From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Markus Triska Newsgroups: gmane.emacs.bugs,gmane.emacs.pretest.bugs Subject: bug#2099: 23.0.60; `mark_object' with larger nested objects crashes Emacs Date: Thu, 29 Jan 2009 00:06:45 +0100 (CET) Message-ID: <20090128230645.07F1DC468CC@mt-computer.local> Reply-To: Markus Triska , 2099@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1233185068 32388 80.91.229.12 (28 Jan 2009 23:24:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 28 Jan 2009 23:24:28 +0000 (UTC) To: emacs-pretest-bug@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 29 00:25:41 2009 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LSJmT-0002g3-5u for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 Jan 2009 00:25:14 +0100 Original-Received: from localhost ([127.0.0.1]:38889 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LSJlA-0007LH-RD for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Jan 2009 18:23:52 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LSJku-00076z-Ub for bug-gnu-emacs@gnu.org; Wed, 28 Jan 2009 18:23:36 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LSJkq-00075Y-QT for bug-gnu-emacs@gnu.org; Wed, 28 Jan 2009 18:23:36 -0500 Original-Received: from [199.232.76.173] (port=41712 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LSJkq-00075P-Mu for bug-gnu-emacs@gnu.org; Wed, 28 Jan 2009 18:23:32 -0500 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:44919) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LSJkq-0005cQ-8L for bug-gnu-emacs@gnu.org; Wed, 28 Jan 2009 18:23:32 -0500 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id n0SNNU26017244; Wed, 28 Jan 2009 15:23:30 -0800 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.13.8/8.13.8/Submit) id n0SNF3eZ014923; Wed, 28 Jan 2009 15:15:03 -0800 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Markus Triska Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Wed, 28 Jan 2009 23:15:02 +0000 Resent-Message-ID: Resent-Sender: owner@emacsbugs.donarmstrong.com X-Emacs-PR-Message: report 2099 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by submit@emacsbugs.donarmstrong.com id=B.123318402013670 (code B ref -1); Wed, 28 Jan 2009 23:15:02 +0000 Original-Received: (at submit) by emacsbugs.donarmstrong.com; 28 Jan 2009 23:07:00 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id n0SN6umw013664 for ; Wed, 28 Jan 2009 15:06:57 -0800 Original-Received: from mail.gnu.org ([199.232.76.166]:60413 helo=mx10.gnu.org) by fencepost.gnu.org with esmtp (Exim 4.67) (envelope-from ) id 1LSJT9-0004bO-T8 for emacs-pretest-bug@gnu.org; Wed, 28 Jan 2009 18:05:15 -0500 Original-Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1LSJUi-0004YA-SW for emacs-pretest-bug@gnu.org; Wed, 28 Jan 2009 18:06:54 -0500 Original-Received: from mail.gmx.net ([213.165.64.20]:34129) by monty-python.gnu.org with smtp (Exim 4.60) (envelope-from ) id 1LSJUi-0004Xq-CE for emacs-pretest-bug@gnu.org; Wed, 28 Jan 2009 18:06:52 -0500 Original-Received: (qmail invoked by alias); 28 Jan 2009 23:06:49 -0000 Original-Received: from chello062178240212.3.14.tuwien.teleweb.at (EHLO mt-computer.local) [62.178.240.212] by mail.gmx.net (mp047) with SMTP; 29 Jan 2009 00:06:49 +0100 X-Authenticated: #4064391 X-Provags-ID: V01U2FsdGVkX1+9zAR6PLO9nBfIFn3A45ZM/7qP/ylo30772Lq5iE 3xWAVH7hH0+DVf Original-Received: by mt-computer.local (Postfix, from userid 502) id 07F1DC468CC; Thu, 29 Jan 2009 00:06:45 +0100 (CET) X-Y-GMX-Trusted: 0 X-FuHaFi: 0.5 X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Resent-Date: Wed, 28 Jan 2009 18:23:36 -0500 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:24694 gmane.emacs.pretest.bugs:23802 Archived-At: When you do: $ emacs -Q --eval "(let (v) (while t (setq v (cons v v))))" then Emacs crashes with: Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0xbf7ffffc 0x0013bc1a in mark_object (arg=40166541) at alloc.c:5372 (gdb) bt #0 0x0013bc1a in mark_object (arg=40166541) at alloc.c:5372 #1 0x0013bdf8 in mark_object (arg=40166549) at alloc.c:5655 #2 0x0013bdf8 in mark_object (arg=40166557) at alloc.c:5655 #3 0x0013bdf8 in mark_object (arg=40166565) at alloc.c:5655 #4 0x0013bdf8 in mark_object (arg=40166573) at alloc.c:5655 #5 0x0013bdf8 in mark_object (arg=40166581) at alloc.c:5655 #6 0x0013bdf8 in mark_object (arg=40166589) at alloc.c:5655 ... Throwing an error or making GC stackless seems much preferable here. In GNU Emacs 23.0.60.1 (i386-apple-darwin8.11.1, GTK+ Version 2.12.9) of 2009-01-28 on mt-computer.local Windowing system distributor `The XFree86 Project, Inc', version 11.0.40400000 Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_GB.UTF-8 value of $XMODIFIERS: nil locale-coding-system: nil default-enable-multibyte-characters: t