INFO: task syz.2.709:11453 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.709       state:D stack:25128 pid:11453 tgid:11451 ppid:11192  task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_read_slowpath+0x5fd/0x8f0
 down_read+0x98/0x2e0
 super_lock+0x2a9/0x3b0
 user_get_super+0xc8/0x120
 __se_sys_quotactl+0x4da/0x950
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7cd198eba9
RSP: 002b:00007f7cd2821038 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f7cd1bd5fa0 RCX: 00007f7cd198eba9
RDX: 0000000000000000 RSI: 0000200000000240 RDI: ffffffff80000901
RBP: 00007f7cd1a11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7cd1bd6038 R14: 00007f7cd1bd5fa0 R15: 00007ffe9bc2bf88
 </TASK>

Showing all locks held in the system:
4 locks held by kworker/u9:1/32:
 #0: ffff88804b039f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
 #1: ffff88804b024008 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880
 #2: ffff888020686388 (&wb->work_lock){..-.}-{3:3}, at: wb_workfn+0xe08/0xef0
 #3: ffffffff99cd0a88 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_assert_init+0xb4/0x380
1 lock held by khungtaskd/34:
 #0: ffffffff8e139f20 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5674:
 #0: ffff88801fb8d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029032f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
3 locks held by syz-executor/6524:
2 locks held by syz-executor/9158:
1 lock held by syz.2.709/11453:
 #0: ffff88810e2260e0 (&type->s_umount_key#55){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
2 locks held by syz-executor/11745:
 #0: ffff88803e4ea0e0 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56e9c8 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.1.913/13564:
 #0: ffff88811b9000e0 (&type->s_umount_key#55){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
1 lock held by syz.2.995/14087:
 #0: ffff88810e2260e0 (&type->s_umount_key#55){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
1 lock held by syz-executor/14329:
 #0: ffffffff8e13f9b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3b9/0x730

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 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+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6524 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:folio_contains+0x62/0x2b0
Code: 2c 00 4d 8b 27 4c 89 e6 48 83 e6 01 31 ff e8 e5 fb c8 ff 49 83 e4 01 0f 85 10 02 00 00 4c 89 f7 be 08 00 00 00 e8 ee 6a 2c 00 <4d> 89 f5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00
RSP: 0018:ffffc900032276c8 EFLAGS: 00000256
RAX: ffffffff81f6b701 RBX: 0000000000000010 RCX: ffffffff81f6b7f2
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea000489ac80
RBP: 1ffffd4000913591 R08: ffffea000489ac87 R09: 1ffffd4000913590
R10: dffffc0000000000 R11: fffff94000913591 R12: 0000000000000000
R13: 0000000000000000 R14: ffffea000489ac80 R15: ffffea000489ac88
FS:  000055558a626500(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555591dd4608 CR3: 0000000021f44000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __filemap_get_folio+0x632/0xaf0
 f2fs_grab_cache_folio+0x2b/0x380
 __get_node_folio+0x194/0x1410
 f2fs_update_inode_page+0x82/0x190
 f2fs_write_checkpoint+0xb6e/0x1df0
 kill_f2fs_super+0x2c3/0x6c0
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x425/0x4c0
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb230f8fed7
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd56764aa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fb231011c05 RCX: 00007fb230f8fed7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd56764b60
RBP: 00007ffd56764b60 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd56765bf0
R13: 00007fb231011c05 R14: 0000000000025d1a R15: 00007ffd56765c30
 </TASK>
