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: 1222d, last: 3h00m

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 37 4d12h 845d 0/1 upstream: reported C repro on 2019/04/13 10:39
linux-4.14 WARNING in ext4_set_page_dirty syz error 9 11h39m 768d 0/1 upstream: reported syz repro on 2019/06/29 07:29
android-414 WARNING in ext4_set_page_dirty 15 976d 845d 0/1 auto-closed as invalid on 2019/06/01 07:06

Sample crash report:

Crashes (16268):
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-kasan-gce-root 2018/09/23 18:16 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-qemu-upstream 2021/08/05 03:50 upstream d5ad8ec3cfb5 b97d64c9 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/29 08:19 upstream 4010a528219e b44001ce .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/29 03:46 upstream 4010a528219e b44001ce .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/28 18:39 upstream 7d549995d4e0 17d6ab15 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/28 16:14 upstream 7d549995d4e0 17d6ab15 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/23 17:37 upstream 8baef6386baa bc5f1d88 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/23 11:36 upstream 9bead1b58c4c bc5f1d88 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/20 20:58 upstream 8cae8cd89f05 1b201b48 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/20 04:38 upstream 2734d6c1b1a0 bc48c9ab .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce 2021/07/19 15:33 upstream 2734d6c1b1a0 e6a17580 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce 2021/07/18 19:03 upstream 1d67c8d993ba f115ae98 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/18 03:55 upstream ccbb22b9ab86 f115ae98 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/17 11:38 upstream d980cc0620ae f115ae98 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/17 03:22 upstream d936eb238744 f115ae98 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/07/14 23:30 upstream 40226a3d96ef 94e0b707 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root 2021/06/21 18:52 upstream 13311e74253f aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/20 11:56 upstream 913ec3c22ef4 aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/19 16:54 upstream 9ed13a17e38e aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/17 02:01 upstream 6b00bc639f1f aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/16 19:10 upstream 6b00bc639f1f c06f97ad .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/16 14:06 upstream 94f0b2d4a1d0 c06f97ad .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/14 10:42 upstream 009c9aa5be65 1ba81399 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/14 06:48 upstream 009c9aa5be65 1ba81399 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/06/11 19:22 upstream 06af8679449d 1ba81399 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/31 20:00 upstream c2131f7e73c9 032639db .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/31 01:50 upstream 8124c8a6b353 325a8dab .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/30 20:42 upstream b90e90f40b4f 325a8dab .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/30 10:31 upstream b90e90f40b4f 325a8dab .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/29 15:18 upstream 6799d4f2da49 858ea628 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/28 23:40 upstream 5ff2756afde0 858ea628 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/27 04:56 upstream 7ac3a1c1ae51 858ea628 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/18 20:40 upstream 8ac91e6c6033 a2eb125d .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/16 14:47 upstream 63d1cb53e26a f54a5c09 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/16 05:24 upstream c12a29ed9094 f54a5c09 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/16 03:25 upstream c12a29ed9094 f54a5c09 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream 2021/05/16 00:33 upstream c12a29ed9094 f54a5c09 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/08/05 13:45 upstream 251a1524293d 7f7bb950 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/08/05 02:02 upstream 251a1524293d b97d64c9 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/08/01 17:07 upstream f3438b4c4e69 6c236867 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/07/30 14:22 upstream 764a5bc89b12 c585c7b0 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/07/23 03:01 upstream 9bead1b58c4c bc5f1d88 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/07/21 18:01 upstream 8cae8cd89f05 29c3f20f .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/07/19 05:58 upstream 2734d6c1b1a0 f115ae98 .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-qemu-upstream-386 2021/06/20 21:47 upstream cba5e97280f5 aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/06/18 04:52 upstream fd0aa1a4567d aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/06/17 12:56 upstream 70585216fe77 aba2b2fb .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/06/04 01:33 upstream f88cd3fb9df2 0740de69 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/06/03 00:57 upstream 324c92e5e0ee 0740de69 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/05/29 21:17 upstream 6799d4f2da49 325a8dab .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/05/29 19:23 upstream 6799d4f2da49 325a8dab .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/05/28 10:02 upstream 97e5bf604b7a 858ea628 .config log report info WARNING in ext4_set_page_dirty
ci-qemu-upstream-386 2021/05/19 11:37 upstream 8ac91e6c6033 a2eb125d .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce 2021/04/29 13:30 net bbd6f0a94813 77e2b668 .config log report info WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce 2021/07/18 00:06 net-next ab0441b4a920 f115ae98 .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