Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp2266077ybi; Thu, 18 Jul 2019 05:55:46 -0700 (PDT) X-Google-Smtp-Source: APXvYqyxdgdEg9e1HCrfRIXnYPKtW1MTI8EoTDfm5IMdd9HQfpRBnKX3iVpsnhAlO4bb7FCQZiZe X-Received: by 2002:a63:b46:: with SMTP id a6mr37199867pgl.235.1563454546397; Thu, 18 Jul 2019 05:55:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563454546; cv=none; d=google.com; s=arc-20160816; b=QtAV+1H6n8D4yMJZbqU9KpK7Pmr5L6vVnPqrZ8wuMAxXZADMlaOhPyVj3KuPEEeQ4R SfXqzewRtdps2VGAyNAGZoy7rfVoRc0hLiEsBivNViI67GOvDeC6F/8wDD5b/3HCny3J eCuPflhGg3WdV9wjMUK59cso/6ekUPdpg1czMrPJPW27JDX4Q9QNO+pDHeulSzvl9uSX V2ztqMLVMC7qpbx0Esqt+81Gvi78GfaWBOuocvfDAedwquCIOm32yLmnANtN7sN7nJ7R M2pPNvEqomMapaOKOvGm6PRu0DBQ7/y501R9w1EvJ/fPbVHgA70TAt5EoQ1fw5mHb2X0 JGQQ== 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:in-reply-to:mime-version:user-agent:date :message-id:autocrypt:openpgp:from:references:cc:to:subject :dkim-signature; bh=Pr3yCBSMC/eDqRyfZblnMBsouognLzOFVijXQGgUyBw=; b=rQSVJNnjaPYpxuNXaU/nU/ZwiSN+YbMkjFus+sEy+90zSuJUYoQvl1wmPf8FhANKLl 514bstgklmD4KVswHKkUAmLYCU4QTXy3Y88+H0npmtAIjXWDycI28lgYvRgothoSZlju nTQEktONVNtz2FKpu9feYocXXQiq34jl4o4i8qGef9kiIhysarMDAV2t/kUCGfmo/W3l HW4Fiaj+eMJRs4bBit6/a8PkItQ2xp9F+PSeQ7Te2slGXQxRCaO/FEO5WnsJ2XN21Yql Df9T0n8TcNWkeaslXo+8p51thtEA74Hcp8DSB7eD+J5dYlrK25ZRp9CdWuVOe+801VtT ZVkQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=cqxvM325; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j18si527946pgb.60.2019.07.18.05.55.29; Thu, 18 Jul 2019 05:55:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=cqxvM325; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390272AbfGRMzL (ORCPT + 99 others); Thu, 18 Jul 2019 08:55:11 -0400 Received: from mout.web.de ([212.227.17.11]:60955 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726715AbfGRMzJ (ORCPT ); Thu, 18 Jul 2019 08:55:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1563454477; bh=Pr3yCBSMC/eDqRyfZblnMBsouognLzOFVijXQGgUyBw=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=cqxvM325SCT09tSlos8rGwoIVqpPJs6grfbLs8DPNNZ+9T0F8girIZNtCzkj+aeOm E379q3meW573mU+8Awsuqo/fQa17Z07x0F7JC5jCVHN/RRVtwUPGlpPuuAjIM4iclH 7MBbWJcqTC4prEzw2Vot5J31tan+XpHj41TV3f+o= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.48.59.79]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MFt4k-1hcWgl0C06-00EyiR; Thu, 18 Jul 2019 14:54:37 +0200 Subject: =?UTF-8?Q?Re=3a_=5bv3=5d_Coccinelle=3a_semantic_code_search_for_?= =?UTF-8?B?4oCcdXNlIGFmdGVyIOKApuKAnQ==?