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Wed, 8 Dec 2021 22:18:26 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma03dal.us.ibm.com with ESMTP id 3cqyybyknm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 08 Dec 2021 22:18:26 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1B8MIPDq16646666 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 8 Dec 2021 22:18:25 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2882528060; Wed, 8 Dec 2021 22:18:25 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 165F92806A; Wed, 8 Dec 2021 22:18:25 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 8 Dec 2021 22:18:25 +0000 (GMT) From: Stefan Berger To: linux-integrity@vger.kernel.org Cc: zohar@linux.ibm.com, serge@hallyn.com, christian.brauner@ubuntu.com, containers@lists.linux.dev, dmitry.kasatkin@gmail.com, ebiederm@xmission.com, krzysztof.struczynski@huawei.com, roberto.sassu@huawei.com, mpeters@redhat.com, lhinds@redhat.com, lsturman@redhat.com, puiterwi@redhat.com, jejb@linux.ibm.com, jamjoom@us.ibm.com, linux-kernel@vger.kernel.org, paul@paul-moore.com, rgb@redhat.com, linux-security-module@vger.kernel.org, jmorris@namei.org, Stefan Berger , James Bottomley Subject: [PATCH v5 12/16] securityfs: Extend securityfs with namespacing support Date: Wed, 8 Dec 2021 17:18:14 -0500 Message-Id: <20211208221818.1519628-13-stefanb@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211208221818.1519628-1-stefanb@linux.ibm.com> References: <20211208221818.1519628-1-stefanb@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: GCf1TAZ3wSkXhkrlwdS2Io_fUWRfmMZ7 X-Proofpoint-GUID: BE7aFkHeZLzoBTtT3vcxxlsua94R3nKR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-08_08,2021-12-08_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 bulkscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 mlxscore=0 impostorscore=0 clxscore=1015 mlxlogscore=999 malwarescore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112080121 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Extend 'securityfs' for support of IMA namespacing so that each IMA (user) namespace can have its own front-end for showing the currently active policy, the measurement list, number of violations and so on. Signed-off-by: Stefan Berger Signed-off-by: James Bottomley --- security/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/inode.c b/security/inode.c index 9ba2fa875c4c..c1aef4613a17 100644 --- a/security/inode.c +++ b/security/inode.c @@ -54,7 +54,7 @@ static int securityfs_fill_super(struct super_block *sb, struct fs_context *fc) static int securityfs_get_tree(struct fs_context *fc) { - return get_tree_single(fc, securityfs_fill_super); + return get_tree_keyed(fc, securityfs_fill_super, fc->user_ns); } static const struct fs_context_operations securityfs_context_ops = { @@ -72,6 +72,7 @@ static struct file_system_type fs_type = { .name = "securityfs", .init_fs_context = securityfs_init_fs_context, .kill_sb = kill_litter_super, + .fs_flags = FS_USERNS_MOUNT, }; /** -- 2.31.1