From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#9273: 23.3; malloc initialization should (sometimes) happen at runtime Date: Sat, 13 Aug 2011 11:05:20 +0300 Message-ID: <83fwl5wxbz.fsf@gnu.org> References: <4E41940C.2010605@cornell.edu> <83zkjhxnty.fsf@gnu.org> <4E444D85.4090907@cornell.edu> <838vqzxgq1.fsf@gnu.org> <4E44FC1B.9010207@cornell.edu> <831uwqyidi.fsf@gnu.org> <4E451A1F.4060409@cornell.edu> <4E458BF4.9080108@cornell.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1313222743 14258 80.91.229.12 (13 Aug 2011 08:05:43 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sat, 13 Aug 2011 08:05:43 +0000 (UTC) Cc: 9273@debbugs.gnu.org To: Ken Brown Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Aug 13 10:05:39 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Qs9Dv-0000iM-Ao for geb-bug-gnu-emacs@m.gmane.org; Sat, 13 Aug 2011 10:05:39 +0200 Original-Received: from localhost ([::1]:33241 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qs9Du-0003l9-Ns for geb-bug-gnu-emacs@m.gmane.org; Sat, 13 Aug 2011 04:05:38 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:33644) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qs9Dq-0003ky-Th for bug-gnu-emacs@gnu.org; Sat, 13 Aug 2011 04:05:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qs9Dp-0004Yd-PJ for bug-gnu-emacs@gnu.org; Sat, 13 Aug 2011 04:05:34 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:33833) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qs9Dp-0004YV-H3 for bug-gnu-emacs@gnu.org; Sat, 13 Aug 2011 04:05:33 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1Qs9FG-0007i0-Ci; Sat, 13 Aug 2011 04:07:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 13 Aug 2011 08:07:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 9273 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 9273-submit@debbugs.gnu.org id=B9273.131322281029613 (code B ref 9273); Sat, 13 Aug 2011 08:07:02 +0000 Original-Received: (at 9273) by debbugs.gnu.org; 13 Aug 2011 08:06:50 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Qs9F4-0007ha-89 for submit@debbugs.gnu.org; Sat, 13 Aug 2011 04:06:50 -0400 Original-Received: from mtaout21.012.net.il ([80.179.55.169]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Qs9F1-0007hO-Ju for 9273@debbugs.gnu.org; Sat, 13 Aug 2011 04:06:49 -0400 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0LPU00B00WPXNP00@a-mtaout21.012.net.il> for 9273@debbugs.gnu.org; Sat, 13 Aug 2011 11:05:16 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.229.155.132]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LPU00BAFX4RMO40@a-mtaout21.012.net.il>; Sat, 13 Aug 2011 11:05:16 +0300 (IDT) In-reply-to: <4E458BF4.9080108@cornell.edu> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Sat, 13 Aug 2011 04:07:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 1) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:50043 Archived-At: > Date: Fri, 12 Aug 2011 16:24:20 -0400 > From: Ken Brown > CC: "9273@debbugs.gnu.org" <9273@debbugs.gnu.org> > > Program received signal SIGSEGV, Segmentation fault. > 0x006368f5 in _realloc_internal_nolock (ptr=0x897040, size=28) > at gmalloc.c:1394 > 1394 type = _heapinfo[block].busy.type; > (gdb) p block > $1 = 4294838425 I'm confused: since you patched unexecw.c to set __malloc_initialized to zero, the dumped Emacs should have called malloc_initialize_1, which should have allocated a new copy of _heapinfo, that was supposed to be consistent with the current heap. Why isn't that working? why `block' still gets a value that is relative to the "old" _heapinfo?