syzbot


INFO: task hung in nbd_ioctl (2)
Status: fixed on 2020/10/21 11:01
Reported-by: syzbot+2955441f38a151da301f@syzkaller.appspotmail.com
Fix commit: 7241d653bcc1 tipc: fix shutdown() of connection oriented socket
First crash: 704d, last: 459d

Fix bisection: fixed by (bisect log) :
commit 7241d653bcc17eaf4ccb9994f360168d8bfea32d
Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Sat Sep 5 06:14:47 2020 +0000

  tipc: fix shutdown() of connection oriented socket

similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in nbd_ioctl C done 18 712d 785d 1/1 fixed on 2019/12/28 10:32
upstream INFO: task hung in nbd_ioctl (2) 37 466d 519d 17/22 fixed on 2020/09/25 01:17
upstream INFO: task hung in nbd_ioctl C done 71 763d 798d 14/22 fixed on 2019/11/06 12:39
linux-4.19 INFO: task hung in nbd_ioctl C error 59 1d08h 787d 0/1 upstream: reported C repro on 2019/10/12 13:11
upstream INFO: task hung in nbd_ioctl (3) C done unreliable 12 28d 435d 0/22 upstream: reported C repro on 2020/09/28 07:17
linux-4.14 INFO: task hung in nbd_ioctl (3) C 9 18h25m 389d 0/1 upstream: reported C repro on 2020/11/13 07:37

Sample crash report:

Crashes (16):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/01/03 17:07 linux-4.14.y 4c5bf01e16a7 9dcc1191 .config log report syz C
ci2-linux-4-14 2020/09/04 19:55 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report
ci2-linux-4-14 2020/08/30 11:06 linux-4.14.y d7e78d08fa77 d5a3ae1f .config log report
ci2-linux-4-14 2020/08/15 08:33 linux-4.14.y 14b58326976d 5ce13532 .config log report
ci2-linux-4-14 2020/07/05 14:46 linux-4.14.y b850307b279c 22f87567 .config log report
ci2-linux-4-14 2020/06/28 06:45 linux-4.14.y b850307b279c a2cdad9d .config log report
ci2-linux-4-14 2020/06/08 19:43 linux-4.14.y c6db52a88798 7604bb03 .config log report
ci2-linux-4-14 2020/06/01 12:51 linux-4.14.y 4f68020fef1c a0331e89 .config log report
ci2-linux-4-14 2020/04/24 10:45 linux-4.14.y 050272a0423e 03d97a1b .config log report
ci2-linux-4-14 2020/04/19 15:44 linux-4.14.y c10b57a567e4 6dfd45e1 .config log report
ci2-linux-4-14 2020/04/14 05:54 linux-4.14.y c10b57a567e4 7c54686a .config log report
ci2-linux-4-14 2020/03/31 09:46 linux-4.14.y 01364dad1d45 c8d1cc20 .config log report
ci2-linux-4-14 2020/03/28 04:45 linux-4.14.y 01364dad1d45 831e9a81 .config log report
ci2-linux-4-14 2020/03/16 23:32 linux-4.14.y 12cd844a39ed 749688d2 .config log report
ci2-linux-4-14 2020/03/14 19:39 linux-4.14.y 12cd844a39ed 749688d2 .config log report
ci2-linux-4-14 2020/02/01 15:09 linux-4.14.y 9fa690a2a016 326d4c78 .config log report