syzbot


possible deadlock in static_key_slow_dec
Status: upstream: reported C repro on 2018/11/07 01:38
Reported-by: syzbot+b011e55d1b4c015100d2@syzkaller.appspotmail.com
First crash: 993d, last: 488d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 7cd18c11799720bf077309be1b84b8395af1e2ff
Author: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed Aug 14 04:46:44 2019 +0000

  Merge remote-tracking branch 'tip/auto-latest'

Crash: possible deadlock in static_key_slow_dec (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
possible deadlock in __static_key_slow_dec C done error 2 505d 505d 0/22 closed as dup on 2021/01/20 05:22
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 possible deadlock in static_key_slow_dec 1 692d 692d 0/1 auto-closed as invalid on 2019/12/30 04:27
linux-4.19 possible deadlock in static_key_slow_dec (2) 2 196d 280d 0/1 auto-closed as invalid on 2021/05/08 21:09

Sample crash report:

Crashes (35):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/03/13 06:06 upstream 3cc6e2c599cd d850e9d0 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/10 14:59 upstream 30bb5572ce7a 35f53e45 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/03/23 04:57 linux-next 770fbb32d34e 78267cec .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/08/16 07:06 linux-next 17da61ae48ec 8fd428a1 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/19 13:44 upstream 5076190daded 2c31c529 .config log report
ci-upstream-kasan-gce-selinux-root 2020/03/06 21:41 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce 2020/03/04 21:26 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce 2020/02/27 12:58 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/16 15:51 upstream db70e26e33ee cf914200 .config log report
ci-upstream-kasan-gce-selinux-root 2020/01/30 01:56 upstream b3a608222336 5ed23f9a .config log report
ci-upstream-kasan-gce-selinux-root 2019/12/20 15:33 upstream 7e0165b2f1a9 e30cbdae .config log report
ci-upstream-kasan-gce-selinux-root 2019/10/21 20:20 upstream 7d194c2100ad b24d2b8a .config log report
ci-upstream-kasan-gce 2019/10/17 21:26 upstream 283ea345934d 8c88c9c1 .config log report
ci-upstream-kasan-gce-selinux-root 2019/09/24 15:34 upstream 4c07e2ddab5b 0942eab8 .config log report
ci-upstream-kasan-gce 2019/09/21 13:53 upstream f97c81dc6ca5 d96e88f3 .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/26 07:15 upstream a3ac7917b730 55684ce1 .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/25 19:48 upstream 8c2ffd917477 2c86e0a5 .config log report
ci-upstream-kasan-gce-smack-root 2019/03/06 07:32 upstream 63bdf4284c38 16559f86 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/11 18:43 upstream de6629eb262e c3f3344c .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/06 11:46 upstream b5aef86e089a 94f8adb5 .config log report
ci-upstream-kasan-gce-smack-root 2018/11/28 05:34 upstream ef78e5ec9214 4b6d14f2 .config log report
ci-upstream-kasan-gce-root 2018/11/27 13:40 upstream ef78e5ec9214 4b6d14f2 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/25 17:56 upstream e195ca6cb6f2 3d3ec907 .config log report
ci-upstream-kasan-gce-root 2018/11/04 05:07 upstream 83650fd58a93 8bd6bd63 .config log report
ci-upstream-kasan-gce-386 2020/01/24 13:39 upstream 4703d9119972 2e95ab33 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/13 17:52 linux-next 770fbb32d34e d850e9d0 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/09 01:14 linux-next 6dff1565d69c 06150bf1 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/01/12 14:42 linux-next 6c09d7dbb7d3 31290a45 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/24 12:19 linux-next b9d3d0140506 598ca6c8 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/11/05 14:16 linux-next 51309b9d73f5 0f3ec414 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/05 11:40 linux-next 311ef88adfa3 f3f7d9c8 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/04 03:56 linux-next 2521ffab5375 fc17ba49 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/08/16 06:36 linux-next 17da61ae48ec 8fd428a1 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/02 03:08 linux-next dc4c89997735 564f9a4f .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/04 23:08 linux-next 25e9471b6a27 8bd6bd63 .config log report