ? rcu_is_watching+0x15/0xb0
[  461.769744][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.769760][ T6010]  do_syscall_64+0x353/0x580
[  461.769776][ T6010]  ? trace_irq_disable+0x3b/0x140
[  461.769796][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.769810][ T6010] RIP: 0033:0x7f80fa79f257
[  461.769825][ T6010] 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
[  461.769837][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  461.769852][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  461.769861][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  461.769870][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  461.769880][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  461.769889][ T6010] R13: 00007f80fa83445c R14: 0000000000070b1d R15: 00007ffdec351640
[  461.769913][ T6010]  </TASK>
[  461.770869][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  461.892154][ T9638] loop0: detected capacity change from 0 to 40427
[  461.904089][ T6009] syz-executor: attempt to access beyond end of device
[  461.904089][ T6009] loop1: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  461.914767][ T6009] CPU: 0 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  461.914788][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  461.914798][ T6009] Call Trace:
[  461.914804][ T6009]  <TASK>
[  461.914810][ T6009]  dump_stack_lvl+0xe8/0x150
[  461.914835][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  461.914855][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  461.914883][ T6009]  __submit_merged_bio+0x258/0x6a0
[  461.914899][ T6009]  ? rcu_is_watching+0x15/0xb0
[  461.914921][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  461.914943][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  461.914970][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  461.914988][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  461.915029][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  461.915077][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  461.915090][ T6009]  ? __bfs+0x153/0x290
[  461.915106][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  461.915135][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  461.915151][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  461.915193][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  461.915241][ T6009]  do_writepages+0x338/0x560
[  461.915270][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  461.915306][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  461.915325][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  461.915365][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  461.915379][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  461.915405][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  461.915438][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  461.915511][ T6009]  kill_f2fs_super+0x2dd/0x700
[  461.915533][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  461.915555][ T6009]  ? call_rcu+0x64b/0x8b0
[  461.915565][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  461.915586][ T6009]  deactivate_locked_super+0xbc/0x110
[  461.915603][ T6009]  cleanup_mnt+0x3d3/0x460
[  461.915620][ T6009]  task_work_run+0x1d9/0x270
[  461.915640][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  461.915665][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  461.915683][ T6009]  ? rcu_is_watching+0x15/0xb0
[  461.915701][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.915714][ T6009]  do_syscall_64+0x353/0x580
[  461.915731][ T6009]  ? trace_irq_disable+0x3b/0x140
[  461.915750][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  461.915763][ T6009] RIP: 0033:0x7f93ab19f257
[  461.915778][ T6009] 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
[  461.915789][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  461.915803][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  461.915812][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  461.915821][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  461.915828][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  461.915835][ T6009] R13: 00007f93ab23445c R14: 0000000000070b21 R15: 00007ffe34ed9950
[  461.915857][ T6009]  </TASK>
[  462.032256][ T9638] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  462.034554][ T9638] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  462.041822][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  462.088260][ T9638] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  462.099454][ T9638] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  462.101856][ T9638] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  462.111590][ T9638] syz.0.864: attempt to access beyond end of device
[  462.111590][ T9638] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  462.171690][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  462.171705][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  462.171711][ T6008] Call Trace:
[  462.171715][ T6008]  <TASK>
[  462.171719][ T6008]  dump_stack_lvl+0xe8/0x150
[  462.171737][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  462.171751][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  462.171772][ T6008]  __submit_merged_bio+0x258/0x6a0
[  462.171783][ T6008]  ? rcu_is_watching+0x15/0xb0
[  462.171798][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  462.171813][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  462.171833][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  462.171953][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  462.171986][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  462.171995][ T6008]  ? __bfs+0x153/0x290
[  462.172006][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  462.172021][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  462.172030][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  462.172052][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  462.172064][ T6008]  do_writepages+0x338/0x560
[  462.172086][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  462.172098][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  462.172111][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  462.172141][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  462.172152][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  462.172172][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  462.172198][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  462.172233][ T6008]  kill_f2fs_super+0x2dd/0x700
[  462.172251][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  462.172268][ T6008]  ? call_rcu+0x64b/0x8b0
[  462.172276][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  462.172292][ T6008]  deactivate_locked_super+0xbc/0x110
[  462.172305][ T6008]  cleanup_mnt+0x3d3/0x460
[  462.172316][ T6008]  task_work_run+0x1d9/0x270
[  462.172331][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  462.172347][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  462.172359][ T6008]  ? rcu_is_watching+0x15/0xb0
