INFO: task syz.1.510:10064 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.510       state:D stack:25848 pid:10064 tgid:10063 ppid:9561   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_read_slowpath+0x6ba/0x920
 down_read+0x9c/0x330
 super_lock+0x2d6/0x3d0
 user_get_super+0xc8/0x120
 __se_sys_quotactl+0x538/0x9a0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f218079ce59
RSP: 002b:00007f2181671028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f2180a15fa0 RCX: 00007f218079ce59
RDX: 000000000000ee01 RSI: 0000200000000040 RDI: ffffffff80000902
RBP: 00007f2180832e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2180a16038 R14: 00007f2180a15fa0 R15: 00007ffc21ed61f8
 </TASK>
INFO: task syz.6.517:10107 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.517       state:D stack:29144 pid:10107 tgid:10105 ppid:9579   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x87d/0x1080
 down_write+0x1bc/0x200
 super_lock+0x289/0x3d0
 user_get_super+0xc8/0x120
 __se_sys_quotactl+0x538/0x9a0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1ccfb9ce59
RSP: 002b:00007f1cd0977028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f1ccfe16090 RCX: 00007f1ccfb9ce59
RDX: 0000000000000000 RSI: 0000200000000000 RDI: ffffffff80000301
RBP: 00007f1ccfc32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1ccfe16128 R14: 00007f1ccfe16090 R15: 00007ffd0e5154d8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x380
 sys_info+0x135/0x170
 watchdog+0xfd7/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6376 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kasan_check_range+0x5/0x2c0
Code: 89 df 48 c7 c6 ee 7a 25 8e e8 d7 63 f4 fe 90 0f 0b cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 55 <41> 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 ae 01 00 00 4c 8d
RSP: 0018:ffffc90004bbf630 EFLAGS: 00000246
RAX: ffffffff8205164b RBX: ffffea0005cf6d40 RCX: ffffffff82051662
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0005cf6d40
RBP: 0000000000000001 R08: ffffea0005cf6d47 R09: 1ffffd4000b9eda8
R10: dffffc0000000000 R11: fffff94000b9eda9 R12: 1ffffd4000b9eda9
R13: 0000000000000000 R14: ffffea0005cf6d48 R15: dffffc0000000000
FS:  0000555580c01500(0000) GS:ffff8882a922d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbf97dea2f8 CR3: 0000000174e30000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 folio_unlock+0x62/0x160
 f2fs_folio_put+0xc0/0x1a0
 __get_node_folio+0xaec/0xdc0
 f2fs_update_inode_page+0x82/0x2e0
 f2fs_write_checkpoint+0xc4c/0x2710
 kill_f2fs_super+0x2f6/0x700
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x3d3/0x460
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0x1fa/0x730
 do_syscall_64+0x353/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a6979e097
Code: a2 c7 05 5c 06 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
RSP: 002b:00007fffe9a88b38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f5a698322ca RCX: 00007f5a6979e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffe9a88bf0
RBP: 00007fffe9a88bf0 R08: 00007fffe9a89bf0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe9a89c80
R13: 00007f5a698322ca R14: 0000000000016d7c R15: 00007fffe9a89cc0
 </TASK>
