syzbot


BUG: soft lockup in smp_call_function
Status: upstream: reported C repro on 2020/07/12 23:02
Reported-by: syzbot+cce3691658bef1b12ac9@syzkaller.appspotmail.com
First crash: 287d, last: 12h45m

Cause bisection: introduced by (bisect log) :
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: BUG: soft lockup in smp_call_function (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in smp_call_function C 107 11d 266d 22/22 fixed on 2021/04/13 06:26

Sample crash report:

Crashes (239):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/08/16 01:04 upstream c9c9735c 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/22 18:32 upstream 4fa640dc 128cd85f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/07/15 07:21 upstream e9919e11 609fb517 .config log report syz C
ci-upstream-kasan-gce-root 2020/07/13 08:57 upstream 4437dd6e 9ebcc5b1 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/12 11:25 linux-next bc09acc9 bb3e5fe6 .config log report syz C
ci-upstream-kasan-gce-root 2021/04/19 10:08 upstream bf05bf16 50f523d7 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/04/14 02:40 upstream eebe426d a184b83e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/04/03 21:14 upstream 57fbdb15 6a81331a .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/04/03 19:23 upstream 57fbdb15 6a81331a .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/04/02 16:20 upstream 1678e493 6a81331a .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/04/01 22:17 upstream ffd9fb54 6a81331a .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/03/27 02:19 upstream db24726b a8529b82 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/03/01 20:45 upstream fe07bfda 183afb6c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/01/31 15:53 upstream 6642d600 fc9fd31e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/28 20:34 upstream e5ff2cb9 7df34f59 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/28 17:41 upstream 76c057c8 7df34f59 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/26 19:24 upstream 13391c60 55a7d4df .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/22 20:26 upstream 83d09ad4 4080af96 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/19 03:42 upstream 1e2a199f 63631df1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/01/18 16:25 upstream 19c329f6 63631df1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/01/18 04:38 upstream a1339d63 fd103621 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/01/17 20:19 upstream 0da0a8a0 813be542 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-this-kasan-gce 2021/01/28 03:13 net b491e6a7 eefc07f2 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/04/21 11:10 linux-next 1216f02e 95777977 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/03/31 18:18 linux-next 93129492 6a81331a .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/02/04 14:14 linux-next 0e2c50f4 42b90a7c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/01/23 09:57 linux-next bc085f8f 52e37319 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/01/21 09:21 linux-next bc085f8f d4f4eca5 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/01/20 10:07 linux-next 647060f3 d4f4eca5 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/04/15 00:15 upstream 7f75285c fcdb12ba .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/04/13 14:37 upstream 89698bec bfeda1b1 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/17 04:44 upstream 0da0a8a0 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/15 17:45 upstream 5ee88057 65a7a854 .config log report info
ci-upstream-kasan-gce-selinux-root 2021/01/14 15:59 upstream 65f0d241 65a7a854 .config log report info
ci-upstream-kasan-gce 2021/01/10 02:05 upstream 996e435f 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2020/12/13 21:54 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/11 15:15 upstream 33dc9614 ba24ffcd .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/06 22:55 upstream 7059c2c0 c521566d .config log report info
ci-upstream-kasan-gce-root 2020/12/03 10:54 upstream 34816d20 e6b0d314 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/30 13:45 upstream b6505459 78d50c1d .config log report info
ci-upstream-kasan-gce-root 2020/11/27 21:46 upstream 99c710c4 486f93ef .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/26 01:04 upstream fa02fcd9 2f1cec62 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/20 10:43 upstream 4d02da97 0767f13f .config log report info
ci-upstream-kasan-gce-root 2020/11/15 17:50 upstream e28c0d7c 1bf9a662 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/13 16:22 upstream 585e5b17 e1140d25 .config log report info
ci-upstream-kasan-gce-root 2020/11/12 21:42 upstream af5043c8 77a55c8e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/12 10:58 upstream 3d5e28bf 77a55c8e .config log report info
ci-upstream-kasan-gce-root 2020/11/07 14:10 upstream 659caaf6 64069d48 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/06 12:16 upstream 7575fdda 1880b4a9 .config log report info
ci-upstream-kasan-gce-smack-root 2020/10/06 02:25 upstream 7575fdda 1880b4a9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/05 17:42 upstream 549738f1 1880b4a9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/04 16:30 upstream 22fbc037 5ef9c291 .config log report info
ci-upstream-kasan-gce-smack-root 2020/10/04 11:32 upstream 22fbc037 5ef9c291 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/02 04:48 upstream fcadab74 9602ddf4 .config log report info
ci-upstream-kasan-gce-root 2020/07/12 23:01 upstream 4437dd6e 9ebcc5b1 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/10 22:54 upstream a581387e 18d18b59 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/08 22:22 upstream 0bddd227 bc238812 .config log report
ci-upstream-kasan-gce-386 2020/09/05 21:37 upstream 9322c47b abf9ba4f .config log report
ci-upstream-net-this-kasan-gce 2020/10/11 17:35 net 874fb9e2 4a77ae0b .config log report info
ci-upstream-bpf-next-kasan-gce 2020/11/02 15:12 bpf-next cb5dc5b0 8bc4594f .config log report info
ci-upstream-net-kasan-gce 2020/09/25 21:38 net-next aafe8853 4a006f63 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/04/15 20:53 linux-next 1216f02e c59079a6 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/01/07 11:18 linux-next 2d3811a4 c104d4a3 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/06 20:33 linux-next 0eedceaf c521566d .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/27 19:18 linux-next 6174f052 486f93ef .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/29 19:43 linux-next 3f267ec6 a0c7169a .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/02 17:10 linux-next 2172e358 4969d6ca .config log report info