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

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Message-ID: <1423066564.4741.7.camel@sipsolutions.net>
Date:	Wed, 04 Feb 2015 17:16:04 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Bjørn Mork <bjorn@...k.no>
Cc:	netdev@...r.kernel.org, Jeff Layton <jeff.layton@...marydata.com>,
	Sedat Dilek <sedat.dilek@...il.com>
Subject: Re: [PATCH v3 2/3] genetlink: disallow subscribing to unknown mcast
 groups

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

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