From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8892 invoked by alias); 26 Jul 2012 08:35:42 -0000 Received: (qmail 8646 invoked by uid 22791); 26 Jul 2012 08:35:41 -0000 X-SWARE-Spam-Status: No, hits=-6.3 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 26 Jul 2012 08:35:22 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q6Q8ZLWI025768 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 26 Jul 2012 04:35:21 -0400 Received: from host2.jankratochvil.net (ovpn-116-33.ams2.redhat.com [10.36.116.33]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q6Q8ZH6h012820 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 26 Jul 2012 04:35:20 -0400 Date: Thu, 26 Jul 2012 08:35:00 -0000 From: Jan Kratochvil To: Andrew Burgess Cc: "gdb-patches@sourceware.org" , Tom Tromey Subject: Re: Re-evaluate floating varobj as part of varobj_invalidate. Message-ID: <20120726083511.GA16614@host2.jankratochvil.net> References: <501025E0.30708@broadcom.com> <87vchbhgo9.fsf@fleche.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87vchbhgo9.fsf@fleche.redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2012-07/txt/msg00604.txt.bz2 On Wed, 25 Jul 2012 19:52:22 +0200, Tom Tromey wrote: > >>>>> "Andrew" == Andrew Burgess writes: > > Andrew> I have a bug & patch, but no great way to reproduce the issue as > Andrew> it's a use of pointer after free issue, > > I suspect the recent-ish change to use -lmcheck by default will cause us > to catch this bug in the test suite, at least on glibc-using systems. Yes, FSF GDB HEAD crashes for me with the posted reproducer. Could you write this simple testcase? Thanks, Jan