Curl_http_body: cleanup properly when Curl_getformdata errors

Reported-by: yushicheng7788 on github
Based-on-work-by: yushicheng7788 on github
Fixes #12410
Closes #12421

diff --git a/lib/http.c b/lib/http.c
index 45748dd293dc54ce3459ab994aab37d0e18a849d..be6d442e8b81e713d9c7d0f5a714de4b47c4eec5 100644 (file)
--- a/lib/http.c
+++ b/lib/http.c
@@ -2439,8 +2439,10 @@ CURLcode Curl_http_body(struct Curl_easy *data, struct connectdata *conn,
       Curl_mime_cleanpart(data->state.formp);
       result = Curl_getformdata(data, data->state.formp, data->set.httppost,
                                 data->state.fread_func);
-      if(result)
+      if(result) {
+        Curl_safefree(data->state.formp);
         return result;
+      }
       data->state.mimepost = data->state.formp;
     }
     break;