syzbot


[upstream] KASAN: use-after-free Read in ipv6_gso_pull_exthdrs
Status: upstream: reported C repro on 2018/06/18 13:31
Reported-by: syzbot+7b9ed9872dab8c32305d@syzkaller.appspotmail.com
Commits: nsh: set mac len based on inner packet
Patched on: [ci-upstream-bpf-kasan-gce ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-this-kasan-gce], missing on: [ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-net-kasan-gce]
First: 36d, last: 11h34m

Sample crash report:

All crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-net-this-kasan-gce 2018/07/06 17:51 net 70ba5b6db96ff7324b8cfc87e0d0383cf59c9677 9636bc933e06475902e46750d5f5198fb9c2ff7a .config log report syz C ["davem@davemloft.net" "kuznet@ms2.inr.ac.ru" "linux-kernel@vger.kernel.org" "netdev@vger.kernel.org" "yoshfuji@linux-ipv6.org"]
ci-upstream-net-this-kasan-gce 2018/07/06 15:29 net 70ba5b6db96ff7324b8cfc87e0d0383cf59c9677 9636bc933e06475902e46750d5f5198fb9c2ff7a .config log report ["davem@davemloft.net" "kuznet@ms2.inr.ac.ru" "linux-kernel@vger.kernel.org" "netdev@vger.kernel.org" "yoshfuji@linux-ipv6.org"]
ci-upstream-net-kasan-gce 2018/06/14 12:16 net-next f0dc7f9c6dd99891611fca5849cbc4c6965b690e 27c5f59f504f562333e3cd5e715fea5cb69c396e .config log report ["davem@davemloft.net" "kuznet@ms2.inr.ac.ru" "linux-kernel@vger.kernel.org" "netdev@vger.kernel.org" "yoshfuji@linux-ipv6.org"]
ci-upstream-bpf-next-kasan-gce 2018/07/20 14:44 bpf-next 8ae71e76cf1f7b8de5c75356a00840e54c93e7a5 49f3583951e3febc6a93b6e3b4cd213649a6b3c9 .config log report ["davem@davemloft.net" "kuznet@ms2.inr.ac.ru" "linux-kernel@vger.kernel.org" "netdev@vger.kernel.org" "yoshfuji@linux-ipv6.org"]
ci-upstream-linux-next-kasan-gce-root 2018/07/06 17:22 linux-next 526674536360a4c508e84f67314c2028e45e1bf2 9636bc933e06475902e46750d5f5198fb9c2ff7a .config log report ["davem@davemloft.net" "kuznet@ms2.inr.ac.ru" "linux-kernel@vger.kernel.org" "netdev@vger.kernel.org" "yoshfuji@linux-ipv6.org"]