From: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
Date: Mon, 11 Oct 2021 20:26:37 +0000 (-0500)
Subject: Possibly fix overflow?
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4958bd08b803294579602fc98881b6e3faa1d721;p=thirdparty%2Ffreeradius-server.git

Possibly fix overflow?
---

diff --git a/src/lib/sim/milenage.c b/src/lib/sim/milenage.c
index d7c07a38985..cae3c034669 100644
--- a/src/lib/sim/milenage.c
+++ b/src/lib/sim/milenage.c
@@ -32,7 +32,7 @@
 static inline int aes_128_encrypt_block(EVP_CIPHER_CTX *evp_ctx,
 					uint8_t const key[16], uint8_t const in[16], uint8_t out[16])
 {
-	size_t len;
+	size_t len = 0;
 
 	if (unlikely(EVP_EncryptInit_ex(evp_ctx, EVP_aes_128_ecb(), NULL, key, NULL) != 1)) {
 		fr_tls_log_strerror_printf("Failed initialising AES-128-ECB context");
@@ -56,6 +56,8 @@ static inline int aes_128_encrypt_block(EVP_CIPHER_CTX *evp_ctx,
 		return -1;
 	}
 
+	EVP_CIPHER_CTX_clean(evp_ctx);
+
 	return 0;
 }