Fix memory leaks in BIO_dup_chain()

[openssl.git] / crypto / bio / bio_lib.c

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 19cd06983f06c0da7ca8bfe23bdcc4a5ea40cc3d..cc859da74012e25adb220c9d75dfd4e1e181e29b 100644 (file)
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -535,8 +535,10 @@ BIO *BIO_dup_chain(BIO *in)
 
         /* copy app data */
         if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data,
-                                &bio->ex_data))
+                                &bio->ex_data)) {
+            BIO_free(new_bio);
             goto err;
+        }
 
         if (ret == NULL) {
             eoc = new_bio;
@@ -548,7 +550,8 @@ BIO *BIO_dup_chain(BIO *in)
     }
     return (ret);
  err:
-    BIO_free(ret);
+    BIO_free_all(ret);
+
     return (NULL);
 }