From patchwork Fri Apr 7 05:02:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takayuki Nagata X-Patchwork-Id: 13204447 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 121E2C6FD1D for ; Fri, 7 Apr 2023 05:03:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229783AbjDGFDW (ORCPT ); Fri, 7 Apr 2023 01:03:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229610AbjDGFDW (ORCPT ); Fri, 7 Apr 2023 01:03:22 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 666669764 for ; Thu, 6 Apr 2023 22:02:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680843754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=j74kAjbPlr0rqIPcWIV2rwREeg9ibA6qAlYA9oCBCbg=; b=drZhSbdZUqekeX0IUPGY6COPAnxcOYu5j20VJY3ytmY8sPGpWtg62tkW2QiMt5p/o0Q06j NiKWuTQZSWFadqt9sxhI6Wq3be8P6FHkHz54cSOj+GMGdlvwYBFV1tTpPeCgUKzT/sBRZy NqT9+9oeK2op4CfSkqXFKp2v8Ktvf8s= Received: from mail-pj1-f72.google.com (mail-pj1-f72.google.com [209.85.216.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-260-cSzn_oNPPgSjBkfnR5o2vQ-1; Fri, 07 Apr 2023 01:02:33 -0400 X-MC-Unique: cSzn_oNPPgSjBkfnR5o2vQ-1 Received: by mail-pj1-f72.google.com with SMTP id h1-20020a17090adb8100b002465a912f50so56478pjv.1 for ; Thu, 06 Apr 2023 22:02:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680843752; h=content-transfer-encoding:cc:to:content-language:subject:from :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=j74kAjbPlr0rqIPcWIV2rwREeg9ibA6qAlYA9oCBCbg=; b=Uo6doo2ZHMWfCsp1LY+PdYlPleIDnRXjdstz61G+mlkqffQLQbKplEB3u0wAMa6cru e4p31hv9ALdKXHvbjU2Ta2xkfni2jpSf4j6p0uu2w96XynKWWAO++7sWjfHfocYHOZId VfD/irqFlCzjR27CQ7+i/xbMqzzEsQOPrfKtbIDvqtStLa0bVNS7l5khPnzswiyazXC+ HUenlT5CUhA37rC/DABW9CIPRcJ4x9e6ZxD/JGkqWlFrxiCYFvBZDwPNV3qBHdygbHFi xUvTFUYUapC7ZcO6o/A8Cxl/sBVo7opzo/SNEibfRGiGN4Eih8v52VKGk6UYK9lK+y4Z DKSQ== X-Gm-Message-State: AAQBX9cy9Y5SCTG4Nh4Vn+u45STthlm7MPAq89QYo7gSPcO4Tj8xqGQ7 pmBR5/RdDXhxRQpANXwgqNff2FiajxfxavNOBzshQxkZtJ94NG9G4+tEASU2gLIwr0RmypV86Gg UttqxK7JwIutlWELH4dtH3w== X-Received: by 2002:a17:902:f9c4:b0:1a0:5bb1:3f0b with SMTP id kz4-20020a170902f9c400b001a05bb13f0bmr1292280plb.40.1680843752195; Thu, 06 Apr 2023 22:02:32 -0700 (PDT) X-Google-Smtp-Source: AKy350ZAWRrB8CUlOk9+whX+6XP2Ofa+7G0Vci0hWp/zbv1Xg5A0r5J7QQTYTZpAtzfMNl3yFdMwRw== X-Received: by 2002:a17:902:f9c4:b0:1a0:5bb1:3f0b with SMTP id kz4-20020a170902f9c400b001a05bb13f0bmr1292262plb.40.1680843751782; Thu, 06 Apr 2023 22:02:31 -0700 (PDT) Received: from [192.168.100.225] (221x248x148x155.ap221.ftth.ucom.ne.jp. [221.248.148.155]) by smtp.gmail.com with ESMTPSA id j20-20020a170902759400b0019309be03e7sm2166113pll.66.2023.04.06.22.02.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Apr 2023 22:02:31 -0700 (PDT) Message-ID: <1efcd842-b6a3-353a-0bf9-3ebf890eb712@redhat.com> Date: Fri, 7 Apr 2023 14:02:25 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 From: Takayuki Nagata Subject: [PATCH v2] cifs: reinstate original behavior again for forceuid/forcegid Content-Language: en-US To: sfrench@samba.org Cc: pc@cjr.nz, lsahlber@redhat.com, sprasad@microsoft.com, tom@talpey.com, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, tnagata@redhat.com Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org forceuid/forcegid should be enabled by default when uid=/gid= options are specified, but commit 24e0a1eff9e2 ("cifs: switch to new mount api") changed the behavior. Due to the change, a mounted share does not show intentional uid/gid for files and directories even though uid=/gid= options are specified since forceuid/forcegid are not enabled. This patch reinstates original behavior that overrides uid/gid with specified uid/gid by the options. Fixes: 24e0a1eff9e2 ("cifs: switch to new mount api") Signed-off-by: Takayuki Nagata Acked-by: Ronnie Sahlberg Acked-by: Tom Talpey Signed-off-by: Steve French --- V1 -> V2: Revised commit message to clarify "what breaks". fs/cifs/fs_context.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index ace11a1a7c8a..6f7c5ca3764f 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -972,6 +972,7 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, goto cifs_parse_mount_err; ctx->linux_uid = uid; ctx->uid_specified = true; + ctx->override_uid = 1; break; case Opt_cruid: uid = make_kuid(current_user_ns(), result.uint_32); @@ -1000,6 +1001,7 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, goto cifs_parse_mount_err; ctx->linux_gid = gid; ctx->gid_specified = true; + ctx->override_gid = 1; break; case Opt_port: ctx->port = result.uint_32;