syzbot


INFO: rcu detected stall in sys_mount (5)
Status: upstream: reported C repro on 2020/09/09 08:49
Reported-by: syzbot+dc8c077c7091175cbdb1@syzkaller.appspotmail.com
First crash: 86d, last: 1d11h

Cause bisection: introduced by (bisect log):

commit bc119dd954ba172554b4cc49db249c4fb62701e6
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon Mar 11 16:34:00 2019 +0000

  Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide

Crash: WARNING: proc registration bug in afs_manage_cell (log)
Repro: C syz .config
similar bugs (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_mount (4) 2 208d 223d 0/17 auto-closed as invalid on 2020/06/02 15:48
upstream INFO: rcu detected stall in sys_mount (3) 6 300d 300d 0/17 closed as invalid on 2019/12/04 14:04
upstream INFO: rcu detected stall in sys_mount 1 705d 705d 0/17 closed as invalid on 2018/10/29 13:47
upstream INFO: rcu detected stall in sys_mount (2) 1 656d 656d 0/17 closed as dup on 2018/12/12 21:01

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/09/27 10:30 upstream a1bffa48 5dd8aee8 .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/09/26 18:27 upstream 7c7ec322 2d5ea0cb .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/09/21 21:13 upstream ba4f184e 9e1fa68e .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/09/09 07:16 upstream 612ab8ad abf9ba4f .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/09/27 18:26 linux-next d1d2220c 5dd8aee8 .config log report syz C keescook@chromium.org, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-linux-next-kasan-gce-root 2020/09/22 20:52 linux-next e6499702 3e8f6c27 .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-selinux-root 2020/09/10 15:18 upstream 7fe10096 409809d8 .config log report fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/09/09 05:01 upstream 612ab8ad abf9ba4f .config log report fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/07/04 22:27 upstream 7cc2a8ea 51095195 .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de