syzbot


KMSAN: uninit-value in macvlan_broadcast
Status: internal: reported C repro on 2020/01/06 18:34
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 96cc4b69 macvlan: do not assume mac_header is set in macvlan_broadcast()
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: 41d, last: 41d

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kmsan-gce 2020/01/07 01:27 https://github.com/google/kmsan.git master 997a8b55 53430d97 .config log report syz C ap420073@gmail.com, davem@davemloft.net, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, liuhangbin@gmail.com, netdev@vger.kernel.org, tglx@linutronix.de
ci-upstream-kmsan-gce 2020/01/06 18:21 https://github.com/google/kmsan.git master 997a8b55 438e1227 .config log report syz C ap420073@gmail.com, davem@davemloft.net, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, liuhangbin@gmail.com, netdev@vger.kernel.org, tglx@linutronix.de