From patchwork Tue Mar 29 11:32:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChenXiaoSong X-Patchwork-Id: 12794676 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 D19DFC433F5 for ; Tue, 29 Mar 2022 11:17:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235638AbiC2LTT (ORCPT ); Tue, 29 Mar 2022 07:19:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235131AbiC2LTR (ORCPT ); Tue, 29 Mar 2022 07:19:17 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BC004D273; Tue, 29 Mar 2022 04:17:33 -0700 (PDT) Received: from kwepemi500013.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4KSRkw359WzBrgQ; Tue, 29 Mar 2022 19:13:28 +0800 (CST) Received: from kwepemm600015.china.huawei.com (7.193.23.52) by kwepemi500013.china.huawei.com (7.221.188.120) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 29 Mar 2022 19:17:30 +0800 Received: from huawei.com (10.175.127.227) 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 15.1.2308.21; Tue, 29 Mar 2022 19:17:29 +0800 From: ChenXiaoSong To: , , CC: , , , , , , Subject: [PATCH -next 0/2] fix nfsv4 bugs of opening with O_ACCMODE flag Date: Tue, 29 Mar 2022 19:32:06 +0800 Message-ID: <20220329113208.2466000-1-chenxiaosong2@huawei.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600015.china.huawei.com (7.193.23.52) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org This series fixes following bugs: When lseek() a file secondly opened with O_ACCMODE|O_DIRECT flags, nfs4_valid_open_stateid() will dereference NULL nfs4_state. open() with O_ACCMODE|O_DIRECT flags secondly will fail. ChenXiaoSong (2): Revert "NFSv4: Handle the special Linux file open access mode" NFSv4: fix open failure with O_ACCMODE flag fs/nfs/dir.c | 10 ---------- fs/nfs/inode.c | 1 - fs/nfs/internal.h | 10 ++++++++++ fs/nfs/nfs4file.c | 6 ++++-- 4 files changed, 14 insertions(+), 13 deletions(-)