Return-path: Received: from buzzloop.caiaq.de ([212.112.241.133]:40913 "EHLO buzzloop.caiaq.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753800AbZLOKhW (ORCPT ); Tue, 15 Dec 2009 05:37:22 -0500 Date: Tue, 15 Dec 2009 18:37:14 +0800 From: Daniel Mack To: Johannes Berg Cc: David Miller , linux-kernel@vger.kernel.org, dcbw@redhat.com, m.hirsch@raumfeld.com, netdev@vger.kernel.org, libertas-dev@lists.infradead.org, stable@kernel.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH] wireless: wext: allocate space for NULL-termination for 32byte SSIDs Message-ID: <20091215103714.GK28375@buzzloop.caiaq.de> References: <1260650850-16163-1-git-send-email-daniel@caiaq.de> <20091215.014308.77044043.davem@davemloft.net> <1260871411.3692.4.camel@johannes.local> <1260871634.3692.6.camel@johannes.local> <20091215102035.GJ28375@buzzloop.caiaq.de> <1260873083.3692.8.camel@johannes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1260873083.3692.8.camel@johannes.local> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Dec 15, 2009 at 11:31:23AM +0100, Johannes Berg wrote: > On Tue, 2009-12-15 at 18:20 +0800, Daniel Mack wrote: > > > > drivers/net/wireless/libertas$ grep lbs_deb_ * | grep ssid|grep '%s' > > > assoc.c: lbs_deb_join("current SSID '%s', ssid length %u\n", > > > assoc.c: lbs_deb_join("requested ssid '%s', ssid length %u\n", > > > assoc.c: lbs_deb_join("ADHOC_START: SSID '%s', ssid length %u\n", > > > scan.c: lbs_deb_wext("set_scan, essid '%s'\n", > > > > Those macros are stubbed out as nops in my setup, so they can > > unfortunately not be the reason. I'll dig deeper :) > > Well, the stack trace ought to help. It unfortunately doesn't. The site that causes the problem does not crash itself. It just corrupts some memory, and the actual crash happens much later, which makes it so evil. Daniel