syzbot


possible deadlock in do_io_accounting
Status: fixed on 2019/12/10 20:49
Reported-by: syzbot+41049bff8bbf2e607bf0@syzkaller.appspotmail.com
Fix commit: f1c5aa5e ovl: detect overlapping layers
First crash: 294d, last: 182d

Fix bisection: fixed by (bisect log):

commit f1c5aa5eda08710c2ba619d93126380881fa1114
Author: Amir Goldstein <amir73il@gmail.com>
Date: Thu Apr 18 14:42:08 2019 +0000

  ovl: detect overlapping layers

similar bugs (8):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-49 possible deadlock in do_io_accounting C 4521 118d 354d 0/3 public: reported C repro on 2019/04/12 00:00
android-44 possible deadlock in do_io_accounting C 28 119d 354d 0/2 public: reported C repro on 2019/04/11 08:44
upstream possible deadlock in do_io_accounting (3) C cause 39 4d22h 95d 0/17 upstream: reported C repro on 2019/12/26 21:15
linux-4.19 possible deadlock in do_io_accounting (2) syz 16 4d13h 97d 0/1 upstream: reported syz repro on 2019/12/24 07:12
upstream possible deadlock in do_io_accounting syz 1003 369d 847d 0/17 closed as dup on 2017/12/12 21:27
upstream possible deadlock in do_io_accounting (2) 1 342d 340d 0/17 auto-closed as invalid on 2019/10/20 09:03
android-414 possible deadlock in do_io_accounting syz 70 370d 354d 0/1 public: reported syz repro on 2019/04/12 00:01
linux-4.14 possible deadlock in do_io_accounting C 38 21h31m 280d 0/1 upstream: reported C repro on 2019/06/24 03:04

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2019/06/13 13:20 linux-4.19.y 768292d0 3f4e812b .config log report syz C adobriyan@gmail.com, akpm@linux-foundation.org, gregkh@linuxfoundation.org, jannh@google.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, paul@paul-moore.com, vbabka@suse.cz
ci2-linux-4-19 2019/09/30 11:19 linux-4.19.y d573e8a7 c7a4fb99 .config log report adobriyan@gmail.com, akpm@linux-foundation.org, gregkh@linuxfoundation.org, jannh@google.com, keescook@chromium.org, khlebnikov@yandex-team.ru, ktkhai@virtuozzo.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, paul@paul-moore.com
ci2-linux-4-19 2019/06/13 11:38 linux-4.19.y 768292d0 3f4e812b .config log report adobriyan@gmail.com, akpm@linux-foundation.org, gregkh@linuxfoundation.org, james.morris@microsoft.com, jannh@google.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, paul@paul-moore.com, vbabka@suse.cz
ci2-linux-4-19 2019/06/10 15:03 linux-4.19.y bb7b450e 0159583c .config log report adobriyan@gmail.com, akpm@linux-foundation.org, gregkh@linuxfoundation.org, jannh@google.com, john.johansen@canonical.com, keescook@chromium.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, paul@paul-moore.com, vbabka@suse.cz