func: void CWE127_Buffer_Underread__malloc_wchar_t_cpy_67_bad() wchar_t * dataBuffer = ( wchar_t * ) malloc ( 100 * sizeof ( wchar_t ) ) ; data = dataBuffer - 8; myStruct . structFirst = data; CWE127_Buffer_Underread__malloc_wchar_t_cpy_67b_badSink ( myStruct ); void CWE127_Buffer_Underread__malloc_wchar_t_cpy_67b_badSink(CWE127_Buffer_Underread__malloc_wchar_t_cpy_67_structType myStruct) wchar_t * data = myStruct . structFirst ; wcscpy ( dest , data ); printWLine ( dest ); void printWLine (const wchar_t * line) if ( line != NULL )  wprintf ( L "%ls\n" , line ) 