Subject: Re: [PATCH v3 2/3] genetlink: disallow subscribing to unknown mcast groups

From: Johannes Berg <[email-masked]>
Date: Wed, 04 Feb 2015 17:16:04 +0100

On Wed, 2015-02-04 at 16:55 +0100, Bjørn Mork wrote:

> This was never noticed before because there are only two users,
> netfilter and generic netlink,  and both were willing to accept the
> off-by-one values without much fuzz.

Generic netlink didn't even have it until my patchset.

I think audit also uses the callback, but only for permissions checks
and doesn't care about the group at all.

johannes