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[23.128.96.18]) by mx.google.com with ESMTP id be3si4392630edb.179.2020.06.23.02.47.57; Tue, 23 Jun 2020 02:48:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b="FYSS/gEY"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732189AbgFWJnS (ORCPT + 99 others); Tue, 23 Jun 2020 05:43:18 -0400 Received: from mout.web.de ([212.227.15.4]:55107 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731944AbgFWJnS (ORCPT ); Tue, 23 Jun 2020 05:43:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1592905359; bh=xHb59Ik5mAbrqdY1zcG1yB/bqUHWlNrxdtT4MivxF94=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=FYSS/gEYpgENWyDltRdkuIpfv5bECdYKDpWA1AGzry2NJqDphTFpdw61u7dQoC03L ceJvFy1ypF42JgvnlKyCbgyQl6KpNz1ufTyf+ARKkhE6zDVcy8ePDAxLghtVtuTWYw 5qiViykkdoC+RPqkyc51o+LtynPlcCbtZiK35kwI= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.105.198]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1Mw9x2-1ixlBT0uG4-00s8d3; Tue, 23 Jun 2020 11:42:39 +0200 Subject: Re: [v4] coccinelle: misc: add array_size_dup script to detect missed overflow checks To: Julia Lawall , Denis Efremov , Coccinelle Cc: Gilles Muller , Masahiro Yamada , Michal Marek , Nicolas Palix , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, "Gustavo A. R. Silva" , Kees Cook References: <4014118b-90a6-68c5-048f-32485fa3e852@web.de> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: <6b9a8459-3b32-8d8d-596e-203a33d2982a@web.de> Date: Tue, 23 Jun 2020 11:42:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB X-Provags-ID: V03:K1:R1rTZTwCVRzznbsMQsIQbsQdJhxnVNlX5lqnP0G5vzbwXyYYM7k gDXdYBz8tTwavjHaaO0lx88s9A8DMolaIyo2Wli6yXP2Y5/eZBdCRSh/p9c15BUf64Co+Ju NLtaHp9kC9ld7Cu2AV9tmeBiq46k2PqwIIzWQL7Rew44Gd2vTHALc56MNnLnY/RoObRLtU1 o4WKC+X1Txh7mDwER0xxw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:aHp7Q9qGsxM=:ZLSOw3ASD5UGnVYR3L85l0 a/IcjvzbH+35VxIb1giDWq5e+uxMNlh9lT+auuKYRJ5Fx9Ev9OgTDOhIjfgfgCproyOPZlunE ItqinalIOUP0FMVg/dik1n/OuXb6ZF5oGC8Ws1uMCpfAGzzwWxKId/9ZCcsEFC1HYbMNqeH90 GSGDyk7nEiVitrdT6w5pe470H3XRZRGaFJ5rnCFqCPK619RR0A819oitkcEAQEqgZ5pVuJccM dKPAF9QEdnW+Lpti/PTSzh4xrqRJOXbtCOkR2vghVoWRKFY2YP6kt+mS3dS+thPG27Afdcc49 7+uctYH7njcZ95GXB0oFIbnyUY/p7M7IqmBXgOYtyFxg5PjKv1NpF5w4+UoCawQZXwSlhb4Y8 rvUQ5WVX9ky/MMsiv+KW+ODrFbap1yKCnXEy1/jZaLVGdtdwKcqfSDK7GzM2ljfxRInWYmT3w Vp0WVrYkjAAUIrJ2IZoX28CEJbX8ud0us2A1QdguNJWqczgjPQxTjBRjvr4p+w4Yry80pSMiD PCAkDcZHCbdVIFmS6AJYooFqjk6zPk9Ej9LokQXvS6mkxvBGHSIFO9YOzqM1AHfzo1OLFagg2 b+q3TYjjvqh3X91PNnsnz4pWBbCzI/d1K9ZG2KIjsPYzG90TTNjNdzbAefv/kUxQQWWmuWUzQ dbVLz2SfIc0J29R43hRWHLEB5IDwFpG0aLgTaWdJJrLDYV//dZAXg2rbJCsrqEq7mGsesOncw i7rBLsajncPjk/IQt0d/hcpAkCWBS8/PfRO/CluAyjxH/sN07bHtg67R4ItIBWKzuR00AV2Aa d10f9svYrRK9rvGs/vFSTCU9VfIATLmILVzqZPCBCkUk04lOMGoUq4FRzTAfSi3szwnMNqhM1 LxoUrZZpNa9lNXwzEXbouLHQInJ6N46xrTQ4P1Pl4uGtqtFDv6HSpYEuij32jco4m6Irs4Oiu WDjGRHZ2x6cp3s350YrYiSmKfP8JHm8xmTUR+GeKAVglsS7M2Oty7K9GyM/O2/yJdhwCaCIqR CgBDWqm3J5Q5Ti//V48It6AYiyFxbiIw+TLmGo/3kdNi4H6cb7GjuoQajFEIVsxMAwU1sIkvM q5OsJ8m/aWz4EmlcxQaUvwKFQkjsXEaTY5s1AWbBn2GrYHoKALHJ+xlOuoWoC6ZoU92MrIWJQ Qy7kzpAWRdQLl1KS78eNn79NgUb9ssRjWI5A4X9qfRpnysPk+wD5U2IIjF3Yax3Jq6MjzA6uQ XyJ6V7aRAnvdqL33e Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I don't agree with any of these comments. Would we like to clarify each of the disagreements in more detail for a more constructive patch review? Regards, Markus