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

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Message-ID: <20130623223017.GE13836@order.stressinduktion.org>
Date:	Mon, 24 Jun 2013 00:30:17 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	netdev@...r.kernel.org, dborkman@...hat.com
Subject: Re: [PATCH net-next] ipv6: check return value of ipv6_get_lladdr

On Sun, Jun 23, 2013 at 09:56:48PM +0200, 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>
> ---
> Maybe -net, or even stable?

Actually, stable is nonsense because tokenized ipv6 addresses first
appeared in v3.10-rc1 in mainline.

Greetings,

  Hannes

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