Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp240400ybg; Sun, 31 May 2020 23:27:43 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz2bI2ncr8FUo+/q1WFWGl92NZbpU2fUK8I7Pys9N+fqxnDEH7kuDA3zP11b71Ksm4nlZhW X-Received: by 2002:a50:a418:: with SMTP id u24mr9825024edb.141.1590992863362; Sun, 31 May 2020 23:27:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590992863; cv=none; d=google.com; s=arc-20160816; b=yB83s1x1TdPB7jU4Edv24l6fX+MMIOgjEHfQMMRlkcdDTsbK6xFDN+E8rk88kRtbg7 kUIUdbl9BGiPlEaazA/E/OFsykGoao/Mn2vNLAFJNP3g9PsgPdluTZaUi1SZgNmr25C7 uevQB6jxeeQyPFqJ64U4ni5d2e4Ekw3S7FzLHN3I7cLj9FNSVp1a5h7d6I7VqySWek86 mc+PO9V1hbTOumqlVgrOyZPXBFk0iQ5NoEMdcdHb2gYeHwSZvoJo8YnH/W9GE/PypRkV 6OcuP69Fz3NIaG47Jn6FJ1aY9PDnat7xLo59+vOWngp27MAGOfynitV5G3VxGkDgSlpX 90nA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:mime-version:user-agent:date:message-id:autocrypt :from:subject:cc:to:dkim-signature; bh=uOU7Noevi/YPNvnr9oiQ0t+dqo+o1yvmZLEIDtl8FnY=; b=GJ/Wf6TD46NNTGW1T72lAtp6KyNkpcJL+w258X/7hzE1qd++Bfqz0VF5GE7p12G2O6 bZbI4x2UnOVRXaeZPnOhfha1sqUioh2de45YWEPYpjOhvjy6UkntNyBRnVlULixOEvV6 ZEeyE8RnXhaXsnyw2BMbkyZEu7MXSOqagN/J7yq1pjuxQytYaXNIdfRp+LaQRwEcG6oX UB59hfIDutYwUT+CoTltNg+GIuR8WztskTmQYdAc7ZelOLTnVk3Q+KZ8kxGqznkfSijW sbHlbnpZCq6dBgkHAkbLZ8XpYRhEd7OGFtTddEQM1WwEBkEkxSmCw4dU7XMOg86VOuJ/ 54lQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=ns58LOtM; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f18si5448641ejx.476.2020.05.31.23.27.21; Sun, 31 May 2020 23:27:43 -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=ns58LOtM; 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 S1728084AbgFAGYx (ORCPT + 99 others); Mon, 1 Jun 2020 02:24:53 -0400 Received: from mout.web.de ([212.227.15.4]:50853 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725972AbgFAGYw (ORCPT ); Mon, 1 Jun 2020 02:24:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1590992682; bh=Ak+Px/5HEJXfJ/lE5xEC2iR5TdWHacf3Il39+e8DwxA=; h=X-UI-Sender-Class:To:Cc:Subject:From:Date; b=ns58LOtMMf0kPD+Z0uPPvOG377CXZoE2ECVLxXzPY/dezZdiCxglPto/yMWV/YtYK eh9AZdu0mFnvr9aMneoo28E1/RfCbAYInZ2ig/I6n8QMrcz8nXK9h5GRyV/XzqrMFM oGLiGnK/4acFmImCR9qFsQjKKgxFgBoBbetZ4bHo= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.133.32]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1M5Qq9-1jeoOd2m9d-001SDi; Mon, 01 Jun 2020 08:24:42 +0200 To: Denis Efremov , Gilles Muller , Julia Lawall , Masahiro Yamada , Michal Marek , Nicolas Palix , Coccinelle Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Joe