linux-kernel - [PATCH 1/8] ima: Call audit_log_string() rather than logging it untrusted

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Date:   Thu, 24 May 2018 16:10:58 -0400
From:   Stefan Berger <stefanb@...ux.vnet.ibm.com>
To:     zohar@...ux.vnet.ibm.com, sgrubb@...hat.com
Cc:     linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-audit@...hat.com, Stefan Berger <stefanb@...ux.vnet.ibm.com>
Subject: [PATCH 1/8] ima: Call audit_log_string() rather than logging it untrusted

The parameters passed to this logging function are all provided by
a privileged user and therefore we can call audit_log_string()
rather than audit_log_untrustedstring().

Signed-off-by: Stefan Berger <stefanb@...ux.vnet.ibm.com>
Suggested-by: Steve Grubb <sgrubb@...hat.com>
---
 security/integrity/ima/ima_policy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index d89bebf85421..a823f11a3e6b 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -615,7 +615,7 @@ static void ima_log_string_op(struct audit_buffer *ab, char *key, char *value,
 		audit_log_format(ab, "%s<", key);
 	else
 		audit_log_format(ab, "%s=", key);
-	audit_log_untrustedstring(ab, value);
+	audit_log_string(ab, value);
 	audit_log_format(ab, " ");
 }
 static void ima_log_string(struct audit_buffer *ab, char *key, char *value)
-- 
2.13.6