syzbot


general protection fault in sctp_sched_rr_dequeue
Status: fixed on 2019/03/28 12:00
Reported-by: syzbot+4c9934f20522c0efd657@syzkaller.appspotmail.com
Fix commit: 2e990dfd sctp: remove sched init from sctp_stream_init
First crash: 572d, last: 562d

Cause bisection: introduced by (bisect log):

commit 7efba10d6bd22030fb5931e50bf97496f932f00e
Author: Xin Long <lucien.xin@gmail.com>
Date: Mon Jan 28 07:08:46 2019 +0000

  sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER sockopt

Crash: general protection fault in sctp_sched_rr_dequeue (log)
Repro: C syz .config

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2019/03/06 01:15 upstream 63bdf428 16559f86 .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-kasan-gce-selinux-root 2019/03/06 00:50 upstream 63bdf428 16559f86 .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-kasan-gce 2019/03/06 00:50 upstream 63bdf428 16559f86 .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-kasan-gce-smack-root 2019/03/06 00:49 upstream 63bdf428 16559f86 .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-kasan-gce-386 2019/03/06 00:51 upstream 63bdf428 16559f86 .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-net-this-kasan-gce 2019/03/06 00:49 net d9862cfb 16559f86 .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-net-kasan-gce 2019/03/06 00:28 net-next d9862cfb 16559f86 .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 2019/03/06 00:50 linux-next baf5a9d1 16559f86 .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-net-kasan-gce 2019/03/06 22:33 net-next d9862cfb 18215b8d .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-net-kasan-gce 2019/03/06 00:02 net-next d9862cfb 16559f86 .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 2019/03/16 02:20 linux-next cf08baa2 bab43553 .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