syzbot


INFO: rcu detected stall in br_handle_frame
Status: fixed on 2019/12/07 19:24
Reported-by: syzbot+04f79b221ef00491c0c7@syzkaller.appspotmail.com
Fix commit: cc243e24 sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero
First crash: 260d, last: 249d

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 (4):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream INFO: rcu detected stall in br_handle_frame C cause 341 251d 257d 14/17 fixed on 2019/10/09 10:54
upstream INFO: rcu detected stall in br_handle_frame (2) C cause 2 156d 152d 16/17 fixed on 2020/02/18 14:31
linux-4.14 INFO: rcu detected stall in br_handle_frame (2) C fix 1 156d 156d 1/1 fixed on 2020/01/19 15:05
linux-4.19 INFO: rcu detected stall in br_handle_frame C fix 41 249d 261d 1/1 fixed on 2019/12/07 19:18

Sample crash report:

Crashes (15):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/09/08 13:20 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 2019/09/08 07:38 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 2019/09/07 13:59 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 2019/09/18 16:44 linux-4.14.y 968722f5 46c0be24 .config log report 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 2019/09/16 21:34 linux-4.14.y 968722f5 51ca0454 .config log report 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 2019/09/16 20:48 linux-4.14.y 968722f5 51ca0454 .config log report 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 2019/09/16 17:04 linux-4.14.y 968722f5 55c50e70 .config log report 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 2019/09/16 07:08 linux-4.14.y 968722f5 32d59357 .config log report 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 2019/09/14 11:32 linux-4.14.y e2cd24b6 32d59357 .config log report 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 2019/09/13 16:04 linux-4.14.y e2cd24b6 32d59357 .config log report 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 2019/09/11 21:00 linux-4.14.y e2cd24b6 f4e53c10 .config log report 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 2019/09/10 10:49 linux-4.14.y e2cd24b6 a60cb4cd .config log report 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 2019/09/09 04:57 linux-4.14.y 414510bc a60cb4cd .config log report 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 2019/09/07 03:14 linux-4.14.y 414510bc a60cb4cd .config log report 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 2019/09/07 03:05 linux-4.14.y 414510bc a60cb4cd .config log report davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com