syzbot


KASAN: use-after-free Read in tipc_nl_publ_dump (2)
Status: upstream: reported C repro on 2020/06/29 16:11
Reported-by: syzbot+6db30c775c0fb130e335@syzkaller.appspotmail.com
Fix commit: genetlink: get rid of family->attrbuf
Patched on: [ci-upstream-bpf-kasan-gce ci-upstream-linux-next-kasan-gce-root ci-upstream-net-this-kasan-gce], missing on: [ci-qemu-upstream ci-qemu-upstream-386 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-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 5d19h, last: 5d16h
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream KASAN: use-after-free Read in tipc_nl_publ_dump C 2 271d 271d 16/17 fixed on 2019/12/13 00:31

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/06/29 04:18 upstream 4e99b321 a2cdad9d .config log report syz C 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-selinux-root 2020/06/29 03:34 upstream 4e99b321 a2cdad9d .config log report syz C 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 2020/06/29 03:33 upstream 4e99b321 a2cdad9d .config log report syz C 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-smack-root 2020/06/29 03:33 upstream 4e99b321 a2cdad9d .config log report syz C 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-386 2020/06/29 03:41 upstream 4e99b321 a2cdad9d .config log report syz C 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 2020/06/29 04:48 net 0574e200 a2cdad9d .config log report syz C 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 2020/06/29 03:09 net-next b08866f4 a2cdad9d .config log report syz C 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-linux-next-kasan-gce-root 2020/06/29 03:36 linux-next 36e3135d a2cdad9d .config log report syz C 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 2020/06/29 02:37 net-next b08866f4 a2cdad9d .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