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 16:44:39 +0300 Message-ID: <83mwdgx6t4.fsf@gnu.org> References: <874mzp896b.fsf@rosalinde.fritz.box> <83vbs5w3h7.fsf@gnu.org> <87zjhh6su4.fsf@rosalinde.fritz.box> <83tx7pvw61.fsf@gnu.org> <87ppid6l0x.fsf@rosalinde.fritz.box> <83ppidvsyx.fsf@gnu.org> <87lht16ii3.fsf@rosalinde.fritz.box> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1402667189 28668 80.91.229.3 (13 Jun 2014 13:46:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 13 Jun 2014 13:46:29 +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 15:46:22 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 1WvRoC-0001T7-FV for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 13 Jun 2014 13:46:02 +0000 Original-Received: (at 17771) by debbugs.gnu.org; 13 Jun 2014 13:45:08 +0000 Original-Received: from localhost ([127.0.0.1]:46333 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WvRmy-0001zp-0t for submit@debbugs.gnu.org; Fri, 13 Jun 2014 09:45:07 -0400 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:55649) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WvRmr-0001yq-In for 17771@debbugs.gnu.org; Fri, 13 Jun 2014 09:45:01 -0400 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0N7400I000RZE000@a-mtaout21.012.net.il> for 17771@debbugs.gnu.org; Fri, 13 Jun 2014 16:44:51 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0N7400IMP0UQ8980@a-mtaout21.012.net.il>; Fri, 13 Jun 2014 16:44:51 +0300 (IDT) In-reply-to: <87lht16ii3.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:90332 Archived-At: > From: Stephen Berman > Cc: 17771@debbugs.gnu.org > Date: Fri, 13 Jun 2014 15:34:12 +0200 > > On Fri, 13 Jun 2014 16:28:54 +0300 Eli Zaretskii wrote: > > >> From: Stephen Berman > >> Cc: 17771@debbugs.gnu.org > >> Date: Fri, 13 Jun 2014 14:39:42 +0200 > >> > >> Program received signal SIGSEGV, Segmentation fault. > >> 0x00000000005aa564 in cleanup_vector (vector=0x413c318) > >> at ../../../../bzr/emacs/emacs-24/src/alloc.c:2929 > >> 2929 ((struct font *) vector)->driver->close ((struct font *) vector); > >> (gdb) p vector > >> $1 = (struct Lisp_Vector *) 0x413c318 > >> (gdb) p vector->driver > >> There is no member named driver. > >> (gdb) p vector->driver->close > >> There is no member named driver. > > > > (gdb) p ((struct font *) vector)->driver > > (gdb) p ((struct font *) vector)->driver->close > > (gdb) p ((struct font *) vector)->driver > $4 = (struct font_driver *) 0x0 > (gdb) p ((struct font *) vector)->driver->close > Cannot access memory at address 0x40 IOW, the font driver is NULL.