INFO: task syz.2.3518:23257 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.3518      state:D stack:24696 pid:23257 tgid:23255 ppid:21878  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x1821/0x5740
 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+0xf3/0x4d0
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f981ad9e04a
RSP: 002b:00007f981bca0e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007f981bca0ee0 RCX: 00007f981ad9e04a
RDX: 0000200000000100 RSI: 00002000000000c0 RDI: 00007f981bca0ea0
RBP: 0000200000000100 R08: 00007f981bca0ee0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f981bca0ea0 R14: 00000000000061b6 R15: 00002000000003c0
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5437:
 #0: ffff8881742cb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900034732e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0
2 locks held by syz-executor/19437:
 #0: ffff88810c7640d8 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz.2.3518/23257:
 #0: ffff88810c66e0d8 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/23637:
 #0: ffff8881ba7a60d8 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz.1.3635/24366:
 #0: ffff88816e2be0d8 (&type->s_umount_key#68/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogOpen+0x1a1/0xfa0
1 lock held by syz.0.3640/24387:
 #0: ffff88810c7640d8 (&type->s_umount_key#69){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.0.3640/24388:
 #0: ffff88810c7640d8 (&type->s_umount_key#69){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
2 locks held by syz-executor/24927:
 #0: ffff88811726e0d8 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/25274:
 #0: ffff8881b8cae0d8 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz-executor/26263:
 #0: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770
2 locks held by syz-executor/26853:
 #0: ffff888109c9c0d8 (&type->s_umount_key#69){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8edf8b00 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.2.3808/28110:
 #0: ffff88810c66e0d8 (&type->s_umount_key#69){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.4.3822/28516:
 #0: ffff8881ba7a60d8 (&type->s_umount_key#69){++++}-{4:4}, at: super_lock+0x289/0x3d0
2 locks held by syz.0.3971/30127:

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

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: 26263 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+0x1d0/0x2c0
Code: 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 0e 41 80 3b 00 75 7c 49 ff c3 49 ff cc 75 f2 5b 41 5c 41 5d 41 5e 41 5f <5d> e9 4a df 7a 09 cc 45 84 ff 0f 85 a1 00 00 00 41 f7 c7 00 ff 00
RSP: 0018:ffffc900036ff618 EFLAGS: 00000256
RAX: ffffffff8202ba01 RBX: ffffea0000a9d080 RCX: ffffffff8202ba42
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0000a9d080
RBP: ffffc900036ffa10 R08: ffffea0000a9d087 R09: 1ffffd4000153a10
R10: dffffc0000000000 R11: fffff94000153a11 R12: 1ffffd4000153a11
R13: 0000000000000000 R14: ffffea0000a9d088 R15: dffffc0000000000
FS:  000055559374e500(0000) GS:ffff8882a928c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4d38faf000 CR3: 00000000270c2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 folio_unlock+0x62/0x160
 shmem_undo_range+0x48d/0x1660
 shmem_evict_inode+0x289/0xae0
 evict+0x61e/0xb10
 __dentry_kill+0x1a2/0x690
 finish_dput+0xc9/0x480
 __fput+0x691/0xa60
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xf3/0x4d0
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4bef5d60e
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:00007ffef2dad868 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000055559374e500 RCX: 00007fc4bef5d60e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ffef2dad90c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000089
R13: 00000000000927c0 R14: 00000000001596ba R15: 00007ffef2dad960
 </TASK>
