diff --git a/source/libs/function/src/tudf.c b/source/libs/function/src/tudf.c
index 62427e0488773c3c6160ad4ed4b859b32881f6c3..060a92f864ec6380a799c77a6790eeeb3175577b 100644
--- a/source/libs/function/src/tudf.c
+++ b/source/libs/function/src/tudf.c
@@ -1656,6 +1656,8 @@ int32_t doSetupUdf(char udfName[], UdfcFuncHandle *funcHandle) {
   int32_t errCode = udfcRunUdfUvTask(task, UV_TASK_CONNECT);
   if (errCode != 0) {
     fnError("failed to connect to pipe. udfName: %s, pipe: %s", udfName, (&gUdfdProxy)->udfdPipeName);
+    taosMemoryFree(task->session);
+    taosMemoryFree(task);
     return TSDB_CODE_UDF_PIPE_CONNECT_ERR;
   }
 
diff --git a/source/libs/function/src/udfd.c b/source/libs/function/src/udfd.c
index 636f006d6e7b8aaa909df2b0ba1966ed6af9e308..8ff0dc15a56068d466664df01f4f2291100741f2 100644
--- a/source/libs/function/src/udfd.c
+++ b/source/libs/function/src/udfd.c
@@ -960,7 +960,7 @@ int32_t udfdInitResidentFuncs() {
   char* token;
   while ((token = strtok_r(pSave, ",", &pSave)) != NULL) {
     char func[TSDB_FUNC_NAME_LEN] = {0};
-    strncpy(func, token, strlen(token));
+    strncpy(func, token, sizeof(func));
     taosArrayPush(global.residentFuncs, func);
   }