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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 83515C433DB for ; Thu, 11 Feb 2021 12:09:34 +0000 (UTC) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C914564E79 for ; Thu, 11 Feb 2021 12:09:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C914564E79 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=cocci-bounces@systeme.lip6.fr Received: from systeme.lip6.fr (systeme.lip6.fr [132.227.104.7]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id 11BC9F4X010909; Thu, 11 Feb 2021 13:09:15 +0100 (CET) Received: from systeme.lip6.fr (systeme.lip6.fr [127.0.0.1]) by systeme.lip6.fr (Postfix) with ESMTP id 3651C77AC; Thu, 11 Feb 2021 13:09:15 +0100 (CET) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by systeme.lip6.fr (Postfix) with ESMTPS id 61F0874AF for ; Thu, 11 Feb 2021 13:09:13 +0100 (CET) Received: from mail-lj1-f169.google.com (mail-lj1-f169.google.com [209.85.208.169]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id 11BC9Ca5021780 for ; Thu, 11 Feb 2021 13:09:12 +0100 (CET) Received: by mail-lj1-f169.google.com with SMTP id v6so2421857ljh.9 for ; Thu, 11 Feb 2021 04:09:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=I8ZJxMR7FqrroVuPQaN8sXYHBVFT0NtngaOtp03NhBo=; b=ghaTeq7WWRs51jjz88Dg2BeJ+t371s4ZqCfLBg2Jr985hd1rvXS8VQgRXbSQIywz2C LsupbXgZENf1kyLlcGPrNu/cQ0fWN/huHTT2jymeE45rW0WgifkNN0yxDkVB+BHYB0sw hIJNHRs4xGHgQCNhxx9A0yloRg+ocE1qD3tdk4lFblPsNWMa8xuf7uxa2SvcBr5EhRyX 3+8mcNmLhbLnFNDaV/2fifn5geZkn4Q2pEjSxFGAcb6wObbxLIKIrS8MMt5/yiJQEmHb C1yxS2MpaDAEH24Iuthc4pvste0u0LNn5oPLE6cvhxe7Z3rlw4ovJRlpdxWbwVhXvDBg NFIg== X-Gm-Message-State: AOAM533Hz1eI8UMAtggMFO59pWV06Tzcsc3j5JNkPyHD1LKsQLh/Z6XN 51/ps9nPfmc04G+gljYBb59UwJ7O7Ckfmg== X-Google-Smtp-Source: ABdhPJxGmUsrCATKvy18b5pf5rR/VLrobDlOuACjbLYfwoAiHtDYRDfBztvUoTVx0pKzL+j0lS404w== X-Received: by 2002:a2e:5046:: with SMTP id v6mr4593978ljd.439.1613045351679; Thu, 11 Feb 2021 04:09:11 -0800 (PST) Received: from [10.68.32.147] (broadband-188-32-236-56.ip.moscow.rt.ru. [188.32.236.56]) by smtp.gmail.com with ESMTPSA id 127sm629421lfm.155.2021.02.11.04.09.10 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Feb 2021 04:09:11 -0800 (PST) To: cocci@systeme.lip6.fr From: Denis Efremov Message-ID: <0c2a01f3-e48b-fc67-78b4-f061026aec42@linux.com> Date: Thu, 11 Feb 2021 15:09:14 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 Content-Language: en-US X-Greylist: Sender IP whitelisted, Sender e-mail whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Thu, 11 Feb 2021 13:09:16 +0100 (CET) X-Greylist: Sender DNS name whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Thu, 11 Feb 2021 13:09:12 +0100 (CET) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 Subject: [Cocci] Backward compatibility issue X-BeenThere: cocci@systeme.lip6.fr X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: cocci-bounces@systeme.lip6.fr Errors-To: cocci-bounces@systeme.lip6.fr Hi, one of my patterns started to fail tests on latest coccinelle. I've bisected the commit that introduces "error". It's: commit db60e916633d2cb3ae31140364783fdf85ed10f4 "make information about SmPL iterator and declarer names available to the C parser" To reproduce the error: $ cd linux $ git checkout 5b01014759991887b1e450c9def01e58c02ab81b $ wget https://raw.githubusercontent.com/evdenis/cvehound/master/cvehound/cve/CVE-2016-9793.cocci $ spatch -D detect --cocci-file CVE-2016-9793.cocci net/core/sock.c # spatch before db60e916633d2cb3ae31140364783fdf85ed10f4 will find the match net/core/sock.c:718:16-17: ERROR: CVE-2016-9793 net/core/sock.c:754:16-17: ERROR: CVE-2016-9793 ... # spatch >= db60e916633d2cb3ae31140364783fdf85ed10f4 will not match the same code Thanks, Denis _______________________________________________ Cocci mailing list Cocci@systeme.lip6.fr https://systeme.lip6.fr/mailman/listinfo/cocci