From a080c3e816e923680e57e647b5cbc3896e8e8106 Mon Sep 17 00:00:00 2001
From: Bernd Edlinger <bernd.edlinger@hotmail.de>
Date: Fri, 16 Mar 2018 21:12:22 +0100
Subject: [PATCH] Fix a memory leak in tls1_mac
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5650)
---
ssl/record/ssl3_record.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ssl/record/ssl3_record.c b/ssl/record/ssl3_record.c
index 4ffc84279d..fa902f30fb 100644
--- a/ssl/record/ssl3_record.c
+++ b/ssl/record/ssl3_record.c
@@ -1297,8 +1297,10 @@ int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int sending)
mac_ctx = hash;
} else {
hmac = EVP_MD_CTX_new();
- if (hmac == NULL || !EVP_MD_CTX_copy(hmac, hash))
+ if (hmac == NULL || !EVP_MD_CTX_copy(hmac, hash)) {
+ EVP_MD_CTX_free(hmac);
return 0;
+ }
mac_ctx = hmac;
}
--
2.25.1