syzbot


KASAN: use-after-free Read in __lock_sock
Status: upstream: reported syz repro on 2018/11/17 07:18
Reported-by: syzbot+9276d76e83e3bcde6c99@syzkaller.appspotmail.com
First crash: 630d, last: 145d

Cause bisection: introduced by (bisect log):

commit 8f840e47f190cbe61a96945c13e9551048d42cef
Author: Xin Long <lucien.xin@gmail.com>
Date: Thu Apr 14 07:35:33 2016 +0000

  sctp: add the sctp_diag.c file

Crash: possible deadlock in sctp_for_each_endpoint (log)
Repro: syz .config

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in __lock_sock syz fix 2 281d 281d 1/1 fixed on 2019/12/18 04:11
linux-4.19 KASAN: use-after-free Read in __lock_sock (2) 1 184d 184d 0/1 auto-closed as invalid on 2020/06/01 06:17
linux-4.14 KASAN: use-after-free Read in __lock_sock syz fix 1 55d 175d 0/1 upstream: reported syz repro on 2020/02/11 04:34

Sample crash report:

Crashes (25):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/02/12 01:01 upstream 0a679e13 4d1ab643 .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-selinux-root 2019/11/03 23:47 upstream 56cfd250 c9610487 .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-kasan-gce 2019/10/28 06:15 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-kasan-gce-selinux-root 2018/12/05 18:31 upstream 0072a0c1 ac6c0578 .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 05:45 net-next 314a9cbb e7caca8e .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 2018/12/05 19:10 linux-next 442b8cea ac6c0578 .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-kasan-gce 2020/02/15 02:13 upstream 2019fc96 5d7b90f1 .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-kasan-gce-selinux-root 2019/01/14 21:32 upstream 37198768 ebacf5cb .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-kasan-gce-selinux-root 2018/12/05 17:43 upstream 0072a0c1 ac6c0578 .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-kasan-gce-selinux-root 2018/11/16 20:45 upstream e6a2562f b08ee62a .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-kasan-gce 2018/11/14 05:47 upstream ccda4af0 5f5f6d14 .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-this-kasan-gce 2019/06/16 03:26 net ef7bfa84 442206d7 .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-this-kasan-gce 2019/02/21 00:53 net 9c2054a5 c95f0707 .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-this-kasan-gce 2019/02/12 09:08 net 4d73eaee 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-net-this-kasan-gce 2018/11/14 17:44 net db8ddde7 5f5f6d14 .config log report asmadeus@codewreck.org, davem@davemloft.net, edumazet@google.com, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, tom@quantonium.net, viro@ZenIV.linux.org.uk
ci-upstream-net-kasan-gce 2020/02/24 16:57 net-next 2045e158 d801cb02 .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 2020/02/14 08:06 net-next fdfa3a67 5d7b90f1 .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 19:23 net-next fdfa3a67 18847f55 .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 2019/07/30 19:13 net-next 31cc088a f28bf2a5 .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 2019/07/26 19:11 net-next 31cc088a 3e5d1beb .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 2019/04/15 21:35 net-next e62b2fd5 505ab413 .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 2019/01/21 09:06 net-next 28f9d1a3 fd37a550 .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 2018/12/30 19:21 net-next b71acb0e 9942de5f .config log report asmadeus@codewreck.org, davem@davemloft.net, edumazet@google.com, ktkhai@virtuozzo.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, stephen@networkplumber.org, tom@quantonium.net
ci-upstream-net-kasan-gce 2018/11/14 08:36 net-next 3e536cff 5f5f6d14 .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 2018/11/13 07:01 net-next 261501d9 74dbb806 .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