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Date: Mon, 6 Apr 2026 19:10:31 +0200
From: Florian Westphal <fw@strlen.de>
To: Fernando Fernandez Mancera <fmancera@suse.de>
Cc: Scott Mitchell <scott.k.mitch1@gmail.com>,
	netfilter-devel@vger.kernel.org
Subject: Re: nfnetlink_queue crashes kernel
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Fernando Fernandez Mancera <fmancera@suse.de> wrote:
> On 4/4/26 11:40 AM, Florian Westphal wrote:
> > I had a go at adding a stress test but its not
> > triggering for me even if i run it for 10m.
> 
> Bingo! I modified the test you attached a bit to include your 
> suggestions and I got the splat on virtme-ng when running the test. See 
> the whole splat attached below.
> I am going to test your proposed patch and check out the results. In 
> addition I will do some cleanup and send this as a formal nf-next patch.

Thanks Fernando, this helps a lot.

Given the revert isn't clean and the per-queue ht fix isn't larger
than the (modified...) revert I am still considering to apply the fix
to nf instead of revert + nf-next defer.