On Fri, Jan 18, 2019 at 10:55:52PM +, Al Viro wrote:
> On Fri, Jan 18, 2019 at 03:53:41PM +0100, Christian Brauner wrote:
> > We don't allow to unlink it since it is crucial for binderfs to be useable
> > but if we allow to rename it we make the unlink trivial to bypass. So
> > prevent renaming
On Fri, Jan 18, 2019 at 03:53:41PM +0100, Christian Brauner wrote:
> We don't allow to unlink it since it is crucial for binderfs to be useable
> but if we allow to rename it we make the unlink trivial to bypass. So
> prevent renaming too and simply treat the control dentry as immutable.
>
> Take
We don't allow to unlink it since it is crucial for binderfs to be useable
but if we allow to rename it we make the unlink trivial to bypass. So
prevent renaming too and simply treat the control dentry as immutable.
Take the opportunity and turn the check for the control dentry into a
separate hel
