From: Andy Polyakov <appro@openssl.org>
Date: Thu, 6 Mar 2014 13:19:37 +0000 (+0100)
Subject: dh_check.c: check BN_CTX_get's return value.
X-Git-Tag: OpenSSL_1_0_2-beta2~285
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fe69e6be6e551c04d9d6a186c7fee1e635313ca6;p=openssl

dh_check.c: check BN_CTX_get's return value.
(cherry picked from commit 53e5161231854d64fd89e993944609a329a92db4)
---

diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c
index fa1df0efc0..9c4f61329f 100644
--- a/crypto/dh/dh_check.c
+++ b/crypto/dh/dh_check.c
@@ -82,6 +82,7 @@ int DH_check(const DH *dh, int *ret)
 	if (ctx == NULL) goto err;
 	BN_CTX_start(ctx);
 	t1=BN_CTX_get(ctx);
+	if (t1 == NULL) goto err;
 	t2=BN_CTX_get(ctx);
 	if (t2 == NULL) goto err;