On Tuesday 03 October 2006 10:03, Pavel Machek wrote:
> On Sat 30-09-06 17:03:45, Andi Kleen wrote:
> >
> > > Did you get to the bottom of this yet? It looks like you're right,
> > > and I suggest a seqlock might be a good option.
> >
> > It basically doesn't matter because nobody changes the time zone after boot.
>
> Attacker might; in a tight loop, to confuse time-of-day subsystem, or
> maybe oops the kernel.
(a) only root change it.
(b) the time of day subsystem never cares about the time zone. It is
just a variable stored for user space.
-Andi
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