reiserfs v3 and SELinux (Was Re: reiser4)

Stephen Smalley sds at epoch.ncsc.mil
Wed Aug 25 15:13:59 UTC 2004


On Wed, 2004-08-25 at 11:02, Toshio wrote:
> On Wed, 2004-08-25 at 10:29, Russell Coker wrote:
> > On Wed, 25 Aug 2004 03:34, David T Hollis <dhollis at davehollis.com> wrote:
> > > I'm sure the ultimate question is: when/if it makes it to the stock
> > > kernel, does Fedora begin to support it?
> > 
> > SE Linux is a core feature of Fedora, and will be enabled by default in RHEL4.
> > 
> > Reiser 3 does not work with SE Linux and probably never will.
> > 
> What are the problems with Reiserfs 3?  I thought the patches from Chris
> Mason of SuSE that went into the mainstream kernel in 2.6.7 enabled
> SELinux.  I haven't had a chance to test that, though, so I would
> appreciate knowing if the support is illusory.

Deadlock in the reiserfs xattr code when creating the internal
directories and files used to store xattrs (when interacting with
SELinux) and lack of a mechanism for informing SELinux that it shouldn't
mediate access to the internal directories and files used by reiserfs to
store its xattrs.  Illusory.

-- 
Stephen Smalley <sds at epoch.ncsc.mil>
National Security Agency





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