syzbot


INFO: rcu detected stall in tc_modify_qdisc
Status: upstream: reported C repro on 2020/07/29 05:53
Reported-by: syzbot+9f78d5c664a8c33f4cce@syzkaller.appspotmail.com
First crash: 29d, last: 2d08h

Cause bisection: introduced by (bisect log):

commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: no output from test machine (log)
Repro: C syz .config

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/08/09 10:42 upstream 06a81c1c f721e4a0 .config log report syz C linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/08/07 22:36 upstream d6efb3ac cb436c69 .config log report syz C linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/08/08 00:42 net 8912fd6a cb436c69 .config log report syz C linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/07/28 18:12 net 181964e6 cb93dc6a .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/08/08 02:25 net-next bfdd5aaa cb436c69 .config log report syz C linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/07/28 13:41 upstream 92ed3019 cb93dc6a .config log report linux-kernel@vger.kernel.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/07/23 15:58 net 26cb7085 340ea530 .config log report davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-net-kasan-gce 2020/07/22 15:06 net-next fa56a987 128cd85f .config log report davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-linux-next-kasan-gce-root 2020/07/13 08:27 linux-next d31958b3 9ebcc5b1 .config log report davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com