From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nft] tests: py: must use input, not output
Date: Tue, 7 Oct 2025 13:08:55 +0200 [thread overview]
Message-ID: <aOT0xy0PhC_vbIIN@calendula> (raw)
In-Reply-To: <20251007104852.3892-1-fw@strlen.de>
On Tue, Oct 07, 2025 at 12:48:49PM +0200, Florian Westphal wrote:
> synproxy must never be used in output rules, doing so results in kernel
> crash due to infinite recursive calls back to nf_hook_slow() for the
> emitted reply packet.
>
> Up until recently kernel lacked this validation, and now that the kernel
> rejects this the test fails. Use input to make this pass again.
>
> A new test to ensure we reject synproxy in ouput should be added
> in the near future.
>
> Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org>
Thanks.
next prev parent reply other threads:[~2025-10-07 11:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-07 10:48 [PATCH nft] tests: py: must use input, not output Florian Westphal
2025-10-07 11:08 ` Pablo Neira Ayuso [this message]
2025-10-07 11:33 ` Fernando Fernandez Mancera
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