[  462.172372][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.172381][ T6008]  do_syscall_64+0x353/0x580
[  462.172391][ T6008]  ? trace_irq_disable+0x3b/0x140
[  462.172405][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.172413][ T6008] RIP: 0033:0x7f0b52f9f257
[  462.172427][ T6008] 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
[  462.172434][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  462.172444][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  462.172449][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  462.172455][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  462.172499][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  462.172505][ T6008] R13: 00007f0b5303445c R14: 0000000000070c89 R15: 00007ffc40d2c290
[  462.172519][ T6008]  </TASK>
[  462.172524][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  462.648804][ T9646] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  462.679547][ T9646] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  462.761859][ T9646] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  462.772224][ T9648] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  462.779154][ T9648] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  462.782940][ T9646] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  462.787768][ T9646] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  462.826544][ T9650] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  462.838363][ T9650] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  462.859446][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  462.859468][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  462.859477][ T6010] Call Trace:
[  462.859484][ T6010]  <TASK>
[  462.859491][ T6010]  dump_stack_lvl+0xe8/0x150
[  462.859514][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  462.859538][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  462.859571][ T6010]  __submit_merged_bio+0x258/0x6a0
[  462.859588][ T6010]  ? rcu_is_watching+0x15/0xb0
[  462.859613][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  462.859636][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  462.859677][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  462.859702][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  462.859746][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  462.859798][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  462.859810][ T6010]  ? __bfs+0x153/0x290
[  462.859827][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  462.859851][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  462.859864][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  462.859898][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  462.859916][ T6010]  do_writepages+0x338/0x560
[  462.859940][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  462.859955][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  462.859974][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  462.860025][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  462.860044][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  462.860074][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  462.860118][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  462.860192][ T6010]  kill_f2fs_super+0x2dd/0x700
[  462.860218][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  462.860245][ T6010]  ? call_rcu+0x64b/0x8b0
[  462.860258][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  462.860284][ T6010]  deactivate_locked_super+0xbc/0x110
[  462.860304][ T6010]  cleanup_mnt+0x3d3/0x460
[  462.860322][ T6010]  task_work_run+0x1d9/0x270
[  462.860345][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  462.860373][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  462.860391][ T6010]  ? rcu_is_watching+0x15/0xb0
[  462.860410][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.860461][ T6010]  do_syscall_64+0x353/0x580
[  462.860478][ T6010]  ? trace_irq_disable+0x3b/0x140
[  462.860498][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.860512][ T6010] RIP: 0033:0x7f80fa79f257
[  462.860527][ T6010] 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
[  462.860539][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  462.860554][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  462.860564][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  462.860573][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  462.860583][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  462.860591][ T6010] R13: 00007f80fa83445c R14: 0000000000070f52 R15: 00007ffdec351640
[  462.860628][ T6010]  </TASK>
[  462.860944][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  462.888221][ T9648] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  462.937118][ T9650] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  463.001218][ T9648] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  463.006712][ T9650] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  463.010174][ T9648] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  463.012958][ T9650] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  463.045201][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  463.045249][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  463.045258][ T6008] Call Trace:
[  463.045265][ T6008]  <TASK>
[  463.045272][ T6008]  dump_stack_lvl+0xe8/0x150
[  463.045296][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  463.045320][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  463.045353][ T6008]  __submit_merged_bio+0x258/0x6a0
[  463.045390][ T6008]  ? rcu_is_watching+0x15/0xb0
[  463.045439][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  463.045462][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  463.045484][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  463.045496][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  463.045523][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  463.045555][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  463.045563][ T6008]  ? __bfs+0x153/0x290
[  463.045573][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  463.045589][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  463.045600][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  463.045634][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  463.045662][ T6008]  do_writepages+0x338/0x560
[  463.045687][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  463.045705][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  463.045724][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  463.045769][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  463.045789][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  463.045813][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  463.045853][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  463.045910][ T6008]  kill_f2fs_super+0x2dd/0x700
[  463.045939][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  463.045967][ T6008]  ? call_rcu+0x64b/0x8b0
