From owner-freebsd-security@FreeBSD.ORG Thu Jun 5 02:51:36 2003 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2D6DE37B401 for ; Thu, 5 Jun 2003 02:51:36 -0700 (PDT) Received: from mail.bsdtech.com (tromso-dhcp-235-148.bluecom.no [62.101.235.148]) by mx1.FreeBSD.org (Postfix) with SMTP id 55ACD43FAF for ; Thu, 5 Jun 2003 02:51:32 -0700 (PDT) (envelope-from erik@pentadon.com) Received: (qmail 4609 invoked by uid 92); 5 Jun 2003 11:52:45 -0000 Received: from tromso-dhcp-234-175.bluecom.no (HELO eps) (62.101.234.175) by tromso-dhcp-235-148.bluecom.no with SMTP; 5 Jun 2003 11:52:45 -0000 From: "Erik Paulsen Skaalerud" To: "'Tim Baur'" , Date: Thu, 5 Jun 2003 11:51:40 +0200 Message-ID: <003601c32b48$106ec380$0a00000a@eps> X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: <0306042122420.58298@neobe.cnanfb.pbz> Subject: RE: Non-Executable Stack Patch X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Security issues [members-only posting] List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jun 2003 09:51:36 -0000 > From: owner-freebsd-security@freebsd.org > [mailto:owner-freebsd-security@freebsd.org] On Behalf Of Tim Baur > Sent: Thursday, June 05, 2003 6:24 AM > To: freebsd-security@freebsd.org > On Wed, 4 Jun 2003, Tony Meman wrote: > > I was wondering if there's any non-executable stack patch for > > FreeBSD's kernel. >http://www.trl.ibm.com/projects/security/ssp/buildfreebsd.html > >-tbaur Can anyone here share their experiences with this patch? I've heard very little talk about it really, I'm looking for others oppinions before I try to patch gcc with this. Any major slowdowns on the userland? And if its major, how much? Erik.