INFO: task syz.3.1231:17004 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1231      state:D stack:26056 pid:17004 tgid:16998 ppid:14218  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17b4/0x5680
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x883/0x1080
 down_write+0x1bc/0x200
 super_lock+0x289/0x3d0
 user_get_super+0xc8/0x120
 __se_sys_quotactl+0x540/0x9e0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff3b659cdd9
RSP: 002b:00007ff3b7472028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007ff3b6816090 RCX: 00007ff3b659cdd9
RDX: 0000000000000000 RSI: 0000200000000040 RDI: ffffffff80000200
RBP: 00007ff3b6632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff3b6816128 R14: 00007ff3b6816090 R15: 00007ffd24276158
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e95d020 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5642:
 #0: ffff8881109470a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000346b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0
3 locks held by syz-executor/10431:
1 lock held by syz.3.1231/17004:
 #0: ffff888102b340d8 (&type->s_umount_key#90){++++}-{4:4}, at: super_lock+0x289/0x3d0
1 lock held by syz.5.1449/19268:
 #0: ffff888102b340d8 (&type->s_umount_key#90){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
2 locks held by syz-executor/19657:
2 locks held by dhcpcd/20015:
 #0: ffff88811284a260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10
 #1: ffffffff8e963328 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
1 lock held by dhcpcd/20016:
 #0: ffff8881165e8260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe10

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

NMI backtrace for cpu 0
CPU: 0 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+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xfaa/0x1000
 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: 10431 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:lock_is_held_type+0x4e/0x150
Code: de 8a 07 85 c0 0f 85 d5 00 00 00 65 4c 8b 2d 71 98 8a 07 41 83 bd 8c 0b 00 00 00 0f 85 bf 00 00 00 89 f5 49 89 fe 9c 41 5c fa <48> c7 c7 62 f5 fc 8d e8 b6 19 00 00 65 ff 05 ef dd 8a 07 41 83 bd
RSP: 0018:ffffc900073673b8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffff8881be6b3b00
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8e95d0e0
RBP: 00000000ffffffff R08: 0000000000000004 R09: 0000000000000004
R10: ffffc90007367574 R11: fffff52000e6ceb0 R12: 0000000000000246
R13: ffff8881be6b3b00 R14: ffffffff8e95d0e0 R15: ffff888117ac6000
FS:  0000555586d26500(0000) GS:ffff8882a9245000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb0ad456b8 CR3: 000000010e34e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __might_resched+0x86/0x4d0
 down_read+0x23/0x2e0
 f2fs_get_node_info+0x12c/0x1e20
 read_node_folio+0x221/0x410
 __get_node_folio+0x3cb/0xe90
 f2fs_update_inode_page+0x83/0x2e0
 f2fs_write_checkpoint+0xbee/0x26a0
 kill_f2fs_super+0x314/0x720
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x437/0x4d0
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xed/0x480
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f44d3f9e017
Code: a2 c7 05 dc 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:00007ffe02bd8868 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f44d4032120 RCX: 00007f44d3f9e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe02bd8920
RBP: 00007ffe02bd8920 R08: 00007ffe02bd9920 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe02bd99b0
R13: 00007f44d4032120 R14: 000000000004b299 R15: 00007ffe02bd99f0
 </TASK>
