Re: silent semantic changes with reiser4

viro
2004-08-24T20:53:46Z

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.