syzbot


WARNING in ovl_instantiate
Status: fixed on 2019/06/23 12:03
Reported-by: syzbot+9c69c282adc4edd2b540@syzkaller.appspotmail.com
Fix commit: 146d62e5a586 ovl: detect overlapping layers acf3062a7e1c ovl: relax WARN_ON() for overlapping layers use case
First crash: 1164d, last: 996d

Cause bisection: introduced by (bisect log) :
commit 01b39dcc95680b04c7af5de7f39f577e9c4865e3
Author: Amir Goldstein <amir73il@gmail.com>
Date: Fri May 11 08:15:15 2018 +0000

  ovl: use inode_insert5() to hash a newly created inode

Crash: WARNING in ovl_instantiate (log)
Repro: syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in ovl_instantiate syz done 5 1003d 1007d 1/1 fixed on 2019/12/16 09:09
Patch testing requests:
Created Duration User Patch Repo Result
2019/04/19 08:21 17m amir73il@gmail.com https://github.com/amir73il/linux.git ovl-check-overlap OK

Sample crash report:

Crashes (75):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/04/21 10:44 upstream 9e5de623a0cb b0e8efcb .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/04/16 05:18 upstream 5512320c9f6f 505ab413 .config log report syz
ci-upstream-kasan-gce-root 2019/01/12 01:51 upstream de6629eb262e c3f3344c .config log report syz
ci-upstream-kasan-gce-smack-root 2019/01/09 03:12 upstream 7b5585136713 010ed08b .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/04/21 09:31 linux-next 3f018f4a019a b0e8efcb .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/01/16 13:30 linux-next cbeb3db684f7 b47fa78d .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/01/11 16:42 linux-next b808822a75a3 c3f3344c .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/01/08 22:06 linux-next 139287cc2cc0 010ed08b .config log report syz
ci-upstream-linux-next-kasan-gce-root 2018/12/15 19:33 linux-next d14b746c6c1c c9128939 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/04/27 21:18 upstream baf76f0c58ae b617407b .config log report
ci-upstream-kasan-gce-smack-root 2019/04/27 07:37 upstream baf76f0c58ae b617407b .config log report
ci-upstream-kasan-gce-smack-root 2019/04/23 14:53 upstream 085b7755808a 53199d6e .config log report
ci-upstream-kasan-gce-root 2019/04/18 22:40 upstream e53f31bffe1d b0e8efcb .config log report
ci-upstream-kasan-gce-root 2019/03/08 11:25 upstream 610cd4eadec4 12365b99 .config log report
ci-upstream-kasan-gce-selinux-root 2019/03/03 05:02 upstream c93d9218ea56 1c0e457a .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/24 20:02 upstream c3619a482e15 7a06e792 .config log report
ci-upstream-kasan-gce-root 2019/02/22 19:17 upstream 6ee2846cb4e7 6a5fcca4 .config log report
ci-upstream-kasan-gce-root 2019/02/17 18:05 upstream 8d33316d5205 3e98cc30 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/14 13:50 upstream 1f947a7a011f 6a46f448 .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/08 00:21 upstream d47e3da17592 aa4feb03 .config log report
ci-upstream-kasan-gce-smack-root 2019/02/06 09:03 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/05 13:15 upstream 8834f5600cf3 d672172c .config log report
ci-upstream-kasan-gce-root 2019/02/01 20:26 upstream 5b4746a03199 0c07abcf .config log report
ci-upstream-kasan-gce-selinux-root 2019/02/01 10:21 upstream 5b4746a03199 0c07abcf .config log report
ci-upstream-kasan-gce-root 2019/01/31 15:50 upstream af0c9af1b3f6 0e8ea0a3 .config log report
ci-upstream-kasan-gce-root 2019/01/30 07:11 upstream 62967898789d aa432daf .config log report
ci-upstream-kasan-gce-root 2019/01/26 20:58 upstream ba6069759381 c73f090a .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/22 21:34 upstream 787a3b432276 b1ff06b2 .config log report
ci-upstream-kasan-gce-smack-root 2019/01/11 15:26 upstream 1bdbe2274920 c3f3344c .config log report
ci-upstream-kasan-gce-root 2019/01/09 21:43 upstream 4064e47c8281 45c0c1b1 .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/08 21:49 upstream 7b5585136713 010ed08b .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/03 21:40 upstream 645ff1e8e704 66fcd29b .config log report
