On Sun, Jun 22, 2025 at 06:40:41PM +0200, Danilo Krummrich wrote: > +pub fn register_release<P>(dev: &Device<Bound>, data: P) -> Result > +where > + P: ForeignOwnable, > + for<'a> P::Borrowed<'a>: Release, I think we need where P: ForeignOwnable + 'static too. otherwise I can pass something with a reference that expires before the device is unbound and access it in the devm callback as a UAF.