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Date: Thu, 17 Sep 2026 11:30:21 +0200
From: Florian Westphal <fw@strlen.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next] netfilter: nfnetlink_queue: hash queue instance
 by portid too
Message-ID: <aquzLbobvDTITG9t@strlen.de>
References: <20260916220047.95751-1-pablo@netfilter.org>
 <aqtuUg-rFmUZYoD0@strlen.de>
 <aquqvnzVYmnEISp5@chamomile>
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In-Reply-To: <aquqvnzVYmnEISp5@chamomile>

Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> > Needs threads that race to kill and resurrect the same queue all over
> > again, constantly.
> 
> I think this can happen with different queue number and same netlink
> portid.

You mean using several nfqueue instances at once from same fd?
Nobody does that.  This is a 20 years old interface.

And what would be the point...?  Other than trying to crash the kernel,
that is?