INFO: task kworker/u8:4:73 blocked for more than 172 seconds.
      Not tainted 6.13.0-rc3-syzkaller-00691-gae418e95dd93 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:4    state:D stack:21520 pid:73    tgid:73    ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 wg_netns_pre_exit+0x1f/0x1e0 drivers/net/wireguard/device.c:415
 ops_pre_exit_list net/core/net_namespace.c:162 [inline]
 cleanup_net+0x615/0xd50 net/core/net_namespace.c:628
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391