Subject: Re: exploit with memcpy()
To: David Laight <>
From: Jason R Thorpe <>
List: tech-userlevel
Date: 07/02/2002 11:37:25
On Tue, Jul 02, 2002 at 07:29:48PM +0100, David Laight wrote:

 > OTOH maybe stopping the stack being executable would be a better
 > ploy for catching the effects of undersize onstack data buffers.
 > (at least then you can only jump to code that exists in the
 > program being executed.)

That is precisely one of the reasons I'm working on my signals changes.

        -- Jason R. Thorpe <>