netdev - Re: [PATCH net-next] ipv6: check return value of ipv6_get

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Message-ID: <51C7F31A.1070504@redhat.com>
Date:	Mon, 24 Jun 2013 09:19:54 +0200
From:	Daniel Borkmann <dborkman@...hat.com>
To:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ipv6: check return value of ipv6_get_lladdr

On 06/23/2013 09:56 PM, Hannes Frederic Sowa wrote:
> We should check the return value of ipv6_get_lladdr in inet6_set_iftoken.
>
> A possible situation, which could leave ll_addr unassigned is, when
> the user removed her link-local address but a global scoped address was
> already set. In this case the interface would still be IF_READY and not
> dead. In that case the RS source address is some value from the stack.
>
> Cc: Daniel Borkmann <dborkman@...hat.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Acked-by: Daniel Borkmann <dborkman@...hat.com>
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