From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB09EC3A5A0 for ; Mon, 20 Apr 2020 13:48:12 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 1050020857 for ; Mon, 20 Apr 2020 13:48:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1050020857 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-18566-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 24486 invoked by uid 550); 20 Apr 2020 13:48:06 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 24461 invoked from network); 20 Apr 2020 13:48:05 -0000 IronPort-SDR: B5Z0kQINEU9j+Hc5dl5DTWoQRoH4kpDgIwdaWWxGtAlFU6d+nMYIjOPlle1v6+PNwWzT8mARMi hgYKa0BHyuEw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False IronPort-SDR: jwQolS9u+4721QdJFLXFEOkkXhmo1m2C+SFHHPT0cni8hJqTPMwOlDTulPPYyhjJrhSb2AZYL8 yASKG9D7+w1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,406,1580803200"; d="scan'208";a="279244431" Subject: Re: [PATCH 9/9] module: Reorder functions To: Ard Biesheuvel Cc: Kristen Carlson Accardi , Kees Cook , Thomas Gleixner , Ingo Molnar , Borislav Petkov , hpa@zytor.com, Jessica Yu , X86 ML , Linux Kernel Mailing List , kernel-hardening@lists.openwall.com, rick.p.edgecomb@intel.com References: <20200415210452.27436-1-kristen@linux.intel.com> <20200415210452.27436-10-kristen@linux.intel.com> From: Arjan van de Ven Message-ID: <578416ef-3d1d-4b64-2be7-0ae1f5b84796@linux.intel.com> Date: Mon, 20 Apr 2020 06:47:52 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit On 4/20/2020 6:43 AM, Ard Biesheuvel wrote: > > Note that arm64 does not have a decompressor, so there the fine > grained randomization of the core kernel is not really feasible using > the approach presented here. maybe do a "memcpy" decompressor as an option? :-) >