INFO: task kworker/1:4:5669 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:23576 pid:5669  tgid:5669  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events reg_todo
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 schedule+0x164/0x2b0
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7bf/0x1550
 reg_process_self_managed_hints+0x8d/0x160
 reg_todo+0x8df/0xa40
 process_scheduled_works+0xa8e/0x14e0
