From: David Miller <davem@davemloft.net>
To: fw@strlen.de
Cc: netdev@vger.kernel.org, hannes@stressinduktion.org
Subject: Re: [PATCH -next] ipv6: reject locally assigned nexthop addresses
Date: Thu, 21 May 2015 23:24:05 -0400 (EDT) [thread overview]
Message-ID: <20150521.232405.2190506424761589353.davem@davemloft.net> (raw)
In-Reply-To: <1432160741-3588-1-git-send-email-fw@strlen.de>
From: Florian Westphal <fw@strlen.de>
Date: Thu, 21 May 2015 00:25:41 +0200
> ip -6 addr add dead::1/128 dev eth0
> sleep 5
> ip -6 route add default via dead::1/128
> -> fails
> ip -6 addr add dead::1/128 dev eth0
> ip -6 route add default via dead::1/128
> -> succeeds
>
> reason is that if (nonsensensical) route above is added,
> dead::1 is still subject to DAD, so the route lookup will
> pick eth0 as outdev due to the prefix route that is added before
> DAD work is started.
>
> Add explicit test that checks if nexthop gateway is a local address.
>
> Link: https://bugzilla.redhat.com/show_bug.cgi?id=1167969
> Signed-off-by: Florian Westphal <fw@strlen.de>
Applied to net-next, thanks.
prev parent reply other threads:[~2015-05-22 3:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 22:25 [PATCH -next] ipv6: reject locally assigned nexthop addresses Florian Westphal
2015-05-20 23:55 ` Hannes Frederic Sowa
2015-05-22 3:24 ` David Miller [this message]
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