From: Andy Polyakov <appro@openssl.org>
Date: Tue, 25 Feb 2014 21:21:54 +0000 (+0100)
Subject: ssl/t1_enc.c: check EVP_MD_CTX_copy return value.
X-Git-Tag: OpenSSL_1_0_2-beta2~314
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=8d08627c940900998d02a0dff0566db736efb94f

ssl/t1_enc.c: check EVP_MD_CTX_copy return value.

PR: 3201
(cherry picked from commit 03da57fe14f2de5bde9d4496a2ae9a4ae8879f88)
---

diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index 96c85a4d1b..1fe6731c31 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -1009,7 +1009,8 @@ int tls1_mac(SSL *ssl, unsigned char *md, int send)
 		}
 		else
 		{
-			EVP_MD_CTX_copy(&hmac,hash);
+			if (!EVP_MD_CTX_copy(&hmac,hash))
+				return -1;
 			mac_ctx = &hmac;
 		}