From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ken Brown Newsgroups: gmane.emacs.bugs Subject: bug#9273: 23.3; malloc initialization should (sometimes) happen at runtime Date: Fri, 12 Aug 2011 06:10:35 -0400 Message-ID: <4E44FC1B.9010207@cornell.edu> References: <4E41940C.2010605@cornell.edu> <83zkjhxnty.fsf@gnu.org> <4E444D85.4090907@cornell.edu> <838vqzxgq1.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1313143910 4924 80.91.229.12 (12 Aug 2011 10:11:50 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 12 Aug 2011 10:11:50 +0000 (UTC) Cc: "9273@debbugs.gnu.org" <9273@debbugs.gnu.org> To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Aug 12 12:11:46 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 1QroiL-0002zt-RN for geb-bug-gnu-emacs@m.gmane.org; Fri, 12 Aug 2011 12:11:42 +0200 Original-Received: from localhost ([::1]:44948 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QroiL-0007Xw-34 for geb-bug-gnu-emacs@m.gmane.org; Fri, 12 Aug 2011 06:11:41 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:45121) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QroiJ-0007Xg-4Y for bug-gnu-emacs@gnu.org; Fri, 12 Aug 2011 06:11:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QroiI-0004GS-9C for bug-gnu-emacs@gnu.org; Fri, 12 Aug 2011 06:11:39 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:56054) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QroiI-0004GO-6R for bug-gnu-emacs@gnu.org; Fri, 12 Aug 2011 06:11:38 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1Qroje-0001sQ-9j; Fri, 12 Aug 2011 06:13:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Ken Brown Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 12 Aug 2011 10:13:02 +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=B9273.13131439397163 (code B ref 9273); Fri, 12 Aug 2011 10:13:02 +0000 Original-Received: (at 9273) by debbugs.gnu.org; 12 Aug 2011 10:12:19 +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 1Qroix-0001rT-5R for submit@debbugs.gnu.org; Fri, 12 Aug 2011 06:12:19 -0400 Original-Received: from granite1.mail.cornell.edu ([128.253.83.141] helo=authusersmtp.mail.cornell.edu) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Qroiv-0001rL-16 for 9273@debbugs.gnu.org; Fri, 12 Aug 2011 06:12:18 -0400 Original-Received: from [192.168.1.4] (cpe-67-249-194-47.twcny.res.rr.com [67.249.194.47]) (authenticated bits=0) by authusersmtp.mail.cornell.edu (8.14.4/8.12.10) with ESMTP id p7CAApOG022438 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 12 Aug 2011 06:10:52 -0400 (EDT) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:5.0) Gecko/20110624 Thunderbird/5.0 In-Reply-To: <838vqzxgq1.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Fri, 12 Aug 2011 06:13:02 -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:50022 Archived-At: On 8/12/2011 2:54 AM, Eli Zaretskii wrote: >> Date: Thu, 11 Aug 2011 17:45:41 -0400 >> From: Ken Brown >> CC: "9273@debbugs.gnu.org"<9273@debbugs.gnu.org> >> >> The problem was that realloc got called on memory that had been >> allocated prior to dumping, and the malloc information that was used >> then had disappeared. > > Can you show the code which called realloc on that memory? I'm > surprised that Emacs does that, but perhaps I'm missing something. Here's the code that I stumbled across (as a result of a SEGV). I haven't checked to see if there are other examples. From terminal.c: /* Deletes the bootstrap terminal device. Called through delete_terminal_hook. */ static void delete_initial_terminal (struct terminal *terminal) { if (terminal != initial_terminal) abort (); delete_terminal (terminal); initial_terminal = NULL; }