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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sat, 8 Dec 2018 06:53:24 -0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id wB86rMjB20447432 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 8 Dec 2018 06:53:22 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8AC7BAC05B; Sat, 8 Dec 2018 06:53:22 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 77D79AC059; Sat, 8 Dec 2018 06:53:14 +0000 (GMT) Received: from localhost.localdomain.com (unknown [9.85.72.40]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Sat, 8 Dec 2018 06:53:14 +0000 (GMT) From: Chandan Rajendra To: linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-doc@vger.kernel.org, linux-mips@linux-mips.org, linux-s390@vger.kernel.org, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org Cc: Chandan Rajendra , tytso@mit.edu, adilger.kernel@dilger.ca, ebiggers@kernel.org, jaegeuk@kernel.org, yuchao0@huawei.com, corbet@lwn.net, ralf@linux-mips.org, paul.burton@mips.com, jhogan@kernel.org, green.hu@gmail.com, deanbo422@gmail.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, richard@nod.at, dedekind1@gmail.com, adrian.hunter@intel.com, viro@zeniv.linux.org.uk Subject: [PATCH V3 9/9] fsverity: Move verity status check to fsverity_prepare_setattr Date: Sat, 8 Dec 2018 12:21:44 +0530 X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181208065144.19486-1-chandan@linux.vnet.ibm.com> References: <20181208065144.19486-1-chandan@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18120806-0040-0000-0000-0000049F8024 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010192; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000270; SDB=6.01128647; UDB=6.00577119; IPR=6.00908778; MB=3.00024599; MTD=3.00000008; XFM=3.00000015; UTC=2018-12-08 06:53:30 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18120806-0041-0000-0000-000008A89DB2 Message-Id: <20181208065144.19486-10-chandan@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-12-08_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812080065 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of conditionally checking for verity status of an inode before invoking fsverity_prepare_setattr(), this commit moves the check inside the definition of fsverity_prepare_setattr(). Signed-off-by: Chandan Rajendra --- fs/ext4/inode.c | 8 +++----- fs/f2fs/file.c | 8 +++----- fs/verity/setup.c | 2 +- 3 files changed, 7 insertions(+), 11 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 703f55635824..44561e68886b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5510,11 +5510,9 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr) if (error) return error; - if (IS_VERITY(inode)) { - error = fsverity_prepare_setattr(dentry, attr); - if (error) - return error; - } + error = fsverity_prepare_setattr(dentry, attr); + if (error) + return error; if (is_quota_modification(inode, attr)) { error = dquot_initialize(inode); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 925c0d9608da..422907ca37c6 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -798,11 +798,9 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) if (err) return err; - if (IS_VERITY(inode)) { - err = fsverity_prepare_setattr(dentry, attr); - if (err) - return err; - } + err = fsverity_prepare_setattr(dentry, attr); + if (err) + return err; if (is_quota_modification(inode, attr)) { err = dquot_initialize(inode); diff --git a/fs/verity/setup.c b/fs/verity/setup.c index bc463dc601b1..154556d72691 100644 --- a/fs/verity/setup.c +++ b/fs/verity/setup.c @@ -796,7 +796,7 @@ EXPORT_SYMBOL_GPL(fsverity_file_open); */ int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr) { - if (attr->ia_valid & ATTR_SIZE) { + if (IS_VERITY(d_inode(dentry)) && (attr->ia_valid & ATTR_SIZE)) { pr_debug("Denying truncate of verity file (ino %lu)\n", d_inode(dentry)->i_ino); return -EPERM;