From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1403C433E1 for ; Mon, 1 Jun 2020 05:48:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD6C720872 for ; Mon, 1 Jun 2020 05:48:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="P8xRdqxh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727096AbgFAFsS (ORCPT ); Mon, 1 Jun 2020 01:48:18 -0400 Received: from mout.web.de ([212.227.15.3]:59209 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726165AbgFAFsP (ORCPT ); Mon, 1 Jun 2020 01:48:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1590990482; bh=3NfdEOcEuVpzHL9fLwQi+w0me4LqMXjJFSJdC/uf5L8=; h=X-UI-Sender-Class:Subject:From:To:Cc:References:Date:In-Reply-To; b=P8xRdqxh7FvbjIqH42zo0uh9RUAyxSKyEWdW+qB9YcXiVLayEkeXX6lYeAJUxo3Ix IHwWu9A9H7+iUO28kcQlqC9e2a3jtV486zB4QElI/R+t7lejocYzB+NzQaDcW1Ehbv XcpdBVWUfTtqi6leL94kDoNDdE3OgNJjlTFXEfwU= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.133.32]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MYw31-1jTLNp0J8t-00VgDQ; Mon, 01 Jun 2020 07:48:02 +0200 Subject: Re: [2/2] Coccinelle: memdup_user: Extending data processing for special tokens From: Markus Elfring 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 References: <02c75f13-ec79-f4c0-f28a-8a354ea1f6f0@web.de> Autocrypt: addr=Markus.Elfring@web.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: <02c75f13-ec79-f4c0-f28a-8a354ea1f6f0@web.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:IqoQ5dImrO129UCFy2lJjRF+bn2zNZpg52mE0au73MyJnd+8WNb nQYKpxbfZXHbE9NMzWf6G5xZ3YM5cpZvwL8USfURxSHvMOk1OYeYPPdY2nMKI8mrxRRMurX 7n7ALMbGcm2oA5jfoaMJ6tXT4AAbD4NgNFpbeahbEml5dXcdiEFxffz+xJpUDDBwm0coEve 9bWrcjobqSA2hzRw5Xp9g== X-UI-Out-Filterresults: notjunk:1;V03:K0:MEQ4ZoR97/E=:89/TNEFVVwGZjvN9ZHHTDG 7pl2dFFVfDgQhkZWyGwCYghDyGUd7iF6bv8AIjUlnu2WXXZ8AC4/XJZR2iFhB3FW/YJo8Xzj3 mwoNNL3/ZDo1GuavFEhtVRBwIfsocDxDXZrAsUobfoJXDygL7lPYMcqWZk09J4opKPzboz3oD /sJ3pkYiCm8WVhL8xamOwbyOcV/JIvlyj8orLL0elAMTHhFTGzIttQbjA5WtzX9/+LDX4JZ3z xUpxjNMdQ4siLPqyW8my4Ig6kxaHESS6/y0GpezzF++W4oN/+ODXGiRnHceZuze5NXmBRx3K4 yDI5Qcd0PXdOJVKrQsZpHnyHc9Nvr9DWhw9Q9aPIU9mcUbGa3Y5jSDvYx+cE+o849CLku0eyU Vrxd9jtSlIrcopofICaq2uPnogO5yzBlhwoiKcYD2Ys8M9t9/PON6YWpU/bq3a7EEREr30QZy ETwrsbNQRulhOsTtjkuOf+EgC5nsHwsq9DyicT3Y9h4ibGKbUng9ypJEVHZbdoDKCvj1tMH/X +zoQrJB84oeR6pnnDeHt2/mj7tmj2NB7Ku8BwJf9eLS1631djYnVgJsSgPfoCxfk+rgKkMiY1 7r14y4ekWJdQuY2yN7B3CE8aIKvyDF0jmtAy/wc7cDet6E3HOC5/AbiRBKO+L2EjYiJG8TvwA Y5XeNEJ62PEpD5nG0TnyG1q6zmOU+xPwKeV3ngTDsVyTNG/TyVPo5/09GxRgvkWXBCdNS+MmA zh30G+r6gWTbY/6ikE2f4n9MV+SDDotkG9pupf3o7/O6EtF5W3FVNsU9oEoUiuPtg/+Tl4DLJ BUIIMm1JjZZvKLXYAiRt8HIeLy+XJTjb1QXE0uKPWmfAqDeva3tcmoqGIWBmgKP5rGa5E21pw zys9GOeSTKVD6jcEUznxSeo8dDnKkxyhK/pGwfccgshE/olUWHf3vMy30leur8n6lPHvZZ/DQ 3ebN8Xu1uBn5M3r+X08vATTUICmPLrCGoLe7DCWmYd6j2nK8HCbtlaDTNRac6rk7kw58eH8qL U7osNA3MHLEsdPw/yhyh8bo99RrLF/bB7YrayctLlDunag0m9INfj+BHUUcBpah2Q7Dp4yd/S QjtXshxVp3xl/jj5TYlNKk3JrdxrjBkP1BEy6Bb6R58Y4ux7rlULgbX/a0Zz/shvZ4ut6Vy7g jXb4x0qv2Y6BRV4jJ4halGA5pH7UMh/Q+rbS3Zub9mJt9tbtkRhfWN40m5dV39D3t8abtcHDa AEwK6VRcfFGjlJiuf Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Unfortunately, the Coccinelle software does not like the following > SmPL code variant so far. > > to =3D > ( > - \( kmalloc \| kzalloc \) > + memdup_user > | > - \( kvmalloc \| kvzalloc \) > + vmemdup_user > ) > ( > - size, \( GFP_KERNEL \| GFP_USER \) > + from, size > ); > > > Message: > 25: no available token to attach to I have adjusted a bit of OCaml source code. Thus I could see where such information was provided. https://github.com/coccinelle/coccinelle/blob/7cf2c23e64066d5249a64a316cc5= 347831f7a63f/parsing_cocci/insert_plus.ml#L1041 =E2=80=A6 | (((infop,count,pcode) as p) :: ps) as all -> (* =E2=80=A6 modifications. for the moment, we thus give an error, asking the user to rewrite the semantic patch. *) if greater_than_end infop infom1 || is_minus m1 || !empty_isos =E2=80=A6 Will the referenced comment get any more software development attention? Regards, Markus