syzbot


BUG: corrupted list in mousedev_release
Status: fixed on 2020/09/25 01:17
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 77f4689d fix regression in "epoll: Keep a reference on files added to the check list"
First crash: 29d, last: 27d

Cause bisection: introduced by (bisect log):

commit a9ed4a6560b8562b7e2e2bed9527e88001f7b682
Author: Marc Zyngier <maz@kernel.org>
Date: Wed Aug 19 16:12:17 2020 +0000

  epoll: Keep a reference on files added to the check list

Crash: BUG: corrupted list in mousedev_detach_client (log)
Repro: syz .config
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 BUG: corrupted list in mousedev_release syz 1 29d 29d 0/1 upstream: reported syz repro on 2020/08/30 20:53
linux-4.14 BUG: corrupted list in mousedev_release syz 1 29d 29d 0/1 upstream: reported syz repro on 2020/08/30 16:28

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/09/01 02:38 upstream f75aef39 d5a3ae1f .config log report syz dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/09/01 02:02 upstream f75aef39 d5a3ae1f .config log report syz dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce 2020/08/31 12:25 upstream dcc5c6f0 d5a3ae1f .config log report syz dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-386 2020/08/30 22:37 upstream 1127b219 d5a3ae1f .config log report syz dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/01 14:01 linux-next b36c9697 d5a3ae1f .config log report syz dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org