syzbot


possible deadlock in seq_read (2)
Status: upstream: reported C repro on 2019/04/14 16:06
Reported-by: syzbot+5378878b09e052edef7f@syzkaller.appspotmail.com
First crash: 455d, last: 69d

Cause bisection: introduced by (bisect log):

commit fe38bd6862074c0a2b9be7f31f043aaa70b2af5f
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed Sep 18 16:49:13 2019 +0000

  Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Crash: KASAN: stack-out-of-bounds Read in finish_writeback_work (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (6):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 possible deadlock in seq_read 116 27d 380d 0/1 upstream: reported on 2019/06/28 12:56
android-44 possible deadlock in seq_read C 632 221d 458d 0/2 public: reported C repro on 2019/04/11 08:44
android-49 possible deadlock in seq_read C 56124 221d 457d 1/3 public: reported C repro on 2019/04/12 00:00
linux-4.19 possible deadlock in seq_read syz 53 17d 342d 0/1 upstream: reported syz repro on 2019/08/05 16:40
upstream possible deadlock in seq_read C 19074 464d 954d 13/17 fixed on 2019/04/12 08:05
android-414 possible deadlock in seq_read C 1737 311d 458d 0/1 public: reported C repro on 2019/04/11 00:00

Sample crash report:

Crashes (91):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/01/02 19:20 linux-next 7ddd09fc 25a0186e .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/05/04 03:24 upstream 262f7a6b 58ae5e18 .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/04/29 20:10 upstream 96c9a780 496a08ae .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/28 18:20 upstream 69c5eea3 f1ebdfba .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/12 22:26 upstream e6e6ec48 d850e9d0 .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/05 01:44 upstream 63623fd4 c88c7b75 .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/05/04 08:32 linux-next ac935d22 58ae5e18 .config log report syz linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/31 02:53 upstream 673b41e0 c8d1cc20 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/30 20:09 upstream 7111951b c8d1cc20 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/29 18:36 upstream e595dd94 05736b29 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/29 02:02 upstream 906c4043 05736b29 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/27 17:34 upstream 527630fb 831e9a81 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/03/24 06:45 upstream 979e52ca 33e14df3 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/03/20 15:55 upstream 6c90b86a 2c31c529 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/02/27 21:45 upstream f8788d86 59b57593 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/02/13 17:42 upstream 0bf999f9 c5ed587f .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/02/08 10:11 upstream 41dcd67e 06150bf1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/02/06 14:24 upstream 4c46bef2 c91cbc9d .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/02/05 09:48 upstream 6992ca0d 93e5e335 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/02/04 21:20 upstream 33b40134 93e5e335 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/02/01 08:20 upstream 26dca6db 0eb59c27 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/31 19:48 upstream ccaaaf6f c30117b2 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/01/31 14:48 upstream ccaaaf6f 5ed23f9a .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/30 06:41 upstream 39bed42d 5ed23f9a .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/29 12:03 upstream b3a60822 c8e81ce4 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/28 04:28 upstream d5226fa6 56cd6c9b .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/27 14:22 upstream d5226fa6 dd56146d .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/27 10:26 upstream a45ea48e dd56146d .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/01/23 13:37 upstream 131701c6 3334d684 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/22 23:43 upstream dbab40bd 3334d684 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/01/19 15:58 upstream 8f8972a3 0342f8c7 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/01/18 09:09 upstream 25e73aad 3de7aabb .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/01/16 22:13 upstream f5ae2ea6 3de7aabb .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/01/16 13:11 upstream f5ae2ea6 3de7aabb .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/16 12:55 upstream f5ae2ea6 3de7aabb .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-selinux-root 2020/01/15 22:45 upstream 51d69817 f9b69507 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/15 21:30 upstream 51d69817 f9b69507 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-root 2020/01/15 21:20 upstream 51d69817 f9b69507 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2020/01/15 20:34 upstream 51d69817 f9b69507 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-qemu-upstream 2019/12/02 14:10 upstream 596cf45c f879db37 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/24 01:08 linux-next bee46b30 d801cb02 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/21 19:54 linux-next bee46b30 2ffa6679 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/20 06:56 linux-next f4aba101 81230308 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/15 10:12 linux-next 9f01828e 5d7b90f1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/12 15:41 linux-next 12975989 84f4fc8a .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/11 15:15 linux-next ac431e2d 4d1ab643 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/10 02:47 linux-next 2981de74 35f5e45e .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/09 09:48 linux-next 6dff1565 6ece2ea5 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2020/02/08 16:05 linux-next 6dff1565 06150bf1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-linux-next-kasan-gce-root 2019/04/14 09:41 linux-next bcb67f0f c402d8f1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk