[PATCH v3] securityfs: fix missing of d_delete() in securityfs_remove()

[Fan Wu]

On Mon, May 12, 2025 at 2:19 PM Paul Moore <paul at paul-moore.com> wrote:
>
> On Fri, May 9, 2025 at 12:46 AM Al Viro <viro at zeniv.linux.org.uk> wrote:
> > On Fri, May 09, 2025 at 05:37:12AM +0100, Al Viro wrote:
> > > On Fri, May 09, 2025 at 04:23:26AM +0100, Al Viro wrote:
> > >
> > > > I have fixes for some of that crap done on top of tree-in-dcache series;
> > > > give me an hour or two and I'll separate those and rebase to mainline...
> > >
> > > Completely untested:
> > > git://git.kernel.org:/pub/scm/linux/kernel/git/viro/vfs.git #untested.securityfs
> > >
> > > on top of v6.15-rc5.  And I'm serious about the "untested" part - it builds
> > > with allmodconfig, but that's all I've checked.  So treat that as an outline
> > > of what could be done, but don't use as-is without serious testing.
> >
> > PS: I'm really, really serious - do not use without a serious review; this
> > is a rebase of a branch last touched back in March and it was a part of
> > long tail, with pretty much zero testing even back then.
> >
> > Patches are simple enough to have a chance to be somewhere in the vicinity
> > of being correct, but that's all I can promise.
>
> Fair enough, although unfortunately I don't think anyone has anything
> close to a securityfs test suite so I suspect this may languish on the
> lists for a bit unless someone has the cycles to pick it up and
> properly test it.
>

Since it's me who added the recursive remove, I'm interested in
helping get the fix tested and verified. However, I might not have
enough cycles in the near future. Happy to let someone else test it if
they have bandwidth.

-Fan