syzbot


INFO: rcu detected stall in corrupted
Status: fixed on 2019/12/05 23:59
Reported-by: syzbot+d3a6c6c6579d03ba70d7@syzkaller.appspotmail.com
Fix commit: cc243e24 sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero
First crash: 276d, last: 254d

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 (7):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 INFO: rcu detected stall in corrupted C 3 337d 410d 0/1 public: reported C repro on 2019/04/10 16:04
android-49 INFO: rcu detected stall in corrupted C 27 222d 407d 0/3 public: reported C repro on 2019/04/14 00:00
upstream INFO: rcu detected stall in corrupted (3) C cause 1 426d 422d 0/17 closed as invalid on 2019/03/30 00:13
linux-4.14 INFO: rcu detected stall in corrupted (2) C fix 3 51d 141d 0/1 upstream: reported C repro on 2020/01/04 08:54
upstream INFO: rcu detected stall in corrupted syz 1 734d 734d 9/17 fixed on 2018/07/09 18:05
linux-4.19 INFO: rcu detected stall in corrupted syz fix 1 101d 101d 0/1 upstream: reported syz repro on 2020/02/13 05:06
upstream INFO: rcu detected stall in corrupted (2) syz 1 666d 666d 0/17 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 Maintainers
ci2-linux-4-14 2019/09/13 06:08 linux-4.14.y e2cd24b6 40fa42bc .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci2-linux-4-14 2019/09/08 09:40 linux-4.14.y 414510bc a60cb4cd .config log report syz C davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci2-linux-4-14 2019/08/22 06:56 linux-4.14.y 45f092f9 4ea67ff8 .config log report syz alexander.levin@microsoft.com, gregkh@linuxfoundation.org, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, x86@kernel.org, zhenzhong.duan@oracle.com