Re: [PATCH nf] netfilter: x_tables: set module owner for builtin matches/targets

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Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> On Wed, Jul 04, 2018 at 07:39:54PM +0200, Pablo Neira Ayuso wrote:
> > On Thu, Jun 28, 2018 at 05:55:49PM +0200, Florian Westphal wrote:
> > > nft_compat relies on xt_request_find_match/target to increment
> > > refcount of the module that provides the match/target.
> > > 
> > > The builtin modules/targets currently did't set the module owner so it
> > > was possible to rmmod ip(6)tables while extensions were still in use.
> > 
> > Applied, thanks.
> 
> Oh, wait this one too.
> 
> The following are not supported by nft_compat:
> 
> * ebt_standard_target
> * ipt_builtin_tg
> * ip6t_builtin_tg
> 
> So I think we only need it for icmp and icmpv6.

Hmm, how is that not supported?

I don't see anything that prevents their use.
Can you elaborate?
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