Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3863341ybz; Mon, 20 Apr 2020 10:49:47 -0700 (PDT) X-Google-Smtp-Source: APiQypK3LVnV/AY1OwVBynLDlP3f2JtfL73FBUmdtrW1bC33JjwmdUR7d8kCwHixEsNbiLeKWJVG X-Received: by 2002:a17:906:1393:: with SMTP id f19mr15616750ejc.26.1587404987155; Mon, 20 Apr 2020 10:49:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587404987; cv=none; d=google.com; s=arc-20160816; b=YOlH4tSr1owGgTQnbL0JomQakxoUG34r6iZ5p9LY5KWv/zuZ0QglyKsT+BLGcXrjAA PD3aKrLwIFDHhzgOnShRfSXkrWvdjhCFdGgV4yhNTBRz40/A6nl2iRYFljh6+Diij0FB ufytRd9B3+NJAkXdneTvpkHnZGMVBM7frECrmnc47CGGl3vXSuaP2SzutwmgsOF87VbT XHvAZcD4LD+Pykl4PvMK3W3GOmWgmdF3PYA4gu5JGjX6aPl5T7JMoCNuoPsAARKCfh6U 4btHr0JCm7QPy/uyKNNj1gMNau5e6RdRYiBeomzMlKg+65D66RlB47l6f6+Lb1trKptq tiVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=Q4Luph9bjUR+Gp2ezvaV6wES2xaIHfMicGZ5Eha18+I=; b=dr6vyniTr9nQDTUFk6fpH3V5/IYV6mdjhChl/gHNmvvPaAbjMvHu0+Hspzi6Rh0hwG mDF7ESE1hfrI8XcHnfJ1mFZh7Z3f8UDGkBew9ZSB3QHbMDE3qZCvI8wP29dcD9IRDxpk HkAg+DJSFauKqOywyke3tCB1hoOSNeri0BpTuSQRhNnMYD3hW1eHigtDmBmjtjhn+RDz YNpstcZEh+x6cVrFKNNObH0XvFU2hSgjgj5wRkzY+OI8b9yIdP6EjVf2t3hvtPoXDVik JwamwGxTIbNrN3bzgc7nM2CJJFHkv9gtEoC5YkslbQU/+bWc4eYIS0wT0co2QOQdr7Iy lpUg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=GXRI4PIn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a23si93307edy.27.2020.04.20.10.49.23; Mon, 20 Apr 2020 10:49:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=GXRI4PIn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726841AbgDTRsF (ORCPT + 99 others); Mon, 20 Apr 2020 13:48:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726492AbgDTRsF (ORCPT ); Mon, 20 Apr 2020 13:48:05 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E1A5C061A0C for ; Mon, 20 Apr 2020 10:48:03 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id w11so5415300pga.12 for ; Mon, 20 Apr 2020 10:48:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Q4Luph9bjUR+Gp2ezvaV6wES2xaIHfMicGZ5Eha18+I=; b=GXRI4PInUTtUMm78jGtgjATrvbZr7mvC9uO2/IV0glFIM8jmisWzRO4HTbPySF4d1O GWuqHjfb00loi9NzH+INM6AwCX4OoEKBLTWC1dkE/SDIg59HDNN5LW7ATSr0dtA8WD5w h8pHdanm2ZyCwCuUjoGXH/ynQspj7qlcqCYQ4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Q4Luph9bjUR+Gp2ezvaV6wES2xaIHfMicGZ5Eha18+I=; b=D2GovAPEpxC4enIE+WynItAeLGePy9ydgeqXJgzF2X88rnFPL6608+fAl2eJWg+Kp+ 7yk9IclqN5ampOFMYYlJiH1lk5EScAYZJo33QZ/1rQ+Mn6yffw/A+Nwt8Ztg0gjijrrC /8vK3GstoYX0rgh/i/GXgPxBpANPyO5fJvUnfJGcxRqWy+YnGySjd7UIr+AtoK1Z2qw/ 324Au+MssL3XCL6PicNqhVJf1BXxvsQEXpg3HvU9sNuAxoonC/Lz/ftzInhXOhRhxg/u b4I9GZD6KEZ+34ICsckC2b78NTBElNMsyfbUiIt82cuohXPj7swKi5fuHYbEt8hYr+ZS 6VjQ== X-Gm-Message-State: AGi0PuaEvfgHO2isX8OV/mwNwgB4pWlFx0lQ08qmhJdddEmqzKceiIcn kttZpcwZZim+mBb5Vw88ZeWCrg== X-Received: by 2002:a62:864b:: with SMTP id x72mr6072442pfd.305.1587404883243; Mon, 20 Apr 2020 10:48:03 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id w186sm109237pff.83.2020.04.20.10.48.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Apr 2020 10:48:02 -0700 (PDT) Date: Mon, 20 Apr 2020 10:48:01 -0700 From: Kees Cook To: Kristen Carlson Accardi Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, arjan@linux.intel.com, x86@kernel.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com, rick.p.edgecomb@intel.com Subject: Re: [PATCH 0/9] Function Granular Kernel Address Space Layout Randomization Message-ID: <202004201046.600183D@keescook> References: <20200415210452.27436-1-kristen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200415210452.27436-1-kristen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 15, 2020 at 02:04:42PM -0700, Kristen Carlson Accardi wrote: > Kristen Carlson Accardi (8): > objtool: do not assume order of parent/child functions > x86: tools/relocs: Support >64K section headers Can these two patches land separately (i.e. "now")? CFI will need the relocs fix too, so better to have this landed upstream for both features. I see Josh's Ack in the first... -- Kees Cook