INFO: task kworker/0:0:9 blocked for more than 147 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events reg_todo
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x140/0x218 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x4e4/0xef8 kernel/locking/mutex.c:820
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873
 class_wiphy_constructor include/net/cfg80211.h:6645 [inline]
 reg_process_self_managed_hints+0x94/0x1c0 net/wireless/reg.c:3192
 reg_todo+0x604/0x69c net/wireless/reg.c:3205
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397
 worker_thread+0x754/0xba0 kernel/workqueue.c:3478
 kthread+0x2f8/0x3c8 kernel/kthread.c:436