From owner-freebsd-toolchain@freebsd.org Fri Aug 26 14:18:23 2016 Return-Path: Delivered-To: freebsd-toolchain@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E0021B714CD for ; Fri, 26 Aug 2016 14:18:23 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-it0-x22e.google.com (mail-it0-x22e.google.com [IPv6:2607:f8b0:4001:c0b::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AA1A1F80 for ; Fri, 26 Aug 2016 14:18:23 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-it0-x22e.google.com with SMTP id x131so333710023ite.0 for ; Fri, 26 Aug 2016 07:18:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=N8PUubgcYVs0BrsURuDJ1EDAr5XTHyi+i/psq4+DOCE=; b=NWcrkPHig8YupVo+B5bIEeePcwPSCLiwn8q6ZGKmo9Q9SzHi+S50iD0fhCOmAghOc6 buW9UkHgfwBBDGwVW11NSF1myZfDkDfedrEPNE3bvrroUH/YdTawDV94k1BDTjd8n/r8 oV99I6N8zRUSbwpoU/dCRaB2JhdXLJZItoOEbYK2dr98MOVgrB/ap7K8HmJv5MLGVp1I qIau3XTmO6wJl2kjjBtbLMzcB8g5kMSUas0ois04MTEZ2XGGa+HhbllyHCBaTwZr88R8 YEbdNFIewHvJo/3m6E2yJCWxxqHNmQtMkezkcQfx42arzaooQL4oRgx6ywFBQ672ft1x 3H2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=N8PUubgcYVs0BrsURuDJ1EDAr5XTHyi+i/psq4+DOCE=; b=IX/8Wf80oRIzXBh/Aib4XGC1LWG/dVFPYj4Ei5C/YGsMWUYX6iFNsCb8qMtyWcsrJ/ fsaCyG7yr+t/YYwRD0Uuvb71Hsix+Zg1vAT0M0gsfr14eGbngtRCq1bUnajDTMdRadrE LYYjlGs+k3VikIjTAsYaWeJYPUISgcDJ/ShLibAJ8XCRbP5vhydsf6iDVVgIF3NgQnmA tB3YPeR7yq04q0+gOtKDqFkdyKBpFezeksH+6YK6KDUy9Z5bHGB3Sx9sely8YOHovD2i OMYtuTvySzCNDheBUY2LX+lUCsS71sSWsAZtay2Q7Sw4vEHpbVXvOZKqBGiwrJYD15Ec JcxQ== X-Gm-Message-State: AE9vXwNOfBpcdJO9AfUA/75yokf2zXeQh+M9PzEn6/to3DjgF5HlN8RkG0vu26XYRMZqj9OCfs2lF7/bJqhL0w== X-Received: by 10.107.21.134 with SMTP id 128mr4192818iov.59.1472221103078; Fri, 26 Aug 2016 07:18:23 -0700 (PDT) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 10.36.65.7 with HTTP; Fri, 26 Aug 2016 07:18:22 -0700 (PDT) X-Originating-IP: [69.53.245.200] In-Reply-To: References: From: Warner Losh Date: Fri, 26 Aug 2016 08:18:22 -0600 X-Google-Sender-Auth: fRXMVF6KMx8NjbSBrVm438jO7VI Message-ID: Subject: Re: Time to enable partial relro To: Pedro Giffuni Cc: "freebsd-toolchain@FreeBSD.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Aug 2016 14:18:24 -0000 On Thu, Aug 25, 2016 at 4:50 PM, Pedro Giffuni wrote: > Hello; > > GNU RELRO support was committed in r230784 (2012-01-30) but we never enabled > it by default. So what's the summary of why we'd want to do that? What benefit does it bring? Sure, other folks do it, but why? Warner