From: mrpre <mrpre@163.com>
Date: Fri, 28 Aug 2015 08:12:51 +0000 (+0800)
Subject: check bn_new return value
X-Git-Tag: OpenSSL_1_1_0-pre1~756
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a7e974c7be90e2c9673e2ce6215a70f734eb8ad4;p=oweals%2Fopenssl.git

check bn_new return value

Slightly modified from the original PR.
Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
---

diff --git a/crypto/asn1/x_bignum.c b/crypto/asn1/x_bignum.c
index 66ce000827..d2666e15da 100644
--- a/crypto/asn1/x_bignum.c
+++ b/crypto/asn1/x_bignum.c
@@ -163,8 +163,8 @@ static int bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
 {
     BIGNUM *bn;
 
-    if (!*pval)
-        bn_new(pval, it);
+    if (*pval == NULL && !bn_new(pval, it))
+        return 0;
     bn = (BIGNUM *)*pval;
     if (!BN_bin2bn(cont, len, bn)) {
         bn_free(pval, it);