syzbot


INFO: task hung in nbd_ioctl (2)
Status: upstream: reported C repro on 2020/01/03 17:08
Reported-by: syzbot+2955441f38a151da301f@syzkaller.appspotmail.com
First crash: 271d, last: 26d
similar bugs (5):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.14 INFO: task hung in nbd_ioctl C fix 18 279d 353d 1/1 fixed on 2019/12/28 10:32
upstream INFO: task hung in nbd_ioctl (2) 37 33d 86d 17/17 fixed on 2020/09/25 01:17
upstream INFO: task hung in nbd_ioctl C cause 71 330d 366d 14/17 fixed on 2019/11/06 12:39
linux-4.19 INFO: task hung in nbd_ioctl C 38 10d 354d 0/1 upstream: reported C repro on 2019/10/12 13:11
upstream INFO: task hung in nbd_ioctl (3) syz 2 1d15h 2d18h 0/17 upstream: reported syz repro on 2020/09/28 07:17

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci2-linux-4-14 2020/08/04 15:20 linux-4.14.y 7f2c5eb4 9dcc1191 .config log report syz C
ci2-linux-4-14 2020/05/24 11:17 linux-4.14.y a41ba30d 9dcc1191 .config log report syz C
ci2-linux-4-14 2020/03/02 15:42 linux-4.14.y 78d697fc 9dcc1191 .config log report syz C
Crashes (16):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci2-linux-4-14 2020/01/03 17:07 linux-4.14.y 4c5bf01e 9dcc1191 .config log report syz C jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/09/04 19:55 linux-4.14.y 2f166cdc abf9ba4f .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/08/30 11:06 linux-4.14.y d7e78d08 d5a3ae1f .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/08/15 08:33 linux-4.14.y 14b58326 5ce13532 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/07/05 14:46 linux-4.14.y b850307b 22f87567 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/06/28 06:45 linux-4.14.y b850307b a2cdad9d .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/06/08 19:43 linux-4.14.y c6db52a8 7604bb03 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/06/01 12:51 linux-4.14.y 4f68020f a0331e89 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/04/24 10:45 linux-4.14.y 050272a0 03d97a1b .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/04/19 15:44 linux-4.14.y c10b57a5 6dfd45e1 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/04/14 05:54 linux-4.14.y c10b57a5 7c54686a .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/03/31 09:46 linux-4.14.y 01364dad c8d1cc20 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/03/28 04:45 linux-4.14.y 01364dad 831e9a81 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/03/16 23:32 linux-4.14.y 12cd844a 749688d2 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/03/14 19:39 linux-4.14.y 12cd844a 749688d2 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org
ci2-linux-4-14 2020/02/01 15:09 linux-4.14.y 9fa690a2 326d4c78 .config log report jbacik@fb.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, nbd@other.debian.org