INFO: task kworker/1:0:17 blocked for more than 141 seconds.
      Not tainted 5.9.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:14136 pid:   17 ppid:     2 flags:0x00004000
Workqueue: events switchdev_deferred_process_work
Call Trace:
 context_switch kernel/sched/core.c:3778 [inline]
 __schedule+0x3f3/0x880 kernel/sched/core.c:4527
 schedule+0x37/0xe0 kernel/sched/core.c:4602
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4661
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x472/0x9f0 kernel/locking/mutex.c:1103
 switchdev_deferred_process_work+0x5/0x10 net/switchdev/switchdev.c:74
 process_one_work+0x26a/0x5f0 kernel/workqueue.c:2269
 worker_thread+0x38/0x380 kernel/workqueue.c:2415