syzbot


KASAN: use-after-free Read in tipc_bcast_get_mode
Status: upstream: reported on 2020/08/03 15:23
Reported-by: syzbot+6ea1f7a8df64596ef4d7@syzkaller.appspotmail.com
Fix commit: tipc: fix use-after-free in tipc_bcast_get_mode
Patched on: [ci-upstream-bpf-next-kasan-gce ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-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-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 56d, last: 56d

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-net-kasan-gce 2020/08/03 05:03 net-next bd0b33b2 196277c4 .config log report davem@davemloft.net, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com