syzbot


WARNING in ext4_set_page_dirty
Status: upstream: reported C repro on 2018/04/01 08:05
Reported-by: syzbot+9a44753ac327c557796a@syzkaller.appspotmail.com
First crash: 1342d, last: 8m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: kernel BUG at fs/ext4/inode.c:LINE! (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 7dfbf8a07cf8c936b0d6cc810df6ae7923954d5b
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Jun 30 15:27:24 2020 +0000

  drm/i915: Skip stale object handle for debugfs per-file-stats

similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in ext4_set_page_dirty C error 44 10h41m 964d 0/1 upstream: reported C repro on 2019/04/13 10:39
linux-4.14 WARNING in ext4_set_page_dirty syz error 9 120d 887d 0/1 upstream: reported syz repro on 2019/06/29 07:29
android-414 WARNING in ext4_set_page_dirty 15 1095d 965d 0/1 auto-closed as invalid on 2019/06/01 07:06

Sample crash report:

Crashes (16657):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2019/12/23 22:48 upstream 46cf053efec6 be5c2c81 .config log report syz C
ci-upstream-kasan-gce-root 2019/08/10 06:12 upstream 7f20fd23377a acb51638 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/06/24 03:36 upstream 241e39004581 472f0082 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/06/23 23:41 upstream 241e39004581 472f0082 .config log report syz C
ci-upstream-kasan-gce-root 2018/05/21 06:06 upstream 771c577c23ba f48c20b8 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/12/30 22:02 linux-next 7ddd09fc4b74 af6b8ef8 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/07/01 02:50 linux-next 48568d8c7f47 699d6448 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/09/08 14:08 upstream f4d51dffc6c0 abf9ba4f .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/12/23 09:43 upstream c60174717544 8b967267 .config log report syz
ci-upstream-kasan-gce-root 2019/07/29 05:18 upstream a9815a4fa2fd c85e1c5b .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/07/29 04:26 upstream a9815a4fa2fd c85e1c5b .config log report syz
ci-upstream-kasan-gce-smack-root 2019/07/29 04:23 upstream a9815a4fa2fd c85e1c5b .config log report syz
ci-upstream-kasan-gce-smack-root 2019/06/23 02:46 upstream abf02e2964b3 34bf9440 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/06/22 21:46 upstream abf02e2964b3 34bf9440 .config log report syz
ci-upstream-kasan-gce-root 2019/06/22 20:34 upstream abf02e2964b3 34bf9440 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/04/14 00:47 upstream 6d0a598489ca c402d8f1 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/04/13 02:14 upstream 8ee15f324866 c402d8f1 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/04/12 23:24 upstream 8ee15f324866 c402d8f1 .config log report syz
ci-upstream-kasan-gce-root 2019/04/12 22:44 upstream 8ee15f324866 c402d8f1 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/02/25 02:38 upstream c3619a482e15 7a06e792 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/02/24 21:56 upstream c3619a482e15 7a06e792 .config log report syz
ci-upstream-kasan-gce-root 2019/02/24 21:51 upstream c3619a482e15 7a06e792 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/12/03 17:13 upstream 2595646791c3 819002b0 .config log report syz
ci-upstream-kasan-gce-root 2018/12/03 09:53 upstream 6a512726090a 7dcaeaf3 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/12/03 08:48 upstream 6a512726090a 7dcaeaf3 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/27 20:53 upstream ef78e5ec9214 4b6d14f2 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/11/27 17:28 upstream ef78e5ec9214 4b6d14f2 .config log report syz
ci-upstream-kasan-gce-root 2018/11/27 10:55 upstream 6f8b52ba442c ac912200 .config log report syz
ci-upstream-kasan-gce-root 2018/11/23 19:41 upstream edeca3a769ad 2b0dc848 .config log report syz
ci-upstream-kasan-gce-selinux-root 2018/11/23 17:57 upstream edeca3a769ad 2b0dc848 .config log report syz
ci-upstream-kasan-gce-smack-root 2018/09/23 18:21 upstream 328c6333ba3d 37079712 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/09/21 10:21 linux-next b652d2a5f2a4 9564d2e9 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/07/30 10:21 linux-next 70f4b4ac1655 f28bf2a5 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/06/30 07:38 linux-next 48568d8c7f47 7509bf36 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/04/14 19:49 linux-next bcb67f0fbce9 505ab413 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/04/13 01:02 linux-next bcb67f0fbce9 c402d8f1 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/02/24 21:46 linux-next 94a47529a645 7a06e792 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/01/15 11:21 linux-next 5aa6589e17bd ebacf5cb .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/12/03 08:54 linux-next 442b8cea2477 7dcaeaf3 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/28 05:21 linux-next 442b8cea2477 4b6d14f2 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/11/23 17:56 linux-next 442b8cea2477 2b0dc848 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/09/23 18:30 linux-next 46c163a036b4 37079712 .config log report syz
