On Thu, Oct 17, 2024 at 08:03:51AM -0700, Christoph Hellwig wrote: > On Wed, Oct 16, 2024 at 04:51:37PM +0200, Christian Brauner wrote: > > > > > > I think that getting user.* xattrs from bpf hooks can still be useful for > > > introspection and other tasks so I'm not convinced we should revert that > > > functionality but maybe it is too easy to misuse? I'm not really decided. > > > > Reading user.* xattr is fine. If an LSM decides to built a security > > model around it then imho that's their business and since that happens > > in out-of-tree LSM programs: shrug. > > By that argument user.kfuncs is even more useless as just being able > to read all xattrs should be just as fine. bpf shouldn't read security.* of another LSM or a host of other examples...
