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INFO: task hung in reg_process_self_managed_hints

Status: upstream: reported C repro on 2023/08/21 16:36
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+1f16507d9ec05f64210a@syzkaller.appspotmail.com
First crash: 725d, last: 2h58m
Cause bisection: introduced by (bisect log) :
commit d15121be7485655129101f3960ae6add40204463
Author: Paolo Abeni <pabeni@redhat.com>
Date: Mon May 8 06:17:44 2023 +0000

  Revert "softirq: Let ksoftirqd do its job"

Crash: INFO: rcu detected stall in corrupted (log)
Repro: C syz .config
  
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[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 2024) 0 (1) 2024/04/05 12:46
[syzbot] [net?] [wireless?] INFO: task hung in reg_process_self_managed_hints 0 (1) 2023/08/21 16:36
▶ ▼ Similar bugs (14)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: rcu detected stall in corrupted origin:upstream missing-backport C inconclusive 3908 4d10h 836d 0/3 upstream: reported C repro on 2023/03/13 04:03
upstream INFO: task hung in exit_aio (4) fs 6 195d 261d 0/29 auto-obsoleted due to no activity on 2025/03/13 05:51
android-5-15 BUG: soft lockup in corrupted origin:upstream C error 33 284d 441d 0/2 upstream: reported C repro on 2024/04/11 09:01
upstream BUG: workqueue lockup (5) wireguard arm C done 12747 2h47m 1989d 0/29 upstream: reported C repro on 2020/01/14 22:04
upstream INFO: task hung in nsim_destroy (4) net 427 36d 391d 0/29 upstream: reported on 2024/05/31 11:16
linux-6.6 INFO: rcu detected stall in corrupted syz 2 2d20h 3d04h 0/2 upstream: reported syz repro on 2025/06/23 09:19
upstream INFO: rcu detected stall in corrupted (4) tipc C done inconclusive 668 15h18m 1755d 0/29 upstream: reported C repro on 2020/09/04 18:49
linux-4.14 BUG: soft lockup in corrupted C error 12 1060d 1544d 0/1 upstream: reported C repro on 2021/04/04 06:30
upstream INFO: task hung in reg_check_chans_work (7) wireless C error 562 19h05m 276d 0/29 upstream: reported C repro on 2024/09/23 08:39
linux-4.19 INFO: rcu detected stall in corrupted C error 2 1253d 1960d 0/1 upstream: reported C repro on 2020/02/13 05:06
upstream INFO: task hung in uevent_show (2) kernel C inconclusive 8325 6d10h 228d 0/29 upstream: reported C repro on 2024/11/09 14:37
linux-4.19 BUG: soft lockup in corrupted C error 3 1089d 1277d 0/1 upstream: reported C repro on 2021/12/26 20:46
linux-5.15 INFO: rcu detected stall in corrupted origin:lts-only C error 23 7d10h 612d 0/3 upstream: reported C repro on 2023/10/23 02:41
upstream INFO: rcu detected stall in vms_gather_munmap_vmas mm syz 34 2d09h 42d 0/29 upstream: reported syz repro on 2025/05/14 22:03
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2024/12/06 01:00 18m retest repro upstream report log
2024/12/06 00:33 26m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/08/02 03:14 33m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/08/02 02:34 19m retest repro upstream report log
2023/09/02 18:30 24m retest repro upstream report log
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2024/03/05 17:00 2h32m bisect fix upstream OK (0) job log log
2024/01/10 16:37 3h48m bisect fix upstream OK (0) job log log
2023/12/11 05:42 3h06m bisect fix upstream OK (0) job log log
2023/11/10 01:23 3h50m bisect fix upstream OK (0) job log log
2023/10/10 18:14 5h01m bisect fix upstream OK (0) job log log

Sample crash report:
INFO: task syz-executor296:5042 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor296 state:D stack:24336 pid:5042  ppid:5038   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6710
 schedule+0xe7/0x1b0 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 wiphy_lock include/net/cfg80211.h:5776 [inline]
 reg_process_self_managed_hints+0x78/0x170 net/wireless/reg.c:3181

Crashes (663):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/19 14:06 upstream d4ddefee5160 d216d8a0 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in reg_process_self_managed_hints
2024/06/12 15:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8867bbd4a056 4d75f4f7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2024/12/18 11:02 upstream 59dbb9d81adf a0626d3a .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in reg_process_self_managed_hints
2025/06/23 18:48 upstream 86731a2a651e 1a7fb460 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in reg_process_self_managed_hints
2025/06/13 12:10 upstream 27605c8c0f69 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in reg_process_self_managed_hints
2025/06/03 07:53 upstream 7f9039c524a3 b396b4bf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in reg_process_self_managed_hints
2025/05/23 14:03 upstream 94305e83eccb f8cc0c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2025/05/02 12:13 upstream ebd297a2affa 2bfec9c0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in reg_process_self_managed_hints
2025/04/30 21:56 upstream b6ea1680d0ac 937aafd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in reg_process_self_managed_hints
2025/01/30 06:07 upstream 805ba04cb7cc afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: task hung in reg_process_self_managed_hints
2025/04/30 08:36 upstream 8bac8898fe39 85a5a23f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2023/07/09 14:28 upstream 1c7873e33645 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root INFO: task hung in reg_process_self_managed_hints
2025/01/30 09:00 net 9e6c4e6b605c afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in reg_process_self_managed_hints
2025/06/12 17:18 net-next 5d6d67c4cb10 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2025/03/29 16:11 linux-next e21edb1638e8 d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in reg_process_self_managed_hints
2025/06/26 11:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/25 19:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/25 15:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/25 07:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/25 04:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/24 16:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 26d77996 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/24 07:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 1a7fb460 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/24 05:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e 1a7fb460 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/23 14:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/23 13:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/23 10:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/23 07:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/23 03:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/21 01:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/20 14:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e e3003213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/20 12:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d e3003213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/20 12:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d e3003213 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/19 17:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/19 02:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/18 13:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d ca631f70 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/18 05:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/18 01:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 417d98fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/17 07:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/17 00:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/16 14:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/16 11:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/15 13:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/15 02:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/14 22:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/14 15:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/14 09:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 0e8da31f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/14 01:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 0e8da31f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/13 23:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 0e8da31f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/13 18:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/13 14:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/13 11:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/13 07:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/13 04:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/12 23:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/12 07:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/11 19:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/11 11:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 5d7e17ca .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2025/06/11 07:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci d7fa1af5b33e 5d7e17ca .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
* Struck through repros no longer work on HEAD.