From owner-freebsd-arch@FreeBSD.ORG Thu Mar 19 21:51:33 2015 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 406C6485 for ; Thu, 19 Mar 2015 21:51:33 +0000 (UTC) Received: from mail-ie0-x232.google.com (mail-ie0-x232.google.com [IPv6:2607:f8b0:4001:c03::232]) (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 00647E03 for ; Thu, 19 Mar 2015 21:51:33 +0000 (UTC) Received: by iecsl2 with SMTP id sl2so78113761iec.1 for ; Thu, 19 Mar 2015 14:51:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=BX1VDTu+x3Ru9IGkVmax3FEjYu3lPfD7nGxdkuoi59E=; b=dq5BVfPepdowjzHBTXUqRzVYS76XOOuQHAvbcaqFGWhPELayFw+1KW3XZkRQ5jjMdF L8gixgKLPFJaRxgpXjEW5iwO1+V6WK9pcvH9MsO+TsHWtvVvVGK06F7RkHzi4zbU39Lc 2PCWrfDmF9KpFyoivFW86yo2wCihmxe/le1pvWZCj/5QN8OL9P9+aYK/47LoaxqI6LT1 AlxTdSrAl+xaBCOWiAAbvKD5mvUbAgJXqyzqGx9l2N5rO0VE2nbABgsM07rFVcMO6y0f uXa0ed7L0YyEnHixXdkychI0WRLUz7x4t8I6c6gBbhFiB0vdQfbX5Je1ed4cDEJDyYUw BTCA== MIME-Version: 1.0 X-Received: by 10.42.109.12 with SMTP id j12mr286454icp.22.1426801892417; Thu, 19 Mar 2015 14:51:32 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.36.17.194 with HTTP; Thu, 19 Mar 2015 14:51:32 -0700 (PDT) In-Reply-To: References: <7C64CB2B-3FD0-434C-A11A-2A841537220F@bsdimp.com> Date: Thu, 19 Mar 2015 14:51:32 -0700 X-Google-Sender-Auth: 14gnEEIvymTsPeYSOMd2K6VQ0Ks Message-ID: Subject: Re: ASLR work into -HEAD ? From: Adrian Chadd To: Oliver Pinter Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: HardenedBSD Core , "freebsd-arch@freebsd.org" X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2015 21:51:33 -0000 On 19 March 2015 at 13:31, Oliver Pinter wr= ote: > On Thu, Mar 19, 2015 at 9:04 PM, Adrian Chadd wrote: >> On 19 March 2015 at 12:56, Warner Losh wrote: >>> >>>> On Mar 19, 2015, at 12:53 PM, Adrian Chadd wrote: >>>> >>>> Hi, >>>> >>>> Apparently this is done but has stalled: >>>> >>>> https://reviews.freebsd.org/D473 >>>> >>>> Does anyone have any strong objections to it landing in the tree as-is= ? >>> >>> There=E2=80=99s rather a lot of them specifically spelled out in the co= de review. >>> >>> Many of the earlier ones were kinda blown off, so I=E2=80=99ve not been= inclined >>> to take the time to re-review it. Glancing at it, I see several minor i= ssues >>> that should be cleaned up. >> >> Cool. Thanks for taking the time to look at it again. >> >> Shawn is in #freebsd on freenode irc, so if you/others want a more >> interactive review then he's there during the day. > > Please CC the core@hardenedbsd.org in future please, when you are > talking about this issue. > > Adrian: do you able to review the MIPS or ARM part especially or test the= m? I'm out of spare cycles to poke at the MIPS stuff, sorry. All I can suggest in the short term is that you fire it up in a mips32 / mips64 emulator environment. FreeBSD works fine in qemu-devel in all four modes (32, 64 bit; big/little endian.) YOu should be able to get high test coverage that way. -adrian