netdev - Re: [PATCH net v2] ipv4: fix broadcast packets reception

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Message-Id: <20160322.155426.562303496878634271.davem@redhat.com>
Date:	Tue, 22 Mar 2016 15:54:26 -0400 (EDT)
From:	David Miller <davem@...hat.com>
To:	pabeni@...hat.com
Cc:	netdev@...r.kernel.org, kuznet@....inr.ac.ru,
	sbohrer@...advisors.com, hannes@...essinduktion.org
Subject: Re: [PATCH net v2] ipv4: fix broadcast packets reception

From: Paolo Abeni <pabeni@...hat.com>
Date: Tue, 22 Mar 2016 09:19:38 +0100

> Currently, ingress ipv4 broadcast datagrams are dropped since,
> in udp_v4_early_demux(), ip_check_mc_rcu() is invoked even on
> bcast packets.
> 
> This patch addresses the issue, invoking ip_check_mc_rcu()
> only for mcast packets.
> 
> Fixes: 6e5403093261 ("ipv4/udp: Verify multicast group is ours in upd_v4_early_demux()")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>
> 
> --
>  v1 -> v2 droped the route related bits, the fib_validate_source()
>   failures are triggered by the in_device configuration

Applied and queued up for -stable, thanks.