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#17771: 24.3.91; SIGSEGV in cleanup_vector Date: Fri, 13 Jun 2014 15:19:50 +0300 Message-ID: <83tx7pvw61.fsf@gnu.org> References: <874mzp896b.fsf@rosalinde.fritz.box> <83vbs5w3h7.fsf@gnu.org> <87zjhh6su4.fsf@rosalinde.fritz.box> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1402662087 30816 80.91.229.3 (13 Jun 2014 12:21:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 13 Jun 2014 12:21:27 +0000 (UTC) Cc: 17771@debbugs.gnu.org To: Stephen Berman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jun 13 14:21:20 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WvQTw-0003Ib-0k for geb-bug-gnu-emacs@m.gmane.org; Fri, 13 Jun 2014 14:21:20 +0200 Original-Received: from localhost ([::1]:58782 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvQTv-00050D-Hf for geb-bug-gnu-emacs@m.gmane.org; Fri, 13 Jun 2014 08:21:19 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53911) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvQTm-0004tt-1n for bug-gnu-emacs@gnu.org; Fri, 13 Jun 2014 08:21:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WvQTf-00010e-II for bug-gnu-emacs@gnu.org; Fri, 13 Jun 2014 08:21:10 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55116) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WvQTf-00010X-FU for bug-gnu-emacs@gnu.org; Fri, 13 Jun 2014 08:21:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WvQTf-0007Yn-1N for bug-gnu-emacs@gnu.org; Fri, 13 Jun 2014 08:21:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 13 Jun 2014 12:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 17771 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 17771-submit@debbugs.gnu.org id=B17771.140266202228979 (code B ref 17771); Fri, 13 Jun 2014 12:21:02 +0000 Original-Received: (at 17771) by debbugs.gnu.org; 13 Jun 2014 12:20:22 +0000 Original-Received: from localhost ([127.0.0.1]:46266 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WvQSv-0007X8-6d for submit@debbugs.gnu.org; Fri, 13 Jun 2014 08:20:21 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:57396) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WvQSm-0007WR-Jh for 17771@debbugs.gnu.org; Fri, 13 Jun 2014 08:20:12 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0N7300600WL39N00@a-mtaout20.012.net.il> for 17771@debbugs.gnu.org; Fri, 13 Jun 2014 15:20:01 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N73006FKWXD2L40@a-mtaout20.012.net.il>; Fri, 13 Jun 2014 15:20:01 +0300 (IDT) In-reply-to: <87zjhh6su4.fsf@rosalinde.fritz.box> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:90320 Archived-At: > From: Stephen Berman > Cc: 17771@debbugs.gnu.org > Date: Fri, 13 Jun 2014 11:50:59 +0200 > > On Fri, 13 Jun 2014 12:41:56 +0300 Eli Zaretskii wrote: > > >> From: Stephen Berman > >> Date: Fri, 13 Jun 2014 11:12:44 +0200 > >> > >> > >> 0. emacs -Q > >> 1. C-h h (on my machine, it takes ~30 seconds for the Hello file to > >> appear; during that time, do the following:) > >> 2. Type C-g repeatedly (I did it rapidly, for ~15 seconds). > >> 3. Emacs crashes, full backtrace below. (This is reliably reproducible.) > > > > Not here, but this is Windows, where input is treated very > > differently. > > > >> Program received signal SIGSEGV, Segmentation fault. > >> 0x00000000005aa564 in cleanup_vector (vector=0x43b4ea8) > >> at ../../../../bzr/emacs/emacs-24/src/alloc.c:2929 > >> 2929 ((struct font *) vector)->driver->close ((struct font *) vector); > > > > So which one is the bad pointer, vector, vector->driver, or > > vector->driver->close? > > If you're asking me, can you tell me what to type in gdb to find out? (gdb) p vector (gdb) p vector->driver (gdb) p vector->driver->close Thanks.