From d249929e816a8fd4186e617c57dc22c1ae48b860 Mon Sep 17 00:00:00 2001
From: Simon <zhaopku09@gmail.com>
Date: Tue, 28 Nov 2017 17:12:43 +0800
Subject: [PATCH] [bugfix]fix double free bug

---
 crypto/ec/ec_pmeth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/ec/ec_pmeth.c b/crypto/ec/ec_pmeth.c
index 6fafb7e4..a31af31b 100644
--- a/crypto/ec/ec_pmeth.c
+++ b/crypto/ec/ec_pmeth.c
@@ -118,11 +118,11 @@ static void pkey_ec_cleanup(EVP_PKEY_CTX *ctx)
         EC_GROUP_free(dctx->gen_group);
         EC_KEY_free(dctx->co_key);
         OPENSSL_free(dctx->kdf_ukm);
-        OPENSSL_free(dctx);
 #ifndef OPENSSL_NO_SM2
         OPENSSL_free(dctx->signer_id);
         OPENSSL_free(dctx->signer_zid);
 #endif
+        OPENSSL_free(dctx);
     }
 }