syzbot


KMSAN: uninit-value in can_receive
Status: upstream: reported C repro on 2019/11/18 19:05
Reported-by: syzbot+b02ff0707a97e4e79ebb@syzkaller.appspotmail.com
Fix commit: e7153bf7 can: can_dropped_invalid_skb(): ensure an initialized headroom in outgoing CAN sk_buffs
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce 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-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-kmsan-gce]
First crash: 92d, last: 1d20h

Sample crash report:

Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kmsan-gce 2019/12/03 09:39 https://github.com/google/kmsan.git master 940694c1 ab342da3 .config log report syz C davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2019/11/26 08:59 https://github.com/google/kmsan.git master 4a1d41e3 f746151a .config log report syz C davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/02/15 13:32 https://github.com/google/kmsan.git master 686a4f77 5d7b90f1 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/02/14 00:27 https://github.com/google/kmsan.git master 686a4f77 c5ed587f .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/02/10 09:10 https://github.com/google/kmsan.git master 686a4f77 35f5e45e .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/01/27 13:25 https://github.com/google/kmsan.git master 686a4f77 dd56146d .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/01/16 19:13 https://github.com/google/kmsan.git master 686a4f77 3de7aabb .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/01/16 04:04 https://github.com/google/kmsan.git master 686a4f77 f9b69507 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2020/01/15 22:58 https://github.com/google/kmsan.git master 686a4f77 f9b69507 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2019/12/30 20:34 https://github.com/google/kmsan.git master 997a8b55 af6b8ef8 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2019/12/30 11:03 https://github.com/google/kmsan.git master 997a8b55 af6b8ef8 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2019/12/08 10:36 https://github.com/google/kmsan.git master f8f75f03 1508f453 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2019/11/26 08:00 https://github.com/google/kmsan.git master 4a1d41e3 f746151a .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net
ci-upstream-kmsan-gce 2019/11/16 23:11 https://github.com/google/kmsan.git master 9c6a7162 d5696d51 .config log report davem@davemloft.net, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, mkl@pengutronix.de, netdev@vger.kernel.org, socketcan@hartkopp.net