syzbot


possible deadlock in dev_mc_unsync
Status: fixed on 2020/08/18 22:40
Reported-by: syzbot+08e3d39f3eb8643216be@syzkaller.appspotmail.com
Fix commit: be74294f net: get rid of lockdep_set_class_and_subclass()
First crash: 360d, last: 343d

Cause bisection: failed (bisect log)

Fix bisection: fixed by (bisect log) :
commit be74294ffa24f5fbc0d6643842e3e095447e17a2
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Fri Jun 26 18:24:22 2020 +0000

  net: get rid of lockdep_set_class_and_subclass()

Patch testing requests:
Created Duration User Patch Repo Result
2020/06/27 18:07 17m xiyou.wangcong@gmail.com https://github.com/congwang/linux.git net OK

Sample crash report:

Crashes (78):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2020/06/27 13:19 net 4a21185c ffec44b5 .config log report syz C
ci-upstream-kasan-gce 2020/07/02 09:16 upstream cd77006e bed10395 .config log report
ci-upstream-kasan-gce-root 2020/07/01 05:49 upstream 9ebcfadb 917afeaa .config log report
ci-upstream-net-this-kasan-gce 2020/06/30 09:28 net 0574e200 a2cdad9d .config log report
ci-upstream-net-this-kasan-gce 2020/06/30 06:34 net 0574e200 a2cdad9d .config log report
ci-upstream-net-this-kasan-gce 2020/06/29 21:23 net 0574e200 a2cdad9d .config log report
ci-upstream-net-this-kasan-gce 2020/06/29 18:02 net 0574e200 a2cdad9d .config log report
ci-upstream-net-this-kasan-gce 2020/06/29 16:56 net 0574e200 a2cdad9d .config log report
ci-upstream-net-this-kasan-gce 2020/06/28 22:56 net 0574e200 a2cdad9d .config log report
ci-upstream-net-this-kasan-gce 2020/06/27 15:26 net 4a21185c ffec44b5 .config log report
ci-upstream-net-this-kasan-gce 2020/06/27 12:15 net 4a21185c ffec44b5 .config log report
ci-upstream-net-this-kasan-gce 2020/06/27 04:56 net 4a21185c ffec44b5 .config log report
ci-upstream-net-this-kasan-gce 2020/06/25 08:50 net b835a71e 54566aff .config log report
ci-upstream-net-this-kasan-gce 2020/06/24 11:49 net b835a71e 54566aff .config log report
ci-upstream-net-kasan-gce 2020/07/12 03:00 net-next a594920f 18d18b59 .config log report
ci-upstream-net-kasan-gce 2020/07/11 07:46 net-next a594920f 18d18b59 .config log report
ci-upstream-net-kasan-gce 2020/07/10 04:15 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/10 01:27 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/09 20:57 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/09 19:46 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/09 18:25 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/09 14:39 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/09 13:38 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/09 06:01 net-next e80a07b2 bc238812 .config log report
ci-upstream-net-kasan-gce 2020/07/08 20:03 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/08 11:28 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/08 09:24 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/07 06:14 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/07 02:16 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/07 00:12 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/06 17:03 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/06 11:59 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/06 07:28 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/06 03:50 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/06 01:29 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/05 22:24 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/05 09:41 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/04 09:19 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/04 05:58 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/04 02:28 net-next e44f65fd 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/03 18:21 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/03 16:08 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/03 14:49 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/03 07:54 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/03 04:52 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/03 02:34 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/02 22:41 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/02 21:19 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/02 15:18 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/02 14:17 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/02 08:18 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/02 06:47 net-next 23212a70 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/01 22:42 net-next 2b04a661 39acb39d .config log report
ci-upstream-net-kasan-gce 2020/07/01 12:50 net-next 2b04a661 39acb39d .config log report
ci-upstream-net-kasan-gce 2020/07/01 08:31 net-next 491f14db 917afeaa .config log report
ci-upstream-net-kasan-gce 2020/07/01 01:07 net-next 491f14db 917afeaa .config log report
ci-upstream-net-kasan-gce 2020/06/30 14:05 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/30 04:35 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/30 02:56 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/30 00:36 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/29 19:10 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/29 15:45 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/29 15:16 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/29 12:47 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/29 11:13 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/29 02:10 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/28 23:54 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/28 20:56 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/28 20:28 net-next b08866f4 a2cdad9d .config log report
ci-upstream-net-kasan-gce 2020/06/27 18:18 net-next 7bed1455 ffec44b5 .config log report
ci-upstream-net-kasan-gce 2020/06/27 10:55 net-next 7bed1455 ffec44b5 .config log report