syzbot


possible deadlock in refcount_dec_and_mutex_lock
Status: upstream: reported C repro on 2019/10/14 23:08
Reported-by: syzbot+6921901d8a8ec5b51d40@syzkaller.appspotmail.com
First crash: 30d, last: 1d23h
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream possible deadlock in refcount_dec_and_mutex_lock 1 54d 50d 0/14 upstream: reported on 2019/09/25 06:19
linux-4.19 possible deadlock in refcount_dec_and_mutex_lock C 1 11d 11d 0/1 upstream: reported C repro on 2019/11/03 12:50

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/11/03 06:31 linux-4.14.y ddef1e8e d603afc9 .config log report syz C jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2019/11/03 00:09 linux-4.14.y ddef1e8e d603afc9 .config log report syz jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2019/10/14 22:07 linux-4.14.y e132c8d7 05ad7292 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2019/11/12 21:24 linux-4.14.y 4762bcd4 048f2d49 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2019/11/03 06:03 linux-4.14.y ddef1e8e d603afc9 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2019/11/02 21:13 linux-4.14.y ddef1e8e d603afc9 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org