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authorJames Morris <jmorris@namei.org>2017-02-13 16:34:35 +1100
committerMimi Zohar <zohar@linux.vnet.ibm.com>2017-03-06 19:08:57 -0500
commitbad4417b692ede5cf31105b329cea1544875b526 (patch)
treef50866238676d8c414047e2509145f9e7251bc2d
parentca97d939db114c8d1619e10a3b82af8615372dae (diff)
integrity: mark default IMA rules as __ro_after_init
The default IMA rules are loaded during init and then do not change, so mark them as __ro_after_init. Signed-off-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
-rw-r--r--security/integrity/ima/ima_policy.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index aed47b777a57..e8498a3f4887 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -83,7 +83,7 @@ struct ima_rule_entry {
* normal users can easily run the machine out of memory simply building
* and running executables.
*/
-static struct ima_rule_entry dont_measure_rules[] = {
+static struct ima_rule_entry dont_measure_rules[] __ro_after_init = {
{.action = DONT_MEASURE, .fsmagic = PROC_SUPER_MAGIC, .flags = IMA_FSMAGIC},
{.action = DONT_MEASURE, .fsmagic = SYSFS_MAGIC, .flags = IMA_FSMAGIC},
{.action = DONT_MEASURE, .fsmagic = DEBUGFS_MAGIC, .flags = IMA_FSMAGIC},
@@ -97,7 +97,7 @@ static struct ima_rule_entry dont_measure_rules[] = {
{.action = DONT_MEASURE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC}
};
-static struct ima_rule_entry original_measurement_rules[] = {
+static struct ima_rule_entry original_measurement_rules[] __ro_after_init = {
{.action = MEASURE, .func = MMAP_CHECK, .mask = MAY_EXEC,
.flags = IMA_FUNC | IMA_MASK},
{.action = MEASURE, .func = BPRM_CHECK, .mask = MAY_EXEC,
@@ -108,7 +108,7 @@ static struct ima_rule_entry original_measurement_rules[] = {
{.action = MEASURE, .func = FIRMWARE_CHECK, .flags = IMA_FUNC},
};
-static struct ima_rule_entry default_measurement_rules[] = {
+static struct ima_rule_entry default_measurement_rules[] __ro_after_init = {
{.action = MEASURE, .func = MMAP_CHECK, .mask = MAY_EXEC,
.flags = IMA_FUNC | IMA_MASK},
{.action = MEASURE, .func = BPRM_CHECK, .mask = MAY_EXEC,
@@ -122,7 +122,7 @@ static struct ima_rule_entry default_measurement_rules[] = {
{.action = MEASURE, .func = POLICY_CHECK, .flags = IMA_FUNC},
};
-static struct ima_rule_entry default_appraise_rules[] = {
+static struct ima_rule_entry default_appraise_rules[] __ro_after_init = {
{.action = DONT_APPRAISE, .fsmagic = PROC_SUPER_MAGIC, .flags = IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = SYSFS_MAGIC, .flags = IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = DEBUGFS_MAGIC, .flags = IMA_FSMAGIC},