Re: [PATCH v5 4/6] bpf: allow new DECAP flags and add guard rails

[Willem de Bruijn]

Nick Hudson wrote:
> Add checks to require shrink-only decap, reject conflicting decap flag
> combinations, and verify removed length is sufficient for claimed header
> decapsulation.
> 
> Co-developed-by: Max Tottenham <mtottenh@xxxxxxxxxx>
> Signed-off-by: Max Tottenham <mtottenh@xxxxxxxxxx>
> Co-developed-by: Anna Glasgall <aglasgal@xxxxxxxxxx>
> Signed-off-by: Anna Glasgall <aglasgal@xxxxxxxxxx>
> Signed-off-by: Nick Hudson <nhudson@xxxxxxxxxx>

Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>