From patchwork Sun Oct 8 04:28:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mimi Zohar X-Patchwork-Id: 9991691 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 593B160594 for ; Sun, 8 Oct 2017 04:28:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 485082874A for ; Sun, 8 Oct 2017 04:28:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3CE6428751; Sun, 8 Oct 2017 04:28:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D6BC928752 for ; Sun, 8 Oct 2017 04:28:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750919AbdJHE2c (ORCPT ); Sun, 8 Oct 2017 00:28:32 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:50648 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750771AbdJHE2b (ORCPT ); Sun, 8 Oct 2017 00:28:31 -0400 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v984Ne99013795 for ; Sun, 8 Oct 2017 00:28:31 -0400 Received: from e06smtp11.uk.ibm.com (e06smtp11.uk.ibm.com [195.75.94.107]) by mx0a-001b2d01.pphosted.com with ESMTP id 2dew4ah8sk-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 08 Oct 2017 00:28:30 -0400 Received: from localhost by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 8 Oct 2017 05:28:29 +0100 Received: from b06cxnps3075.portsmouth.uk.ibm.com (9.149.109.195) by e06smtp11.uk.ibm.com (192.168.101.141) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sun, 8 Oct 2017 05:28:27 +0100 Received: from d23av05.au.ibm.com (d23av05.au.ibm.com [9.190.234.119]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v984SPX49371848; Sun, 8 Oct 2017 04:28:26 GMT Received: from d23av05.au.ibm.com (localhost [127.0.0.1]) by d23av05.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v984SP0t011770; Sun, 8 Oct 2017 15:28:25 +1100 Received: from localhost.localdomain ([9.80.110.161]) by d23av05.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v984SLcq011708; Sun, 8 Oct 2017 15:28:23 +1100 Subject: [PATCH] vfs: fix mounting a filesystem with i_version From: Mimi Zohar To: David Howells Cc: linux-integrity , linux-security-module , linux-fsdevel Date: Sun, 08 Oct 2017 00:28:21 -0400 X-Mailer: Evolution 3.20.5 (3.20.5-1.fc24) Mime-Version: 1.0 X-TM-AS-MML: disable x-cbid: 17100804-0040-0000-0000-000004006B3E X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17100804-0041-0000-0000-000020A1E395 Message-Id: <1507436901.5841.4.camel@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-10-07_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710080065 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: X-Virus-Scanned: ClamAV using ClamSMTP The mount i_version flag is not enabled in the new sb_flags. This patch adds the missing SB_I_VERSION flag. Fixes: e462ec5 "VFS: Differentiate mount flags (MS_*) from internal superblock flags" Signed-off-by: Mimi Zohar --- fs/namespace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/namespace.c b/fs/namespace.c index 3b601f115b6c..d18deb4c410b 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2825,7 +2825,8 @@ long do_mount(const char *dev_name, const char __user *dir_name, SB_MANDLOCK | SB_DIRSYNC | SB_SILENT | - SB_POSIXACL); + SB_POSIXACL | + SB_I_VERSION); if (flags & MS_REMOUNT) retval = do_remount(&path, flags, sb_flags, mnt_flags,