STINNER Victor added the comment: Serhiy Storchaka: > I think that integer overflow in _Unpickler_Read() is possible. n is read > from file and can be arbitrary (up to PY_SSIZE_T_MAX). This likely cause > raising an exception later, but integer overflow itself causes undefined > behavior, and we should avoid it.
Hum, I understood that it's ok since numbers should be signed, but in fact I'm not confident that n is always signed. You are right, it's better to use your code to avoid the integer overflow. I pushed a fix. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue27056> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
