On Mon, Nov 22, 2021 at 10:26:12AM +0100, David Hildenbrand wrote: > I do wonder if we want to support sharing such memfds between processes > in all cases ... we most certainly don't want to be able to share > encrypted memory between VMs (I heard that the kernel has to forbid > that). It would make sense in the use case you describe, though. If there is a F_SEAL_XX that blocks every kind of new access, who cares if userspace passes the FD around or not? Jason