Subject: Re: exploit with memcpy()
To: None <tech-userlevel@netbsd.org, tech-security@netbsd.org>
From: TAMURA Kent <kent@netbsd.org>
List: tech-security
Date: 07/02/2002 21:45:37 
> If I count correctly, you just made memcpy() slow down by about 10%.

I don't think so.
 - The check is at the outside of the loop.
 - It is done only if the destination address < the source address (+length)
 - Many applications uses gcc's builtin memcpy().

-- 
TAMURA Kent <kent2002@hauN.org> <kent@netbsd.org>