From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Glenn Morris Newsgroups: gmane.emacs.bugs Subject: bug#23667: 24.4; "Stack overflow in regexp matcher" happens in only some buffers, for the same arguments Date: Wed, 01 Jun 2016 02:36:34 -0400 Message-ID: References: <87k2i9tyun.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1464763045 14354 80.91.229.3 (1 Jun 2016 06:37:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 1 Jun 2016 06:37:25 +0000 (UTC) Cc: 23667@debbugs.gnu.org To: Ernesto Alfonso Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jun 01 08:37:14 2016 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 1b7zmB-0007ZF-JR for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Jun 2016 08:37:11 +0200 Original-Received: from localhost ([::1]:39882 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7zmA-0003Ga-7N for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Jun 2016 02:37:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56954) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7zm3-0003GF-Ua for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2016 02:37:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b7zm1-0006z7-VC for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2016 02:37:02 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:36609) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7zm1-0006z3-SF for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2016 02:37:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1b7zm1-0004b0-LZ for bug-gnu-emacs@gnu.org; Wed, 01 Jun 2016 02:37:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Glenn Morris Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Jun 2016 06:37:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23667 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 23667-submit@debbugs.gnu.org id=B23667.146476300817648 (code B ref 23667); Wed, 01 Jun 2016 06:37:01 +0000 Original-Received: (at 23667) by debbugs.gnu.org; 1 Jun 2016 06:36:48 +0000 Original-Received: from localhost ([127.0.0.1]:48946 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b7zlo-0004aZ-3T for submit@debbugs.gnu.org; Wed, 01 Jun 2016 02:36:48 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:37720) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b7zll-0004aN-R7 for 23667@debbugs.gnu.org; Wed, 01 Jun 2016 02:36:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b7zlf-0006y1-IM for 23667@debbugs.gnu.org; Wed, 01 Jun 2016 02:36:40 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35945) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7zld-0006xo-Pu; Wed, 01 Jun 2016 02:36:37 -0400 Original-Received: from rgm by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1b7zla-0007gR-Jn; Wed, 01 Jun 2016 02:36:34 -0400 X-Spook: Cancelled Home grown infowar Exxon Whitehouse diwn X-Ran: DB=rB}F=BLzmy3pR=l5*!bp8'a"w=\fkjv~26|RjW;|1#,E6A^>3H`l|T!yrR+vNlL")J+ X-Hue: magenta X-Attribution: GM In-Reply-To: <87k2i9tyun.fsf@gmail.com> (Ernesto Alfonso's message of "Tue, 31 May 2016 19:41:20 -0700") User-Agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:118920 Archived-At: Ernesto Alfonso wrote: > (let ((out (shell-command-to-string "curl http://pastebin.com/raw/a2pMaW6h"))) > (string-match "\\(^[[:space:]]*\\([a-z]+\\) = \\(.*\\)\n\\)+" out 0)) > > If I try this sexp on an ielm-mode or emacs-lisp-mode buffer (just two > examples I tested), this evaluates to 0. If I try it on a message-mode > or erc buffer, I get "Stack overflow in regexp matcher". (length out) = 325969 > The evaluation should be independent of the buffer since no buffer > contents should be involved. [:space:] matches characters with whitespace syntax, and syntax is buffer-local and varies between major modes. If you don't want that, replace [:space:] with the exact characters you want to match.