syzbot


INFO: task hung in crda_timeout_work (2)

Status: upstream: reported on 2024/10/22 06:51
Reported-by: syzbot+112ad64e536fedb95aca@syzkaller.appspotmail.com
First crash: 46d, last: 46d
Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in crda_timeout_work net 1 2273d 2273d 0/28 auto-closed as invalid on 2019/03/16 12:56
upstream INFO: task hung in crda_timeout_work (8) wireless C done 385 2h00m 71d 0/28 upstream: reported C repro on 2024/09/27 16:53
upstream INFO: task hung in crda_timeout_work (2) net 1 2087d 2087d 0/28 auto-closed as invalid on 2019/09/19 06:28
upstream INFO: task hung in crda_timeout_work (7) wireless 1084 153d 197d 26/28 fixed on 2024/07/09 19:14
upstream INFO: task hung in crda_timeout_work (6) wireless 1 893d 893d 0/28 auto-closed as invalid on 2022/09/27 01:38
android-44 INFO: task hung in crda_timeout_work 1 2438d 2438d 0/2 auto-closed as invalid on 2019/02/22 14:39
upstream INFO: task hung in crda_timeout_work (3) wireless 8 1522d 1614d 0/28 auto-closed as invalid on 2021/01/06 02:49
upstream INFO: task hung in crda_timeout_work (5) wireless 1 1186d 1186d 0/28 auto-closed as invalid on 2021/12/07 21:47
linux-6.1 INFO: task hung in crda_timeout_work 49 118d 201d 0/3 auto-obsoleted due to no activity on 2024/10/20 15:08
linux-5.15 INFO: task hung in crda_timeout_work 41 24d 200d 0/3 upstream: reported on 2024/05/21 09:52
upstream INFO: task hung in crda_timeout_work (4) wireless 1 1402d 1402d 0/28 auto-closed as invalid on 2021/05/17 11:47

Sample crash report:
INFO: task kworker/1:7:3687 blocked for more than 145 seconds.
      Not tainted 6.1.113-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:23224 pid:3687  ppid:2      flags:0x00004000
Workqueue: events_power_efficient crda_timeout_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0x143f/0x4570 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
 crda_timeout_work+0x11/0x50 net/wireless/reg.c:538
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/22 06:51 linux-6.1.y 54d90d17e8ce a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: task hung in crda_timeout_work
* Struck through repros no longer work on HEAD.