[  463.045983][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  463.046006][ T6008]  deactivate_locked_super+0xbc/0x110
[  463.046028][ T6008]  cleanup_mnt+0x3d3/0x460
[  463.046047][ T6008]  task_work_run+0x1d9/0x270
[  463.046069][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  463.046090][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  463.046106][ T6008]  ? rcu_is_watching+0x15/0xb0
[  463.046127][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.046140][ T6008]  do_syscall_64+0x353/0x580
[  463.046154][ T6008]  ? trace_irq_disable+0x3b/0x140
[  463.046174][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.046188][ T6008] RIP: 0033:0x7f0b52f9f257
[  463.046203][ T6008] 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
[  463.046215][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  463.046231][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  463.046241][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  463.046250][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  463.046260][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  463.046270][ T6008] R13: 00007f0b5303445c R14: 0000000000071018 R15: 00007ffc40d2c290
[  463.046292][ T6008]  </TASK>
[  463.175527][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  463.184159][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  463.184209][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  463.184218][ T6009] Call Trace:
[  463.184224][ T6009]  <TASK>
[  463.184230][ T6009]  dump_stack_lvl+0xe8/0x150
[  463.184254][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  463.184278][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  463.184313][ T6009]  __submit_merged_bio+0x258/0x6a0
[  463.184331][ T6009]  ? rcu_is_watching+0x15/0xb0
[  463.184355][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  463.184379][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  463.184443][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  463.184461][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  463.184487][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  463.184517][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  463.184524][ T6009]  ? __bfs+0x153/0x290
[  463.184534][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  463.184549][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  463.184558][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  463.184580][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  463.184592][ T6009]  do_writepages+0x338/0x560
[  463.184608][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  463.184619][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  463.184639][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  463.184669][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  463.184680][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  463.184699][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  463.184725][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  463.184760][ T6009]  kill_f2fs_super+0x2dd/0x700
[  463.184776][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  463.184793][ T6009]  ? call_rcu+0x64b/0x8b0
[  463.184800][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  463.184816][ T6009]  deactivate_locked_super+0xbc/0x110
[  463.184830][ T6009]  cleanup_mnt+0x3d3/0x460
[  463.184840][ T6009]  task_work_run+0x1d9/0x270
[  463.184854][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  463.184871][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  463.184882][ T6009]  ? rcu_is_watching+0x15/0xb0
[  463.184894][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.184904][ T6009]  do_syscall_64+0x353/0x580
[  463.184914][ T6009]  ? trace_irq_disable+0x3b/0x140
[  463.184927][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.184936][ T6009] RIP: 0033:0x7f93ab19f257
[  463.184945][ T6009] 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
[  463.184953][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  463.184963][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  463.184969][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  463.184974][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  463.184979][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  463.184985][ T6009] R13: 00007f93ab23445c R14: 000000000007103e R15: 00007ffe34ed9950
[  463.184998][ T6009]  </TASK>
[  463.295328][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  463.425516][ T9658] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  463.428472][ T9658] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  463.577891][ T9658] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  463.599161][ T9658] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  463.601960][ T9658] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  463.636251][ T6010] CPU: 0 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  463.636266][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  463.636272][ T6010] Call Trace:
[  463.636276][ T6010]  <TASK>
[  463.636281][ T6010]  dump_stack_lvl+0xe8/0x150
[  463.636298][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  463.636312][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  463.636334][ T6010]  __submit_merged_bio+0x258/0x6a0
[  463.636344][ T6010]  ? rcu_is_watching+0x15/0xb0
[  463.636360][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  463.636406][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  463.636426][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  463.636452][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  463.636482][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  463.636489][ T6010]  ? __bfs+0x153/0x290
[  463.636500][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  463.636515][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  463.636524][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  463.636551][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  463.636567][ T6010]  do_writepages+0x338/0x560
[  463.636591][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  463.636606][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  463.636624][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  463.636668][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  463.636705][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  463.636733][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  463.636772][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  463.636811][ T6010]  kill_f2fs_super+0x2dd/0x700
[  463.636827][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  463.636845][ T6010]  ? call_rcu+0x64b/0x8b0
[  463.636852][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  463.636868][ T6010]  deactivate_locked_super+0xbc/0x110
[  463.636883][ T6010]  cleanup_mnt+0x3d3/0x460
[  463.636894][ T6010]  task_work_run+0x1d9/0x270
[  463.636908][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  463.636924][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  463.636936][ T6010]  ? rcu_is_watching+0x15/0xb0
