linux-kernel - [PATCH] ima: Add cgroups2 to the defaults list

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Date:   Tue,  9 May 2017 11:25:27 -0700
From:   Laura Abbott <labbott@...hat.com>
To:     Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        James Morris <james.l.morris@...cle.com>,
        "Serge E. Hallyn" <serge@...lyn.com>
Cc:     Laura Abbott <labbott@...hat.com>,
        linux-ima-devel@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ima: Add cgroups2 to the defaults list

cgroups2 is beginning to show up in wider usage. Add it to the default
nomeasure/noappraise list like other filesystems.

Signed-off-by: Laura Abbott <labbott@...hat.com>
---
 security/integrity/ima/ima_policy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 3ab1067db624..d60889352dda 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -96,6 +96,8 @@ static struct ima_rule_entry dont_measure_rules[] __ro_after_init = {
 	{.action = DONT_MEASURE, .fsmagic = SELINUX_MAGIC, .flags = IMA_FSMAGIC},
 	{.action = DONT_MEASURE, .fsmagic = CGROUP_SUPER_MAGIC,
 	 .flags = IMA_FSMAGIC},
+	{.action = DONT_MEASURE, .fsmagic = CGROUP2_SUPER_MAGIC,
+	 .flags = IMA_FSMAGIC},
 	{.action = DONT_MEASURE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC}
 };
 
@@ -139,6 +141,7 @@ static struct ima_rule_entry default_appraise_rules[] __ro_after_init = {
 	{.action = DONT_APPRAISE, .fsmagic = SELINUX_MAGIC, .flags = IMA_FSMAGIC},
 	{.action = DONT_APPRAISE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC},
 	{.action = DONT_APPRAISE, .fsmagic = CGROUP_SUPER_MAGIC, .flags = IMA_FSMAGIC},
+	{.action = DONT_APPRAISE, .fsmagic = CGROUP2_SUPER_MAGIC, .flags = IMA_FSMAGIC},
 #ifdef CONFIG_IMA_WRITE_POLICY
 	{.action = APPRAISE, .func = POLICY_CHECK,
 	.flags = IMA_FUNC | IMA_DIGSIG_REQUIRED},
-- 
2.12.2