Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp7550177rwb; Wed, 23 Nov 2022 07:51:10 -0800 (PST) X-Google-Smtp-Source: AA0mqf6ZUjk8Kx51ZzxYaSGpXFOTtn6304fApiATwRT/tIh1OPMDhUF1/VOfb4K7UJW5mHkpweVl X-Received: by 2002:a17:90a:6308:b0:218:ce1c:4c76 with SMTP id e8-20020a17090a630800b00218ce1c4c76mr8650966pjj.97.1669218670679; Wed, 23 Nov 2022 07:51:10 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1669218670; cv=pass; d=google.com; s=arc-20160816; b=C9SXlRqskF4OVvXkjdFfoPxTGzz4pBqgY9yqvtpI8pJxgcTyn1i0bjupXzpP0FFRvo vHjlSkP7/4Ej04iGuciEHEEPT9qUVNlkJ+CMQOQHUvfeBT7K1VBZ8DGODrfIr0fTlEEz eqvAmPj4CkWw42aw1qx78X+x0A0xVVXZbaSOWbhqqAl0SbC5Lo0KlY58MjQV7wvpNTMW KhWN7LgW28/NnMUjDhcK9fkXGGw/OX6qar6OZow0Mm8oLPbS8pAi4KFJUf3miLmuKgGD lpE6QirHeCZtNx35eUlenqfgjOj97gYX9YTFgAeWzJoI+iiI9wZljftmPMUBAvKiNB1G b+qg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:dkim-signature; bh=sGvRTBGDTkBsnA1+bVPHCS1GTnaqg1DEaasrICdNkt0=; b=Gsqrc70FCBsYduT1ToxZOL6ULMkmdUiXAnXhejQMtnhQIR9qDAeQYFdl0Hb46ZIvNo OeEMOhIu/xDJgWR9GufIlQBlF4lBO4RWEB7wf7Y9FuDTDXluiC11vNJFk5EvLfYVk7jN Kcua+KraARk4Aa0ITY0hphgrIaS97XhI2/RVhCNhh7+iy81IMko/yp+rRyF/GRByw0x0 Ki4S0zTpayWZDPYuUWEirpsh4H/RZik1OZ5my8dKDTdtRgUqpR9+dPKdHSefTm3xGX93 8IR3Oe1JgGnTHkKYNpUA62uaL5PhxH4neJGs0Z/Yy4hWH2A0nA8x5auRwKdBiUxEyuxr rniw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gotplt.org header.s=dreamhost header.b=QExHXNZf; arc=pass (i=1); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id f127-20020a636a85000000b00476e3bafe6dsi16441116pgc.481.2022.11.23.07.50.59; Wed, 23 Nov 2022 07:51:10 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gotplt.org header.s=dreamhost header.b=QExHXNZf; arc=pass (i=1); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238441AbiKWPai (ORCPT + 88 others); Wed, 23 Nov 2022 10:30:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238314AbiKWPaE (ORCPT ); Wed, 23 Nov 2022 10:30:04 -0500 Received: from crane.ash.relay.mailchannels.net (crane.ash.relay.mailchannels.net [23.83.222.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8FE66C4B5F; Wed, 23 Nov 2022 07:29:08 -0800 (PST) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 5CB5C921989; Wed, 23 Nov 2022 15:29:05 +0000 (UTC) Received: from pdx1-sub0-mail-a306.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 62A109215A8; Wed, 23 Nov 2022 15:29:04 +0000 (UTC) ARC-Seal: i=1; s=arc-2022; d=mailchannels.net; t=1669217344; a=rsa-sha256; cv=none; b=6TW77D8Ar+SeO6vesgbCSPdzBQ7D2R0FKH7bxJXtSZY5R8jjk6rJ7HMXoBvo6p2gS6mENq bte6P37T0JeFR9kNmEOFTfmciHaCYw8J6k3uziatZRwbAR8Fv8rrIPok6Ag3NITqXGfKTW 0kLJ57oJ3ei8Sp1nUYVz2y9SWpJ2Vs7qLm0rDsdTCSiE3ZCANpygMSMGHQ02epRiqoqkld FhR3AsWdLrE8bcBywDeug8GO404oURXCQxsxel6QoXqvPIu9dG4+TM1yBEpBZyBAmxd+g+ k2ljlb/HreNiANr/l4D1bwFOojjcazrK0SURo7alKsVPS8zo8tnPPFWQ+xveLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1669217344; h=from:from: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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=sGvRTBGDTkBsnA1+bVPHCS1GTnaqg1DEaasrICdNkt0=; b=loHbejB12ouufdZUXF2Giv3hJ3OrQs1PdWmi4OehcWQ7iJ/9STJAl5gUAmnLWwHL0yqyko