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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: 507d, last: 18h07m
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 (2)
Title Replies (including bot) Last reply
[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
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
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 (92):
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
2024/11/20 02:46 upstream a5c93bfec0be 7d02db5a .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
2024/11/06 16:48 upstream 2e1b3cc9d7f7 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/29 05:17 upstream 819837584309 9efb3cc7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/28 18:06 upstream 819837584309 9efb3cc7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/23 09:10 upstream c2ee9f594da8 15fa2979 .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
2024/10/23 04:21 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/21 08:57 upstream db87114dcf13 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/06 17:25 upstream 8f602276d390 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/09/30 11:36 upstream 9852d85ec9d4 ba29ff75 .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
2024/09/28 07:58 upstream ad46e8f95e93 440b26ec .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
2024/09/04 06:00 upstream 88fac17500f4 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in reg_process_self_managed_hints
2024/11/07 09:14 upstream 7758b206117d df3dc63b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/11/03 21:29 upstream a33ab3f94f51 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/10/24 08:42 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/10/17 22:43 upstream 6efbea77b390 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/10/14 22:33 upstream eca631b8fe80 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/10/06 14:26 upstream 8f602276d390 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/10/05 12:29 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in reg_process_self_managed_hints
2024/09/21 03:26 upstream baeb9a7d8b60 6f888b75 .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
2024/11/20 12:22 net 66418447d27b 7d02db5a .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
2024/11/20 05:25 net 66418447d27b 7d02db5a .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
2024/11/18 21:21 net 8ffade77b633 571351cb .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
2024/11/17 08:56 net 8ffade77b633 cfe3a04a .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
2024/11/16 20:01 net 8ffade77b633 cfe3a04a .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
2024/11/15 05:23 net cfaaa7d010d1 f6ede3a3 .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
2024/11/13 04:02 net 2b99b2532593 62026c85 .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
2024/11/07 16:19 net 5f897f30f596 c069283c .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
2024/10/22 09:28 net d95d9a31aceb a93682b3 .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
2024/10/20 22:46 net 3b05b9c36ddd cd6fc0a3 .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
2024/10/14 15:00 net 174714f0e505 084d8178 .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
2024/10/01 21:12 net 6c24a03a61a2 ea2b66a6 .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
2024/11/16 03:45 net-next dfc14664794a cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/11/10 04:17 net-next cf6d9fe09185 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/11/09 22:26 net-next cf6d9fe09185 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/11/03 11:37 net-next dbb9a7ef3478 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/31 16:41 net-next 157a4881225b 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/29 09:41 net-next ab101c553bc1 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/18 11:24 net-next 6d858708d465 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/17 11:08 net-next 6d858708d465 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/12 06:09 net-next d677aebd663d 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/10 22:44 net-next 09cf85ef183a 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/05 19:59 net-next d521db38f339 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/05 16:25 net-next d521db38f339 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/09/28 02:35 net-next c824deb1a897 2b1784d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in reg_process_self_managed_hints
2024/10/16 18:57 linux-next 15e7d45e786a 666f77ed .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
2024/10/03 22:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2024/09/30 15:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2024/09/27 11:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2024/09/26 03:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2024/09/25 06:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 349a68c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in reg_process_self_managed_hints
2024/09/20 02:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5f5673607153 6f888b75 .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.