On Tue, 25 Sep 2018 09:37:41 -0600, David Ahern wrote: > For ifaddrmsg ifa_flags aligns with ifi_type which is set by kernel side > so this should be ok.
Does the existing user space set ifi_type to anything? Does it zero out the field? Are we able to find a flag value that is not going to be set by unaware user space? I.e., a bit that is unused by the current ARPHRD values on both little and big endian? (ARPHRD_NONE might be a problem, though...) Jiri
