Re: Exploit for Linux wu.ftpd hole

[nlawson () statler csc calpoly edu (Nathan Lawson)]

> Yes, i've since discovered this. And the writes dont return a error. Hmm,
> how slow would fstat()ing the log file before writing be, it shouldnt be
> *too* bad.

The only problem I see here is that this should be done before writes, not
periodically.  If it was done every few minutes, it would cause a penalty
in swapping into memory, especially on machines with limited memory.  I'd like
to see more Unix daemons designed to wake up as little as possible.

-Nate