syzbot


possible deadlock in do_fcntl
Status: upstream: reported C repro on 2020/09/28 07:17
Reported-by: syzbot+e6d5398a02c516ce5e70@syzkaller.appspotmail.com
First crash: 223d, last: 2d18h

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 do_fcntl (log)
Repro: C syz .config

Sample crash report:

Crashes (225):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/04/30 09:36 upstream d2b6f8a1 77e2b668 .config log report syz C possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/02 05:49 upstream ffd9fb54 6a81331a .config log report syz C possible deadlock in do_fcntl
ci-upstream-linux-next-kasan-gce-root 2021/05/07 02:26 linux-next 23c49842 06585184 .config log report syz C possible deadlock in do_fcntl
ci-upstream-kasan-gce 2020/12/10 03:44 upstream a68a0262 c090b4da .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/10/31 17:38 linux-next 4e78c578 8bc4594f .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/05/05 01:18 upstream d2b6f8a1 06c27ff5 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/05/02 22:46 upstream d2b6f8a1 77e2b668 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/04/26 18:06 upstream 9f4ad9e4 e60b7df1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/26 15:29 upstream 9f4ad9e4 e60b7df1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/26 02:00 upstream d2d09fbe 2a82f1b3 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/25 08:59 upstream 2a1d7946 36c88236 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/23 11:49 upstream 18a3c5f7 17f0b706 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/23 01:29 upstream 90c911ad 590921a5 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/20 02:02 upstream 7af08140 4285c989 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/17 08:48 upstream 9cdbf646 7e2b734b .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/15 20:22 upstream 7e25f40e c59079a6 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/15 01:46 upstream 7f75285c fcdb12ba .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/14 14:32 upstream 50987bec 3134b37f .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/14 12:21 upstream 50987bec 3134b37f .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/13 19:55 upstream 89698bec a184b83e .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/13 04:09 upstream 89698bec bfeda1b1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/12 14:06 upstream d434405a bfeda1b1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/11 03:42 upstream 52e44129 bfeda1b1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/10 08:51 upstream d4961772 bfeda1b1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/09 19:43 upstream 17e7124a 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/04/09 05:19 upstream 4fa56ad0 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/09 03:42 upstream 4fa56ad0 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/04/08 15:22 upstream 454859c5 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/08 02:12 upstream 3a229812 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/07 01:18 upstream 2d743660 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/04/05 21:12 upstream 0a50438c 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/04/05 20:52 upstream 0a50438c 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/04/04 22:49 upstream e49d033b 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/04/04 11:18 upstream 2023a53b 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/03 19:06 upstream 57fbdb15 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/03 03:40 upstream d93a0d43 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-smack-root 2021/04/02 12:33 upstream 1678e493 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/04/01 06:12 upstream d19cc4bf 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-selinux-root 2021/03/31 16:46 upstream 5e46d1b7 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-root 2021/03/31 13:37 upstream 5e46d1b7 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce 2021/03/29 20:24 upstream 1e43c377 6a81331a .config log report info possible deadlock in do_fcntl
ci-qemu-upstream 2021/03/29 06:56 upstream 36a14638 a8529b82 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/05/03 20:58 upstream d2b6f8a1 ad61f371 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/24 19:59 upstream 2a1d7946 17f0b706 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/23 18:48 upstream 18a3c5f7 17f0b706 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/22 23:12 upstream 90c911ad 590921a5 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/21 12:05 upstream 1fe5501b 95777977 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/21 03:39 upstream 1fe5501b c0ced557 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/20 14:19 upstream 7af08140 c0ced557 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/16 16:33 upstream 7e25f40e 7e2b734b .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/12 00:25 upstream 7d900724 bfeda1b1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/11 02:04 upstream 52e44129 bfeda1b1 .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/08 14:21 upstream 454859c5 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/04/05 00:31 upstream e49d033b 6a81331a .config log report info possible deadlock in do_fcntl
ci-upstream-linux-next-kasan-gce-root 2021/03/02 04:25 linux-next 92f791eb 183afb6c .config log report info possible deadlock in do_fcntl
ci-upstream-kasan-gce-386 2021/01/17 14:15 upstream 0da0a8a0 813be542 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/28 06:34 linux-next d1d2220c 5dd8aee8 .config log report info