Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:59106 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753022AbYBUGfq (ORCPT ); Thu, 21 Feb 2008 01:35:46 -0500 Date: Wed, 20 Feb 2008 22:36:22 -0800 (PST) Message-Id: <20080220.223622.148453409.davem@davemloft.net> (sfid-20080221_063549_867023_D568E25B) To: johannes@sipsolutions.net Cc: reinette.chatre@intel.com, linux-wireless@vger.kernel.org Subject: Re: sending ARP triggers BUG From: David Miller In-Reply-To: <1203468968.10983.13.camel@johannes.berg> References: <1203468968.10983.13.camel@johannes.berg> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Johannes Berg Date: Wed, 20 Feb 2008 01:56:08 +0100 > [ 4340.665679] SKB BUG: Invalid truesize (240) len=73, sizeof(sk_buff)=176 > > Anybody have an idea how to debug that? It looks like 'len' is one too > large, but I've also seen messages where it was two too large or one to > small. The BUG occurs when you use paged SKBs, it's different from the other problem the person you are replying to is seeing. The easiest thing to do to look for potentially problematic areas is to find code that modifies skb->data_len but doesn't make similar adjustments to skb->truesize.