syzbot


possible deadlock in pipe_lock (2)
Status: upstream: reported C repro on 2019/12/26 07:17
Reported-by: syzbot+53f68fd7f9d60fc0f4b3@syzkaller.appspotmail.com
First crash: 93d, last: 8d14h
similar bugs (6):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream possible deadlock in pipe_lock 50806 830d 878d 0/17 closed as invalid on 2018/02/14 14:20
upstream possible deadlock in pipe_lock (2) 3 341d 411d 0/17 auto-closed as invalid on 2019/10/18 15:02
android-49 possible deadlock in pipe_lock 5 155d 348d 0/3 auto-closed as invalid on 2020/02/21 12:40
linux-4.19 possible deadlock in pipe_lock C fix 2 335d 338d 1/1 fixed on 2019/11/29 10:34
android-44 possible deadlock in pipe_lock C 82 115d 349d 0/2 public: reported C repro on 2019/04/14 08:51
upstream possible deadlock in pipe_lock (3) C cause+fix 4 55d 92d 0/17 upstream: reported C repro on 2019/12/26 21:25

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci2-linux-4-19 2020/02/24 12:36 linux-4.19.y f25804f3 be5c2c81 .config log report syz C
ci2-linux-4-19 2020/01/25 12:10 linux-4.19.y d183c8e2 be5c2c81 .config log report syz C
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2019/12/26 07:16 linux-4.19.y 672481c2 be5c2c81 .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-linux-4-19 2020/03/19 18:42 linux-4.19.y 93556fb2 2c31c529 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk