INFO: task hung in cfg80211_wiphy_work

Status: auto-obsoleted due to no activity on 2025/01/22 12:16
Subsystems: wireless
[Documentation on labels]
First crash: 703d, last: 673d
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in cfg80211_wiphy_work (3) prio:low wireless 1 1 106d 106d 0/29 auto-obsoleted due to no activity on 2026/08/12 10:08
upstream INFO: task hung in cfg80211_wiphy_work (2) wireless 1 2 444d 464d 0/29 auto-obsoleted due to no activity on 2025/09/08 05:01

Sample crash report:
INFO: task kworker/u8:19:10876 blocked for more than 153 seconds.
      Not tainted 6.12.0-rc3-syzkaller-00013-geca631b8fe80 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:19   state:D stack:20944 pid:10876 tgid:10876 ppid:2      flags:0x00004000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0x1843/0x4ae0 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6774
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6831
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
 wiphy_lock include/net/cfg80211.h:6014 [inline]
 cfg80211_wiphy_work+0xd9/0x490 net/wireless/core.c:426

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/15 04:53 upstream eca631b8fe80 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in cfg80211_wiphy_work
2024/09/24 15:48 upstream abf2050f51fd 5643e0e9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in cfg80211_wiphy_work
2024/10/24 12:11 net-next 6d858708d465 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in cfg80211_wiphy_work
* Struck through repros no longer work on HEAD.