linux-kernel - Re: Soft lock-ups caused by iptables

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Message-ID: <20251121205935.GA31175@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
Date: Fri, 21 Nov 2025 12:59:35 -0800
From: Hamza Mahfooz <hamzamahfooz@...ux.microsoft.com>
To: Pablo Neira Ayuso <pablo@...filter.org>
Cc: Florian Westphal <fw@...len.de>, Phil Sutter <phil@....cc>,
	netdev@...r.kernel.org, Jozsef Kadlecsik <kadlec@...filter.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>, netfilter-devel@...r.kernel.org,
	coreteam@...filter.org, linux-kernel@...r.kernel.org
Subject: Re: Soft lock-ups caused by iptables

On Thu, Nov 20, 2025 at 10:07:30PM +0100, Pablo Neira Ayuso wrote:
> Could you also give a try to this small patch:
> 
> https://lore.kernel.org/netfilter-devel/aR27zHy5Mp4x-rrL@strlen.de/T/#mc6b8e6b02a4a46a62f443912d8122c8529df0c88
> https://patchwork.ozlabs.org/project/netfilter-devel/patch/20251119124205.124376-1-pablo@netfilter.org/
> (patchwork.ozlabs.org is a bit slow today)

The issue is still reproducible with that patch applied (the stack trace
doesn't seem to be any different as well).