= To: Wen Yang , cocci@systeme.lip6.fr, kernel-janitors@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Xue Zhihong , Yi Wang , Cheng Shengyu , Julia Lawall , Gilles Muller , Nicolas Palix , Michal Marek , Masahiro Yamada , Wen Yang References: <1563246347-7803-1-git-send-email-wen.yang99@zte.com.cn> From: Markus Elfring Openpgp: preference=signencrypt 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: Date: Thu, 18 Jul 2019 14:54:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1563246347-7803-1-git-send-email-wen.yang99@zte.com.cn> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:gYGXOdPpFlCXP0jDk5J3KYJyJRwJLG/fOvaS8+TggfZMJocRCdU 1ApSWshMyc5f8UXo3P5Zdbt3sU6TTW8Nn7O7o9gK099DSALBaCzE4AI9xjyDVJrBel1upRc 826xAQ3VpjP9FzWczq2kXxXzSc3TdspPrTevWK5YBGWjIcZpicTYalv14s9EqfbYqjzlszl 1haqQPxbvmshXVn9o3EtA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:hLRkVc+TU2g=:atdp2aJV4yeOcdlzFETyAx H3nA2NOft9kbQckg8oYOS6ABL15/zaGy1kOK6L7Gs1kyhAHLobnBc/F5URPpThn8M7WuLKwoK jfM8sBoiZcuBQtz49rn0KSZjvC4k0rXuTkzdBcZBW09+6Ra44SgL4x2tHYZ3osaIp8dfkJ2ZL UjoLsIgh89+7yD5GGlYZWBeFDQwvVw2w032PfJQcmVMzuXaVlHM4m80zfnU2TjsrDSKAVYwmi V2XdqcbfDGdoa9qce9zaGOFuYGIOjl8XbYnBhzXimLh+2G3wovc53dn3Lyrmd5Skj5kFWtcTn rVRpw+hwcc7t1TfoEt6lYzQFDsYxZXotzYzGtjBK7zHyH9diRbL1z5NfjgCXlLkS/sBVbhyB3 oo7c3W8iTPmYfZ6iKRtOwoPA09lD912CYsIEzbpxPAqlVH+Y1m7q1zdyu9OL2pQmCiW834uSl MHlCZyOWVfrPU7n0Lq4jX0tq3dlwvOWfdSsWgGDjybuNhEVAw4QXsC2EjblFciCrxZYGU64BX 6XAjfyFOepfaEzPBtd/6bV4D1DsE49x1L8vA3a3l4PmYM4AQH0XIGlwlYMjK0MRy2EgQDPsmO naI/XRt44coTAbtlbrv+pd5Dmublvih/jUohKREdb24DYZSmzGnfZlgfDxjEKXwpWAwUqFC0a T67M34DT0GSWN7QL3uq80ihQ7fBN3AVoFfw8DPqQsy3wbzkeUNV2DA0l/EXxDDOUkwKT0z5RJ Bl4WoYp26pXU/fqP2kKkoG5zTuewBkEmw8TLtUCo0x4ETk75n8DG4BvrLNlPOQKV7COdopnXT 9A1uFsgEjojTiXbrGUo8zCzHLcchBddwcvXyKOSXE6iDoQZ3nf4eV9hX/FocmJWndphB+v5IM NrwlqrqFHmYh/lmx/DwxJsQRXRQpq5UVuLgEj9d5fOnupVdkLDkA4TaxZxmsTzRZuHFW/q70r TFc+J6KPMtX5Bd38+oXsYZKnLSX2YLtrJZ4TaLi1BK1zQBTaJ2wyrrCyttOLn0Dz7DRqNuUWI IoDnvXmhgYELLw4xfqhSYxbeHjBEztCJB3IsxbkZoRednbWCubPWRjd9S43kpOOsSlBwk8HHF p51AOrG4Hfydlpr/PSnNNyfV07jUZFxLOaC Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Finally, this patch finds use-after-free issues for a node. > (implemented by the r_use_after_put rule) I suggest to take another look also at information from a clarification at= tempt on a topic like =E2=80=9CChecking statement order for patch generation wit= h SmPL support=E2=80=9D. https://systeme.lip6.fr/pipermail/cocci/2017-September/004483.html https://lore.kernel.org/cocci/alpine.DEB.2.20.1709071519240.3168@hadrien/ Under which circumstances will it become safer to develop SmPL script vari= ants for such source code search patterns? Regards, Markus