syzbot


INFO: task hung in fsnotify_mark_destroy_workfn
Status: fixed on 2020/01/16 11:28
Reported-by: syzbot+1826d52753e7c9af316e@syzkaller.appspotmail.com
Fix commit: 42a929ed rtc: disable uie before setting time and enable after
First crash: 295d, last: 108d

Fix bisection: fixed by (bisect log):

commit 42a929edf5674aa5c9e2883dafca7eff2013729e
Author: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Sun Oct 20 23:13:20 2019 +0000

  rtc: disable uie before setting time and enable after

similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: task hung in fsnotify_mark_destroy_workfn syz 13 602d 716d 11/17 fixed on 2018/09/08 03:03
upstream INFO: task hung in fsnotify_mark_destroy_workfn (2) 42 169d 569d 0/17 closed as invalid on 2019/10/23 07:21
android-414 INFO: task hung in fsnotify_mark_destroy_workfn 9 130d 355d 0/1 auto-closed as invalid on 2020/03/23 16:47

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-19 2019/06/12 06:27 linux-4.19.y 768292d0 ea2f4006 .config log report syz amir73il@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19 2019/08/06 05:03 linux-4.19.y b3060a1a 6affd8e8 .config log report amir73il@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19 2019/07/29 14:06 linux-4.19.y 64f46940 f67095ee .config log report amir73il@gmail.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org