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: 465d, last: 3h52m

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 190d 445d 22/22 fixed on 2021/04/13 06:26

Sample crash report:

Crashes (475):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/07/17 16:50 net-next ab0441b4a920 f115ae98 .config log report syz C BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/06/09 10:47 upstream 4c8684fe555e 5c2fe346 .config log report syz C INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-root 2020/08/16 01:04 upstream c9c9735c46f5 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/22 18:32 upstream 4fa640dc5230 128cd85f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/07/15 07:21 upstream e9919e11e219 609fb517 .config log report syz C
ci-upstream-kasan-gce-root 2020/07/13 08:57 upstream 4437dd6e8f71 9ebcc5b1 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/12 11:25 linux-next bc09acc9f224 bb3e5fe6 .config log report syz C
ci-upstream-kasan-gce 2021/10/17 05:46 upstream 304040fb4909 0c5d9412 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/16 22:24 upstream 304040fb4909 0c5d9412 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/15 10:18 upstream ec681c53f8d2 0c5d9412 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/14 17:34 upstream 26d657410983 5462d470 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/13 22:38 upstream 348949d9a444 5462d470 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/12 07:14 upstream fa5878760579 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/12 05:54 upstream fa5878760579 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/10/11 09:45 upstream 64570fbc14f8 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/11 01:13 upstream efb52a7d9511 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/10/10 19:21 upstream efb52a7d9511 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/10 10:03 upstream 7fd2bf83d59a 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/09 21:13 upstream 5d6ab0bb408f 838e7e2c .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/10/08 10:29 upstream 1da38549dd64 efe0f24d .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/08 09:23 upstream 1da38549dd64 efe0f24d .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/07 22:51 upstream 4a16df549d23 efe0f24d .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/07 20:28 upstream 4a16df549d23 efe0f24d .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/05 16:49 upstream f6274b06e326 0a63fd36 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/04 22:05 upstream 84b3e42564ac ce697b49 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/04 20:07 upstream 84b3e42564ac ce697b49 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/10/04 09:33 upstream 9e1ff307c779 ce697b49 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/03 22:28 upstream 6761a0ae9895 db0f5787 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/10/03 16:17 upstream 7b66f4393ad4 db0f5787 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/10/02 02:03 upstream 24f67d82c43c cc80db95 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/09/30 21:36 upstream 02d5e016800d 1d849ab4 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/28 00:45 upstream 0513e464f900 78494d16 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/26 21:23 upstream 996148ee05d0 78494d16 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/09/24 22:43 upstream 4c4f0c2bf341 8cac236e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/24 08:59 upstream f9e36107ec70 8cac236e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/09/24 04:14 upstream f9e36107ec70 8cac236e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/17 04:06 upstream bdb575f87217 5b989942 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/16 16:34 upstream ff1ffd71d5f0 aae492f2 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce 2021/09/16 13:02 upstream b7213ffa0e58 07e953c1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/16 02:35 upstream b7213ffa0e58 07e953c1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/09/16 00:55 upstream b7213ffa0e58 07e953c1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/15 11:04 upstream 3ca706c189db 07e953c1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/09/14 20:27 upstream 1619b69edce1 07e953c1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/09/11 06:03 upstream 926de8c4326c 5ae8508a .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/09/09 21:38 upstream a3fa7a101dcf e2776ee4 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/09 17:36 upstream a3fa7a101dcf e2776ee4 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/09/09 05:27 upstream 2d338201d531 e2776ee4 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-selinux-root 2021/09/07 23:25 upstream a2b28235335f 064c9eb7 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce 2021/09/07 02:47 upstream 27151f177827 6ca60148 .config log report info BUG: soft lockup in smp_call_function
ci-qemu2-arm32 2021/08/11 20:37 upstream bf152b0b41dc 6972b106 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-386 2021/08/04 22:31 upstream 251a1524293d b97d64c9 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-this-kasan-gce 2021/09/27 23:11 net 763716a55cb1 78494d16 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-kasan-gce 2021/10/07 07:03 net-next bcb2293d8106 62ee0987 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-kasan-gce 2021/09/27 11:08 net-next d59bdda85eb7 78494d16 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-kasan-gce 2021/09/23 04:42 net-next 428168f99517 8cac236e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-kasan-gce 2021/09/22 23:03 net-next 428168f99517 8cac236e .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-kasan-gce 2021/09/15 03:16 net-next 55bd079a3cb6 07e953c1 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-net-kasan-gce 2021/09/05 10:31 net-next 29ce8f970107 d236a457 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/10/14 20:32 linux-next 8006b911c90a 7aa5fe41 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-linux-next-kasan-gce-root 2021/09/13 14:50 linux-next 24a36d3171e4 3ce60af8 .config log report info BUG: soft lockup in smp_call_function
ci-upstream-kasan-gce-root 2021/10/05 08:04 upstream 84b3e42564ac ce697b49 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-kasan-gce-smack-root 2021/01/17 04:44 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2020/07/12 23:01 upstream 4437dd6e8f71 9ebcc5b1 .config log report
ci-upstream-kasan-gce-smack-root 2020/07/10 22:54 upstream a581387e415b 18d18b59 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/08 22:22 upstream 0bddd227f3dc bc238812 .config log report
ci-upstream-bpf-kasan-gce 2021/09/03 00:40 bpf 57f780f1c433 15cea0a3 .config log report info INFO: rcu detected stall in smp_call_function
ci-upstream-bpf-next-kasan-gce 2020/11/02 15:12 bpf-next cb5dc5b062a9 8bc4594f .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/09/07 09:46 linux-next b2bb710d34d5 6ca60148 .config log report info INFO: rcu detected stall in smp_call_function