syzbot


kernel panic: stack is corrupted in vhost_net_ioctl
Status: fixed on 2020/04/15 17:19
Reported-by: syzbot+f2a62d07a5198c819c7b@syzkaller.appspotmail.com
Fix commit: 42d84c84 vhost: Check docket sk_family instead of call getname
First crash: 310d, last: 220d

Cause bisection: the bug happens on the oldest tested release
Crash: KASAN: stack-out-of-bounds Write in ax25_getname (log)
Repro: syz .config

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info
ci-upstream-kasan-gce-smack-root 2020/02/13 03:15 upstream 0bf999f9 d5696d51 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/01/14 02:40 upstream b3a987b0 d5696d51 .config log report syz
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/02/15 15:32 upstream 2019fc96 5d7b90f1 .config log report syz C ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, jasowang@redhat.com, john.fastabend@gmail.com, kuba@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org
ci-upstream-kasan-gce-smack-root 2019/11/17 00:14 upstream 6c9594bd d5696d51 .config log report syz ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, jakub.kicinski@netronome.com, jasowang@redhat.com, john.fastabend@gmail.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, virtualization@lists.linux-foundation.org