INFO: task syz-executor:11825 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22664 pid:11825 tgid:11825 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17b4/0x5680
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 lmLogClose+0xb4/0x520
 jfs_umount+0x2fb/0x3d0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x13d/0x2d0
 kill_block_super+0x44/0x90
 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: 0033:0x7f3b6f99e017
RSP: 002b:00007ffed3f8aa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f3b6fa32120 RCX: 00007f3b6f99e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffed3f8ab30
RBP: 00007ffed3f8ab30 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffed3f8bbc0
R13: 00007f3b6fa32120 R14: 00000000000589c5 R15: 00007ffed3f8bc00
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e95cda0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5440:
 #0: ffff8881141ea0a0 (&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 kworker/u10:6/10358:
 #0: ffff88823c63b020 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150
 #1: ffff88823c624588 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880
 #2: ffff8881a5490780 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: loop_process_work+0x12f/0x11a0
2 locks held by syz-executor/10823:
 #0: ffff8881a50b80d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/11098:
 #0: ffff8881be65e0d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/11241:
 #0: ffff8881130ce0d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/11361:
 #0: ffff8881138b80d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/11543:
 #0: ffff8881057060d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/11825:
 #0: ffff8881a2e860d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/12000:
 #0: ffff88801cfec0d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/12025:
 #0: ffff8881a49e20d8 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf96c0 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.6.1091/13379:
 #0: ffff8881be65e0d8 (&type->s_umount_key#63){++++}-{4:4}, at: super_lock+0x289/0x3d0
1 lock held by syz.5.1146/13538:
 #0: ffff8881a50b80d8 (&type->s_umount_key#63){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.9.1165/13795:
 #0: ffff8881a50b80d8 (&type->s_umount_key#63){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.7.1234/14144:
 #0: ffff8881130ce0d8 (&type->s_umount_key#63){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
2 locks held by syz.8.1261/14281:
9 locks held by syz.3.1262/14283:

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

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/0x300
 sys_info+0x135/0x170
 watchdog+0xfd3/0x1030
 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: 14281 Comm: syz.8.1261 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:unwind_next_frame+0x2c6/0x2550
Code: 90 45 29 e8 4a 8d 1c 82 48 83 c3 fc 49 89 d5 48 39 da 0f 86 1c 02 00 00 49 29 d5 49 c1 fd 02 4a 8d 04 6d 00 00 00 00 4c 01 e8 <48> 8d 14 46 48 bd 00 00 00 00 00 fc ff df e9 8f 01 00 00 31 db e9
RSP: 0018:ffffc90007d3f158 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff90537364 RCX: ffffffff90537368
RDX: ffffffff90537364 RSI: ffffffff90d45890 RDI: ffffffff8c28b480
RBP: ffffffff90537368 R08: 0000000000000001 R09: ffffffff8e95cda0
R10: ffffc90007d3f278 R11: ffffffff81b0d910 R12: ffffffff82435dee
R13: 0000000000000000 R14: ffffc90007d3f228 R15: ffffffff90537364
FS:  00007fa46d68d6c0(0000) GS:ffff8882a9291000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011387c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __reset_page_owner+0x71/0x1f0
 free_unref_folios+0xcde/0x1420
 folios_put_refs+0xa3d/0xb80
 shmem_undo_range+0x52c/0x1660
 shmem_evict_inode+0x289/0xae0
 evict+0x61e/0xb10
 __dentry_kill+0x1a2/0x690
 finish_dput+0xc9/0x480
 __fput+0x691/0xa60
 fput_close_sync+0x11f/0x240
 __x64_sys_close+0x7e/0x110
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa46c75d60e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fa46d68cda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fa46d68d6c0 RCX: 00007fa46c75d60e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fa46d68cee0 R14: 00007fa46d68cea0 R15: 00007fa462400000
 </TASK>
