syzbot


general protection fault in xt_rateest_tg_checkentry
Status: upstream: reported C repro on 2019/12/26 21:15
Reported-by: syzbot+d7358a458d8a81aee898@syzkaller.appspotmail.com
Fix commit: 1b789577 netfilter: arp_tables: init netns pointer in xt_tgchk_param struct
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 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 ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-kmsan-gce]
First crash: 52d, last: 42d

Cause bisection: introduced by (bisect log):

commit 3427b2ab63faccafe774ea997fc2da7faf690c5a
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Fri Mar 2 02:58:38 2018 +0000

  netfilter: make xt_rateest hash table per net

Crash: general protection fault in xt_rateest_tg_checkentry (log)
Repro: C syz .config
duplicates (1):
Title Repro Bisected Count Last Reported Patched Status
general protection fault in nf_ct_netns_do_get C cause 7 39d 51d 0/16 closed as dup on 2020/01/07 13:55
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
linux-4.19 general protection fault in xt_rateest_tg_checkentry C fix 12 36d 52d 1/1 fixed on 2020/02/11 06:56

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/01/06 07:32 upstream c79f46a2 438e1227 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-selinux-root 2020/01/06 05:30 upstream c79f46a2 438e1227 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce 2020/01/06 05:29 upstream c79f46a2 438e1227 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce 2019/12/26 19:16 upstream 46cf053e be5c2c81 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-root 2019/12/26 17:48 upstream 46cf053e be5c2c81 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-selinux-root 2019/12/26 17:33 upstream 46cf053e be5c2c81 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-this-kasan-gce 2020/01/05 21:07 net b54ef37b d646e21f .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-this-kasan-gce 2019/12/26 17:48 net 095e90e0 be5c2c81 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-kasan-gce 2020/01/05 21:01 net-next 4460985f d646e21f .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-kasan-gce 2019/12/26 17:48 net-next 9f6cff99 be5c2c81 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-linux-next-kasan-gce-root 2020/01/02 10:29 linux-next 7ddd09fc 25a0186e .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-selinux-root 2019/12/26 17:16 upstream 46cf053e be5c2c81 .config log report coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org