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INFO: task hung in cfg80211_event_work (3)

Status: auto-obsoleted due to no activity on 2024/09/28 13:35
Subsystems: wireless
[Documentation on labels]
First crash: 107d, last: 107d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in cfg80211_event_work (2) wireless C done error 3 219d 461d 0/28 auto-obsoleted due to no activity on 2024/06/18 14:16
upstream INFO: task hung in cfg80211_event_work wireless C unreliable error 4 1368d 1401d 0/28 closed as invalid on 2022/02/08 10:49
upstream INFO: task hung in cfg80211_event_work (4) wireless syz 4 5d06h 5d17h 0/28 upstream: reported syz repro on 2024/10/10 15:19
linux-4.19 INFO: task hung in cfg80211_event_work 1 634d 634d 0/1 upstream: reported on 2023/01/21 03:03

Sample crash report:
INFO: task kworker/R-cfg80:60 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc5-syzkaller-g8fcad59bb267 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/R-cfg80 state:D stack:0     pid:60    tgid:60    ppid:2      flags:0x00000008
Workqueue: cfg80211 cfg80211_event_work
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x14ac/0x24d8 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6894
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684
 __mutex_lock kernel/locking/mutex.c:752 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
 wiphy_lock include/net/cfg80211.h:5966 [inline]
 cfg80211_event_work+0x2c/0x4c net/wireless/core.c:334
 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231
 process_scheduled_works kernel/workqueue.c:3312 [inline]
 rescuer_thread+0x588/0xcc0 kernel/workqueue.c:3489
 kthread+0x288/0x310 kernel/kthread.c:389

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/30 13:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8fcad59bb267 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in cfg80211_event_work
* Struck through repros no longer work on HEAD.