Return datalen instead of zero if there is a rule to appraise the policy
but that rule is not enforced.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 19f8a84713edc ("ima: measure and appraise the IMA policy itself")
Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
---
security/integrity/ima/ima_fs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
index a71e822a6e92..2c2ea814b954 100644
--- a/security/integrity/ima/ima_fs.c
+++ b/security/integrity/ima/ima_fs.c
@@ -340,6 +340,8 @@ static ssize_t ima_write_policy(struct file *file, const char __user *buf,
1, 0);
if (ima_appraise & IMA_APPRAISE_ENFORCE)
result = -EACCES;
+ else
+ result = datalen;
} else {
result = ima_parse_add_rule(data);
}
--
2.17.1