ci-upstream-kasan-gce-smack-root 2021/12/02 17:41 upstream 58e1100fdc59 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root 2021/11/28 15:37 upstream 3498e7f2bb41 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root 2021/11/27 06:19 upstream c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root 2021/11/25 20:13 upstream b501b85957de 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce 2021/10/30 00:10 upstream f25a5481af12 098b5d53 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-selinux-root 2021/10/25 15:43 upstream 87066fdd2e30 4f0000ee .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/10/22 04:34 upstream 2f111a6fd5b5 55f90bc6 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/11/24 05:18 upstream 5d9f4cf36721 545ab074 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-386 2021/07/17 05:48 upstream d980cc0620ae f115ae98 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/12/03 06:17 net a51e3ac43ddb 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/12/02 23:11 net a37a0ee4d25c 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/12/02 02:02 net 3968e3cafafb 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 22:40 net f8e7dfd6fdab d0830353 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 17:57 net f8e7dfd6fdab d0830353 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 10:53 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 06:33 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 03:31 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 02:12 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/29 00:36 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/28 13:14 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/28 02:48 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/27 23:46 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/27 22:20 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/27 18:47 net c5c17547b778 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/26 07:49 net 49573ff7830b 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/26 06:27 net 9dbe33cf371b 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/11/26 02:05 net 9dbe33cf371b 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/02 20:52 net-next ce8299b6f76f 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/02 06:43 net-next 10184da91666 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/02 04:40 net-next 10184da91666 61f86278 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/01 20:22 net-next 23ea630f86c7 5fa3eacc .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/01 18:57 net-next 23ea630f86c7 5fa3eacc .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/01 17:27 net-next 23ea630f86c7 5fa3eacc .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/01 14:49 net-next 23ea630f86c7 5fa3eacc .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/12/01 06:32 net-next 196073f9c44b 80270552 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/30 21:53 net-next 72a2ff567fc3 80270552 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/30 20:08 net-next 72a2ff567fc3 80270552 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/30 16:05 net-next 72a2ff567fc3 80270552 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/30 10:08 net-next 09ae03e2fc9d d0830353 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/30 08:07 net-next 09ae03e2fc9d d0830353 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/29 20:01 net-next 2f7ed29f2c54 d0830353 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/29 07:38 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/29 04:48 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 22:33 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 20:40 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 11:05 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 09:30 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 07:03 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 03:51 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/28 01:02 net-next d40ce48cb3a6 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/26 22:41 net-next 35bf8c86eeb8 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/26 15:10 net-next a0341b73d843 63eeac02 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/25 09:27 net-next d156250018ab 545ab074 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/11/25 08:09 net-next d156250018ab 545ab074 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-linux-next-kasan-gce-root 2021/11/16 20:49 linux-next a2f3bb245883 600426bd .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-root 2020/12/12 21:30 upstream 7b1b868e1d91 bca53db9 .config log report info
ci-qemu-upstream 2020/11/12 11:37 upstream 3d5e28bff7ad 77a55c8e .config log report info
ci-upstream-kasan-gce-root 2018/03/31 21:22 upstream 10b84daddbec 0174c6c8 .config log report