syzbot


INFO: task hung in paste_selection
Status: fixed on 2020/03/27 08:38
Reported-by: syzbot+7a3d898477ca5e9e9c26@syzkaller.appspotmail.com
Fix commit: 7c315855c6f4 ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()
First crash: 718d, last: 643d

Fix bisection: fixed by (bisect log) :
commit 7c315855c6f490d0bb70bc38a85b536011b9bd82
Author: Eric Dumazet <edumazet@google.com>
Date: Tue Mar 10 01:22:58 2020 +0000

  ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()

similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in paste_selection C done 10 643d 719d 1/1 fixed on 2020/03/26 13:10
upstream INFO: task hung in paste_selection (2) syz inconclusive 4 23d 102d 0/22 upstream: reported syz repro on 2021/08/19 03:38
upstream INFO: task hung in paste_selection C inconclusive done 8 659d 724d 17/22 fixed on 2020/04/15 17:19
linux-4.14 INFO: task hung in paste_selection (3) 1 309d 309d 0/1 auto-closed as invalid on 2021/05/24 08:55
linux-4.14 INFO: task hung in paste_selection (2) 1 502d 502d 0/1 auto-closed as invalid on 2020/11/12 23:24

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/12/12 10:41 linux-4.14.y a844dc4c5442 d973f528 .config log report syz C
ci2-linux-4-14 2020/02/25 15:03 linux-4.14.y 98db2bf27b9e 4c886d6a .config log report
ci2-linux-4-14 2020/02/04 09:07 linux-4.14.y 9fa690a2a016 93e5e335 .config log report
ci2-linux-4-14 2020/02/02 22:15 linux-4.14.y 9fa690a2a016 93e5e335 .config log report
ci2-linux-4-14 2020/01/22 00:49 linux-4.14.y c1141b3aab36 8eda0b95 .config log report
ci2-linux-4-14 2019/12/20 19:44 linux-4.14.y bfb9e5c03076 34011c05 .config log report
ci2-linux-4-14 2019/12/18 19:50 linux-4.14.y bfb9e5c03076 79b211f7 .config log report
ci2-linux-4-14 2019/12/13 16:13 linux-4.14.y a844dc4c5442 2a752b7c .config log report