Check for malloc failure in EVP_PKEY_keygen()

After a call to EVP_PKEY_new() we should check for malloc failure.

RT#4180

Reviewed-by: Stephen Henson <steve@openssl.org>

diff --git a/crypto/evp/pmeth_gn.c b/crypto/evp/pmeth_gn.c
index 6435f1b632cfe804c22057f985c73edbe2118c1e..6a4d3573ff7673314d45dd05c68abf19840184df 100644 (file)
--- a/crypto/evp/pmeth_gn.c
+++ b/crypto/evp/pmeth_gn.c
@@ -149,8 +149,10 @@ int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
     if (!ppkey)
         return -1;
 
-    if (!*ppkey)
+    if (*ppkey == NULL)
         *ppkey = EVP_PKEY_new();
+    if (*ppkey == NULL)
+        return -1;
 
     ret = ctx->pmeth->keygen(ctx, *ppkey);
     if (ret <= 0) {