From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#18410: Use SAFE_ALLOCA etc. to avoid unbounded stack allocation. Date: Fri, 05 Sep 2014 12:59:27 +0400 Message-ID: <54097B6F.8000306@yandex.ru> References: <5409536B.5090201@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1409907635 10918 80.91.229.3 (5 Sep 2014 09:00:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 5 Sep 2014 09:00:35 +0000 (UTC) Cc: 18410@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Sep 05 11:00:27 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 1XPpNV-00008Z-Hu for geb-bug-gnu-emacs@m.gmane.org; Fri, 05 Sep 2014 11:00:21 +0200 Original-Received: from localhost ([::1]:56426 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPpNV-0005Jv-7j for geb-bug-gnu-emacs@m.gmane.org; Fri, 05 Sep 2014 05:00:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48259) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPpNK-00056G-OP for bug-gnu-emacs@gnu.org; Fri, 05 Sep 2014 05:00:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XPpND-0003KI-O5 for bug-gnu-emacs@gnu.org; Fri, 05 Sep 2014 05:00:10 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:39474) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPpND-0003JD-Br for bug-gnu-emacs@gnu.org; Fri, 05 Sep 2014 05:00:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XPpNC-00058x-Px for bug-gnu-emacs@gnu.org; Fri, 05 Sep 2014 05:00:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Dmitry Antipov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 05 Sep 2014 09:00:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18410 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 18410-submit@debbugs.gnu.org id=B18410.140990758319716 (code B ref 18410); Fri, 05 Sep 2014 09:00:02 +0000 Original-Received: (at 18410) by debbugs.gnu.org; 5 Sep 2014 08:59:43 +0000 Original-Received: from localhost ([127.0.0.1]:59271 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XPpMs-00057w-Nf for submit@debbugs.gnu.org; Fri, 05 Sep 2014 04:59:42 -0400 Original-Received: from forward1j.cmail.yandex.net ([5.255.227.19]:49423) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XPpMl-00057d-Nq for 18410@debbugs.gnu.org; Fri, 05 Sep 2014 04:59:40 -0400 Original-Received: from smtp12.mail.yandex.net (smtp12.mail.yandex.net [95.108.131.191]) by forward1j.cmail.yandex.net (Yandex) with ESMTP id E0647137A; Fri, 5 Sep 2014 12:59:28 +0400 (MSK) Original-Received: from smtp12.mail.yandex.net (localhost [127.0.0.1]) by smtp12.mail.yandex.net (Yandex) with ESMTP id A9E4616A14D4; Fri, 5 Sep 2014 12:59:28 +0400 (MSK) Original-Received: from unknown (unknown [37.139.80.10]) by smtp12.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id Yxha0U2thZ-xRCWkVAU; Fri, 5 Sep 2014 12:59:28 +0400 (using TLSv1.2 with cipher AES128-SHA (128/128 bits)) (Client certificate not present) X-Yandex-Uniq: 9ea8d9c3-4e4b-4efe-a7e7-1f0733a45111 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1409907568; bh=Zo7vpRd9dzFSfOk6dVCULxlO2WRyXIu2m59YwibSKlA=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=Bpfe1IWhDxlpuTA80JSZvVMSLIMstw6vI4mNskafmzwZnFfXfjMmBNEFlww80/LJU fcaGTyRJlym8jvVk4j4i1wi+iJ0WDiTw4wIgU9CwGlPDwkc0y1b3VGIeRS4RhIE8xo iUN6qJP9L1Q60YCoBLVQ3Oifmc+TJAIbDy1LoDsg= Authentication-Results: smtp12.mail.yandex.net; dkim=pass header.i=@yandex.ru User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 In-Reply-To: <5409536B.5090201@cs.ucla.edu> 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:93061 Archived-At: On 09/05/2014 10:08 AM, Paul Eggert wrote: > Attached is a patch to fix the unbounded alloca calls that I found when auditing the Emacs source. > I'm sending this to bug-gnu-emacs to give Eli a heads-up, as some of the fixes affect Windows code. > This patch is relative to Emacs trunk bzr 117822. If __GNUC__, can't we use __attribute__ ((cleanup (freeing_function))) for implicit calls to SAFE_FREE, similar to destructors in C++? Dmitry