syzbot


INFO: task hung in blkdev_put
Status: upstream: reported C repro on 2020/07/23 21:33
Reported-by: syzbot+cded3bd87b0c7c49c717@syzkaller.appspotmail.com
First crash: 128d, last: 7d07h
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
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
linux-4.14 INFO: task hung in blkdev_put (3) C 4 27d 90d 0/1 upstream: reported C repro on 2020/08/30 21:52
upstream INFO: task hung in blkdev_put (4) C done 11 8d20h 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:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-linux-4-19 2020/11/21 22:04 linux-4.19.y 2c746135 c7ec2d19 .config log report syz C linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-linux-4-19 2020/10/14 08:27 linux-4.19.y a1b977b4 fc7735a2 .config log report info linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci2-linux-4-19 2020/07/23 21:32 linux-4.19.y 20b3a3df 70c104a1 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk