From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Vyukov Subject: Re: general protection fault in ipt_do_table Date: Mon, 12 Feb 2018 17:31:23 +0100 Message-ID: References: <20180212162013.GA27605@breakpoint.cc> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: syzbot , netdev , netfilter-devel@vger.kernel.org, Pablo Neira Ayuso , syzkaller-bugs@googlegroups.com To: Florian Westphal Return-path: In-Reply-To: <20180212162013.GA27605@breakpoint.cc> Sender: netdev-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org On Mon, Feb 12, 2018 at 5:20 PM, Florian Westphal wrote: > syzbot wrote: >> Hello, >> >> syzbot hit the following crash on net-next commit >> 9a61df9e5f7471fe5be3e02bd0bed726b2761a54 (Sat Feb 10 03:32:41 2018 +0000) >> Merge tag 'kbuild-v4.16-2' of >> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild >> >> So far this crash happened 2 times on net-next, upstream. >> C reproducer is attached. >> syzkaller reproducer is attached. >> Raw console output is attached. >> compiler: gcc (GCC) 7.1.1 20170620 >> .config is attached. > > #sys-dup: general protection fault in ip6t_do_table this should read as: #syz dup: general protection fault in ip6t_do_table > (well, its not strictly a duplicate but ip(6)tables is copypastry > sauce so its bug compatible, the fix I sent for ip6tables report > also fixes ip and arptables.)