fix: fix coverity scan issue in tudf.c and udfd.c

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;
   }
 

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);
   }