syzbot


possible deadlock in path_openat
Status: upstream: reported C repro on 2018/09/25 23:44
Reported-by: syzbot+a55ccfc8a853d3cff213@syzkaller.appspotmail.com
First crash: 1089d, last: 534d

Cause bisection: introduced by (bisect log) :
commit 8e54cadab447dae779f80f79c87cbeaea9594f60
Author: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun Nov 27 01:05:42 2016 +0000

  fix default_file_splice_read()

Crash: INFO: possible circular locking dependency detected ] (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) [merge commit]:
commit 52d2d44eee8091e740d0d275df1311fb8373c9a9
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Jun 19 10:04:55 2019 +0000

  Merge v5.2-rc5 into drm-next

similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 possible deadlock in path_openat 5 663d 678d 0/3 auto-closed as invalid on 2020/03/24 08:43
linux-4.14 possible deadlock in path_openat C error 318 122d 878d 0/1 upstream: reported C repro on 2019/04/24 01:40
linux-4.19 possible deadlock in path_openat C 307 2d07h 826d 0/1 upstream: reported C repro on 2019/06/15 07:08

Sample crash report:

Crashes (349):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/04/19 05:30 upstream 6d906f998179 b0e8efcb .config log report syz C
ci-upstream-kasan-gce-root 2019/04/19 06:25 upstream 6d906f998179 b0e8efcb .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/04/19 05:24 linux-next 3f018f4a019a b0e8efcb .config log report syz
ci-upstream-kasan-gce-root 2020/04/02 06:08 upstream 919dce24701f a34e2c33 .config log report
ci-upstream-kasan-gce-smack-root 2020/04/01 16:06 upstream 1a323ea5356e a34e2c33 .config log report
ci-upstream-kasan-gce-root 2020/03/30 09:59 upstream 7111951b8d49 05736b29 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/30 08:07 upstream 7111951b8d49 05736b29 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/29 17:38 upstream e595dd94515e 05736b29 .config log report
ci-upstream-kasan-gce-root 2020/03/29 11:17 upstream 906c40438bb6 05736b29 .config log report
ci-upstream-kasan-gce-selinux-root 2020/03/29 09:51 upstream 906c40438bb6 05736b29 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/28 15:52 upstream 69c5eea3128e f1ebdfba .config log report
ci-upstream-kasan-gce-root 2020/03/28 08:44 upstream 69c5eea3128e 831e9a81 .config log report
ci-upstream-kasan-gce-root 2020/03/27 06:35 upstream f3e69428b5e2 7d95711b .config log report
ci-upstream-kasan-gce-smack-root 2020/03/26 21:19 upstream 9420e8ade435 6d25c5a0 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/26 15:57 upstream 1b649e0bcae7 6d25c5a0 .config log report
ci-upstream-kasan-gce-root 2020/03/25 13:33 upstream 76ccd234269b 41f049cc .config log report
ci-upstream-kasan-gce-smack-root 2020/03/24 17:27 upstream 979e52ca0469 68660b21 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/23 17:35 upstream 16fbf79b0f83 84f999d6 .config log report
ci-upstream-kasan-gce-root 2020/03/23 00:45 upstream 67d584e33e54 78267cec .config log report
ci-upstream-kasan-gce-root 2020/03/19 20:17 upstream cd607737f3b8 2c31c529 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/19 18:28 upstream cd607737f3b8 2c31c529 .config log report
ci-upstream-kasan-gce-root 2020/03/18 16:52 upstream ac309e7744be 0a96a13c .config log report
ci-upstream-kasan-gce-root 2020/03/18 01:26 upstream ac309e7744be 97bc55ce .config log report
ci-upstream-kasan-gce-smack-root 2020/03/17 22:49 upstream ac309e7744be 97bc55ce .config log report
ci-upstream-kasan-gce-smack-root 2020/03/15 23:58 upstream a42a7bb6f536 749688d2 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/15 22:32 upstream a42a7bb6f536 749688d2 .config log report
ci-upstream-kasan-gce-smack-root 2020/03/14 18:10 upstream 69a4d0baeeb1 749688d2 .config log report
ci-upstream-kasan-gce-root 2020/03/14 16:13 upstream fffb08b37df9 749688d2 .config log report
ci-upstream-kasan-gce-root 2020/03/09 12:57 upstream 2c523b344dfa 2e9971bb .config log report
ci-upstream-kasan-gce-smack-root 2020/03/09 09:53 upstream 2c523b344dfa 2e9971bb .config log report
ci-upstream-kasan-gce-root 2020/03/09 00:11 upstream 61a09258f2e5 2e9971bb .config log report
ci-upstream-kasan-gce-selinux-root 2020/03/08 16:33 upstream c20037652700 2e9971bb .config log report
ci-upstream-kasan-gce-root 2020/03/02 02:17 upstream 63623fd44972 c88c7b75 .config log report
ci-upstream-kasan-gce-root 2020/02/28 01:59 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-root 2020/02/27 08:19 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/26 17:47 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/18 06:02 upstream 11a48a5a18c6 1ce142dc .config log report
ci-upstream-kasan-gce-root 2020/02/17 21:18 upstream 11a48a5a18c6 2b411596 .config log report
ci-upstream-kasan-gce-root 2020/02/16 23:49 upstream 11a48a5a18c6 1f448cd6 .config log report
ci-upstream-kasan-gce-root 2020/02/15 21:14 upstream 829e69446995 5d7b90f1 .config log report
ci-upstream-kasan-gce-selinux-root 2020/02/14 10:43 upstream b19e8c684703 5d7b90f1 .config log report
ci-qemu-upstream 2019/12/04 06:36 upstream 63de37476ebd 0ecb9746 .config log report
ci-upstream-kasan-gce-root 2018/09/25 17:17 upstream 2dd68cc7fd8c 0e7547d7 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/04/02 15:25 linux-next 770fbb32d34e a34e2c33 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/21 14:21 linux-next 770fbb32d34e 4288d95e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/03/02 21:03 linux-next c99b17ac0399 c88c7b75 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/29 13:37 linux-next bdc5461b23ca 59b57593 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/29 01:39 linux-next bdc5461b23ca 59b57593 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/27 09:49 linux-next bdc5461b23ca 59b57593 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/24 09:38 linux-next bdc5461b23ca d801cb02 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/24 02:01 linux-next bee46b309a13 d801cb02 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/21 05:01 linux-next bee46b309a13 bd2a74a3 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/20 21:22 linux-next f4aba10148cd bd2a74a3 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/18 01:30 linux-next c25a951c50dc 1ce142dc .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/17 07:25 linux-next c25a951c50dc 1f448cd6 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/13 16:55 linux-next 51d5d207918d c5ed587f .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/12 15:19 linux-next 129759899765 84f4fc8a .config log report