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: Fri, 12 Aug 2011 14:33:13 +0300 Message-ID: <831uwqyidi.fsf@gnu.org> References: <4E41940C.2010605@cornell.edu> <83zkjhxnty.fsf@gnu.org> <4E444D85.4090907@cornell.edu> <838vqzxgq1.fsf@gnu.org> <4E44FC1B.9010207@cornell.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1313149543 8419 80.91.229.12 (12 Aug 2011 11:45:43 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 12 Aug 2011 11:45:43 +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 Fri Aug 12 13:45:39 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 1QrqBF-0000BZ-RI for geb-bug-gnu-emacs@m.gmane.org; Fri, 12 Aug 2011 13:45:37 +0200 Original-Received: from localhost ([::1]:56482 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QrqBF-0005I0-Bc for geb-bug-gnu-emacs@m.gmane.org; Fri, 12 Aug 2011 07:45:37 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:57629) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QrqBC-00054K-Bv for bug-gnu-emacs@gnu.org; Fri, 12 Aug 2011 07:45:35 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qrq0c-0000zS-8k for bug-gnu-emacs@gnu.org; Fri, 12 Aug 2011 07:34:39 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:35869) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qrq0c-0000zN-7C for bug-gnu-emacs@gnu.org; Fri, 12 Aug 2011 07:34:38 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1Qrq1y-0004XV-Bl; Fri, 12 Aug 2011 07:36:02 -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: Fri, 12 Aug 2011 11:36:02 +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=B9273.131314893017409 (code B ref 9273); Fri, 12 Aug 2011 11:36:02 +0000 Original-Received: (at 9273) by debbugs.gnu.org; 12 Aug 2011 11:35:30 +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 1Qrq1S-0004Wj-B6 for submit@debbugs.gnu.org; Fri, 12 Aug 2011 07:35:30 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Qrq1Q-0004WX-1H for 9273@debbugs.gnu.org; Fri, 12 Aug 2011 07:35:29 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LPT00400BZ3HV00@a-mtaout22.012.net.il> for 9273@debbugs.gnu.org; Fri, 12 Aug 2011 14:33:11 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.228.94.185]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LPT0040MC38BG30@a-mtaout22.012.net.il>; Fri, 12 Aug 2011 14:33:09 +0300 (IDT) In-reply-to: <4E44FC1B.9010207@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: Fri, 12 Aug 2011 07:36:02 -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:50024 Archived-At: > Date: Fri, 12 Aug 2011 06:10:35 -0400 > From: Ken Brown > CC: "9273@debbugs.gnu.org" <9273@debbugs.gnu.org> > > 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; > } delete_terminal doesn't call realloc, it just calls xfree. Do the problems with the Cygwin build go away if the call to delete_terminal is commented out? That is, does the infloop still happen or not?