syzbot


WARNING: suspicious RCU usage in ovs_flow_tbl_masks_cache_size
Status: fixed on 2020/09/16 22:51
Reported-by: syzbot+f612c02823acb02ff9bc@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_masks_cache_size (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/08/04 17:22 0m pabeni@redhat.com patch net-next error

Sample crash report:

Crashes (4093):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-bpf-next-kasan-gce 2020/08/05 12:13 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 07:12 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 22:01 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 21:49 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 21:38 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 21:27 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 21:12 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 21:03 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 20:51 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 20:38 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 20:27 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 20:17 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 20:06 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 19:55 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 19:34 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 19:21 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 19:08 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 18:54 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 18:43 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 18:18 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 18:08 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 17:58 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 17:46 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 17:32 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 17:19 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 17:07 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 16:52 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 16:42 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 16:31 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 16:21 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 16:09 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 15:56 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 15:45 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 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 15:15 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 14:59 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 14:47 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 14:33 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 14:14 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 13:52 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 13:31 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-net-kasan-gce 2020/08/05 22:34 net-next 4c900a6b 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 2020/08/04 06:06 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