From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#11398: 24.0.95; Segfault in unexec on Linux 3.3* with grsecurity/PaX Date: Wed, 28 Aug 2019 17:51:33 +0300 Message-ID: <834l21cphm.fsf@gnu.org> References: <20386.19424.760931.54187@a1i15.kph.uni-mainz.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="67737"; mail-complaints-to="usenet@blaine.gmane.org" Cc: ulm@gentoo.org, jan.h.d@swipnet.se, 11398@debbugs.gnu.org To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Aug 28 16:52:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1i2zIw-000HTC-SJ for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Aug 2019 16:52:10 +0200 Original-Received: from localhost ([::1]:37270 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i2zIv-00059s-B0 for geb-bug-gnu-emacs@m.gmane.org; Wed, 28 Aug 2019 10:52:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34230) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i2zIp-00059m-6O for bug-gnu-emacs@gnu.org; Wed, 28 Aug 2019 10:52:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i2zIo-0006RA-BG for bug-gnu-emacs@gnu.org; Wed, 28 Aug 2019 10:52:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:42219) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i2zIo-0006R6-7c for bug-gnu-emacs@gnu.org; Wed, 28 Aug 2019 10:52:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1i2zIo-00076d-4P for bug-gnu-emacs@gnu.org; Wed, 28 Aug 2019 10:52:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 28 Aug 2019 14:52:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 11398 X-GNU-PR-Package: emacs Original-Received: via spool by 11398-submit@debbugs.gnu.org id=B11398.156700389527283 (code B ref 11398); Wed, 28 Aug 2019 14:52:02 +0000 Original-Received: (at 11398) by debbugs.gnu.org; 28 Aug 2019 14:51:35 +0000 Original-Received: from localhost ([127.0.0.1]:51040 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i2zIN-00075z-9I for submit@debbugs.gnu.org; Wed, 28 Aug 2019 10:51:35 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:53724) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i2zIL-00075n-Dd for 11398@debbugs.gnu.org; Wed, 28 Aug 2019 10:51:34 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:49994) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1i2zIF-000600-Gf; Wed, 28 Aug 2019 10:51:27 -0400 Original-Received: from [176.228.60.248] (port=4380 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1i2zIE-0001ko-Vw; Wed, 28 Aug 2019 10:51:27 -0400 In-reply-to: (message from Stefan Kangas on Wed, 28 Aug 2019 15:52:27 +0200) 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: 209.51.188.43 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:166009 Archived-At: > From: Stefan Kangas > Date: Wed, 28 Aug 2019 15:52:27 +0200 > Cc: Jan Djärv , 11398@debbugs.gnu.org > > Is this still an issue with Emacs 27.0.50 (current master branch)? > > etc/NEWS says: > > ** Emacs now uses a "portable dumper" instead of unexec. > This improves compatibility with memory allocation on modern systems, > and in particular better supports the Address Space Layout > Randomization (ASLR) feature, a security technique used by most modern > operating systems. Due to pdumper, I don't believe this could be a problem anymore.