Re: [issue514] patch to randomize mmap offsets

["Samuel J. Greear" <sjg@xxxxxxxxxxxx>]

On Wed, Nov 24, 2010 at 11:30 AM, Matthew Dillon
<dillon@apollo.backplane.com> wrote:
>
> :Alex Hornung <ahornung@gmail.com> added the comment:
> :
> :Well, 3 and a half years later it's after the release, so let's get it in.
> :
> :Cheers,
> :Alex Hornung
>
>    I dunno.  I never liked the concept of randomizing mmap offsets.
>    It could potentially create massive fragmentation of a process's
>    memory map as well as make testing more difficult.
>
>                                        -Matt
>                                        Matthew Dillon
>                                        <dillon@backplane.com>
>

What's the attack vector when mmap offsets are predictable?

Sam