INFO: task syz.9.275:8651 blocked in I/O wait for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.275       state:D stack:25592 pid:8651  tgid:8651  ppid:7060   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17b4/0x5680
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 lock_metapage+0x1ff/0x400
 __get_metapage+0x49a/0xe20
 diIAGRead+0xce/0x140
 diFree+0x9e1/0x2ca0
 jfs_evict_inode+0x331/0x440
 evict+0x61e/0xb10
 __dentry_kill+0x1a2/0x690
 finish_dput+0xc9/0x480
 __fput+0x691/0xa60
 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: 0033:0x7f1d6759cdd9
RSP: 002b:00007fff005358b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f1d67817da0 RCX: 00007f1d6759cdd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f1d67817da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007f1d67817cb0 R11: 0000000000000246 R12: 000000000002ce6d
R13: 00007f1d6781609c R14: 000000000002ce22 R15: 00007f1d67816090
 </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
3 locks held by udevd/5058:
2 locks held by getty/5436:
 #0: ffff88811319d0a0 (&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
2 locks held by syz.9.275/8651:
 #0: ffff888117438910 (&(imap->im_aglock[index])){+.+.}-{4:4}, at: diFree+0x2ec/0x2ca0
 #1: ffff888118ba8a10 (&jfs_ip->rdwrlock/1){.+.+}-{4:4}, at: diFree+0x30a/0x2ca0
1 lock held by syz-executor/11869:
 #0: ffff88810c7ac0d8 (&type->s_umount_key#32){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
3 locks held by udevd/11870:
3 locks held by syz.9.686/12324:

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

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: 11870 Comm: udevd 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: 0033:0x7fddf4cc8f6b
Code: d2 74 3d 48 8d 75 10 4c 8b 24 f0 41 f6 c4 0f 74 0c 48 8d 3d 4b cf 0e 00 e8 dd cd ff ff 4c 89 e1 ff ca 48 c1 e9 0c 49 33 0c 24 <48> 89 0c f0 66 89 14 68 49 c7 44 24 08 00 00 00 00 e9 22 01 00 00
RSP: 002b:00007ffe57cc3890 EFLAGS: 00000206
RAX: 00005569fd928010 RBX: 00005569fd948840 RCX: 00005569fd9434a0
RDX: 00000000f0000005 RSI: 0000000000000011 RDI: 0000000000000034
RBP: 0000000000000001 R08: 000000000000feff R09: fffffffffffffe98
R10: 00007fddf4cd84a0 R11: 0000000000000012 R12: 00005569fd93cc70
R13: 000000000000001d R14: 00005569fd9499b0 R15: 00005569f33d8401
FS:  00007fddf5177c80 GS:  0000000000000000
