syzbot


INFO: rcu detected stall in corrupted
Status: fixed on 2019/12/05 23:59
Reported-by: syzbot+d3a6c6c6579d03ba70d7@syzkaller.appspotmail.com
Fix commit: cc243e2427ce sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero
First crash: 1001d, last: 979d

Fix bisection: fixed by (bisect log) :
commit cc243e2427cef2a5dd7367cb0e0b846503350ffe
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Sun Sep 8 20:40:51 2019 +0000

  sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero

similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 INFO: rcu detected stall in corrupted C 3 1061d 1134d 0/1 public: reported C repro on 2019/04/10 16:04
android-49 INFO: rcu detected stall in corrupted C 27 946d 1131d 0/3 public: reported C repro on 2019/04/14 00:00
upstream INFO: rcu detected stall in corrupted (3) C done 1 1150d 1146d 0/22 closed as invalid on 2019/03/30 00:13
linux-4.14 INFO: rcu detected stall in corrupted (2) C error 4 704d 866d 0/1 upstream: reported C repro on 2020/01/04 08:54
upstream INFO: rcu detected stall in corrupted (4) C done inconclusive 115 79d 621d 0/22 upstream: reported C repro on 2020/09/04 18:49
upstream INFO: rcu detected stall in corrupted syz 1 1459d 1458d 9/22 fixed on 2018/07/09 18:05
linux-4.19 INFO: rcu detected stall in corrupted C error 2 118d 826d 0/1 upstream: reported C repro on 2020/02/13 05:06
upstream INFO: rcu detected stall in corrupted (2) syz 1 1390d 1390d 0/22 closed as invalid on 2018/07/29 11:55

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/09/13 06:08 linux-4.14.y e2cd24b62938 40fa42bc .config log report syz C
ci2-linux-4-14 2019/09/08 09:40 linux-4.14.y 414510bc00a5 a60cb4cd .config log report syz C
ci2-linux-4-14 2019/08/22 06:56 linux-4.14.y 45f092f9e9cb 4ea67ff8 .config log report syz