From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: Needed for the release Date: Thu, 16 Jun 2005 09:53:05 +0200 Message-ID: <85aclq4u1q.fsf@lola.goethe.zz> References: <20050610.194059.156818634.jet@gyve.org> <85is0lokfm.fsf@lola.goethe.zz> <20050616.132230.213364433.jet@gyve.org> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1118911618 23645 80.91.229.2 (16 Jun 2005 08:46:58 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 16 Jun 2005 08:46:58 +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 10:46:56 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1Diq1B-0004Fa-1X for ged-emacs-devel@m.gmane.org; Thu, 16 Jun 2005 10:46:33 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1DipoW-0005sn-Bn for ged-emacs-devel@m.gmane.org; Thu, 16 Jun 2005 04:33:28 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Dipn7-0005qc-Hn for emacs-devel@gnu.org; Thu, 16 Jun 2005 04:32:02 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Dipmy-0005oY-4f for emacs-devel@gnu.org; Thu, 16 Jun 2005 04:31:54 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Dipmw-0005n7-QH for emacs-devel@gnu.org; Thu, 16 Jun 2005 04:31:51 -0400 Original-Received: from [199.232.76.164] (helo=fencepost.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.34) id 1Dipkz-00005a-Fw for emacs-devel@gnu.org; Thu, 16 Jun 2005 04:29:49 -0400 Original-Received: from localhost ([127.0.0.1] helo=lola.goethe.zz) by fencepost.gnu.org with esmtp (Exim 4.34) id 1Dipj1-0001BE-92; Thu, 16 Jun 2005 04:27:47 -0400 Original-Received: by lola.goethe.zz (Postfix, from userid 1002) id 3E9081C4CE19; Thu, 16 Jun 2005 09:53:05 +0200 (CEST) Original-To: Masatake YAMATO In-Reply-To: <20050616.132230.213364433.jet@gyve.org> (Masatake YAMATO's message of "Thu, 16 Jun 2005 13:22:30 +0900 (JST)") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) 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:38943 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:38943 Masatake YAMATO writes: > Sorry to be late. > >> 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. It was introduced some time after Fedora core 3 in their development sources. I switched to Ubuntu a short time after that. It is possible that the feature did not make it switched on by default into the final FC4 release, but I can't tell since I stopped updating it after that. -- David Kastrup, Kriemhildstr. 15, 44793 Bochum