According to Coverity, there's a memory leak bug in transfer_all_new_dbs().
		mappings = gen_db_file_maps(old_db, new_db, &n_maps, old_pgdata,
									new_pgdata);
		if (n_maps)
		{
			print_maps(mappings, n_maps, new_db->db_name);
#ifdef PAGE_CONVERSION
			pageConverter = setupPageConverter();
#endif
			transfer_single_new_db(pageConverter, mappings, n_maps,
								   old_tablespace);
			pg_free(mappings);
		}
-----> leaks "mappings"
	}
	return;
}
This is because gen_db_file_maps() allocates memory even if n_maps == 0.
Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp