From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Mishin Subject: [NET][IA64] Unaligned access in sk_run_filter Date: Mon, 20 Feb 2006 18:28:28 +0300 Message-ID: <200602201828.29098.dim@openvz.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, netfilter-devel@lists.netfilter.org, rusty@rustcorp.com.au, devel@openvz.org Return-path: To: "David S. Miller" Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org Hello, We have an issue on ia64 box. It is easy triggerable 'kernel unaligned access' in sk_run_filter: ptr = load_pointer(skb, k, 4, &tmp); if (ptr != NULL) { A = ntohl(*(u32 *)ptr); << here continue; } due to 'k' is coming from userspace it can be easy triggered, e.g.: [root@node1 ~]# tcpdump -i eth0 'ip[1:2]=0' Could you advise how to fix this? -- Thanks, Dmitry.