w3C24fi3NbdcZe1bqXsLiK7yCQ8veZmv5HnJM0nlIB6IGyeB2kU1Xdq3tx8+NM+3eybXqA gT1E4p0ESs707HYdX+/aRkywowC2LQFN138OadJc9cQSq+G4hjltm3eA+mO8xzmdEGfiDe zStMarlMErsK9hD/Hys9/HVp4vCKRTF3bctZLYt8UKPqozgX565HN70JMfpiPQYZeBDDvk Tq6Buv7kTExYN53e+tjugLSMG1Ls/tcY0dOQkaSeYhGN0W0I2rIJDYvkNMWdcQ== ARC-Authentication-Results: i=1; rspamd-64c57ffbcf-j2d44; auth=pass smtp.auth=dreamhost smtp.mailfrom=siddhesh@gotplt.org X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Absorbed-Decisive: 01c853c271ab01f2_1669217344831_2421916507 X-MC-Loop-Signature: 1669217344831:2788001007 X-MC-Ingress-Time: 1669217344831 Received: from pdx1-sub0-mail-a306.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.116.179.81 (trex/6.7.1); Wed, 23 Nov 2022 15:29:04 +0000 Received: from [192.168.0.182] (bras-base-toroon4834w-grc-23-76-68-24-147.dsl.bell.ca [76.68.24.147]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a306.dreamhost.com (Postfix) with ESMTPSA id 4NHQ5V3qF0z81; Wed, 23 Nov 2022 07:29:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gotplt.org; s=dreamhost; t=1669217344; bh=sGvRTBGDTkBsnA1+bVPHCS1GTnaqg1DEaasrICdNkt0=; h=Date:Subject:To:Cc:From:Content-Type:Content-Transfer-Encoding; b=QExHXNZfe/T1hLFwa3wUEl72oNFOLGLjJc4j7xnnMWQha9tS9ihTYizhmrx6aS8cr SvDcTY0G4BaELr+hzwYmoN1xIMiddgy34AKUAZBm7/+1Yo1QsoM3Pj0zReZa1Qg87Z xTENwZNzUpM0Jmg0k+ain/kzruGmW48HzaP8DSnc/u3NV0z1Kdhf6lbjlAy6fByLsf dc4pfQeyxdfnMjKntvrxrKzlRnHnEu4L941coBob1o3Fy16pDL1ffCH2LznufL07z1 bf3NzggJKtGjyre854J00wpEkOc9yLKkVGiKhiRjO4NTneChOmB7SUNWbh+zrDjnW2 Os6cRHArEzWrQ== Message-ID: <706f23a9-8798-b8b3-2934-c4b56ab34058@gotplt.org> Date: Wed, 23 Nov 2022 10:29:01 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Subject: Re: [PATCH 4/4] fortify: Use __builtin_dynamic_object_size() when available Content-Language: en-US To: Kees Cook Cc: linux-hardening@vger.kernel.org, Miguel Ojeda , Arnd Bergmann , Nick Desaulniers , Nathan Chancellor , Tom Rix , llvm@lists.linux.dev, Juergen Gross , Boris Ostrovsky , linux-kernel@vger.kernel.org References: <20220920192202.190793-1-keescook@chromium.org> <20220920192202.190793-5-keescook@chromium.org> <0da67f73-dd73-7e6d-74c2-14aec5d79902@gotplt.org> <202211222113.10003CF8FD@keescook> From: Siddhesh Poyarekar In-Reply-To: <202211222113.10003CF8FD@keescook> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022-11-23 00:15, Kees Cook wrote: > Yeah, it depended on a bunch of various clean-ups, which have finally > managed to land. It's late enough in the devel cycle that I suspect I > will hold this one back until after the merge window and then make sure > it has plenty of time to bake in -next. If the rest of the patches > continue to behave, I may change my mind... :) OK, thanks for responding! Sid