syzbot


INFO: rcu detected stall in bad_area
Status: upstream: reported C repro on 2019/12/23 06:05
Reported-by: syzbot+79fe77a41f0f085ece70@syzkaller.appspotmail.com
First crash: 230d, last: 10d

Cause bisection: the bug happens on the oldest tested release
Crash: INFO: rcu detected stall in bad_area (log)
Repro: C syz .config

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-upstream-kasan-gce-selinux-root 2020/07/26 02:40 upstream 04300d66 79b211f7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/05/30 01:58 upstream 86852175 79b211f7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/04/30 01:33 upstream 1d2cc5ac 79b211f7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/03/31 01:09 upstream 673b41e0 79b211f7 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/01/26 22:52 upstream 5cf9ad0e 79b211f7 .config log report syz C
Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2019/12/19 06:02 upstream 2187f215 79b211f7 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2020/03/01 00:45 upstream f8788d86 59b57593 .config log report christian@brauner.io, ebiederm@xmission.com, guro@fb.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2019/12/26 11:00 upstream 46cf053e be5c2c81 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-kasan-gce-root 2019/12/25 15:44 upstream 46cf053e be5c2c81 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/02/27 18:36 linux-next bdc5461b 59b57593 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/02/13 03:50 linux-next 12975989 84f4fc8a .config log report christian@brauner.io, ebiederm@xmission.com, guro@fb.com, linux-kernel@vger.kernel.org, oleg@redhat.com