syzbot


INFO: rcu detected stall in smp_call_function
Status: fixed on 2021/04/13 06:26
Reported-by: syzbot+cb3b69ae80afd6535b0e@syzkaller.appspotmail.com
Fix commit: c583bcb8f5ed rcu: Don't invoke try_invoke_on_locked_down_task() with irqs disabled 1b7af295541d sched/core: Allow try_invoke_on_locked_down_task() with irqs disabled
First crash: 507d, last: 232d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in smp_call_function C done 564 1d12h 503d 0/22 upstream: reported C repro on 2020/07/12 23:02
android-54 BUG: soft lockup in smp_call_function 1 23d 23d 0/1 upstream: reported on 2021/11/05 18:04

Sample crash report:

Crashes (107):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/09/06 18:40 upstream dd9fb9bb3340 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/04/03 04:46 upstream d93a0d43e3d0 6a81331a .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/02/05 14:01 upstream dd86e7fa07a3 23a562df .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/28 15:36 upstream 76c057c84d28 7df34f59 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-root 2021/01/23 23:58 upstream e1ae4b0be158 52e37319 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-root 2021/01/22 21:14 upstream 83d09ad4b950 4080af96 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/17 21:15 upstream a1339d6355ac 813be542 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/04/10 09:38 linux-next e99d8a849517 bfeda1b1 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/01/23 09:11 linux-next bc085f8fc88f 52e37319 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-root 2021/01/17 02:03 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-kasan-gce-selinux-root 2021/01/10 02:09 upstream 996e435fd401 2c1f2513 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/21 13:01 upstream e37b12e4bb21 04201c06 .config log report info
ci-upstream-kasan-gce-root 2020/11/30 09:06 upstream b65054597872 a0092f9d .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/26 13:19 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-root 2020/11/23 10:20 upstream 418baf2c28f3 0d27f508 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/21 08:28 upstream 27bba9c532a8 68068804 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/20 09:42 upstream 4d02da974ea8 0767f13f .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/17 21:50 upstream 111e91a6df50 bd2a760b .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/06 01:13 upstream 7575fdda569b 1880b4a9 .config log report info
ci-upstream-kasan-gce-root 2020/10/05 02:14 upstream 549738f15da0 5ef9c291 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/02 16:37 upstream 472e5b056f00 4969d6ca .config log report info
ci-upstream-kasan-gce-root 2020/09/29 22:29 upstream ccc1d052eff9 5abc3f1a .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/26 06:33 upstream 7c7ec3226f5f 4a006f63 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/19 13:18 upstream eb5f95f1593f 53ce8104 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/19 06:08 upstream 10b82d517648 53ce8104 .config log report info
ci-upstream-kasan-gce-root 2020/09/11 08:56 upstream 581cb3a26baf adfb8b4e .config log report
ci-upstream-kasan-gce-root 2020/09/10 08:16 upstream 34d4ddd359db 409809d8 .config log report
ci-upstream-kasan-gce-smack-root 2020/09/08 18:34 upstream f4d51dffc6c0 abf9ba4f .config log report
ci-upstream-kasan-gce-selinux-root 2020/09/07 04:20 upstream f4d51dffc6c0 abf9ba4f .config log report
ci-upstream-kasan-gce-root 2020/09/07 01:29 upstream f4d51dffc6c0 abf9ba4f .config log report
ci-upstream-kasan-gce-root 2020/09/06 12:58 upstream dd9fb9bb3340 abf9ba4f .config log report
ci-upstream-kasan-gce-root 2020/09/05 13:17 upstream c70672d8d316 abf9ba4f .config log report
ci-upstream-kasan-gce-smack-root 2020/09/05 05:34 upstream c70672d8d316 abf9ba4f .config log report
ci-upstream-kasan-gce-smack-root 2020/09/04 00:22 upstream e28f0104343d abf9ba4f .config log report
ci-upstream-kasan-gce-smack-root 2020/08/30 03:39 upstream 1127b219ce94 d5a3ae1f .config log report
ci-upstream-kasan-gce-root 2020/08/28 22:35 upstream 96d454cd2c16 d5a3ae1f .config log report
ci-upstream-kasan-gce-smack-root 2020/07/28 23:54 upstream 6ba1b005ffc3 cb93dc6a .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/25 07:05 upstream 68845a55c31b 1f7cc1ca .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/08 21:49 upstream 0bddd227f3dc bc238812 .config log report
ci-upstream-bpf-kasan-gce 2020/09/08 05:52 bpf e6135df45e21 abf9ba4f .config log report
ci-upstream-bpf-kasan-gce 2020/09/03 11:26 bpf 1eb832ac2dee abf9ba4f .config log report
ci-upstream-net-this-kasan-gce 2020/08/31 11:04 net c8146fe292a7 d5a3ae1f .config log report
ci-upstream-bpf-next-kasan-gce 2020/09/01 11:35 bpf-next 29523c5e6716 d5a3ae1f .config log report
ci-upstream-bpf-next-kasan-gce 2020/08/29 21:01 bpf-next 10496f261ed3 d5a3ae1f .config log report
ci-upstream-bpf-next-kasan-gce 2020/08/29 03:47 bpf-next 661b37cd437e d5a3ae1f .config log report
ci-upstream-linux-next-kasan-gce-root 2021/01/06 06:26 linux-next 7e4525a4232f b1c228e1 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/01/04 04:37 linux-next 766eff5a4f6c 79264ae3 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/29 17:24 linux-next d7a03a44a5e9 80910769 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/28 17:25 linux-next d7a03a44a5e9 8259d56c .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/16 18:03 linux-next 26aed0ea32c8 04201c06 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/13 07:39 linux-next 14240d4c5b25 bca53db9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/09 06:45 linux-next a9e26cb5f261 40cc414d .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/01 02:56 linux-next c6b11acc5f85 b3a34598 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/23 12:12 linux-next 62918e6fd7b5 0d27f508 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/07 21:46 linux-next 8b787da7ba8c 1880b4a9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/03 23:47 linux-next 2172e358cd17 1a3f9408 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/01 13:13 linux-next d39294091fee a9767fb2 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/13 23:00 linux-next d5b2251d63b5 2d3cdd63 .config log report