From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: Re: kernel panic in icmp_error Date: Thu, 4 Oct 2012 10:55:57 +0200 Message-ID: <20121004085557.GA27566@1984> References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netfilter-devel@vger.kernel.org To: Miguel Alejandro =?iso-8859-1?Q?Gonz=E1lez?= Return-path: Received: from mail.us.es ([193.147.175.20]:45701 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965535Ab2JDI4G (ORCPT ); Thu, 4 Oct 2012 04:56:06 -0400 Content-Disposition: inline In-Reply-To: Sender: netfilter-devel-owner@vger.kernel.org List-ID: On Wed, Oct 03, 2012 at 05:22:53PM -0500, Miguel Alejandro Gonz=E1lez w= rote: > Hello >=20 > I'm making a Netfilter module that depends on conntrack, it has come > to my attention that a kernel panic occurs when a ICMP error packet > embedded inside another ICMP error packet in the function icmp_error(= ) > in /ipv4/netfilter/nf_conntrack_proto_icmp.c Can it be due to malformed packet? Do you have this patch in your kerne= l? commit 07153c6ec074257ade76a461429b567cff2b3a1e Author: Jozsef Kadlecsik Date: Tue Apr 3 22:02:01 2012 +0200 netfilter: nf_ct_ipv4: packets with wrong ihl are invalid > Is the function not prepared to receive this kind of packets or is > this a bug? Will a kernel panic also happen in icmpv6_error() in > ipv6/netfilter/nf_conntrack_proto_icmpv6.c?? I need more information, please post the kernel backtrace. -- To unsubscribe from this list: send the line "unsubscribe netfilter-dev= el" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html