INFO: task kworker/0:5:5680 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5     state:D stack:20104 pid:5680  tgid:5680  ppid:2      task_flags:0x4208160 flags:0x00080000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x2b0
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7bf/0x1550
 reg_check_chans_work+0x1a1/0x1110
 process_scheduled_works+0xa8e/0x14e0
 worker_thread+0xa47/0xfb0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Showing all locks held in the system:
4 locks held by kworker/1:0/24:
3 locks held by kworker/1:1/32:
1 lock held by khungtaskd/35:
 #0: ffffffff8eb59ca0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
3 locks held by syslogd/5040:
1 lock held by klogd/5047:
4 locks held by udevd/5058:
1 lock held by dhcpcd/5354:
4 locks held by dhcpcd/5355:
2 locks held by getty/5438:
 #0: ffff888175f8b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
