syzbot


WARNING in __nf_unregister_net_hook (2)
Status: upstream: reported C repro on 2020/07/14 03:56
Reported-by: syzbot+2570f2c036e3da5db176@syzkaller.appspotmail.com
Fix commit: 1e9451cb netfilter: nf_tables: fix nat hook table deletion
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 ci-upstream-kmsan-gce-386]
First crash: 30d, last: 30d

Cause bisection: introduced by (bisect log):

commit db8ab38880e06dedbfc879e75f5b0ddc495f4eb6
Author: Florian Westphal <fw@strlen.de>
Date: Thu Feb 28 11:02:52 2019 +0000

  netfilter: nf_tables: merge ipv4 and ipv6 nat chain types

Crash: WARNING in __nf_unregister_net_hook (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream WARNING in __nf_unregister_net_hook 1 110d 105d 0/17 auto-closed as invalid on 2020/06/22 17:41

Sample crash report:

Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/07/12 14:06 upstream 0aea6d5c 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-root 2020/07/12 11:25 upstream 0aea6d5c 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce 2020/07/12 11:00 upstream 0aea6d5c 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-selinux-root 2020/07/12 10:50 upstream 0aea6d5c 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-kasan-gce-386 2020/07/12 12:58 upstream 0aea6d5c 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-this-kasan-gce 2020/07/12 11:33 net 1df0d896 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-kasan-gce 2020/07/12 10:08 net-next 71930d61 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.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 2020/07/12 17:10 linux-next d31958b3 115e1930 .config log report syz C coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org
ci-upstream-net-kasan-gce 2020/07/12 09:57 net-next 71930d61 115e1930 .config log report coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org