INFO: task syz-executor:8223 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:22688 pid:8223  tgid:8223  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 lmLogClose+0xb4/0x520
 jfs_umount+0x2ef/0x3c0
 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+0x32d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9067f9d9d7
RSP: 002b:00007fff0f57ebd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f9068032050 RCX: 00007f9067f9d9d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff0f57ec90
RBP: 00007fff0f57ec90 R08: 00007fff0f57fc90 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff0f57fd20
R13: 00007f9068032050 R14: 000000000002bf7b R15: 00007fff0f57fd60
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e75e520 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
4 locks held by kworker/u10:6/3592:
 #0: ffff88823c63ade0 (&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: ffff88823c626118 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x1ae/0xf30
 #3: ffffffff9a57a598 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x83/0x580
2 locks held by getty/5639:
 #0: ffff88816a7240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900032402f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
2 locks held by syz-executor/7081:
 #0: ffff8881bcf120e0 (&type->s_umount_key#66){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec768 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
2 locks held by syz-executor/8223:
 #0: ffff8880231360e0 (&type->s_umount_key#66){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec768 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.9.401/8928:
 #0: ffff8881bcf120e0 (&type->s_umount_key#66){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.5.421/9006:
 #0: ffff8881bcf120e0 (&type->s_umount_key#66){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
2 locks held by syz-executor/9850:
 #0: ffff88802770a0e0 (&type->s_umount_key#66){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
 #1: ffffffff8ebec768 (jfs_log_mutex){+.+.}-{4:4}, at: lmLogClose+0xb4/0x520
1 lock held by syz.4.573/10388:
 #0: ffff8880231360e0 (&type->s_umount_key#66){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
1 lock held by syz.5.685/11143:
 #0: ffff8881bcf120e0 (&type->s_umount_key#66){++++}-{4:4}, at: super_lock+0x2d6/0x3d0
9 locks held by syz-executor/11525:
 #0: ffff888175d84420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x227/0xb90
 #1: 
ffff88810cb0f488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1de/0x540
 #2: ffff88810b9a5b48 (kn->active#48){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x231/0x540
 #3: ffffffff8f441768 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd7/0x370
 #4: ffff888111a890e8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb6/0x860
 #5: ffff8881154fa250 (&devlink->lock_key#20){+.+.}-{4:4}, at: nsim_drv_remove+0x50/0x170
 #6: ffffffff8fbcce88 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0xed/0x680
 #7: ffff888028020d40 (&dev_instance_lock_key#24){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x583/0x2370
 #8: ffffffff8e7647b8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770
10 locks held by syz.2.754/11569:
1 lock held by dhcpcd-run-hook/11580:

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

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+0xfd9/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 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: 11569 Comm: syz.2.754 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:preempt_count_add+0x23/0x190
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 49 bf 00 00 00 00 00 fc ff df 48 c7 c0 c0 34 27 9a 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 ea 00 00 00 83 3d ee 4b 93 18 00 75 07 65 8b 05 55 e7
RSP: 0018:ffffc90005dbf310 EFLAGS: 00000802
RAX: 0000000000000004 RBX: ffffffff8e7508a0 RCX: ffff888104320000
RDX: 0000000000000003 RSI: 00000000ffffffff RDI: 0000000000000001
RBP: ffffc90005dbf450 R08: 0000000000001712 R09: 0000000000400000
R10: 000000000002e248 R11: fffffbfff1cbd614 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007feb2c7756c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1744070a0 CR3: 0000000112a50000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 _raw_spin_lock+0x12/0x40
 console_flush_all+0x67f/0xb20
 console_unlock+0xd1/0x1c0
 vprintk_emit+0x485/0x560
 _printk+0xdd/0x130
 lmLogSync+0x752/0x9f0
 lmLog+0x7b2/0xa40
 txCommit+0x244e/0x5410
 jfs_truncate_nolock+0x22f/0x340
 jfs_truncate+0xce/0x140
 jfs_setattr+0x4f8/0x760
 notify_change+0xc1a/0xf40
 do_truncate+0x1c2/0x250
 vfs_truncate+0x4b4/0x540
 do_sys_truncate+0xf3/0x1c0
 __x64_sys_truncate+0x5b/0x70
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb2b99c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feb2c775028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007feb2bc15fa0 RCX: 00007feb2b99c799
RDX: 0000000000000000 RSI: 0000000000001bf8 RDI: 0000200000000280
RBP: 00007feb2ba32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007feb2bc16038 R14: 00007feb2bc15fa0 R15: 00007ffe3c3181a8
 </TASK>
