syzbot


WARNING in close_fs_devices (3)
Status: upstream: reported C repro on 2020/11/28 20:17
Reported-by: syzbot+a70e2ad0879f160b9217@syzkaller.appspotmail.com
First crash: 63d, last: 2d21h

Cause bisection: introduced by (bisect log) :
commit 4d004099a668c41522242aa146a38cc4eb59cb1e
Author: Peter Zijlstra <peterz@infradead.org>
Date: Fri Oct 2 09:04:21 2020 +0000

  lockdep: Fix lockdep recursion

Crash: BUG: using __this_cpu_read() in preemptible code in trace_hardirqs_on (log)
Repro: C syz .config
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in close_fs_devices C 137 923d 967d 9/19 fixed on 2018/08/28 17:48
linux-4.19 WARNING in close_fs_devices C 29 3d09h 133d 0/1 upstream: reported C repro on 2020/09/16 05:39
upstream WARNING in close_fs_devices (2) C 23 69d 131d 17/19 fixed on 2020/11/20 14:54

Sample crash report:

Crashes (19):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/11/29 13:58 linux-next 6174f052 a0092f9d .config log report syz C clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2021/01/24 17:21 upstream e1ae4b0b 52e37319 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2021/01/23 17:22 upstream fe75a218 52e37319 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2021/01/19 17:57 upstream 1e2a199f 63631df1 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2021/01/18 19:37 upstream 19c329f6 63631df1 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2021/01/04 15:54 upstream e71ba945 79264ae3 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2021/01/04 12:07 upstream e71ba945 79264ae3 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/12/28 10:23 upstream 5c8fe583 2242f77f .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/12/10 17:14 upstream a2f5ea9e f900b48c .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/12/09 19:31 upstream a68a0262 c090b4da .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/12/08 03:34 upstream cd796ed3 51a9082e .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/12/08 01:18 upstream cd796ed3 51a9082e .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/12/07 14:07 upstream 0477e928 1190297f .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/12/04 22:43 upstream e87297fa 20366b87 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/12/03 17:06 upstream 34816d20 e6b0d314 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/12/03 12:06 upstream 34816d20 e6b0d314 .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-root 2020/11/30 10:29 upstream b6505459 a0092f9d .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/11/24 20:06 upstream d5beb314 e34b696c .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/11/29 03:11 linux-next 6174f052 a0092f9d .config log report info clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org