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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B819C433FE for ; Mon, 3 Oct 2022 18:31:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230050AbiJCSbk (ORCPT ); Mon, 3 Oct 2022 14:31:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230088AbiJCSbe (ORCPT ); Mon, 3 Oct 2022 14:31:34 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 419D742AE9 for ; Mon, 3 Oct 2022 11:31:33 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id d1-20020a17090a6a4100b002095b319b9aso10160215pjm.0 for ; Mon, 03 Oct 2022 11:31:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=gcdwOpvyFJSGp4cQvt0W+LFd65h9zHXN/GY/Jg8dWAM=; b=gJcwrq+sWxdvlCByPEOgZOCHihrWoRmnR3mww8TjthJtRRBcDm1NOT8dEfj3zPwl3/ HsdezaDoUscXjGWYZVZZ9e1w0MI/oGshiG0yfh4722czmPMYeZ/UHIobQ1i9UPyF8U9H nSm1o41vrdbF+umzuEpQcD26W6+yGj/rzsQX0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=gcdwOpvyFJSGp4cQvt0W+LFd65h9zHXN/GY/Jg8dWAM=; b=kgImvWuPFlC7jcN+vmAfOU46h9UzkMnfaWHsnYeBqCAEKlORoC3AVcbJN2eMF+quoF O3FhT2d7myQLN9G4JpntimhvW7A6LRRr3H98EOR0h7pk+7D4zSFJAQ2E7+cf65Sqdtkb B6u/c213H8UZ556xOo1P47/Ot4TDbqoBrLyxGL3ikflU8r7or9XIt/LVd09QEdX31Bzi TALyNT0boQ4xsOjaH8nwXHmQ6hVZG7kPL9OjGtO+PYNI94AUXjT/u+6nPUKkGRV1nK7q tQbUJ8y7Qt8zm23S2uNjpd2Hz3ARHVn96hztFLyTB2qR0RY+rpvoyM3CN369BwhIQK1H yPfQ== X-Gm-Message-State: ACrzQf01ouAdMa/858sCDuEXWNOdSdHoZvrX99NNjHeNQXnC4ZHDMId2 Mz6mI3P/xXPO4e9D1FkMUYwHYg== X-Google-Smtp-Source: AMsMyM7us4SWa4jI1WB82zn6GmkmuiTqVFRkDe9ir2Snt5g+VtLsgwjxcWuAujRu8O7s3VwmMifIGw== X-Received: by 2002:a17:90b:1c12:b0:200:b623:455d with SMTP id oc18-20020a17090b1c1200b00200b623455dmr13305214pjb.88.1664821892754; Mon, 03 Oct 2022 11:31:32 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id ij27-20020a170902ab5b00b0016dbaf3ff2esm4262285plb.22.2022.10.03.11.31.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Oct 2022 11:31:32 -0700 (PDT) Date: Mon, 3 Oct 2022 11:31:31 -0700 From: Kees Cook To: Rick Edgecombe Cc: x86@kernel.org, "H . Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H . J . Lu" , Jann Horn , Jonathan Corbet , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V . Shankar" , Weijiang Yang , "Kirill A . Shutemov" , joao.moreira@intel.com, John Allen , kcc@google.com, eranian@google.com, rppt@kernel.org, jamorris@linux.microsoft.com, dethoma@microsoft.com, Yu-cheng Yu Subject: Re: [PATCH v2 19/39] mm/mmap: Add shadow stack pages to memory accounting Message-ID: <202210031131.AC6CF1AB@keescook> References: <20220929222936.14584-1-rick.p.edgecombe@intel.com> <20220929222936.14584-20-rick.p.edgecombe@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220929222936.14584-20-rick.p.edgecombe@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org On Thu, Sep 29, 2022 at 03:29:16PM -0700, Rick Edgecombe wrote: > From: Yu-cheng Yu > > Account shadow stack pages to stack memory. > > Signed-off-by: Yu-cheng Yu Reviewed-by: Kees Cook -- Kees Cook