Re: [PATCH 1/1] netfilter: nf_tables: fib: Drop IPV6 packages if IPv6 is disabled on boot

From: Pablo Neira Ayuso
Date: Wed Aug 21 2019 - 05:58:51 EST


On Tue, Aug 20, 2019 at 01:15:58PM -0300, Leonardo Bras wrote:
> On Tue, 2019-08-20 at 07:36 +0200, Florian Westphal wrote:
> > Wouldn't fib_netdev.c have the same problem?
> Probably, but I haven't hit this issue yet.
>
> > If so, might be better to place this test in both
> > nft_fib6_eval_type and nft_fib6_eval.
>
> I think that is possible, and not very hard to do.
>
> But in my humble viewpoint, it looks like it's nft_fib_inet_eval() and
> nft_fib_netdev_eval() have the responsibility to choose a valid
> protocol or drop the package.
> I am not sure if it would be a good move to transfer this
> responsibility to nft_fib6_eval_type() and nft_fib6_eval(), so I would
> rather add the same test to nft_fib_netdev_eval().
>
> Does it make sense?

Please, update common code to netdev and ip6 extensions as Florian
suggests.

Thanks.