X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Message-ID: <4A29B510.3020601@gmail.com> Date: Sat, 06 Jun 2009 01:15:12 +0100 From: Dave Korn User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: ASLR sometimes stops working on Vista with 1.7? [was: Re: Cygwin 1.7 release (was ...)] References: <1244131746.30024.1318796263@webmail.messagingengine.com> <4A282063.9030804@users.sourceforge.net> <4A286B99.6020702@users.sourceforge.net> <20090605120936.GD23519@calimero.vinschen.de> <4A293237.2010102@cwilson.fastmail.fm> <20090605163510.GF23519@calimero.vinschen.de> <4A296778.2080507@cwilson.fastmail.fm> <20090605213012.GG23519@calimero.vinschen.de> In-Reply-To: <20090605213012.GG23519@calimero.vinschen.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Corinna Vinschen wrote: > Not good. I'm puzzled where this allocated 68K region is exactly coming > from, but it really looks like something which occurs in or near dlopen. > > I'm going to debug this further tomorrow. I guess that goes without > saying, but I'd be glad for any help. I'll just suggest that these problems can often be debugged more easily in windbg than gdb, what with gflags/appverifier heap tracking, !vad, !heap, and related commands. The gflags FLG_HEAP_ENABLE_TAG_BY_DLL might come in handy here. cheers, DaveK -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/