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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 4FFE7C4332D for ; Fri, 12 Mar 2021 02:51:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 210B864FBA for ; Fri, 12 Mar 2021 02:51:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231657AbhCLCv1 (ORCPT ); Thu, 11 Mar 2021 21:51:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231799AbhCLCvB (ORCPT ); Thu, 11 Mar 2021 21:51:01 -0500 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EAC95C061761 for ; Thu, 11 Mar 2021 18:51:00 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id bt4so4445389pjb.5 for ; Thu, 11 Mar 2021 18:51:00 -0800 (PST) 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=jgKB3A92D5gwIxX7ZNPTWJNkyox2kFXe9uVkjxxztms=; b=Byp8VJLq4cTqNlyW1jcVtPh0g5LN5iNS4eR11K81JCbvgPvNMAhVXh9Gd+468WpnBc lejZk+bqLROi5s87MT9mO+QL80AzVMLefAwEp4YN4MFXFOgzdc//xji3nbCrTC8EviEH //3c1oVgTFeQhQtFuqphdUQ4neW/w26ZyRino= 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=jgKB3A92D5gwIxX7ZNPTWJNkyox2kFXe9uVkjxxztms=; b=XTWUZ40FwablTnTwcTnUg7x2RnMAQf8xm0ez1daLct/px8yNZgACtyEcRTTSIZlMjL rKSAHNE3M+oXaCYJ9hiR5icH9r38hFPZnKmxJHRQA4ogD23h6R700Aks4jOQGEmJOxcs hou6s4E5cBrW4uC4I5sM8INVGOtxGL1g1RHz52R/7sKED7XVm0KYN97NVQ8Nr8iZxsv/ EGcYNAGVBt0kmzGmz7woMVhwna0D+4VxVXTxxCjYx/6FB8O1U7kHH2mZnnELfxXb7KML sOnrjqIDT9J/lTf8y6oPdbYgZkip8sm0gw5VCB0EL9WuGFpT9lT5zlAWh3CT6eiIllor nW5Q== X-Gm-Message-State: AOAM530jmwp+n3eMtEb7IL4G55Oy3YTj9haYf273t0v7KTMtj6NKW+aF ZneDe5LgBAoBcKop3LCCTz1FVQ== X-Google-Smtp-Source: ABdhPJwAHxl/NS7FlgAJRz5QaAvQOXkfhkHGZcnAZkR6rCdXdtzDyILaDAk8TTtJWufQKkWHZbPLwA== X-Received: by 2002:a17:903:4093:b029:e5:b933:fab7 with SMTP id z19-20020a1709034093b02900e5b933fab7mr11028894plc.11.1615517460606; Thu, 11 Mar 2021 18:51:00 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id w188sm3656858pfw.177.2021.03.11.18.50.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 18:50:59 -0800 (PST) Date: Thu, 11 Mar 2021 18:50:59 -0800 From: Kees Cook To: Sami Tolvanen Cc: Nathan Chancellor , Nick Desaulniers , Masahiro Yamada , Will Deacon , Jessica Yu , Arnd Bergmann , Tejun Heo , bpf@vger.kernel.org, linux-hardening@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 16/17] KVM: arm64: Disable CFI for nVHE Message-ID: <202103111850.163D807@keescook> References: <20210312004919.669614-1-samitolvanen@google.com> <20210312004919.669614-17-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210312004919.669614-17-samitolvanen@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Mar 11, 2021 at 04:49:18PM -0800, Sami Tolvanen wrote: > Disable CFI for the nVHE code to avoid address space confusion. > > Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook -- Kees Cook