syzbot


KASAN: use-after-free Read in sctp_sock_dump
Status: upstream: reported syz repro on 2019/10/28 15:32
Reported-by: syzbot+e5b57b8780297657b25b@syzkaller.appspotmail.com
First crash: 282d, last: 127d

Cause bisection: introduced by (bisect log):

commit 61086f391044fd587af9d70a9b8f6f800dd474ba
Author: Vlad Buslov <vladbu@mellanox.com>
Date: Fri Aug 2 19:21:56 2019 +0000

  net/mlx5e: Protect encap hash table with mutex

Crash: KASAN: use-after-free Read in sctp_hash_cmp (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in sctp_sock_dump syz 1 27d 177d 0/1 upstream: reported syz repro on 2020/02/10 11:26

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2020/03/30 23:10 upstream 7111951b c8d1cc20 .config log report syz davem@davemloft.net, kuba@kernel.org, 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 2019/10/28 08:16 upstream d6d5df1d 25bb509e .config log report syz 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 2020/02/10 07:20 net-next fdfa3a67 35f5e45e .config log report syz davem@davemloft.net, kuba@kernel.org, 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 2019/11/20 11:54 linux-next 5d1131b4 f4b7ed07 .config log report syz 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 2020/03/12 04:56 net-next 314a9cbb e7caca8e .config log report davem@davemloft.net, kuba@kernel.org, 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 2020/02/10 06:04 net-next fdfa3a67 35f5e45e .config log report davem@davemloft.net, kuba@kernel.org, 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 2020/02/07 00:19 net-next 33b40134 c91cbc9d .config log report davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, vyasevich@gmail.com