Re: silent semantic changes with reiser4

[Christoph Hellwig]

On Thu, Aug 26, 2004 at 05:06:38PM +0100, Jamie Lokier wrote:
> Christoph Hellwig wrote:
> > > There's bound to be some security issue, but I'm not sure what you're
> > > getting at with /tmp.  What sort of sort of security problem arises
> > > with a world-writeable directory such as /tmp, that cannot arise with
> > > the standard fs semantics?
> > 
> > Actually you are right on that issue because it would open the
> > device/fifo as directory and not device/fifo (in fact I'd had to look at
> > the code again to see whether they actually do this only for files or
> > also for special files)
> 
> Are you saying that with reiser4, you can open a device or fifo with
> O_DIRECTORY?

That's what I thought, but as far as I can follow the code this is not
actually true.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/