Perches Subject: Re: [PATCH 2/2] Coccinelle: extend memdup_user rule with vmemdup_user() 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: <273990e2-f289-905f-2930-725540857c67@web.de> Date: Mon, 1 Jun 2020 08:24:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:uJXpoaBZnAHhSbVc2pcAmpLqH94Icrl3JMRWVPulxEGURZA7JvP ARk6ALy5ZHu6wHdmgdEAC1YTSVGzMocVJxzZoZui6sP1JM3XL4FJ4tAxA7kbF4F+SvqZ1CB xZQWzt7aOjvtEZmEVeoW54vPdt7dWUb1KwWduKJ2tQG3UcV8pddy4/w0B+NFI181wDbEfRm JNJ/KWzi1DsQTugX67W5Q== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:oNIbB36nRgg=:XyUYnNoD3lg09w5Q75R3MQ TjlvNz/l+/FzGe9ZSjAqp6BdBFJ23RCMgsXDuDEZqwwIaYQRYGzijR+BjYMLFgFoI7982Lpa8 DWV0wH9EQAvPDxgZdaPGbYdhYjXenbavnVy3KpXDFasVTfM9Fm92XnPJxqxu18Gyn/5hzhGqD lTC/pmaItVaMBCUZBuFqXKoQtRXnTfSr+kMvTTNVHmZg++PoUGw6aL35oYRGP3vLKyLi8HXLV Fot4XGvjf2HPJ/Sh/cLUvjuD7yJIXUsva57+BvG1Dx+esNHu/Sf8gpYbg1NhdQxBLWgDt/T4c 61+13amjCTsEpDOoU3OxRlAWzHbpJniopoh8T4EFiMVQBCAwFH+ouOKBYYujYTnvemVpzKLVH M/Rea+MSIC5yWlvj05Jzfd2u75Q2xQpC9lM/WmC7Js7D48pg0i79RXRl1k0KtPQKXM8S8WtYU cpbm6EXU9Tij6I34E3fHRRZW/P1N2fLY7QjGDP7ELQM9Uz8ETuqV8TxnVTPw6yhSQd3cvs9VK eGRuvH6B9tpBZYQ4ASN/j+00T6/lrr+o2Ki6n2pBqhKPFwvqOZAHLMQqOzYTHyxIi2lMCPz5h QBR+7TDAjDXbZCpCbPl2qcj3XpmPCf0rUudj6FDtd6IAldyjrvSIZZs2kPnvy2b6IdqDA22NX CEMsV2u3rA5tX2pOyk9CrEKUdeHbrnkNVqpmyks/SNstFtBTSBW1RsN8gEMDCPnLfKDoDPvYv VbE+D8DWvdt0qHtGkzmB0YVSvOnFMUZuswbxYHEFU8l9DXJhzp80Za+YwMgWcoe0NzBQ4ykIj ZSeA7Fxm5qn7rG0rETdtePuFCBxp7HtoAN1LYWMupU5u0p4lCnBUj2j8IHPwhSjxcAUJrKzg/ Z1Kc28brs5JY4HL9eo0TJZEYZXZlSOKplTxQ60NliENEF9n5CnSH6Lo9H9D+gqMhhmz2X9HSY 0fO5DMsK8tuyT4fxNo67vYMKUpghWXCiLbZ7pAohHwLU2YGueJMmUCDOpCDIg5abOW/HC0/29 OsgyJfGmDa452K5Ih3qandj497eWr6Y8tWd+hz6sLV47rK+H0hp4K4POcKophHP43XBOUkO0J rR502pop9wagnB48Kv8/E99kuFzhTwBEU6oRMx8YzDYPVeCe8azReHGGRP5On9s8tFnyCoA2u U7m0LiAK+Hqy8ub56xfo509HQL65HwaZ+HBYcdByY2hjPUtxJBXXr5rgCQUrBGaiVV04i0zwQ c+vJNlo9SbSxahxc5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > +@rv depends on !patch@ > +expression from,to,size; > +position p; > +statement S1,S2; > +@@ > + > +* to =3D \(kvmalloc@p\|kvzalloc@p\)(size,\(GFP_KERNEL\|GFP_USER\)); > + if (to=3D=3DNULL || ...) S1 > + if (copy_from_user(to, from, size) !=3D 0) > + S2 How does the SmPL asterisk functionality fit to the operation modes =E2=80=9Corg=E2=80=9D and =E2=80=9Creport=E2=80=9D? > +@script:python depends on org && r@ I find the modification of SmPL rule dependencies also interesting. Are these specifications really required? Regards, Markus