Re: [PATCH v7 3/7] kernel: Implement selective syscall userspace redirection

Kees Cook
2020-11-21T00:19:19Z

On Thu, Nov 19, 2020 at 12:43:05PM -0500, Gabriel Krisman Bertazi wrote:
> The existing interface could be extended with a flags field as part of
> the opcode passed in argument 2, which is currently reserved, and then
> return a FD, just like seccomp(2) does. So it is not like the current
> patches couldn't be extended in the future if needed, unless I'm
> mistaken.

Yes, I'd prefer this series go in as-is, and if there is a need for
extending the API, arg2 can have more values added.

--
Kees Cook