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INFO: task hung in crda_timeout_work (8)

Status: upstream: reported C repro on 2024/09/27 16:53
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+d41f74db64598e0b5016@syzkaller.appspotmail.com
First crash: 488d, last: 25d
Cause bisection: introduced by (bisect log) :
commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d
Author: Peter Zijlstra <peterz@infradead.org>
Date: Mon May 27 12:06:55 2024 +0000

  sched/rt: Remove default bandwidth control

Crash: INFO: task hung in corrupted (log)
Repro: C syz .config
  
▶ ▼ Discussions (13)
Title Replies (including bot) Last reply
[syzbot] Monthly wireless report (Sep 2025) 0 (1) 2025/09/25 16:01
[syzbot] Monthly wireless report (Aug 2025) 0 (1) 2025/08/25 13:19
[syzbot] Monthly wireless report (Jul 2025) 0 (1) 2025/07/25 12:39
[syzbot] Monthly wireless report (Jun 2025) 0 (1) 2025/06/24 07:38
[syzbot] Monthly wireless report (May 2025) 0 (1) 2025/05/24 10:04
[syzbot] Monthly wireless report (Apr 2025) 0 (1) 2025/04/22 12:41
[syzbot] Monthly wireless report (Mar 2025) 0 (1) 2025/03/18 14:49
[syzbot] Monthly wireless report (Feb 2025) 0 (1) 2025/02/16 21:53
[syzbot] Monthly wireless report (Jan 2025) 0 (1) 2025/01/15 13:48
[syzbot] Monthly wireless report (Dec 2024) 0 (1) 2024/12/16 09:44
[syzbot] Monthly wireless report (Nov 2024) 0 (1) 2024/11/14 08:58
[syzbot] Monthly wireless report (Oct 2024) 0 (1) 2024/10/14 07:15
[syzbot] [wireless?] INFO: task hung in crda_timeout_work (8) 0 (1) 2024/09/27 16:53
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in crda_timeout_work net 1 1 2613d 2613d 0/29 auto-closed as invalid on 2019/03/16 12:56
linux-6.1 INFO: task hung in crda_timeout_work (2) 1 1 386d 386d 0/3 auto-obsoleted due to no activity on 2025/01/30 06:51
upstream INFO: task hung in crda_timeout_work (2) net 1 1 2426d 2426d 0/29 auto-closed as invalid on 2019/09/19 06:28
upstream INFO: task hung in crda_timeout_work (7) wireless 1 1084 493d 536d 26/29 fixed on 2024/07/09 19:14
upstream INFO: task hung in crda_timeout_work (6) wireless 1 1 1232d 1232d 0/29 auto-closed as invalid on 2022/09/27 01:38
android-44 INFO: task hung in crda_timeout_work 1 1 2778d 2778d 0/2 auto-closed as invalid on 2019/02/22 14:39
upstream INFO: task hung in crda_timeout_work (3) wireless 1 8 1861d 1953d 0/29 auto-closed as invalid on 2021/01/06 02:49
upstream INFO: task hung in crda_timeout_work (5) wireless 1 1 1525d 1525d 0/29 auto-closed as invalid on 2021/12/07 21:47
linux-6.1 INFO: task hung in crda_timeout_work 1 49 458d 541d 0/3 auto-obsoleted due to no activity on 2024/10/20 15:08
linux-5.15 INFO: task hung in crda_timeout_work 1 41 364d 540d 0/3 auto-obsoleted due to no activity on 2025/01/22 17:11
upstream INFO: task hung in crda_timeout_work (4) wireless 1 1 1742d 1742d 0/29 auto-closed as invalid on 2021/05/17 11:47
linux-5.15 INFO: rcu detected stall in worker_thread 1 1 775d 775d 0/3 auto-obsoleted due to no activity on 2024/01/09 18:17
upstream INFO: rcu detected stall in worker_thread (8) kernel 1 1 918d 918d 0/29 auto-obsoleted due to no activity on 2023/08/07 05:14
upstream INFO: rcu detected stall in worker_thread (5) kernel 1 2 1259d 1296d 0/29 auto-closed as invalid on 2022/08/31 00:50
android-6-12 INFO: rcu detected stall in worker_thread 1 1 32d 32d 0/1 premoderation: reported on 2025/10/11 16:24
upstream INFO: rcu detected stall in worker_thread (9) netfilter 1 C done 4537 17h20m 767d 0/29 upstream: reported C repro on 2023/10/07 18:33
linux-6.1 INFO: rcu detected stall in worker_thread 1 6 511d 541d 0/3 auto-obsoleted due to no activity on 2024/09/27 16:46
linux-6.6 INFO: rcu detected stall in worker_thread origin:lts-only 1 C done 114 3d15h 147d 0/2 upstream: reported C repro on 2025/06/18 07:15
upstream INFO: rcu detected stall in worker_thread (6) kernel 1 1 1135d 1135d 0/29 auto-obsoleted due to no activity on 2023/01/12 15:50
linux-5.15 INFO: rcu detected stall in worker_thread (2) 1 4 514d 519d 0/3 auto-obsoleted due to no activity on 2024/09/24 04:34
upstream INFO: rcu detected stall in worker_thread (7) kernel 1 1 1028d 1028d 0/29 auto-obsoleted due to no activity on 2023/04/27 16:37
linux-6.1 INFO: rcu detected stall in worker_thread (2) 1 1 295d 295d 0/3 auto-obsoleted due to no activity on 2025/05/01 18:18
android-5-15 BUG: soft lockup in worker_thread origin:lts 1 C done 1 443d 443d 0/2 auto-obsoleted due to no activity on 2024/12/04 04:19
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/10/15 08:11 23m retest repro net-next report log
2025/10/15 08:11 21m retest repro net-next report log
2025/10/15 06:24 25m retest repro upstream OK log
2025/10/15 06:24 22m retest repro net report log
2025/10/15 03:34 39m retest repro upstream report log
2025/10/15 03:34 24m retest repro upstream report log
2025/10/15 03:34 25m retest repro upstream error
2025/10/15 03:34 25m retest repro upstream report log
2025/10/14 14:35 17m retest repro upstream report log
2025/07/26 13:22 20m retest repro upstream report log

