Christian Heimes added the comment: The code is missing an overflow check. There should be some verification that __sizeof__ returns a value smaller than SIZE_T_MAX - 24. Also 24 for GC overhead looks strange. IMHO it should be sizeof(PyGC_Head) which can be smaller than 24 bytes.
Python 3.5.0a0 (default:601045ceff94, Aug 14 2014, 22:59:49) [GCC 4.8.2] on linux Type "help", "copyright", "credits" or "license" for more information. >>> class Overflow: ... def __sizeof__(self): ... return (1<<64)-1 ... >>> sys.getsizeof(Overflow()) 23 ---------- nosy: +christian.heimes stage: resolved -> needs patch status: closed -> open _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue22193> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
