Re: [patch 0/4] MAP_NOZERO v2 - VM_NOZERO/MAP_NOZERO early summermadness

[Rik van Riel]

Davide Libenzi wrote:
> On Mon, 2 Jul 2007, Ulrich Drepper wrote:
>
> > On 7/2/07, Rik van Riel <riel@xxxxxxxxxx> wrote:
> > > That should not happen.  The default SELinux configuration
> > > in Fedora (and Debian?) runs a few daemons in their own
> > > restricted modes and has most of the system running in
> > > unconfined_t, including the majority of user programs.
> > This is the state as of F7.  This will change hopefully soon.
> > Programs like firefox run by normal users must be confined, to. Any
> > tests using security must be fast, it's not something which is done
> > only for a few apps.
>
> The strong requirement would be that the cookie is not a bit longer than 
> sizeof(unsigned long).

You could easily replace the cookie with a pointer to a free
page pool.

--
Politics is the struggle between those who want to make their country
the best in the world, and those who believe it already is.  Each group
calls the other unpatriotic.
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