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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 174ACC433F5 for ; Thu, 7 Oct 2021 09:31:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFC2E60FC1 for ; Thu, 7 Oct 2021 09:31:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240740AbhJGJd1 (ORCPT ); Thu, 7 Oct 2021 05:33:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240739AbhJGJdZ (ORCPT ); Thu, 7 Oct 2021 05:33:25 -0400 Received: from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc [IPv6:2a0a:51c0:0:12e:520::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94234C061760 for ; Thu, 7 Oct 2021 02:31:32 -0700 (PDT) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1mYPkR-0006zh-26; Thu, 07 Oct 2021 11:31:31 +0200 Date: Thu, 7 Oct 2021 11:31:31 +0200 From: Florian Westphal To: Eugene Crosser Cc: Florian Westphal , netfilter-devel@vger.kernel.org, Jinpu Wang Subject: Re: In raw prerouting, `iif` matches different interfaces in different kernels when enslaved in a vrf Message-ID: <20211007093131.GC25730@breakpoint.cc> References: <17326577-1ab7-aaaa-0911-13ee131bdee0@average.org> <20211002185036.GJ2935@breakpoint.cc> <026e1d28-c76c-fab8-7766-98ad126dbd49@average.org> <20211006150301.GA7393@breakpoint.cc> <060e0d5e-b40f-204a-1894-c1eef8c8411d@average.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <060e0d5e-b40f-204a-1894-c1eef8c8411d@average.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Eugene Crosser wrote: > On 06/10/2021 17:03, Florian Westphal wrote: > > > > It looks like Jinpu Wang has found the offending > > > commit, it's 09e856d54bda5f28 "vrf: Reset skb conntrack connection on VRF > > > rcv" from Aug 15 2021. > > > > This change is very recent, you reported failure between 5.4 and 5.10, or was > > that already backported? > > > > This change doesn't influcence matching either, but it does zap the ct > > zone association afaics. > > Yes, looks like it was backported to Debian/Ubuntu kernels > > Jinpu reported that reverting the change restores the "old" behaviour. > > But we have not yet checked how it affects SNAT. Can you start a new thread on netdev and CC author of that commit and l3m/vrf maintainers/authors? I'm afraid you won't find anyone on the netfilter lists that can make any statements on what the VRF expectations are.