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#13262: 24.3.50; crash when multibyte directory name completion. Date: Mon, 24 Dec 2012 23:26:56 +0200 Message-ID: <83sj6vnntr.fsf@gnu.org> References: <86bodkb5rp.fsf@yfb02119.nifty.com> <83y5gno1ye.fsf@gnu.org> <50D89D16.2000806@gmx.at> <83txrbno4o.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1356384458 18501 80.91.229.3 (24 Dec 2012 21:27:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 24 Dec 2012 21:27:38 +0000 (UTC) Cc: yfb02119@nifty.com, 13262@debbugs.gnu.org To: rudalics@gmx.at Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 24 22:27:53 2012 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 1TnFYr-0002cy-Ie for geb-bug-gnu-emacs@m.gmane.org; Mon, 24 Dec 2012 22:27:49 +0100 Original-Received: from localhost ([::1]:54050 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TnFYd-00082N-AU for geb-bug-gnu-emacs@m.gmane.org; Mon, 24 Dec 2012 16:27:35 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:55404) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TnFYZ-0007yw-OD for bug-gnu-emacs@gnu.org; Mon, 24 Dec 2012 16:27:33 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TnFYY-0007RB-Mx for bug-gnu-emacs@gnu.org; Mon, 24 Dec 2012 16:27:31 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:48235) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TnFYY-0007R7-Jo for bug-gnu-emacs@gnu.org; Mon, 24 Dec 2012 16:27:30 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1TnFZ4-0005ik-Fc for bug-gnu-emacs@gnu.org; Mon, 24 Dec 2012 16:28:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 24 Dec 2012 21:28:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13262 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13262-submit@debbugs.gnu.org id=B13262.135638446621967 (code B ref 13262); Mon, 24 Dec 2012 21:28:02 +0000 Original-Received: (at 13262) by debbugs.gnu.org; 24 Dec 2012 21:27:46 +0000 Original-Received: from localhost ([127.0.0.1]:58486 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TnFYo-0005iG-CQ for submit@debbugs.gnu.org; Mon, 24 Dec 2012 16:27:46 -0500 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:34798) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TnFYm-0005i7-1g for 13262@debbugs.gnu.org; Mon, 24 Dec 2012 16:27:45 -0500 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0MFK00B000RTCO00@a-mtaout20.012.net.il> for 13262@debbugs.gnu.org; Mon, 24 Dec 2012 23:27:00 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MFK00BWM0WZCL50@a-mtaout20.012.net.il>; Mon, 24 Dec 2012 23:27:00 +0200 (IST) In-reply-to: <83txrbno4o.fsf@gnu.org> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.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:69018 Archived-At: > Date: Mon, 24 Dec 2012 23:20:23 +0200 > From: Eli Zaretskii > Cc: yfb02119@nifty.com, 13262@debbugs.gnu.org > > > Date: Mon, 24 Dec 2012 19:21:10 +0100 > > From: martin rudalics > > > > > Sorry, the changes touch quite a few places, but they all had the same > > > problem: unwarranted assumptions that input Lisp strings passed to > > > primitives are multibyte. The crash happened because file completion > > > calls directory-file-name with a unibyte string (an encoded file > > > name). A similar mess was found and fixed in file-name-directory and > > > in expand-file-name. > > > > There's a crash I can reproduce easily but only randomly with my setup > > and not with emacs -Q (backtrace with actual trunk). Can it be related? > > No. The changes were all made in functions that manipulate file > names, not something even remotely related to redisplay. > > Any chance of a recipe? Also, what data causes the crash? Better file a new bug report, btw. Also, does this buffer position make sense? Program received signal SIGSEGV, Segmentation fault. 0x0107160b in FETCH_MULTIBYTE_CHAR (pos=54295370) at buffer.h:1168 ^^^^^^^^^^^^ Were you indeed editing a 54MB buffer?