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Commit bad4417b authored by James Morris's avatar James Morris Committed by Mimi Zohar
Browse files

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: default avatarJames Morris <james.l.morris@oracle.com>
Signed-off-by: default avatarMimi Zohar <zohar@linux.vnet.ibm.com>
parent ca97d939

security/integrity/ima/ima_policy.c

+4 −4
Original line number Diff line number Diff line
@@ -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},