[  463.636949][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.636958][ T6010]  do_syscall_64+0x353/0x580
[  463.636967][ T6010]  ? trace_irq_disable+0x3b/0x140
[  463.636981][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  463.636989][ T6010] RIP: 0033:0x7f80fa79f257
[  463.636999][ T6010] 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
[  463.637007][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  463.637017][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  463.637023][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  463.637029][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  463.637034][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  463.637040][ T6010] R13: 00007f80fa83445c R14: 0000000000071271 R15: 00007ffdec351640
[  463.637053][ T6010]  </TASK>
[  463.645435][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  463.991188][ T9664] set_capacity_and_notify: 4 callbacks suppressed
[  463.991198][ T9664] loop0: detected capacity change from 0 to 40427
[  463.998591][ T9662] loop1: detected capacity change from 0 to 40427
[  464.002138][ T9662] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  464.004638][ T9664] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  464.007169][ T9662] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  464.009852][ T9664] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  464.089880][ T9662] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  464.099594][ T9664] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  464.107267][ T9662] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  464.109738][ T9662] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  464.114389][ T9664] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  464.117912][   T34] kauditd_printk_skb: 18 callbacks suppressed
[  464.117925][   T34] audit: type=1800 audit(1785658043.105:1704): pid=9662 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.870" name="file1" dev="loop1" ino=10 res=0 errno=0
[  464.117968][ T9664] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  464.130483][   T34] audit: type=1800 audit(1785658043.115:1705): pid=9662 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.870" name="file1" dev="loop1" ino=10 res=0 errno=0
[  464.145365][   T34] audit: type=1800 audit(1785658043.115:1706): pid=9664 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.869" name="file1" dev="loop0" ino=10 res=0 errno=0
[  464.152135][ T6008] CPU: 0 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  464.152157][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  464.152166][ T6008] Call Trace:
[  464.152173][ T6008]  <TASK>
[  464.152180][ T6008]  dump_stack_lvl+0xe8/0x150
[  464.152206][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  464.152230][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  464.152265][ T6008]  __submit_merged_bio+0x258/0x6a0
[  464.152282][ T6008]  ? rcu_is_watching+0x15/0xb0
[  464.152308][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  464.152362][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  464.152398][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  464.152417][ T6008]  ? __lock_acquire+0x683/0x2cf0
[  464.152461][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  464.152518][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  464.152530][ T6008]  ? __bfs+0x153/0x290
[  464.152546][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  464.152572][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  464.152587][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  464.152624][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
2026/08/02 08:07:23 executed programs: 861
[  464.152645][ T6008]  do_writepages+0x338/0x560
[  464.152671][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  464.152691][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  464.152736][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  464.152787][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  464.152806][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  464.152838][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  464.152882][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  464.152942][ T6008]  kill_f2fs_super+0x2dd/0x700
[  464.152969][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  464.152997][ T6008]  ? call_rcu+0x64b/0x8b0
[  464.153010][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  464.153042][ T6008]  deactivate_locked_super+0xbc/0x110
[  464.153063][ T6008]  cleanup_mnt+0x3d3/0x460
[  464.153082][ T6008]  task_work_run+0x1d9/0x270
[  464.153105][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  464.153133][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  464.153150][ T6008]  ? rcu_is_watching+0x15/0xb0
[  464.153170][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.153184][ T6008]  do_syscall_64+0x353/0x580
[  464.153199][ T6008]  ? trace_irq_disable+0x3b/0x140
[  464.153217][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.153228][ T6008] RIP: 0033:0x7f0b52f9f257
[  464.153241][ T6008] 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
[  464.153253][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  464.153268][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  464.153277][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  464.153286][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  464.153296][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  464.153305][ T6008] R13: 00007f0b5303445c R14: 0000000000071471 R15: 00007ffc40d2c290
[  464.153326][ T6008]  </TASK>
[  464.162087][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  464.183168][   T34] audit: type=1800 audit(1785658043.115:1707): pid=9664 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.869" name="file1" dev="loop0" ino=10 res=0 errno=0
[  464.290946][ T6009] CPU: 0 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  464.290966][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  464.290975][ T6009] Call Trace:
[  464.290981][ T6009]  <TASK>
[  464.290987][ T6009]  dump_stack_lvl+0xe8/0x150
[  464.291010][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  464.291031][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  464.291070][ T6009]  __submit_merged_bio+0x258/0x6a0
[  464.291085][ T6009]  ? rcu_is_watching+0x15/0xb0
[  464.291106][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  464.291126][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  464.291156][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  464.291174][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  464.291208][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  464.291254][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  464.291267][ T6009]  ? __bfs+0x153/0x290
[  464.291289][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  464.291312][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  464.291360][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  464.291410][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  464.291433][ T6009]  do_writepages+0x338/0x560
