syzbot


INFO: task hung in blkdev_put (3)
Status: upstream: reported C repro on 2020/08/30 21:52
Reported-by: syzbot+1f4ecbe714743132417a@syzkaller.appspotmail.com
First crash: 90d, last: 27d
similar bugs (12):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in blkdev_put (3) 1 216d 216d 0/17 auto-closed as invalid on 2020/06/25 13:28
android-49 INFO: task hung in blkdev_put (2) 3 379d 399d 0/3 auto-closed as invalid on 2020/03/14 12:22
linux-4.19 INFO: task hung in blkdev_put C 3 7d07h 128d 0/1 upstream: reported C repro on 2020/07/23 21:33
upstream INFO: task hung in blkdev_put 320 658d 1084d 0/17 closed as dup on 2018/11/11 08:29
linux-4.14 INFO: task hung in blkdev_put 2 442d 591d 0/1 auto-closed as invalid on 2020/01/12 01:56
upstream INFO: task hung in blkdev_put (4) C done 11 8d21h 56d 0/17 upstream: reported C repro on 2020/10/03 13:09
android-49 INFO: task hung in blkdev_put 220 577d 594d 0/3 auto-closed as invalid on 2019/10/25 08:47
linux-4.14 INFO: task hung in blkdev_put (2) 2 245d 283d 0/1 auto-closed as invalid on 2020/07/26 14:38
android-414 INFO: task hung in blkdev_put 119 364d 596d 0/1 auto-closed as invalid on 2020/03/30 04:06
android-44 INFO: task hung in blkdev_put 26 664d 594d 0/2 auto-closed as invalid on 2019/08/03 02:42
android-44 INFO: task hung in blkdev_put (2) 3 375d 452d 0/2 auto-closed as invalid on 2020/03/18 19:27
upstream INFO: task hung in blkdev_put (2) 2 371d 416d 0/17 auto-closed as invalid on 2020/02/22 04:07

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci2-linux-4-14 2020/10/04 09:44 linux-4.14.y bae31eef d5a3ae1f .config log report syz C
Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-linux-4-14 2020/11/01 16:49 linux-4.14.y 2b791501 8bc4594f .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-linux-4-14 2020/08/30 21:51 linux-4.14.y d7e78d08 d5a3ae1f .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-linux-4-14 2020/10/19 04:30 linux-4.14.y cbfa1702 fea47c01 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-linux-4-14 2020/09/04 05:46 linux-4.14.y 2f166cdc abf9ba4f .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk