INFO: task kworker/u8:11:3580 blocked for more than 143 seconds.
      Not tainted 6.14.0-rc4-syzkaller-00840-g56794b5862c5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:11   state:D stack:22608 pid:3580  tgid:3580  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 wg_netns_pre_exit+0x1f/0x1e0 drivers/net/wireguard/device.c:416
 ops_pre_exit_list net/core/net_namespace.c:162 [inline]
 cleanup_net+0x625/0xd60 net/core/net_namespace.c:632
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319