From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/10532 Path: news.gmane.org!.POSTED!not-for-mail From: Szabolcs Nagy Newsgroups: gmane.linux.lib.musl.general Subject: Re: [RFC PATCH 1/7] add --enable-safe-stack configuration option Date: Wed, 28 Sep 2016 01:24:25 +0200 Message-ID: <20160927232424.GE1280@port70.net> References: Reply-To: musl@lists.openwall.com NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: blaine.gmane.org 1475018686 25886 195.159.176.226 (27 Sep 2016 23:24:46 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Sep 2016 23:24:46 +0000 (UTC) User-Agent: Mutt/1.6.0 (2016-04-01) Cc: Michael LeMay To: musl@lists.openwall.com Original-X-From: musl-return-10545-gllmg-musl=m.gmane.org@lists.openwall.com Wed Sep 28 01:24:41 2016 Return-path: Envelope-to: gllmg-musl@m.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by blaine.gmane.org with smtp (Exim 4.84_2) (envelope-from ) id 1bp1jp-0005WB-B0 for gllmg-musl@m.gmane.org; Wed, 28 Sep 2016 01:24:37 +0200 Original-Received: (qmail 26243 invoked by uid 550); 27 Sep 2016 23:24:37 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Original-Received: (qmail 26225 invoked from network); 27 Sep 2016 23:24:36 -0000 Mail-Followup-To: musl@lists.openwall.com, Michael LeMay Content-Disposition: inline In-Reply-To: Xref: news.gmane.org gmane.linux.lib.musl.general:10532 Archived-At: * LeMay, Michael [2016-09-27 15:34:32 -0700]: > program's level of resistance to various types of attacks. This patch > adds a configuration option to enable a segmentation-hardened form of > the SafeStack sanitizer for 32-bit x86 Linux programs. Subsequent since it is a new abi it will need a new dynamic linker name and possibly new triplet name for configuration. (existing /lib/ld-musl-i386.so.1 cannot load safestack instrumented binaries, and an instrumented libc cannot load uninstrumented binaries)