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 693E0C54EBD for ; Sun, 8 Jan 2023 17:56:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233764AbjAHR4R (ORCPT ); Sun, 8 Jan 2023 12:56:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236106AbjAHR4J (ORCPT ); Sun, 8 Jan 2023 12:56:09 -0500 Received: from domac.alu.hr (domac.alu.unizg.hr [161.53.235.3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97517DF7E; Sun, 8 Jan 2023 09:56:06 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by domac.alu.hr (Postfix) with ESMTP id 30DAA604F0; Sun, 8 Jan 2023 18:56:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=alu.unizg.hr; s=mail; t=1673200564; bh=cFy19nqO0N/rhSk+x/Xbk7AN8qcY/NuNeS7fDEclcDk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=MntAe4S1+xnRIi2KmZ6YYRg5CMrQcoKB19K+5YZ5i7HEjSa2qKX3E0cYHGpVd1Htn vch5jOJOXv62y3CXQbIjjsUEZESYO4J/tGqaaC+KSvqTVqn6yIWrLc/UhTCG6IS/8Y lNxpqpB3wzpliVb/xYIQjedtJJG5eq1twLMG6iKgXy37raBX8+luPSDb3MHmEaFOwx sAbvxFp6M7zM7/xRkL9ucceBM4ULZsVo+ccqRuWu9gVovUpnY8FmBWQnZdfsQ7vySP 5/59kUDkEsEP8uSvzoW6NW/peFFDXRC1n7bEKgej6tXQwsKj/4jlFzPd0D7xHQx4EZ HPrVvKer66i7Q== X-Virus-Scanned: Debian amavisd-new at domac.alu.hr Received: from domac.alu.hr ([127.0.0.1]) by localhost (domac.alu.hr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zp4xA9GqTLLj; Sun, 8 Jan 2023 18:56:01 +0100 (CET) Received: from [192.168.0.12] (unknown [188.252.196.35]) by domac.alu.hr (Postfix) with ESMTPSA id A210C604F1; Sun, 8 Jan 2023 18:56:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=alu.unizg.hr; s=mail; t=1673200561; bh=cFy19nqO0N/rhSk+x/Xbk7AN8qcY/NuNeS7fDEclcDk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ujlhbDy0JzHx2y/4fSmdWLvXZDAt54KhtztTjC4+GebspozRbHHkEwEZhISvBBQlv Ch0sol339H4G03B1KVulopc5sLsZ4SIw7yTVSKAS8y4fk+FqEMJP8mQvlb3CQc0FfG ccEScBTeHhf5/uK/WiP9CSS/cetQ+5XVbQlFzTWFm7lbE02WpTZzcifp9PIdGTDrhg j/MGgQYERPdk76FTfcYMWZhdM6Wd0eGvV7kYzGjVKMJVSXzPDnk7G5jfxOXenEMRnD 3s17M+fIC6ArUTv71zb1SFm9T7Ndjq042OhCTpTcR7hGqnreAg9nrPAWQclCqEA4Lf 8EiogmljR2+/w== Message-ID: Date: Sun, 8 Jan 2023 18:55:59 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: BUG: tools/testing/selftests/net/l2_tos_ttl_inherit.sh hangs when selftest restarted Content-Language: en-US, hr To: Guillaume Nault Cc: linux-kselftest@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Matthias May References: <924f1062-ab59-9b88-3b43-c44e73a30387@alu.unizg.hr> <5ef41d3c-8d81-86b3-c571-044636702342@alu.unizg.hr> <81fdf2bc-4842-96d8-b124-43d0bd5ec124@alu.unizg.hr> <750cd534-1361-4102-67c5-2898814f8b4c@alu.unizg.hr> From: Mirsad Goran Todorovac In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 08. 01. 2023. 17:41, Guillaume Nault wrote: > On Sun, Jan 08, 2023 at 03:49:05PM +0100, Mirsad Goran Todorovac wrote: >> On 08. 01. 2023. 