linux-kernel - Re: [PATCH v5 1/1] net: br_netfiler_hooks: Drops IPv6 packets if IPv6 module is not loaded

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Date:   Mon, 2 Sep 2019 23:20:08 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Leonardo Bras <leonardo@...ux.ibm.com>
Cc:     netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        bridge@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>,
        Roopa Prabhu <roopa@...ulusnetworks.com>,
        Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH v5 1/1] net: br_netfiler_hooks: Drops IPv6 packets if
 IPv6 module is not loaded

On Sat, Aug 31, 2019 at 01:40:33AM -0300, Leonardo Bras wrote:
> A kernel panic can happen if a host has disabled IPv6 on boot and have to
> process guest packets (coming from a bridge) using it's ip6tables.
> 
> IPv6 packets need to be dropped if the IPv6 module is not loaded, and the
> host ip6tables will be used.

Applied, thanks.