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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>
This commit is contained in:
James Morris 2017-02-13 16:34:35 +11:00 committed by Mimi Zohar
parent ca97d939db
commit bad4417b69
1 changed files with 4 additions and 4 deletions
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8
security/integrity/ima/ima_policy.c
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@ -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},