From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Williamson Date: Wed, 09 Jun 2004 20:29:36 +0000 Subject: Re: Unaligned accesses in net/ipv4/netfilter/arp_tables.c:184 Message-Id: <1086812976.4288.50.camel@tdi> List-Id: References: <1086805676.4288.16.camel@tdi> <20040609130001.37a88da1.davem@redhat.com> In-Reply-To: <20040609130001.37a88da1.davem@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "David S. Miller" Cc: clameter@sgi.com, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org On Wed, 2004-06-09 at 14:00, David S. Miller wrote: > On Wed, 09 Jun 2004 12:27:56 -0600 > Alex Williamson wrote: > > > http://marc.theaimsgroup.com/?l=netfilter-devel&m7814727803971&w=2 > > How can you legitimately change this structure? It's an exported > userland interface, if you change it all the applications will > stop working. > Which is probably why the patch never went anywhere. There's certainly an alignment issue in the usage of the struct arpt_arp in the code snippet Christoph pointed out. Sounds like it'd be better to fix the usage than the structure alignment. Alex