[  464.291458][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  464.291477][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  464.291497][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  464.291541][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  464.291559][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  464.291586][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  464.291624][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  464.291680][ T6009]  kill_f2fs_super+0x2dd/0x700
[  464.291712][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  464.291738][ T6009]  ? call_rcu+0x64b/0x8b0
[  464.291752][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  464.291780][ T6009]  deactivate_locked_super+0xbc/0x110
[  464.291806][ T6009]  cleanup_mnt+0x3d3/0x460
[  464.291823][ T6009]  task_work_run+0x1d9/0x270
[  464.291843][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  464.291866][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  464.291881][ T6009]  ? rcu_is_watching+0x15/0xb0
[  464.291900][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.291913][ T6009]  do_syscall_64+0x353/0x580
[  464.291927][ T6009]  ? trace_irq_disable+0x3b/0x140
[  464.291946][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.291958][ T6009] RIP: 0033:0x7f93ab19f257
[  464.291973][ T6009] 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
[  464.291986][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  464.292001][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  464.292011][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  464.292018][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  464.292028][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  464.292037][ T6009] R13: 00007f93ab23445c R14: 000000000007149c R15: 00007ffe34ed9950
[  464.292066][ T6009]  </TASK>
[  464.325460][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  464.538824][ T9670] loop2: detected capacity change from 0 to 40427
[  464.550428][ T9670] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  464.560114][ T9670] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  464.639432][ T9670] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  464.655438][ T9670] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  464.658509][ T9670] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  464.667642][   T34] audit: type=1800 audit(1785658043.655:1708): pid=9670 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.871" name="file1" dev="loop2" ino=10 res=0 errno=0
[  464.685421][   T34] audit: type=1800 audit(1785658043.655:1709): pid=9670 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.871" name="file1" dev="loop2" ino=10 res=0 errno=0
[  464.712216][ T6010] CPU: 0 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  464.712232][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  464.712238][ T6010] Call Trace:
[  464.712242][ T6010]  <TASK>
[  464.712247][ T6010]  dump_stack_lvl+0xe8/0x150
[  464.712264][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  464.712279][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  464.712325][ T6010]  __submit_merged_bio+0x258/0x6a0
[  464.712336][ T6010]  ? rcu_is_watching+0x15/0xb0
[  464.712352][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  464.712366][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  464.712387][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  464.712413][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  464.712443][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  464.712451][ T6010]  ? __bfs+0x153/0x290
[  464.712461][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  464.712476][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  464.712485][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  464.712507][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  464.712522][ T6010]  do_writepages+0x338/0x560
[  464.712539][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  464.712550][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  464.712564][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  464.712594][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  464.712605][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  464.712624][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  464.712649][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  464.712684][ T6010]  kill_f2fs_super+0x2dd/0x700
[  464.712700][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  464.712718][ T6010]  ? call_rcu+0x64b/0x8b0
[  464.712726][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  464.712742][ T6010]  deactivate_locked_super+0xbc/0x110
[  464.712756][ T6010]  cleanup_mnt+0x3d3/0x460
[  464.712766][ T6010]  task_work_run+0x1d9/0x270
[  464.712781][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  464.712797][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  464.712808][ T6010]  ? rcu_is_watching+0x15/0xb0
[  464.712821][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.712830][ T6010]  do_syscall_64+0x353/0x580
[  464.712839][ T6010]  ? trace_irq_disable+0x3b/0x140
[  464.712852][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  464.712861][ T6010] RIP: 0033:0x7f80fa79f257
[  464.712870][ T6010] 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
[  464.712878][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  464.712889][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  464.712895][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  464.712900][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  464.712905][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  464.712910][ T6010] R13: 00007f80fa83445c R14: 000000000007169a R15: 00007ffdec351640
[  464.712924][ T6010]  </TASK>
[  464.712928][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  464.821229][ T9674] loop1: detected capacity change from 0 to 40427
[  464.839365][ T9674] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  464.842167][ T9674] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  464.964762][ T9674] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  464.979239][ T9674] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  464.982181][ T9674] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  465.001874][   T34] audit: type=1800 audit(1785658043.985:1710): pid=9674 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.873" name="file1" dev="loop1" ino=10 res=0 errno=0
[  465.022950][   T34] audit: type=1800 audit(1785658043.995:1711): pid=9674 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.873" name="file1" dev="loop1" ino=10 res=0 errno=0
[  465.049576][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  465.049594][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  465.049601][ T6009] Call Trace:
[  465.049607][ T6009]  <TASK>
[  465.049612][ T6009]  dump_stack_lvl+0xe8/0x150
[  465.049637][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  465.049660][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  465.049690][ T6009]  __submit_merged_bio+0x258/0x6a0