Sample crash report:
INFO: task kworker/0:3:5893 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:24936 pid:5893  tgid:5893  ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events_power_efficient crda_timeout_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7058
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115
 __mutex_lock_common kernel/locking/mutex.c:676 [inline]
 __mutex_lock+0x7e6/0x1350 kernel/locking/mutex.c:760
 crda_timeout_work+0x15/0x50 net/wireless/reg.c:541
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319

Crashes (599):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/23 01:39 upstream a2e94e80790b bf27483f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2024/09/26 12:01 upstream aa486552a110 0d19f247 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/05/15 12:56 net 09db7a4d287d d6b2ee52 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2024/10/08 22:42 net-next 489cee4caeba 402f1df0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2024/10/12 05:23 upstream 9e4c6c1ad9a1 084d8178 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2024/10/06 20:22 upstream 8f602276d390 d7906eff .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/04/18 22:52 upstream fc96b232f8e7 2a20f901 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in crda_timeout_work
2024/10/18 07:06 net-next 6d858708d465 666f77ed .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/10/18 03:10 upstream 6f3b6e91f720 1c8c8cd8 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/09/30 14:30 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/09/28 17:41 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/09/27 23:03 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/09/24 06:25 upstream cec1e6e5d1ab 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in crda_timeout_work
2025/09/20 10:19 upstream 1522b530ac3e 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/09/14 12:46 upstream f83a4f2a4d8c e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/09/13 21:49 upstream 5cd64d4f9268 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/09/04 06:54 upstream b9a10f876409 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/09/02 12:57 upstream b320789d6883 807a3b61 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/09/01 11:33 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/09/01 04:04 upstream 5c3b3264e585 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/08/31 04:15 upstream c8bc81a52d5a 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/08/27 20:32 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/08/15 00:52 upstream 0cc53520e68b dcc075fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/08/09 19:33 upstream c30a13538d9f 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/07/12 05:37 upstream 40f92e79b0aa 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/07/12 03:21 upstream 40f92e79b0aa 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/07/09 08:52 upstream 733923397fd9 f4e5e155 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/06/24 20:52 upstream 78f4e737a53e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/06/17 22:33 upstream 9afe652958c3 417d98fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in crda_timeout_work
2025/05/27 13:40 upstream 0ff41df1cb26 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in crda_timeout_work
2025/05/25 04:13 upstream b1427432d3b6 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/05/16 13:03 upstream fee3e843b309 cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/04/30 12:37 upstream 8bac8898fe39 85a5a23f .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/04/04 15:13 upstream e48e99b6edf4 1c4febdb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/03/21 06:09 upstream 5fc319360819 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/03/17 08:37 upstream 4701f33a1070 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/03/15 15:53 upstream 3571e8b091f4 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/03/08 23:47 upstream 2a520073e74f 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in crda_timeout_work
2025/03/03 02:53 upstream 1973160c90d7 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/02/26 12:36 upstream ac9c34d1e45a d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in crda_timeout_work
2025/02/19 13:50 upstream 6537cfb395f3 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/02/19 08:26 upstream 6537cfb395f3 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/02/15 06:20 upstream 04f41cbf03ec 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in crda_timeout_work
2025/02/06 20:07 upstream 92514ef226f5 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/01/27 17:08 upstream c2da8b3f914f d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in crda_timeout_work
2024/09/18 03:01 upstream 2f27fce67173 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in crda_timeout_work
2025/08/17 20:22 upstream 99bade344cfa 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in crda_timeout_work
2025/04/30 08:35 upstream 8bac8898fe39 85a5a23f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in crda_timeout_work
2025/08/17 03:11 net 715c7a36d59f 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/02/11 02:17 net 011b03359038 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/29 20:20 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/29 17:50 net 9e6c4e6b605c 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 18:30 net b2aec4efe834 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 15:44 net b2aec4efe834 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 13:49 net b2aec4efe834 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 11:57 net b2aec4efe834 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 10:20 net b2aec4efe834 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 09:01 net b2aec4efe834 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in crda_timeout_work
2025/08/24 18:55 net-next b1c92cdf5af3 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/06/18 06:28 net-next d74520f39cdb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/04/03 13:38 net-next acc4d5ff0b61 996a9618 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/02/28 11:28 net-next 56794b5862c5 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/02/02 12:37 net-next c2933b2befe2 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/01/31 02:53 net-next 0ad9617c78ac 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/01/30 19:23 net-next 0ad9617c78ac 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/01/29 13:33 net-next 0ad9617c78ac 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/01/28 17:58 net-next 0ad9617c78ac f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in crda_timeout_work
2025/07/03 03:23 linux-next 50c8770a42fa 0cd59a8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in crda_timeout_work
2025/05/22 11:36 linux-next 460178e842c7 0919b50b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in crda_timeout_work
* Struck through repros no longer work on HEAD.