syzbot


possible deadlock in dquot_commit
Status: upstream: reported C repro on 2021/02/10 11:25
Reported-by: syzbot+3b6f9218b1301ddda3e2@syzkaller.appspotmail.com
First crash: 264d, last: 13h18m

Cause bisection: introduced by (bisect log) [merge commit]:
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: WARNING: ODEBUG bug in netdev_freemem (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 possible deadlock in dquot_commit C 4 12d 170d 0/1 upstream: reported C repro on 2021/05/11 01:53
linux-4.19 possible deadlock in dquot_commit C 17 24d 394d 0/1 upstream: reported C repro on 2020/09/29 12:02
Patch testing requests:
Created Duration User Patch Repo Result
2021/10/07 09:50 19m jack@suse.cz patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 60a9483534ed0d99090a2ee1d4bb0b8179195f51 OK
2021/08/09 14:52 39m jack@suse.cz patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 902e7f373fff2476b53824264c12e4e76c7ec02a report log

Sample crash report:

Crashes (27):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/08/09 12:53 upstream 66745863ecde 6972b106 .config log report syz C possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/10/24 13:03 upstream 9c0c4d24ac00 282f03fb .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-smack-root 2021/10/16 19:19 upstream 8fe31e0995f0 0c5d9412 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-smack-root 2021/10/04 18:22 upstream 84b3e42564ac ce697b49 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-selinux-root 2021/09/23 15:00 upstream 58e2cf5d7946 8cac236e .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/09/20 21:21 upstream e4e737bb5c17 af796c18 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-smack-root 2021/09/09 15:28 upstream a3fa7a101dcf e2776ee4 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/08/30 03:50 upstream 90ac80dcd313 be2c130d .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/08/29 07:48 upstream 64b4fc45bea6 be2c130d .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/08/21 17:04 upstream fa54d366a6e4 b599f2fc .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-smack-root 2021/08/09 01:05 upstream 66745863ecde 6972b106 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/08/03 18:11 upstream c500bee1c5b2 6c236867 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/07/25 03:32 upstream 6498f6151825 4d1b57d4 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-smack-root 2021/06/21 18:08 upstream 13311e74253f aba2b2fb .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/05/25 00:44 upstream 1434a3127887 3c7fef33 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-smack-root 2021/05/16 00:00 upstream c12a29ed9094 f54a5c09 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/05/11 12:51 upstream 1140ab592e2e ca873091 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/05/09 10:52 upstream b741596468b0 bc5434be .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-selinux-root 2021/05/04 17:02 upstream d2b6f8a17919 09efdd63 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-root 2021/04/12 01:33 upstream 7d900724913c bfeda1b1 .config log report info possible deadlock in dquot_commit
ci-upstream-kasan-gce-selinux-root 2021/02/06 11:23 upstream 1e0d27fce010 23a562df .config log report info possible deadlock in dquot_commit
ci-qemu-upstream-386 2021/10/28 01:55 upstream 1fc596a56b33 be531bb4 .config log report info possible deadlock in dquot_commit
ci-upstream-linux-next-kasan-gce-root 2021/10/17 06:08 linux-next 7c832d2f9b95 0c5d9412 .config log report info possible deadlock in dquot_commit
ci-upstream-linux-next-kasan-gce-root 2021/05/10 02:05 linux-next e6f67ebd93ef bc5434be .config log report info possible deadlock in dquot_commit
ci-upstream-linux-next-kasan-gce-root 2021/03/02 13:17 linux-next 92f791ebd25b 92ead296 .config log report info possible deadlock in dquot_commit
ci-qemu2-riscv64 2021/06/17 19:51 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 18a3c5f7abfd aba2b2fb .config log report info possible deadlock in dquot_commit
ci-qemu2-riscv64 2021/05/02 09:08 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 18a3c5f7abfd 77e2b668 .config log report info possible deadlock in dquot_commit