syzbot


KASAN: slab-out-of-bounds Write in bitmap_ip_del
Status: fixed on 2020/02/22 22:27
Reported-by: syzbot+24d0577de55b8b8f6975@syzkaller.appspotmail.com
Fix commit: 32c72165 netfilter: ipset: use bitmap infrastructure completely
First crash: 250d, last: 248d

Cause bisection: introduced by (bisect log):

commit 0f93242d96ff5a04fe02c4978e8dddb014235971
Author: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Tue Jul 9 02:53:08 2019 +0000

  nfp: tls: ignore queue limits for delete commands

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

Fix bisection: fixed by (bisect log):

commit 32c72165dbd0e246e69d16a3ad348a4851afd415
Author: Kadlecsik Jรณzsef <kadlec@blackhole.kfki.hu>
Date: Sun Jan 19 21:06:49 2020 +0000

  netfilter: ipset: use bitmap infrastructure completely


Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-selinux-root 2020/01/22 05:27 upstream d96d875e 8eda0b95 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, info@metux.net, jeremy@azazel.net, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de
ci-upstream-kasan-gce-root 2020/01/21 23:13 upstream d96d875e 8eda0b95 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, gregkh@linuxfoundation.org, jeremy@azazel.net, kadlec@netfilter.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de
ci-upstream-kasan-gce 2020/01/21 01:38 upstream d96d875e d2557fb5 .config log report syz C allison@lohutok.net, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, jeremy@azazel.net, kadlec@netfilter.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de
ci-upstream-kasan-gce-smack-root 2020/01/20 21:55 upstream def9d278 d2557fb5 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, jeremy@azazel.net, kadlec@netfilter.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de
ci-upstream-kasan-gce-386 2020/01/20 17:39 upstream def9d278 d2557fb5 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, jeremy@azazel.net, kadlec@netfilter.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de
ci-upstream-net-this-kasan-gce 2020/01/20 06:37 net 09d4f10a 0342f8c7 .config log report syz C allison@lohutok.net, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, gregkh@linuxfoundation.org, jeremy@azazel.net, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de
ci-upstream-net-kasan-gce 2020/01/20 06:25 net-next 7f013ede 0342f8c7 .config log report syz C allison@lohutok.net, coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, jeremy@azazel.net, kadlec@netfilter.org, kstewart@linuxfoundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, tglx@linutronix.de