syzbot


KASAN: use-after-free Read in tipc_named_reinit
Status: upstream: reported on 2020/06/10 05:57
Reported-by: syzbot+e9cc557752ab126c1b99@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: 108d, last: 51d
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-54 KASAN: use-after-free Read in tipc_named_reinit syz 7 51d 231d 0/1 upstream: reported syz repro on 2020/02/06 09:29

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/08/03 18:00 upstream bcf87687 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
ci-upstream-kasan-gce-root 2020/07/26 17:21 upstream 04300d66 51265195 .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
ci-upstream-net-this-kasan-gce 2020/07/26 20:49 net 04300d66 51265195 .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
ci-upstream-net-this-kasan-gce 2020/07/16 13:47 net 841eb401 f3bec699 .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
ci-upstream-net-kasan-gce 2020/07/20 14:16 net-next 7dce80c2 4285ffa3 .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
ci-upstream-net-kasan-gce 2020/06/07 14:19 net-next cb8e59cc 2c2b926c .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