Subject: Re: copyout and address space overflows
To: None <>
From: Joerg Sonnenberger <>
List: tech-kern
Date: 11/16/2006 19:15:30
On Thu, Nov 16, 2006 at 09:43:20AM -0800, Jason Thorpe wrote:
> m68k platforms based on the Hibler pmap (i.e. all of them but sun2/ 
> sun3/sun3x) have completely separate 32-bit address spaces for kernel  
> and user space.

Is the kernel space using the full 32bit address space or only 31bit? In
the latter case, this would still catch the issues. Checking for
overflows in the src domain would make sense as well.