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 AEB33C433EF for ; Sat, 9 Jul 2022 03:14:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229496AbiGIDOo (ORCPT ); Fri, 8 Jul 2022 23:14:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbiGIDOm (ORCPT ); Fri, 8 Jul 2022 23:14:42 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCCEF5E310 for ; Fri, 8 Jul 2022 20:14:40 -0700 (PDT) Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4LfwGM6bg6zFq0P; Sat, 9 Jul 2022 11:13:47 +0800 (CST) Received: from kwepemm600015.china.huawei.com (7.193.23.52) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 9 Jul 2022 11:14:38 +0800 Received: from [10.174.176.52] (10.174.176.52) by kwepemm600015.china.huawei.com (7.193.23.52) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 9 Jul 2022 11:14:37 +0800 Message-ID: Date: Sat, 9 Jul 2022 11:14:36 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 Subject: Re: [PATCH v2] ntfs: fix use-after-free in ntfs_ucsncmp() To: Hawkins Jiawei CC: , , , , , , , <18801353760@163.com>, , , References: <20220707105329.4020708-1-chenxiaosong2@huawei.com> <20220709005450.2220-1-yin31149@gmail.com> From: "chenxiaosong (A)" In-Reply-To: <20220709005450.2220-1-yin31149@gmail.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.52] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600015.china.huawei.com (7.193.23.52) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022/7/9 8:54, Hawkins Jiawei 写道:> In my opinion, name_length field just means the number of characters, > yet each character is a ntfschar type. So name should be > name_length * sizeof(ntfschar) bytes. The example is at > https://elixir.bootlin.com/linux/v5.19-rc5/source/fs/ntfs/attrib.c#L1667 Yes, thank you for your reply, I will send v3 patch.