INFO: task hung in cfg802154_pernet

INFO: task hung in cfg802154_pernet_exit (3)

Status: auto-obsoleted due to no activity on 2023/02/10 17:36
Subsystems: wpan
[Documentation on labels]
First crash: 542d, last: 542d

▶ ▼ Similar bugs (2)

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in cfg802154_pernet_exit (2) wpan				15	923d	971d	0/26	auto-closed as invalid on 2022/01/18 07:35
upstream	INFO: task hung in cfg802154_pernet_exit wpan				1	1154d	1154d	0/26	auto-closed as invalid on 2021/06/01 14:17

Sample crash report:

INFO: task kworker/u4:4:19350 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc3-syzkaller-00239-g10d916c86eca #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:4    state:D stack:23192 pid:19350 ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
 cfg802154_pernet_exit+0x13/0xd0 net/ieee802154/core.c:324
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:169
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:601
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/11/05 10:30	upstream	10d916c86eca	6d752409	.config	console log	report			info		ci-upstream-kasan-gce-selinux-root	INFO: task hung in cfg802154_pernet_exit

* ~~Struck through~~ repros no longer work on HEAD.