syzbot


KASAN: use-after-free Read in devlink_get_from_attrs
Status: upstream: reported C repro on 2020/06/29 16:31
Reported-by: syzbot+09b4a3f42f32d58b8982@syzkaller.appspotmail.com
Fix commit: genetlink: get rid of family->attrbuf
Patched on: [ci-upstream-bpf-kasan-gce ci-upstream-linux-next-kasan-gce-root ci-upstream-net-this-kasan-gce], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 10d, last: 12h41m

Sample crash report:

Crashes (17):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/06/29 04:00 upstream 4e99b321 a2cdad9d .config log report syz C davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/06/29 03:05 upstream 4e99b321 a2cdad9d .config log report syz C davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root 2020/06/29 03:04 upstream 4e99b321 a2cdad9d .config log report syz C davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/29 02:38 net 0574e200 a2cdad9d .config log report syz C davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/06/29 03:50 net-next b08866f4 a2cdad9d .config log report syz C davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/06/29 03:08 linux-next 36e3135d a2cdad9d .config log report syz C davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/06/30 20:48 upstream 9ebcfadb 917afeaa .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root 2020/06/27 20:33 upstream 1590a2e1 ffec44b5 .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/29 20:48 net 0574e200 a2cdad9d .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/29 02:12 net 0574e200 a2cdad9d .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/28 15:00 net 0574e200 a2cdad9d .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/27 16:02 net 4a21185c ffec44b5 .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/26 20:26 net f4926d51 aea82c00 .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce 2020/06/24 17:56 net b835a71e 54566aff .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/07/04 09:32 net-next e44f65fd 51095195 .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/06/28 03:50 net-next 7bed1455 ffec44b5 .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce 2020/06/27 20:38 net-next 7bed1455 ffec44b5 .config log report davem@davemloft.net, jiri@mellanox.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org