[  465.049707][ T6009]  ? rcu_is_watching+0x15/0xb0
[  465.049731][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  465.049753][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  465.049784][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  465.049800][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  465.049836][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.049881][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  465.049894][ T6009]  ? __bfs+0x153/0x290
[  465.049911][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  465.049936][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  465.049949][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  465.049987][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.050005][ T6009]  do_writepages+0x338/0x560
[  465.050029][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  465.050044][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  465.050063][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  465.050106][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  465.050125][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  465.050152][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  465.050192][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  465.050254][ T6009]  kill_f2fs_super+0x2dd/0x700
[  465.050310][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  465.050334][ T6009]  ? call_rcu+0x64b/0x8b0
[  465.050346][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  465.050369][ T6009]  deactivate_locked_super+0xbc/0x110
[  465.050388][ T6009]  cleanup_mnt+0x3d3/0x460
[  465.050404][ T6009]  task_work_run+0x1d9/0x270
[  465.050425][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  465.050449][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  465.050465][ T6009]  ? rcu_is_watching+0x15/0xb0
[  465.050483][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.050496][ T6009]  do_syscall_64+0x353/0x580
[  465.050510][ T6009]  ? trace_irq_disable+0x3b/0x140
[  465.050529][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.050551][ T6009] RIP: 0033:0x7f93ab19f257
[  465.050564][ T6009] 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
[  465.050573][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  465.050586][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  465.050594][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  465.050599][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  465.050610][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  465.050616][ T6009] R13: 00007f93ab23445c R14: 00000000000717e1 R15: 00007ffe34ed9950
[  465.050631][ T6009]  </TASK>
[  465.050636][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  465.057534][ T9676] loop0: detected capacity change from 0 to 40427
[  465.220134][ T9676] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  465.222897][ T9676] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  465.272135][ T9676] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  465.278021][ T9676] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  465.281118][ T9676] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  465.287078][   T34] audit: type=1800 audit(1785658044.275:1712): pid=9676 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.872" name="file1" dev="loop0" ino=10 res=0 errno=0
[  465.308052][   T34] audit: type=1800 audit(1785658044.285:1713): pid=9676 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.872" name="file1" dev="loop0" ino=10 res=0 errno=0
[  465.325477][ T6008] CPU: 1 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  465.325492][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  465.325500][ T6008] Call Trace:
[  465.325505][ T6008]  <TASK>
[  465.325509][ T6008]  dump_stack_lvl+0xe8/0x150
[  465.325529][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  465.325544][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  465.325568][ T6008]  __submit_merged_bio+0x258/0x6a0
[  465.325578][ T6008]  ? rcu_is_watching+0x15/0xb0
[  465.325595][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  465.325609][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  465.325629][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  465.325655][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.325685][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  465.325693][ T6008]  ? __bfs+0x153/0x290
[  465.325703][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  465.325718][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  465.325727][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  465.325748][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.325760][ T6008]  do_writepages+0x338/0x560
[  465.325780][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  465.325792][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  465.325805][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  465.325835][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  465.325846][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  465.325865][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  465.325890][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  465.325924][ T6008]  kill_f2fs_super+0x2dd/0x700
[  465.325940][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  465.325957][ T6008]  ? call_rcu+0x64b/0x8b0
[  465.325964][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  465.325979][ T6008]  deactivate_locked_super+0xbc/0x110
[  465.325993][ T6008]  cleanup_mnt+0x3d3/0x460
[  465.326004][ T6008]  task_work_run+0x1d9/0x270
[  465.326018][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  465.326040][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  465.326051][ T6008]  ? rcu_is_watching+0x15/0xb0
[  465.326063][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.326073][ T6008]  do_syscall_64+0x353/0x580
[  465.326082][ T6008]  ? trace_irq_disable+0x3b/0x140
[  465.326095][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.326103][ T6008] RIP: 0033:0x7f0b52f9f257
[  465.326112][ T6008] 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
[  465.326120][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  465.326131][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  465.326136][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  465.326141][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  465.326147][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  465.326152][ T6008] R13: 00007f0b5303445c R14: 000000000007190a R15: 00007ffc40d2c290
[  465.326165][ T6008]  </TASK>
[  465.332308][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  465.553408][ T9680] loop2: detected capacity change from 0 to 40427
[  465.568298][ T9680] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  465.574615][ T9680] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  465.652694][ T9680] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  465.669584][ T9680] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  465.672502][ T9680] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  465.707729][ T6010] CPU: 1 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  465.707745][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  465.707750][ T6010] Call Trace:
[  465.707755][ T6010]  <TASK>
[  465.707759][ T6010]  dump_stack_lvl+0xe8/0x150
[  465.707777][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  465.707792][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  465.707813][ T6010]  __submit_merged_bio+0x258/0x6a0
[  465.707824][ T6010]  ? rcu_is_watching+0x15/0xb0
[  465.707840][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  465.707854][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  465.707874][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  465.707886][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  465.707911][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.707941][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  465.707949][ T6010]  ? __bfs+0x153/0x290
[  465.707959][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  465.707991][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  465.708010][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  465.708032][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.708044][ T6010]  do_writepages+0x338/0x560
[  465.708061][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  465.708072][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  465.708086][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  465.708116][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  465.708127][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  465.708146][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  465.708172][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  465.708206][ T6010]  kill_f2fs_super+0x2dd/0x700
[  465.708248][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  465.708272][ T6010]  ? call_rcu+0x64b/0x8b0
[  465.708283][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  465.708304][ T6010]  deactivate_locked_super+0xbc/0x110
[  465.708317][ T6010]  cleanup_mnt+0x3d3/0x460
[  465.708329][ T6010]  task_work_run+0x1d9/0x270
[  465.708343][ T6010]  ? __pfx_task_work_run+0x10/0x10
[  465.708359][ T6010]  exit_to_user_mode_loop+0x1fa/0x730
[  465.708371][ T6010]  ? rcu_is_watching+0x15/0xb0
[  465.708384][ T6010]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.708393][ T6010]  do_syscall_64+0x353/0x580
[  465.708402][ T6010]  ? trace_irq_disable+0x3b/0x140
[  465.708416][ T6010]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.708424][ T6010] RIP: 0033:0x7f80fa79f257
[  465.708434][ T6010] 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
[  465.708442][ T6010] RSP: 002b:00007ffdec3504b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  465.708452][ T6010] RAX: 0000000000000000 RBX: 00007f80fa83445c RCX: 00007f80fa79f257
[  465.708458][ T6010] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdec350570
[  465.708463][ T6010] RBP: 00007ffdec350570 R08: 00007ffdec351570 R09: 00000000ffffffff
[  465.708469][ T6010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdec351600
[  465.708475][ T6010] R13: 00007f80fa83445c R14: 0000000000071a7a R15: 00007ffdec351640
[  465.708488][ T6010]  </TASK>
[  465.710069][ T6010] F2FS-fs (loop2): Stopped filesystem due to reason: 3
[  465.723078][ T9684] loop1: detected capacity change from 0 to 40427
[  465.833696][ T9684] F2FS-fs (loop1): Small segment_count (9 < 1 * 24)
[  465.836569][ T9684] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[  465.870028][ T9684] F2FS-fs (loop1): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  465.880096][ T9684] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[  465.882524][ T9684] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[  465.914745][ T6009] CPU: 1 UID: 0 PID: 6009 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  465.914761][ T6009] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  465.914766][ T6009] Call Trace:
[  465.914771][ T6009]  <TASK>
[  465.914775][ T6009]  dump_stack_lvl+0xe8/0x150
[  465.914819][ T6009]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  465.914834][ T6009]  f2fs_write_end_io+0x124b/0x1710
[  465.914856][ T6009]  __submit_merged_bio+0x258/0x6a0
[  465.914866][ T6009]  ? rcu_is_watching+0x15/0xb0
[  465.914882][ T6009]  __submit_merged_write_cond+0x3c9/0x4e0
[  465.914896][ T6009]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  465.914917][ T6009]  f2fs_write_data_pages+0x2a27/0x36f0
[  465.914928][ T6009]  ? __lock_acquire+0x683/0x2cf0
[  465.914953][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.914989][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  465.914996][ T6009]  ? __bfs+0x153/0x290
[  465.915011][ T6009]  ? __pfx_hlock_conflict+0x10/0x10
[  465.915026][ T6009]  ? lockdep_unlock+0x5d/0xd0
[  465.915035][ T6009]  ? __lock_acquire+0x13e8/0x2cf0
[  465.915056][ T6009]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  465.915069][ T6009]  do_writepages+0x338/0x560
[  465.915085][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  465.915096][ T6009]  filemap_fdatawrite+0x1e9/0x2f0
[  465.915110][ T6009]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  465.915139][ T6009]  ? do_raw_spin_unlock+0x4d/0x210
[  465.915150][ T6009]  f2fs_sync_dirty_inodes+0x30e/0x830
[  465.915169][ T6009]  f2fs_write_checkpoint+0xa3d/0x2710
[  465.915200][ T6009]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  465.915273][ T6009]  kill_f2fs_super+0x2dd/0x700
[  465.915291][ T6009]  ? __pfx_kill_f2fs_super+0x10/0x10
[  465.915308][ T6009]  ? call_rcu+0x64b/0x8b0
[  465.915315][ T6009]  ? lockdep_hardirqs_on+0x7a/0x110
[  465.915356][ T6009]  deactivate_locked_super+0xbc/0x110
[  465.915375][ T6009]  cleanup_mnt+0x3d3/0x460
[  465.915393][ T6009]  task_work_run+0x1d9/0x270
[  465.915415][ T6009]  ? __pfx_task_work_run+0x10/0x10
[  465.915440][ T6009]  exit_to_user_mode_loop+0x1fa/0x730
[  465.915458][ T6009]  ? rcu_is_watching+0x15/0xb0
[  465.915478][ T6009]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.915492][ T6009]  do_syscall_64+0x353/0x580
[  465.915503][ T6009]  ? trace_irq_disable+0x3b/0x140
[  465.915517][ T6009]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  465.915530][ T6009] RIP: 0033:0x7f93ab19f257
[  465.915540][ T6009] 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
[  465.915548][ T6009] RSP: 002b:00007ffe34ed87c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  465.915558][ T6009] RAX: 0000000000000000 RBX: 00007f93ab23445c RCX: 00007f93ab19f257
[  465.915564][ T6009] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe34ed8880
[  465.915569][ T6009] RBP: 00007ffe34ed8880 R08: 00007ffe34ed9880 R09: 00000000ffffffff
[  465.915574][ T6009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34ed9910
[  465.915580][ T6009] R13: 00007f93ab23445c R14: 0000000000071b47 R15: 00007ffe34ed9950
[  465.915593][ T6009]  </TASK>
[  466.054433][ T9688] loop0: detected capacity change from 0 to 40427
[  466.061079][ T9688] F2FS-fs (loop0): Small segment_count (9 < 1 * 24)
