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 D81CDC433F5 for ; Wed, 13 Apr 2022 14:42:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236232AbiDMOpO (ORCPT ); Wed, 13 Apr 2022 10:45:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236223AbiDMOpM (ORCPT ); Wed, 13 Apr 2022 10:45:12 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E51F262C90; Wed, 13 Apr 2022 07:42:50 -0700 (PDT) Received: from kwepemi500020.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4KdldR25y4zgYfZ; Wed, 13 Apr 2022 22:40:59 +0800 (CST) Received: from kwepemm600015.china.huawei.com (7.193.23.52) by kwepemi500020.china.huawei.com (7.221.188.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 13 Apr 2022 22:42:48 +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; Wed, 13 Apr 2022 22:42:47 +0800 Message-ID: Date: Wed, 13 Apr 2022 22:42:47 +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 -next 0/2] fix nfsv4 bugs of opening with O_ACCMODE flag To: Lyu Tao , Trond Myklebust , "anna@kernel.org" , "bjschuma@netapp.com" CC: "linux-nfs@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "liuyongqiang13@huawei.com" , "yi.zhang@huawei.com" , "zhangxiaoxu5@huawei.com" References: <20220329113208.2466000-1-chenxiaosong2@huawei.com> <68b65889-3b2c-fb72-a0a8-d0afc15a03e0@huawei.com> <0b6546f7-8a04-9d6e-50c3-483c8a1a6591@huawei.com> <3ee78045f18b4932b1651de776ee73c4@epfl.ch> From: "chenxiaosong (A)" In-Reply-To: <3ee78045f18b4932b1651de776ee73c4@epfl.ch> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.52] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) 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 2022/4/13 22:16, Lyu Tao 写道: > Got it. Thanks! > > > By the way, is this bug related to commit ac795161c936? Or have you > tested NFS using your PoC on the version only with commit ab0fc21bc710 > (without commit ac795161c936). > > > Best, > > Tao > I am also confused ac795161c936 ("NFSv4: Handle case where the lookup of a directory fails"), this bug reported by you is not related it, I don't know why Trond create this patch.