syzbot


possible deadlock in f_getown
Status: upstream: reported C repro on 2020/09/28 07:48
Reported-by: syzbot+8073030e235a5a84dd31@syzkaller.appspotmail.com
First crash: 223d, last: 1d00h

Cause bisection: introduced by (bisect log) :
commit e918188611f073063415f40fae568fa4d86d9044
Author: Boqun Feng <boqun.feng@gmail.com>
Date: Fri Aug 7 07:42:20 2020 +0000

  locking: More accurate annotations for read_lock()

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

Sample crash report:

Crashes (137):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/01/09 13:59 upstream 996e435f a6c52263 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/11/30 12:39 upstream b6505459 a0092f9d .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/05/08 19:44 upstream ab159ac5 bc5434be .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/05/02 15:15 upstream d2b6f8a1 77e2b668 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/29 22:31 upstream d2b6f8a1 77e2b668 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/29 20:26 upstream d2b6f8a1 77e2b668 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/27 21:04 upstream 57fa2369 805b5003 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/26 00:43 upstream d2d09fbe 2a82f1b3 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/25 13:09 upstream 2a1d7946 36c88236 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/24 22:28 upstream 8db5efb8 17f0b706 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/04/24 04:09 upstream e77a830c 17f0b706 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/22 09:24 upstream 16fc44d6 33c28d03 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/21 08:11 upstream 1fe5501b 95777977 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/20 01:46 upstream 7af08140 4285c989 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/19 10:23 upstream bf05bf16 50f523d7 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/19 07:03 upstream bf05bf16 7e2b734b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/17 22:25 upstream 194cf482 7e2b734b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/16 12:31 upstream 7e25f40e 7e2b734b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/16 00:26 upstream 7e25f40e c59079a6 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/14 22:55 upstream 7f75285c fcdb12ba .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/14 21:42 upstream 7f75285c fcdb12ba .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/04/14 12:39 upstream 50987bec 3134b37f .config log report info possible deadlock in f_getown
ci-qemu-upstream 2021/04/13 19:49 upstream 89698bec a184b83e .config log report info possible deadlock in f_getown
ci-qemu-upstream 2021/04/13 11:09 upstream 89698bec bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/11 22:42 upstream 7d900724 bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/11 20:36 upstream 52e44129 bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/11 01:16 upstream d4961772 bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/10 09:47 upstream d4961772 bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/10 09:27 upstream d4961772 bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/04/09 21:43 upstream 17e7124a 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/04/08 01:21 upstream 3a229812 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/07 14:30 upstream 2d743660 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/04/07 02:24 upstream 2d743660 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/05 22:01 upstream 0a50438c 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/05 19:38 upstream 0a50438c 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/04 22:55 upstream e49d033b 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/04 11:05 upstream 2023a53b 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/04/03 19:51 upstream 57fbdb15 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/04/03 09:00 upstream d93a0d43 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/04/03 05:02 upstream d93a0d43 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/02 13:38 upstream 1678e493 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/02 09:23 upstream ffd9fb54 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/04/01 22:28 upstream ffd9fb54 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/03/31 14:50 upstream 5e46d1b7 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/05/07 15:07 upstream d2b6f8a1 f6da8120 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/28 17:05 upstream acd3d285 77e2b668 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/28 05:55 upstream 57fa2369 805b5003 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/21 21:59 upstream 16fc44d6 2bc8999a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/16 17:47 upstream 2f7b98d1 7e2b734b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/16 14:59 upstream 7e25f40e 7e2b734b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/12 14:50 upstream d434405a bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/10 08:23 upstream d4961772 bfeda1b1 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/09 18:01 upstream 17e7124a 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/08 11:42 upstream 454859c5 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/04/04 12:10 upstream 2023a53b 6a81331a .config log report info possible deadlock in f_getown
ci-upstream-linux-next-kasan-gce-root 2021/03/25 18:57 linux-next b4f20b70 6a383ecf .config log report info possible deadlock in f_getown
ci-upstream-linux-next-kasan-gce-root 2021/01/12 23:49 linux-next df869cab 0cdd6185 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/28 07:30 linux-next d1d2220c 5dd8aee8 .config log report info