Avoid a double-free in an error path.

ok jsing@ beck@

2 files changed, 4 insertions, 2 deletions

diff --git a/src/lib/libcrypto/dh/dh_ameth.c b/src/lib/libcrypto/dh/dh_ameth.c
index 729c996a1b..24c8bb25ec 100644
--- a/src/lib/libcrypto/dh/dh_ameth.c
+++ b/src/lib/libcrypto/dh/dh_ameth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh_ameth.c,v 1.12 2014/07/12 16:03:37 miod Exp $ */
+/* $OpenBSD: dh_ameth.c,v 1.13 2015/01/08 01:44:29 doug Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -262,6 +262,7 @@ dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
         dplen = i2d_ASN1_INTEGER(prkey, &dp);
 
         ASN1_INTEGER_free(prkey);
+        prkey = NULL;
 
         if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dhKeyAgreement), 0,
             V_ASN1_SEQUENCE, params, dp, dplen))
diff --git a/src/lib/libssl/src/crypto/dh/dh_ameth.c b/src/lib/libssl/src/crypto/dh/dh_ameth.c
index 729c996a1b..24c8bb25ec 100644
--- a/src/lib/libssl/src/crypto/dh/dh_ameth.c
+++ b/src/lib/libssl/src/crypto/dh/dh_ameth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh_ameth.c,v 1.12 2014/07/12 16:03:37 miod Exp $ */
+/* $OpenBSD: dh_ameth.c,v 1.13 2015/01/08 01:44:29 doug Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -262,6 +262,7 @@ dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
         dplen = i2d_ASN1_INTEGER(prkey, &dp);
 
         ASN1_INTEGER_free(prkey);
+        prkey = NULL;
 
         if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_dhKeyAgreement), 0,
             V_ASN1_SEQUENCE, params, dp, dplen))