From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Masatake YAMATO Newsgroups: gmane.emacs.devel Subject: Re: Needed for the release Date: Thu, 16 Jun 2005 13:22:30 +0900 (JST) Message-ID: <20050616.132230.213364433.jet@gyve.org> References: <20050610.194059.156818634.jet@gyve.org> <85is0lokfm.fsf@lola.goethe.zz> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1118895958 11632 80.91.229.2 (16 Jun 2005 04:25:58 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 16 Jun 2005 04:25:58 +0000 (UTC) Cc: rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jun 16 06:25:49 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1Dilwk-0003kg-CW for ged-emacs-devel@m.gmane.org; Thu, 16 Jun 2005 06:25:42 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Dim25-00006b-I4 for ged-emacs-devel@m.gmane.org; Thu, 16 Jun 2005 00:31:13 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Dim1R-0008Gi-Dw for emacs-devel@gnu.org; Thu, 16 Jun 2005 00:30:33 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Dim1P-0008Fr-Ao for emacs-devel@gnu.org; Thu, 16 Jun 2005 00:30:32 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Dim1O-0008Em-Jy for emacs-devel@gnu.org; Thu, 16 Jun 2005 00:30:30 -0400 Original-Received: from [210.130.136.40] (helo=r-maa.spacetown.ne.jp) by monty-python.gnu.org with esmtp (Exim 4.34) id 1Dim10-0001m1-UH; Thu, 16 Jun 2005 00:30:07 -0400 Original-Received: from localhost (P061198128244.ppp.prin.ne.jp [61.198.128.244]) by r-maa.spacetown.ne.jp (8.11.6) with ESMTP id j5G4SKX21865; Thu, 16 Jun 2005 13:28:21 +0900 (JST) Original-To: dak@gnu.org In-Reply-To: <85is0lokfm.fsf@lola.goethe.zz> X-Mailer: Mew version 4.2 on Emacs 22.0.50 / Mule 5.0 (SAKAKI) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:38934 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:38934 Sorry to be late. > Richard Stallman writes: > > > What I remember is that Red Hat enables a feature in Linux that (I > > believe) uses the address space differently. unexelf.c doesn't handle > > it right. > > > > I don't remember the name of the feature, but I'm sure other people > > on this list remember the name. > > exec_shield is one such feature, and newer kernels use something like, > uh, /proc/sys/vm/randomize_... (I don't remember the particular name > right now and don't have a Fedora active). The latter loaded > executables' memory segments into randomized locations to make buffer > overflow attacks less predictable. > > exec_shield could be gotten around with using > setarch i386 make > and configure does that already IIRC. But the address space > randomization was prohibiting the dumping even with the setarch > command. Could you tell me the kernel version or the OS version? I'm using Fedora core 1 and Fedora core 3. I cannot reproduce the problem on the platforms.