[  466.063382][ T9688] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[  466.067979][ T6009] F2FS-fs (loop1): Stopped filesystem due to reason: 3
[  466.104756][ T9688] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  466.111719][ T9688] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[  466.114086][ T9688] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  466.123437][ T9688] bio_check_eod: 35 callbacks suppressed
[  466.123447][ T9688] syz.0.876: attempt to access beyond end of device
[  466.123447][ T9688] loop0: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  466.131075][ T9688] syz.0.876: attempt to access beyond end of device
[  466.131075][ T9688] loop0: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  466.141579][ T6008] syz-executor: attempt to access beyond end of device
[  466.141579][ T6008] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  466.150909][ T6008] CPU: 1 UID: 0 PID: 6008 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  466.150929][ T6008] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  466.150939][ T6008] Call Trace:
[  466.150944][ T6008]  <TASK>
[  466.150948][ T6008]  dump_stack_lvl+0xe8/0x150
[  466.150966][ T6008]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  466.150981][ T6008]  f2fs_write_end_io+0x124b/0x1710
[  466.151003][ T6008]  __submit_merged_bio+0x258/0x6a0
[  466.151013][ T6008]  ? rcu_is_watching+0x15/0xb0
[  466.151030][ T6008]  __submit_merged_write_cond+0x3c9/0x4e0
[  466.151045][ T6008]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  466.151066][ T6008]  f2fs_write_data_pages+0x2a27/0x36f0
[  466.151095][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  466.151131][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  466.151138][ T6008]  ? __bfs+0x153/0x290
[  466.151149][ T6008]  ? __pfx_hlock_conflict+0x10/0x10
[  466.151165][ T6008]  ? lockdep_unlock+0x5d/0xd0
[  466.151174][ T6008]  ? __lock_acquire+0x13e8/0x2cf0
[  466.151236][ T6008]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  466.151254][ T6008]  do_writepages+0x338/0x560
[  466.151276][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  466.151288][ T6008]  filemap_fdatawrite+0x1e9/0x2f0
[  466.151302][ T6008]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  466.151338][ T6008]  ? do_raw_spin_unlock+0x4d/0x210
[  466.151350][ T6008]  f2fs_sync_dirty_inodes+0x30e/0x830
[  466.151370][ T6008]  f2fs_write_checkpoint+0xa3d/0x2710
[  466.151397][ T6008]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  466.151437][ T6008]  kill_f2fs_super+0x2dd/0x700
[  466.151454][ T6008]  ? __pfx_kill_f2fs_super+0x10/0x10
[  466.151471][ T6008]  ? call_rcu+0x64b/0x8b0
[  466.151479][ T6008]  ? lockdep_hardirqs_on+0x7a/0x110
[  466.151496][ T6008]  deactivate_locked_super+0xbc/0x110
[  466.151510][ T6008]  cleanup_mnt+0x3d3/0x460
[  466.151521][ T6008]  task_work_run+0x1d9/0x270
[  466.151536][ T6008]  ? __pfx_task_work_run+0x10/0x10
[  466.151554][ T6008]  exit_to_user_mode_loop+0x1fa/0x730
[  466.151565][ T6008]  ? rcu_is_watching+0x15/0xb0
[  466.151578][ T6008]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.151588][ T6008]  do_syscall_64+0x353/0x580
[  466.151597][ T6008]  ? trace_irq_disable+0x3b/0x140
[  466.151611][ T6008]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  466.151619][ T6008] RIP: 0033:0x7f0b52f9f257
[  466.151629][ T6008] 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
[  466.151637][ T6008] RSP: 002b:00007ffc40d2b108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  466.151646][ T6008] RAX: 0000000000000000 RBX: 00007f0b5303445c RCX: 00007f0b52f9f257
[  466.151652][ T6008] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc40d2b1c0
[  466.151658][ T6008] RBP: 00007ffc40d2b1c0 R08: 00007ffc40d2c1c0 R09: 00000000ffffffff
[  466.151663][ T6008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc40d2c250
[  466.151669][ T6008] R13: 00007f0b5303445c R14: 0000000000071c2c R15: 00007ffc40d2c290
[  466.151683][ T6008]  </TASK>
[  466.151687][ T6008] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  466.477084][ T9692] loop2: detected capacity change from 0 to 40427
[  466.480411][ T9692] F2FS-fs (loop2): Small segment_count (9 < 1 * 24)
[  466.485622][ T9692] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[  466.524049][ T9692] F2FS-fs (loop2): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  466.532106][ T9692] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[  466.534983][ T9692] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[  466.549494][ T9692] syz.2.877: attempt to access beyond end of device
[  466.549494][ T9692] loop2: rw=2049, sector=53248, nr_sectors = 976 limit=40427
[  466.565936][ T9692] syz.2.877: attempt to access beyond end of device
[  466.565936][ T9692] loop2: rw=8423425, sector=54224, nr_sectors = 8 limit=40427
[  466.579889][ T6010] syz-executor: attempt to access beyond end of device
[  466.579889][ T6010] loop2: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  466.600648][ T6010] CPU: 0 UID: 0 PID: 6010 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  466.600669][ T6010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  466.600678][ T6010] Call Trace:
[  466.600685][ T6010]  <TASK>
[  466.600692][ T6010]  dump_stack_lvl+0xe8/0x150
[  466.600718][ T6010]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  466.600741][ T6010]  f2fs_write_end_io+0x124b/0x1710
[  466.600777][ T6010]  __submit_merged_bio+0x258/0x6a0
[  466.600793][ T6010]  ? rcu_is_watching+0x15/0xb0
[  466.600818][ T6010]  __submit_merged_write_cond+0x3c9/0x4e0
[  466.600848][ T6010]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  466.600882][ T6010]  f2fs_write_data_pages+0x2a27/0x36f0
[  466.600900][ T6010]  ? __lock_acquire+0x683/0x2cf0
[  466.600945][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  466.601007][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  466.601020][ T6010]  ? __bfs+0x153/0x290
[  466.601037][ T6010]  ? __pfx_hlock_conflict+0x10/0x10
[  466.601063][ T6010]  ? lockdep_unlock+0x5d/0xd0
[  466.601078][ T6010]  ? __lock_acquire+0x13e8/0x2cf0
[  466.601120][ T6010]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  466.601141][ T6010]  do_writepages+0x338/0x560
[  466.601202][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  466.601222][ T6010]  filemap_fdatawrite+0x1e9/0x2f0
[  466.601249][ T6010]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  466.601323][ T6010]  ? do_raw_spin_unlock+0x4d/0x210
[  466.601343][ T6010]  f2fs_sync_dirty_inodes+0x30e/0x830
[  466.601381][ T6010]  f2fs_write_checkpoint+0xa3d/0x2710
[  466.601426][ T6010]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  466.601487][ T6010]  kill_f2fs_super+0x2dd/0x700
[  466.601514][ T6010]  ? __pfx_kill_f2fs_super+0x10/0x10
[  466.601547][ T6010]  ? call_rcu+0x64b/0x8b0
[  466.601560][ T6010]  ? lockdep_hardirqs_on+0x7a/0x110
[  466.601588][ T6010]  deactivate_locked_super+0xbc/0x110
[  466.601614][ T6010]  cleanup_mnt+0x3d3/0x460
[  466.601633][ T6010]  task_work_run+0x1d9/0x270

[host] Command execution timed out after 6m0s