INFO: task syz-executor:13974 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:22472 pid:13974 tgid:13974 ppid:1      task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 jfs_put_super+0x8c/0x190
 generic_shutdown_super+0x135/0x2c0
 kill_block_super+0x44/0x90
 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: 0033:0x7f167758ff57
RSP: 002b:00007fffeb77a718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f1677611c2d RCX: 00007f167758ff57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffeb77a7d0
RBP: 00007fffeb77a7d0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffeb77b8c0
R13: 00007f1677611c2d R14: 000000000006f6e2 R15: 00007fffeb77c990
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by kworker/0:2/3150:
2 locks held by getty/5682:
 #0: ffff88810d5ef0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
3 locks held by kworker/1:5/7009:
 #0: ffff88801a480d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc900017efbc0 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffff8880720ab240 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x26b/0x3180
2 locks held by syz-executor/12345:
 #0: ffff88811dd360e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/13248:
 #0: ffff8881221280e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/13775:
 #0: ffff88801e2e40e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/13974:
 #0: ffff88803be9a0e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.2.741/14426:
 #0: ffff88811dd360e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
2 locks held by syz-executor/14558:
 #0: ffff888117cc80e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.7.785/14569:
 #0: ffff8881221280e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
2 locks held by syz-executor/14773:
 #0: ffff88811a6820e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/15304:
 #0: ffff88803b1100e0 (&type->s_umount_key#53){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8e56fd28 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.6.903/15595:
 #0: ffff88803be9a0e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x25c/0x3b0
1 lock held by syz.9.931/15728:
 #0: ffff88801e2e40e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
1 lock held by syz.2.933/15759:
 #0: ffff88811dd360e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x25c/0x3b0
1 lock held by syz.7.946/15842:
 #0: ffff8881221280e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
1 lock held by syz.4.947/15871:
 #0: ffff888117cc80e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
3 locks held by syz.3.968/16180:
1 lock held by syz.5.969/16196:
 #0: ffff88811a6820e0 (&type->s_umount_key#53){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
2 locks held by syz.1.960/16232:

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

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+0x439/0x7d0
 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: 16180 Comm: syz.3.968 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:validate_chain+0xe15/0x2140
Code: f1 f5 0b 14 48 8d 84 24 88 00 00 00 48 89 05 e2 75 0b 14 31 f6 45 31 ed 4d 85 ed 74 2f 49 8b 45 30 48 85 c0 74 26 48 8b 40 10 <48> 83 c0 30 49 8b 4d 00 48 89 8c 24 d0 00 00 00 48 39 c1 74 0d 4c
RSP: 0018:ffffc9000351eab0 EFLAGS: 00000082
RAX: ffffffff934a6fc0 RBX: 00000000000003dd RCX: 00000000000701b4
RDX: 0000000000000008 RSI: 00000000000003dd RDI: ffff8881099d8000
RBP: ffffffff934eff20 R08: ffffc9000351ea78 R09: 0000000000000020
R10: dffffc0000000000 R11: ffffffff819dced0 R12: ffffffff934eff20
R13: ffffffff964408b8 R14: ffff8881099d8be0 R15: 00000000000001de
FS:  00007f32089de6c0(0000) GS:ffff8880b8612000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1263d23897 CR3: 000000011781c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __lock_acquire+0xab9/0xd20
 lock_acquire+0x120/0x360
 psi_write_begin+0xab/0x160
 psi_account_irqtime+0x225/0x750
 __schedule+0x8f9/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 7b 81 03 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc9000351f110 EFLAGS: 00000206
RAX: 21f1c378f810bf00 RBX: 0000000000000000 RCX: 21f1c378f810bf00
RDX: 0000000000000000 RSI: ffffffff8dbaa567 RDI: ffffffff8be34380
RBP: ffffffff81f6a3ec R08: 0000000000000000 R09: ffffffff81f6a3ec
R10: 0000000000000406 R11: 0000000000000002 R12: 0000000000000002
R13: ffffffff8e13a0e0 R14: 0000000000000000 R15: 0000000000000246
 folio_try_get+0x38/0x340
 find_lock_entries+0x24f/0xa60
 truncate_inode_pages_range+0x1a4/0xda0
 truncate_pagecache+0x6c/0x90
 ext4_setattr+0xf65/0x1bc0
 notify_change+0xb36/0xe40
 do_truncate+0x1a4/0x220
 path_openat+0x306c/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_creat+0x8f/0xc0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3207b8ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f32089de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f3207dd5fa0 RCX: 00007f3207b8ec29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000440
RBP: 00007f3207c11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3207dd6038 R14: 00007f3207dd5fa0 R15: 00007ffe69e5e1d8
 </TASK>
