INFO: task kworker/u4:5:3752 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:5    state:D stack:11592 pid:3752  ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0x6af/0x9c0 kernel/sched/core.c:6669
 schedule+0x68/0xc0 kernel/sched/core.c:6745
 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6804
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x449/0x970 kernel/locking/mutex.c:747
 devl_lock net/devlink/core.c:54 [inline]
 devlink_pernet_pre_exit+0x63/0x1e0 net/devlink/core.c:288
 ops_pre_exit_list net/core/net_namespace.c:160 [inline]
 cleanup_net+0x2b4/0x5e0 net/core/net_namespace.c:602
 process_one_work+0x319/0x740 kernel/workqueue.c:2405
 worker_thread+0x328/0x580 kernel/workqueue.c:2552
 kthread+0x113/0x140 kernel/kthread.c:379
 ret_from_fork+0x29/0x50 arch/x86/entry/entry_64.S:308
 </TASK>