From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D97C3EB64DD for ; Tue, 1 Aug 2023 08:13:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231952AbjHAINh (ORCPT ); Tue, 1 Aug 2023 04:13:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232164AbjHAINd (ORCPT ); Tue, 1 Aug 2023 04:13:33 -0400 Received: from taras.nevrast.org (unknown [IPv6:2a05:d01c:431:aa03:b7e1:333d:ea2a:b14e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8D2F1FFD for ; Tue, 1 Aug 2023 01:13:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=azazel.net; s=20220717; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=MKd5kaH22z2TdiO/QwaJPIVyWY8mPNjo/omd8r4inwY=; b=HLxy0tX4ENuJy2erRn2NQPVcsC 47L03hrCE3jC+rXoCA24zeBUtVWpKmXe0UDdy4JKtjoiDum4xmTg3qgF7gM/zr/xV0DWzY3ntgjDP FqLCHVpHFq3/lKAY6ats/biG0iWQgERyo3pligTo5/l0mUHVATFu7n/KeCmLR2Js63Yq/UNWlQY3/ V4OELzvh4H+GCPmNoC7O83zMDKEIYh84h0E1rW+JyfsZ/8uzxT7ocgcYIAMEuO1WFgr8Fof5x86Tg etjzkiOJqFAFfRxHCLAldyOR5ItqwrI1n/clAiuLmQwoP/DUFqxMaif2znpV1JQbcdZZxEE91+3nM OnhqSJMg==; Received: from celephais.dreamlands.azazel.net ([2001:8b0:fb7d:d6d7:3c21:9cff:fe2f:35f] helo=celephais.dreamlands) by taras.nevrast.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1qQkVR-000j0t-30; Tue, 01 Aug 2023 09:13:25 +0100 Date: Tue, 1 Aug 2023 09:13:24 +0100 From: Jeremy Sowden To: Florian Westphal Cc: Netfilter Devel , Pablo Neira Ayuso Subject: Re: ulogd2 patch ping Message-ID: <20230801081324.GJ84273@celephais.dreamlands> References: <20230725191128.GE84273@celephais.dreamlands> <20230726143533.GB2963@breakpoint.cc> <20230731221513.GA32288@breakpoint.cc> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="zXf8p6IEASpSptKA" Content-Disposition: inline In-Reply-To: <20230731221513.GA32288@breakpoint.cc> X-SA-Exim-Connect-IP: 2001:8b0:fb7d:d6d7:3c21:9cff:fe2f:35f X-SA-Exim-Mail-From: jeremy@azazel.net X-SA-Exim-Scanned: No (on taras.nevrast.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org --zXf8p6IEASpSptKA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2023-08-01, at 00:15:13 +0200, Florian Westphal wrote: > Florian Westphal wrote: > > I'll apply it on Friday in case noone objects until then. >=20 > Just for completeness: I did not apply it due to the unanswered > question from Pablo. Thanks, Florian. I had hoped to have reponded over the week-end, but I was busier than I expected and didn't pick this up again till yesterday evening. Answers should be forthcoming soon. > Also, don't we risk ambiguity here, or is there a guarantee that > kernel never emits mapped addresses? It would indeed mean that real ipv4-in-ipv6 addresses would be output in ipv4 format. It's been several months, so I can't quite remember my thinking, but I probably inclined towards regarding the ambiguity as benign. I have spotted a problem with the existing patch, however, so another version will definitely be needed, and I can look at eliminating the ambiguity at the same time. J. --zXf8p6IEASpSptKA Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEbB20U2PvQDe9VtUXKYasCr3xBA0FAmTIvp4ACgkQKYasCr3x BA3EZA//RGUBvVe00mZ3aV2FEr10FP0ks3y14px2MDZrI9iZueBiU5FkpW/tH7nK Sm78cjDyJ/x1ONCmubLGZSp4edLOsLNPA7NBNasb8Ffjoy4fGdlC5oGxkB2xqA64 mSal8eu2YDtl96dIxVZG/YZzAZFCG4IbpXnPDfLJti8iyZ/En69n+Ers07E/H/Gf NwGq3ScQKt8I26gv2BICOssFNW80VKJEN3KAiShteWEULLhgIGqAr8zCz4Mg5Bp7 CV251S44SBjrZnk8SdGTE10VyPKvCaR1Hlf+nNR0poqa/20IAcdSZtztkj1rol/1 Qrl2Eui8S5sjGDonEOFCkU8mUgIiVbjo8PXZ7fLvni0QYANH0izoILbC0LbHWddQ LZ8NfOjRfI4AmxWZNTDBbBacuqEBQHt9KxLgR0Pkwqxtm7rGaQioSxjQSI3qI6jp AmlJAnuIYQLGJXZAyP1MP/mWKT8dj7xT0PUaYX9qcoJLAJOEu7JHs5eJlm5ow8IB VPHo59CX0QLFvbyXmfMBEOEutFkEf+hE4hwSUxMyDU6mbJNsN0049HlgfKYt0ceP Mc2THByqyJXlwEgIa7uXG9YzOjnVeKNtaPej510axCDb9se9gRcI8s6DktoE/2Mr yOSZf6+PLIUQo3AlPUVD/gGYwrCCBgBN1CEqDYDrlCKGLrs0QU4= =n0Jt -----END PGP SIGNATURE----- --zXf8p6IEASpSptKA--