syzbot


INFO: rcu detected stall in ieee80211_tasklet_handler
Status: upstream: reported C repro on 2020/12/19 15:14
Reported-by: syzbot+7bb955045fc0840decd3@syzkaller.appspotmail.com
Fix commit: mac80211-hwsim: fix late beacon hrtimer handling
Patched on: [], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 325d, last: 32d

Cause bisection: failed (bisect log)

Fix bisection: fixed by (bisect log) :
commit 313bbd1990b6ddfdaa7da098d0c56b098a833572
Author: Johannes Berg <johannes.berg@intel.com>
Date: Wed Sep 15 09:29:37 2021 +0000

  mac80211-hwsim: fix late beacon hrtimer handling

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in ieee80211_tasklet_handler C inconclusive error 9 155d 246d 0/22 upstream: reported C repro on 2021/02/23 17:55
linux-4.19 BUG: soft lockup in ieee80211_tasklet_handler 10 1d20h 223d 0/1 upstream: reported on 2021/03/19 03:24

Sample crash report:

Crashes (74):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/09/02 01:07 upstream 835d31d319d9 7eb7e152 .config log report syz C INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/03 08:56 upstream 3516bd729358 79264ae3 .config log report syz C
ci-upstream-kasan-gce-root 2021/01/04 07:48 upstream e71ba9452f0b 79264ae3 .config log report syz
ci-upstream-kasan-gce-root 2020/12/15 15:01 upstream 148842c98a24 97183ed7 .config log report syz
ci-upstream-kasan-gce 2021/09/25 20:38 upstream 7d42e9818258 8cac236e .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/09/04 16:02 upstream f1583cb1be35 d236a457 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-smack-root 2021/05/28 03:40 upstream 97e5bf604b7a 858ea628 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-selinux-root 2021/05/17 21:48 upstream d07f6ca923ea a343ba6b .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/05/10 23:28 upstream 0aa099a312b6 ca873091 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/04/06 21:42 upstream 0a50438c8436 6a81331a .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/03/04 10:36 upstream f69d02e37a85 d7e4e604 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/03/04 09:03 upstream f69d02e37a85 d7e4e604 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/27 21:40 upstream 5695e5161974 4c37c133 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/27 19:47 upstream 5695e5161974 4c37c133 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/27 12:26 upstream 3fb6d0e00efc 4c37c133 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/27 06:50 upstream 3fb6d0e00efc 4c37c133 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/26 15:28 upstream 2c87f7a38f93 4c37c133 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/25 18:41 upstream 29c395c77a9a 76f7fc95 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/25 17:08 upstream 29c395c77a9a 76f7fc95 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/25 04:28 upstream 062c84fccc44 fcc6d71b .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/23 10:36 upstream a99163e9e708 c26fb06b .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/22 22:50 upstream a99163e9e708 c26fb06b .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/22 19:24 upstream a99163e9e708 c26fb06b .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/22 11:47 upstream 31caf8b2a847 a659b3f1 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/21 23:25 upstream 55f62bc87347 a659b3f1 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/21 19:01 upstream 55f62bc87347 a659b3f1 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/02/04 12:24 upstream 61556703b610 42b90a7c .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/29 08:52 upstream bec4c2968fce 6593fd32 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/27 07:59 upstream 2ab38c17aac1 55a7d4df .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/24 22:43 upstream e68061375f79 52e37319 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/21 01:07 upstream 75439bc439e0 d4f4eca5 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/17 21:57 upstream a1339d6355ac 813be542 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-kasan-gce 2021/08/05 22:55 bpf a02215ce72a3 d2d6e680 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-kasan-gce 2021/06/27 11:49 bpf 3db6735f2ef4 9d2ab5df .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-kasan-gce 2021/06/19 04:25 bpf 61e8aeda9398 aba2b2fb .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-kasan-gce 2021/05/15 02:56 bpf c9a7c013569d 8bdd5343 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-net-kasan-gce 2021/09/07 13:13 net-next 27151f177827 6ca60148 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-next-kasan-gce 2021/06/09 04:42 bpf-next 380afe720896 5c2fe346 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-next-kasan-gce 2021/04/26 11:13 bpf-next 0ea1041bfa3a 2a82f1b3 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-bpf-next-kasan-gce 2021/01/19 06:45 bpf-next a2c2998d5c6b 63631df1 .config log report info INFO: rcu detected stall in ieee80211_tasklet_handler
ci-upstream-kasan-gce-root 2021/01/17 11:55 upstream 0da0a8a0a0e1 813be542 .config log report info
ci-upstream-kasan-gce-root 2021/01/16 15:43 upstream 1d94330a437a 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/15 17:10 upstream 5ee88057889b 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/15 08:24 upstream 146620506274 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/09 11:44 upstream 996e435fd401 a6c52263 .config log report info
ci-upstream-kasan-gce-root 2021/01/07 19:00 upstream 71c061d24438 c104d4a3 .config log report info
ci-upstream-kasan-gce-root 2021/01/01 22:26 upstream eda809aef534 79264ae3 .config log report info
ci-upstream-kasan-gce-root 2020/12/31 01:50 upstream f6e1ea196492 5cc121d6 .config log report info
ci-upstream-kasan-gce-root 2020/12/28 05:06 upstream 5c8fe583cce5 2242f77f .config log report info
ci-upstream-kasan-gce-root 2020/12/15 20:35 upstream 148842c98a24 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/15 14:55 upstream 148842c98a24 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/15 07:47 upstream 148842c98a24 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/15 07:17 upstream 148842c98a24 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/14 22:03 upstream 2c85ebc57b3e 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/14 18:21 upstream 2c85ebc57b3e 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/13 23:22 upstream 6bff9bb8a292 b22a7ec3 .config log report info
ci-upstream-kasan-gce-root 2020/12/13 15:22 upstream 6bff9bb8a292 bca53db9 .config log report info
ci-upstream-kasan-gce-root 2020/12/13 15:20 upstream 6bff9bb8a292 bca53db9 .config log report info
ci-upstream-kasan-gce-root 2020/12/13 10:46 upstream 7b1b868e1d91 bca53db9 .config log report info
ci-upstream-kasan-gce-root 2020/12/13 03:32 upstream 7b1b868e1d91 bca53db9 .config log report info
ci-upstream-kasan-gce-root 2020/12/12 22:50 upstream 7b1b868e1d91 bca53db9 .config log report info
ci-upstream-kasan-gce-root 2020/12/12 07:07 upstream 7f376f1917d7 bca53db9 .config log report info
ci-upstream-kasan-gce-root 2020/12/12 06:16 upstream 33dc9614dc20 ba24ffcd .config log report info
ci-upstream-kasan-gce-root 2020/12/11 09:54 upstream 33dc9614dc20 f900b48c .config log report info
ci-upstream-kasan-gce-root 2020/12/11 08:03 upstream 33dc9614dc20 f900b48c .config log report info
ci-upstream-kasan-gce-root 2020/12/10 15:33 upstream a2f5ea9e314b f900b48c .config log report info
ci-upstream-kasan-gce-root 2020/12/10 04:13 upstream a68a0262abda c090b4da .config log report info
ci-upstream-kasan-gce-root 2020/12/08 19:58 upstream cd796ed33450 a7f7f4a4 .config log report info
ci-upstream-kasan-gce-root 2020/12/08 18:55 upstream cd796ed33450 a7f7f4a4 .config log report info
ci-upstream-kasan-gce-root 2020/12/07 14:00 upstream 0477e9288185 1190297f .config log report info
ci-upstream-kasan-gce-root 2020/12/07 12:52 upstream 0477e9288185 1190297f .config log report info