INFO: task kworker/1:4:5864 blocked for more than 144 seconds.
      Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:26152 pid:5864  tgid:5864  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events reg_todo
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1360
 reg_process_self_managed_hints+0xaf/0x1c0
 reg_todo+0x78d/0x890
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e139ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by kswapd0/84:
2 locks held by syslogd/5277:
1 lock held by udevd/5295:
5 locks held by dhcpcd/5592:
2 locks held by getty/5678:
 #0: ffff88801f70d0a0 (&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
2 locks held by syz-executor/5855:
1 lock held by syz-executor/5860:
 #0: ffffffff8f537d08 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0
3 locks held by kworker/u8:3/5888:
3 locks held by kworker/1:5/5993:
