Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758037AbYLPUD3 (ORCPT ); Tue, 16 Dec 2008 15:03:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751996AbYLPUDR (ORCPT ); Tue, 16 Dec 2008 15:03:17 -0500 Received: from sovereign.computergmbh.de ([85.214.69.204]:57086 "EHLO sovereign.computergmbh.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751786AbYLPUDQ (ORCPT ); Tue, 16 Dec 2008 15:03:16 -0500 Date: Tue, 16 Dec 2008 21:03:15 +0100 (CET) From: Jan Engelhardt To: Jozsef Kadlecsik cc: Dave Jones , David Miller , ajax@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, Patrick McHardy Subject: Re: [PATCH] net: Remove a noisy printk In-Reply-To: Message-ID: References: <1229033625-30825-1-git-send-email-ajax@redhat.com> <20081211.203243.124017657.davem@davemloft.net> <20081214200353.GA2994@redhat.com> User-Agent: Alpine 1.10 (LNX 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1049 Lines: 26 On Tuesday 2008-12-16 20:59, Jozsef Kadlecsik wrote: > >The packets in question are shorter than the IP header. How would those be >delivered to the host? On the LAN it might be possible to forge such >packets with proper HW address and be delivered. But wouldn't the network >card or the stack itself throw away the packets?? Yes. >> The message is also utterly useless. What kind of action would you take >> to a few gigabytes of "ipt_hook: happy cracking.\n" ? >> There's no IP address logged, or any other useful information. > >As the packet is shorter than the IP header, what could be logged, besides >the fact that something worth to investigate is happening? Find the offending process? printk current->pid. 'current' should be available in the output path, but don't quote me on that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/