CURLU: fix NULL dereference when used over proxy

Test 659 verifies

Also fixed the test 658 name

Closes #3641

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/url.c b/lib/url.c
index bc00bfae6..76e912231 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -304,7 +304,8 @@ static void up_free(struct Curl_easy *data)
   Curl_safefree(up->options);
   Curl_safefree(up->path);
   Curl_safefree(up->query);
-  curl_url_cleanup(data->state.uh);
+  if(data->set.uh != data->state.uh)
+    curl_url_cleanup(data->state.uh);
   data->state.uh = NULL;
 }
 
@@ -2046,7 +2047,7 @@ static CURLcode parseurlandfillconn(struct Curl_easy *data,
 
   /* parse the URL */
   if(data->set.uh) {
-    uh = data->set.uh;
+    uh = data->state.uh = data->set.uh;
   }
   else {
     uh = data->state.uh = curl_url();