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From: Shmulik Ladkani <shmulik.ladkani@gmail.com>
To: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: netdev@vger.kernel.org
Subject: Re: Missing INET6_PROTO_FINAL in l2tp_ip6_protocol?
Date: Mon, 23 May 2016 14:25:21 +0300	[thread overview]
Message-ID: <20160523142521.6d0d018c@pixies> (raw)
In-Reply-To: <da054ee9-66bf-5038-b78b-18ce1c362014@stressinduktion.org>

Hi,

On Mon, 23 May 2016 13:05:50 +0200, hannes@stressinduktion.org wrote:
> > However, one more thing WRT to INET6_PROTO_FINAL not being set - we're
> > also missing the multicast filtering of 'ip6_input_finish':
> > 
> > 			if (ipv6_addr_is_multicast(&hdr->daddr) &&
> > 			    !ipv6_chk_mcast_addr(skb->dev, &hdr->daddr,
> > 			    &hdr->saddr) &&
> > 			    !ipv6_is_mld(skb, nexthdr, skb_network_header_len(skb)))
> > 				goto discard;
> > 
> > I assume no reason to allow multicast daddr which aren't in the mc_list
> > (or saddr excluded) to pass up into 'l2tp_ip6_recv'?
> > 
> 
> Good point, seems we would benefit of the addition of the PROTO_FINAL
> flag. Could you test and send a patch?

Will do.

Regards,
Shmulik

      reply	other threads:[~2016-05-23 11:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-21 12:50 Missing INET6_PROTO_FINAL in l2tp_ip6_protocol? Shmulik Ladkani
2016-05-21 15:55 ` Hannes Frederic Sowa
2016-05-21 20:02   ` Shmulik Ladkani
2016-05-23 11:05     ` Hannes Frederic Sowa
2016-05-23 11:25       ` Shmulik Ladkani [this message]

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