ci-upstream-kasan-gce-smack-root 2018/12/31 10:02 upstream 195303136f19 2b42fdc8 .config log report
ci-upstream-kasan-gce-smack-root 2018/12/30 13:08 upstream 195303136f19 9942de5f .config log report
ci-upstream-kasan-gce-root 2018/12/26 14:59 upstream 5694cecdb092 8a41a0ad .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/24 20:01 upstream 8fe28cb58bcb 8a41a0ad .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/23 04:35 upstream 9105b8aa50c1 e3bd7ab8 .config log report
ci-upstream-kasan-gce-smack-root 2018/12/22 10:24 upstream 5092adb2272e 603b5124 .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/12 09:52 upstream f5d582777bcb c3b10a5d .config log report
ci-upstream-kasan-gce-root 2018/12/11 23:19 upstream f5d582777bcb 7795ae03 .config log report
ci-upstream-kasan-gce-selinux-root 2018/12/03 23:28 upstream 0072a0c14d5b 03f94a45 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/30 01:37 upstream f92a2ebb3d55 66071e27 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/26 09:51 upstream 2e6e902d1850 ac912200 .config log report
ci-upstream-kasan-gce-smack-root 2018/11/25 03:32 upstream e195ca6cb6f2 ecc7c870 .config log report
ci-upstream-kasan-gce-smack-root 2018/11/24 09:39 upstream 7c98a4261827 ecc7c870 .config log report
ci-upstream-kasan-gce-root 2018/11/23 21:08 upstream e6005d3c4233 eb9ed731 .config log report
ci-upstream-kasan-gce-root 2018/11/22 17:23 upstream 92b419289cee 2ee77802 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/20 14:50 upstream f2ce1065e767 9bc2a903 .config log report
ci-upstream-kasan-gce-root 2018/11/20 06:02 upstream f2ce1065e767 9bc2a903 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/20 00:44 upstream f2ce1065e767 adf636a8 .config log report
ci-upstream-kasan-gce-root 2018/11/19 17:20 upstream 9ff01193a20d adf636a8 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/18 08:27 upstream 1ce80e0fe98e adf636a8 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/17 18:57 upstream 1ce80e0fe98e b08ee62a .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/16 07:57 upstream da5322e65940 f5e275d1 .config log report
ci-upstream-kasan-gce-root 2018/11/14 19:52 upstream ccda4af0f4b9 5f5f6d14 .config log report
ci-upstream-kasan-gce-selinux-root 2018/11/14 10:25 upstream ccda4af0f4b9 5f5f6d14 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/21 20:11 linux-next 3f018f4a019a b0e8efcb .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/21 17:03 linux-next 3f018f4a019a b0e8efcb .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/21 13:32 linux-next 3f018f4a019a b0e8efcb .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/21 05:14 linux-next 3f018f4a019a b0e8efcb .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/16 04:52 linux-next f9221a7a1014 505ab413 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/22 14:36 linux-next 32a217bae32c dce6e62f .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/09 13:17 linux-next cf08baa29613 12365b99 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/04 01:08 linux-next c63e9e91a254 1c0e457a .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/03 23:36 linux-next c63e9e91a254 1c0e457a .config log report
ci-upstream-linux-next-kasan-gce-root 2019/03/03 20:37 linux-next c63e9e91a254 1c0e457a .config log report
ci-upstream-linux-next-kasan-gce-root 2019/02/09 16:31 linux-next a46228f6598a d75f7686 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/01/05 22:52 linux-next a4983672f9ca 53be0a37 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/12/15 15:14 linux-next d14b746c6c1c c9128939 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/12/08 00:06 linux-next 74c4a24df7ca 65ed2472 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/23 21:23 linux-next 442b8cea2477 eb9ed731 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/20 16:26 linux-next 442b8cea2477 9bc2a903 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/20 05:10 linux-next 442b8cea2477 9bc2a903 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/11/10 20:33 linux-next 442b8cea2477 f3c4e618 .config log report