Re: silent semantic changes with reiser4

[viro]

On Tue, Aug 24, 2004 at 04:38:25PM -0400, Jeff Garzik wrote:
> Christoph Hellwig wrote:
> > o files as directories
> >   - O_DIRECTORY opens succeed on all files on reiser4.  Besides breaking
> >     .htaccess handling in apache and glibc compilation this also renders
> >     this flag entirely useless and opens up the races it tries to
> >     prevent against cmpletely useless
> 
> 
> Ouch.
> 
> I would definitely classify this as a security hole, since userland 
> definitely uses O_DIRECTORY to avoid races.

Feh.  That's far from the worst parts of the mess introduced by "hybrid"
crap - trivial sys_link(2) deadlocks triggerable by any user rate a bit
higher on the suckitude scale, IMO.
-
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/