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: 153d, last: 2d14h

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 (40):
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 2021/02/26 08:25 upstream 2c87f7a3 76f7fc95 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-root 2021/02/25 15:49 upstream 29c395c7 76f7fc95 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/02/25 01:10 upstream 719bbd4a fcc6d71b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/02/24 05:36 upstream c03c21ba fcc6d71b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/23 04:09 upstream a99163e9 c26fb06b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/23 01:52 upstream a99163e9 c26fb06b .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/10 10:33 upstream e0756cfc 2bd9619f .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/06 04:53 upstream 1e0d27fc 23a562df .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/05 02:08 upstream 5c279c4c 23a562df .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/05 00:10 upstream 5c279c4c 23a562df .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/02/03 22:59 upstream 3afe9076 624dad51 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/01 20:57 upstream 1048ba83 e6b95f32 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/02/01 18:20 upstream 1048ba83 e6b95f32 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce 2021/02/01 16:24 upstream 1048ba83 e6b95f32 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-smack-root 2021/01/21 15:49 upstream 9791581c d4f4eca5 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/02/13 22:29 upstream ac30d8ce 98682e5e .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-386 2021/01/28 19:48 upstream e5ff2cb9 7df34f59 .config log report info possible deadlock in f_getown
ci-upstream-kasan-gce-selinux-root 2021/01/08 01:49 upstream f5e6c330 c104d4a3 .config log report info
ci-upstream-kasan-gce-root 2021/01/07 09:54 upstream 71c061d2 c104d4a3 .config log report info
ci-upstream-kasan-gce-root 2021/01/07 00:22 upstream 9f1abbe9 c104d4a3 .config log report info
ci-upstream-kasan-gce-root 2021/01/06 02:00 upstream 6207214a b1c228e1 .config log report info
ci-upstream-kasan-gce-root 2021/01/01 12:31 upstream f6e1ea19 79264ae3 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/29 01:11 upstream 5c8fe583 8259d56c .config log report info
ci-upstream-kasan-gce 2020/12/18 17:46 upstream a409ed15 04201c06 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/17 11:34 upstream accefff5 04201c06 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/30 10:55 upstream b6505459 a0092f9d .config log report info
ci-upstream-kasan-gce 2020/11/26 11:44 upstream fa02fcd9 2f1cec62 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/11/16 03:06 upstream 0062442e 1bf9a662 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/10/28 17:00 upstream ed8780e3 f24824d3 .config log report info
ci-upstream-kasan-gce-386 2021/01/06 18:24 upstream 9f1abbe9 c104d4a3 .config log report info
ci-upstream-kasan-gce-386 2020/12/14 17:35 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce-386 2020/11/08 04:30 upstream 4429f14a 64069d48 .config log report info
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 2020/12/02 17:44 linux-next 0eedceaf 8c9190ef .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/27 03:56 linux-next 6147c83f 5018c946 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/11/16 03:22 linux-next 92edc4ae 1bf9a662 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/29 15:25 linux-next 49e7e3e9 1b88c6d5 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/28 07:30 linux-next d1d2220c 5dd8aee8 .config log report info