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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74C28E74911 for ; Mon, 2 Oct 2023 19:06:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229482AbjJBTGb (ORCPT ); Mon, 2 Oct 2023 15:06:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238737AbjJBTG2 (ORCPT ); Mon, 2 Oct 2023 15:06:28 -0400 Received: from omta38.uswest2.a.cloudfilter.net (omta38.uswest2.a.cloudfilter.net [35.89.44.37]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BE0DE3 for ; Mon, 2 Oct 2023 12:06:25 -0700 (PDT) Received: from eig-obgw-6007a.ext.cloudfilter.net ([10.0.30.247]) by cmsmtp with ESMTP id nMWHqi8ZsytxcnOFMq6oMW; Mon, 02 Oct 2023 19:06:24 +0000 Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with ESMTPS id nOFLqdaDkl3uanOFLqzIsw; Mon, 02 Oct 2023 19:06:24 +0000 X-Authority-Analysis: v=2.4 cv=B4yqbchM c=1 sm=1 tr=0 ts=651b14b0 a=1YbLdUo/zbTtOZ3uB5T3HA==:117 a=Dx1Zrv+1i3YEdDUMOX3koA==:17 a=OWjo9vPv0XrRhIrVQ50Ab3nP57M=:19 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=IkcTkHD0fZMA:10 a=bhdUkHdE2iEA:10 a=wYkD_t78qR0A:10 a=VwQbUJbxAAAA:8 a=nVEl-0sjCtjp5Y-AIcoA:9 a=QEXdDO2ut3YA:10 a=AjGcO6oz07-iQ99wixmX:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=embeddedor.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=X4e+5MdOuAxyi1+BhwS40SNlhSsKv6QuIxy7lXc9Mlk=; b=BADl0hdVjaox9SM9t9ZEc0DN0f AR6YR/t/fvSb31WnWzZ0o0X+I9lzg0+7knj1LAuFD1Rn2RC96A0fFIrkAVrYgSe3jhirvy5F9fEQP MkSfhLaUoDM+6dtjdQvf5WeVRefXeDDU2muukX3ikalynfFHfbCRVcbcOS99/P0OUGHHAlRnPe+FW gG665kE1edNnxrVqUhpVIzFTguU0GbAe35a1aBlFkHbTLBTYNYErhyMoXf0mltKJoh2Isi7/sDXfR 66TY9IhSdySSUMrzwx+RzY+vsKoCWhoOXrIzuikuG0unyXaW6Lg2AQbgZkjStWx2fPXLLt6oAtN2N NSm/waDQ==; Received: from 94-238-9-39.abo.bbox.fr ([94.238.9.39]:54352 helo=[192.168.1.98]) by gator4166.hostgator.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1qnOFL-003sIs-0L; Mon, 02 Oct 2023 14:06:23 -0500 Message-ID: <446f6c02-a914-cc00-2dea-478fbed898c6@embeddedor.com> Date: Mon, 2 Oct 2023 21:06:20 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH][next] PCI/P2PDMA: Fix undefined behavior bug in struct pci_p2pdma_pagemap Content-Language: en-US To: Logan Gunthorpe , "Gustavo A. R. Silva" , Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org References: <29da763d-1570-7197-2d5a-03c5659b8b52@deltatee.com> <734c7fdf-4c41-2890-dbe7-ddb23fd6bcc7@embeddedor.com> From: "Gustavo A. R. Silva" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 94.238.9.39 X-Source-L: No X-Exim-ID: 1qnOFL-003sIs-0L X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 94-238-9-39.abo.bbox.fr ([192.168.1.98]) [94.238.9.39]:54352 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 3 X-Org: HG=hgshared;ORG=hostgator; X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfCSXwD8Bs5q+GGpoiqH5LrpHNIge5ttHRUkc1fNGBvJYGX8GS/sQ257cEnEUvOoOrh3twtJA7aOeQiFOKpJQzOG6zqiqf32AZZwRtJY4EMPhX6hbPFrd WUGy5ho9z2gXXOZrc50fcHoi1ZHWoZwRUXkoFWqr3jZ7I+zMzwGyoRTlUAmXkGo6Kqi5q+uigzXQr2RGc+O9V4bCtTvKScGgKio= Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org > > Yes, but the commit message is not clear that nr_range can never be >1 > in the code as it currently is. Done: https://lore.kernel.org/linux-hardening/ZRsUL%2FhATNruwtla@work/ Thanks! -- Gustavo