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[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> ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1664821893; a=rsa-sha256; cv=none; b=3v0NFh7bMONCJKn+tQzDbtZwddOBTBhd3U+QCUxf47WHPfKhMKagldFfPGbUQW+hsHcBhF KtexxlqCbsFei9sDEB7ZsnD0AfSs4U0aEXkSSFVvS9GUJqo6jO98eeq0Whca9CipXR9/Mm NxZZJKLqWDY8Sf+wolpg0SdO6GpVGMA= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=gJcwrq+s; spf=pass (imf19.hostedemail.com: domain of keescook@chromium.org designates 209.85.216.48 as permitted sender) smtp.mailfrom=keescook@chromium.org; dmarc=pass (policy=none) header.from=chromium.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1664821893; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=gcdwOpvyFJSGp4cQvt0W+LFd65h9zHXN/GY/Jg8dWAM=; b=L9sGww1ZYoXhNHhdJPT9pJiwPXuL6R0eNkoRA6wQWoaBFYmJGEZWsXaxLnQOE202ARwg89 ZmQj8k5aF0BrHXexI8wZKdQoW84lM8OL3dWWHM6gwsujyyGLZ82TSe9NoTsxBOLPmXFXa2 csuUjo4KQqKq7TGJVafBjWNTJM7588E= X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: BFECA1A000A X-Rspam-User: Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=gJcwrq+s; spf=pass (imf19.hostedemail.com: domain of keescook@chromium.org designates 209.85.216.48 as permitted sender) smtp.mailfrom=keescook@chromium.org; dmarc=pass (policy=none) header.from=chromium.org X-Stat-Signature: mkok19o8531oqsu7m7rrwzzw7ik33wb8 X-HE-Tag: 1664821893-497560 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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