Subject: Re: kern/7129: normal user can bypass mount 'noexec' flags
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-kern
Date: 03/11/1999 11:59:37 
On Thu, 11 Mar 1999 20:47:19 +0100 
 Manuel Bouyer <bouyer@antioche.lip6.fr> wrote:

 > And they will be back if a MNT_UPDATE is done on the lower FS.
 > We need a way to track flags that have been deleted by a update. 

You could have the top layer look at the bottom layer's mount flags
when a vfs or vn op happens...

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>