> >2)	Any process which starts with the SUID or SGID bit on must
> >	internally decline to dump core (regardless of ulimit settings) at
> >	all times -- both while SUID and *IF SUID IS REVOKED BY THE JOB*.

Even if you revoke your suid, SUID kerner flag not cleared.
It means not current suid state, but the fact that
setuid was called once (even not the fact that uid is really changed).

-- 
Andrey A. Chernov
<ache@nagual.ru>
http://www.nagual.ru/~ache/