syzbot


WARNING: suspicious RCU usage in ovs_flow_tbl_destroy
Status: fixed on 2020/09/16 22:51
Reported-by: syzbot+c0eb9e7cdde04e4eb4be@syzkaller.appspotmail.com
Fix commit: 5845589e net: openvswitch: silence suspicious RCU usage warning
First crash: 55d, last: 53d

Cause bisection: introduced by (bisect log):

commit 9bf24f594c6acf676fb8c229f152c21bfb915ddb
Author: Eelco Chaudron <echaudro@redhat.com>
Date: Fri Jul 31 12:21:34 2020 +0000

  net: openvswitch: make masks cache size configurable

Crash: WARNING: suspicious RCU usage in ovs_flow_tbl_destroy (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/08/04 16:26 9m pabeni@redhat.com patch net-next report log

Sample crash report:

Crashes (658):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-bpf-next-kasan-gce 2020/08/05 11:49 bpf-next da795540 b7129355 .config log report syz C davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-net-kasan-gce 2020/08/04 07:10 net-next 2f631133 196277c4 .config log report syz C davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 21:08 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 20:52 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 19:45 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 18:50 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 18:30 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 17:29 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 16:58 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 15:57 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 15:32 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 14:31 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 14:06 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 13:04 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 12:46 bpf-next da795540 1f122f88 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 11:04 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 10:08 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 09:57 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 08:53 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 08:42 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 07:37 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 07:07 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 06:06 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 05:42 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 04:35 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 04:08 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 03:01 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 02:27 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 01:24 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/06 00:13 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 23:48 bpf-next da795540 0487ea6f .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 22:44 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 22:31 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 21:30 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 20:45 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 20:27 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 19:25 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 18:45 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 18:39 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 17:37 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 16:51 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 15:49 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-bpf-next-kasan-gce 2020/08/05 15:41 bpf-next da795540 b7129355 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-net-kasan-gce 2020/08/05 06:53 net-next da795540 80a06902 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org
ci-upstream-net-kasan-gce 2020/08/04 06:08 net-next 2f631133 196277c4 .config log report davem@davemloft.net, dev@openvswitch.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org