syzbot


[upstream] KASAN: invalid-free in sctp_stream_free
Status: upstream: reported C repro on 2019/02/04 16:33
Reported-by: syzbot+58e480e7b28f2d890bfd@syzkaller.appspotmail.com
Fix commit: af98c5a7 sctp: set stream ext to NULL after freeing it in sctp_stream_outq_migrate
Patched on: [ci-upstream-bpf-kasan-gce 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-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce], missing on: [ci-upstream-kmsan-gce]
First crash: 15d, last: 7d14h

Sample crash report:

All crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/02/04 00:35 linux-next dc4c8999 c198d5dd .config log report syz C davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/02/12 05:17 linux-next d4104460 65a0d619 .config log report davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/02/12 05:12 linux-next d4104460 65a0d619 .config log report davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/02/12 05:04 linux-next d4104460 65a0d619 .config log report davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/02/04 00:11 linux-next dc4c8999 c198d5dd .config log report davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com