15:04, Guillaume Nault wrote: >> >>> For some reasons, your host doesn't accept the VXLAN packets received >>> over veth0. I guess there are some firewalling rules incompatible with >>> this tests script. >> >> That beats me. It is essentially a vanilla desktop AlmaLinux (CentOS fork) >> installation w 6.2-rc2 vanilla torvalds tree kernel. >> >> Maybe DHCPv4+DHCPv6 assigned address got in the way? > > I don't think so. The host sends an administratively prohibited > error. That's not an IP address conflict (and the script uses reserved > IP address ranges which shouldn't conflict with those assigned to regular > host). > > The problem looks more like what you get with some firewalling setup > (like an "iptables XXX -j REJECT --reject-with icmp-admin-prohibited" > command). To eliminate that, the only rules that seem to be enabled are those automatic, as this is essentially a desktop machine. This reminds me that I forgot to install fail2ban, I thought it came with the system ... [root@pc-mtodorov linux_torvalds]# iptables-save # Generated by iptables-save v1.8.4 on Sun Jan 8 18:50:53 2023 *filter :INPUT ACCEPT [15241235:25618772171] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [13209318:19634265528] :LIBVIRT_INP - [0:0] :LIBVIRT_OUT - [0:0] :LIBVIRT_FWO - [0:0] :LIBVIRT_FWI - [0:0] :LIBVIRT_FWX - [0:0] COMMIT # Completed on Sun Jan 8 18:50:53 2023 # Generated by iptables-save v1.8.4 on Sun Jan 8 18:50:53 2023 *security :INPUT ACCEPT [15163987:25613250223] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [13209319:19634265904] COMMIT # Completed on Sun Jan 8 18:50:53 2023 # Generated by iptables-save v1.8.4 on Sun Jan 8 18:50:53 2023 *raw :PREROUTING ACCEPT [15241455:25618791347] :OUTPUT ACCEPT [13209321:19634266304] COMMIT # Completed on Sun Jan 8 18:50:53 2023 # Generated by iptables-save v1.8.4 on Sun Jan 8 18:50:53 2023 *mangle :PREROUTING ACCEPT [15241455:25618791347] :INPUT ACCEPT [15241235:25618772171] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [13209322:19634266440] :POSTROUTING ACCEPT [13211416:19634553617] :LIBVIRT_PRT - [0:0] -A POSTROUTING -j LIBVIRT_PRT -A LIBVIRT_PRT -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill COMMIT # Completed on Sun Jan 8 18:50:53 2023 # Generated by iptables-save v1.8.4 on Sun Jan 8 18:50:53 2023 *nat :PREROUTING ACCEPT [282314:13237147] :INPUT ACCEPT [207948:8194212] :POSTROUTING ACCEPT [1351498:86025578] :OUTPUT ACCEPT [1351498:86025578] :LIBVIRT_PRT - [0:0] -A POSTROUTING -j LIBVIRT_PRT -A LIBVIRT_PRT -s 192.168.122.0/24 -d 224.0.0.0/24 -j RETURN -A LIBVIRT_PRT -s 192.168.122.0/24 -d 255.255.255.255/32 -j RETURN -A LIBVIRT_PRT -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535 -A LIBVIRT_PRT -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp -j MASQUERADE --to-ports 1024-65535 -A LIBVIRT_PRT -s 192.168.122.0/24 ! -d 192.168.122.0/24 -j MASQUERADE COMMIT # Completed on Sun Jan 8 18:50:53 2023 [root@pc-mtodorov linux_torvalds]# [root@pc-mtodorov linux_torvalds]# ip6tables-save # Generated by ip6tables-save v1.8.4 on Sun Jan 8 18:52:56 2023 *filter :INPUT ACCEPT [8458:771878] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [9605:895758] :LIBVIRT_INP - [0:0] :LIBVIRT_OUT - [0:0] :LIBVIRT_FWO - [0:0] :LIBVIRT_FWI - [0:0] :LIBVIRT_FWX - [0:0] -A INPUT -j LIBVIRT_INP -A FORWARD -j LIBVIRT_FWX -A FORWARD -j LIBVIRT_FWI -A FORWARD -j LIBVIRT_FWO -A OUTPUT -j LIBVIRT_OUT COMMIT # Completed on Sun Jan 8 18:52:56 2023 # Generated by ip6tables-save v1.8.4 on Sun Jan 8 18:52:56 2023 *security :INPUT ACCEPT [7327:586054] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [9605:895758] COMMIT # