Check for malloc error in bn_x931p.c
authorMatt Caswell <matt@openssl.org>
Mon, 22 Aug 2016 22:34:30 +0000 (23:34 +0100)
committerMatt Caswell <matt@openssl.org>
Mon, 22 Aug 2016 23:19:15 +0000 (00:19 +0100)
Ensure BN_CTX_get() has been successful

Reviewed-by: Tim Hudson <tjh@openssl.org>
crypto/bn/bn_x931p.c

index 516ad34..40734cb 100644 (file)
@@ -74,6 +74,9 @@ int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2,
 
     pm1 = BN_CTX_get(ctx);
 
+    if (pm1 == NULL)
+        goto err;
+
     if (!bn_x931_derive_pi(p1, Xp1, ctx, cb))
         goto err;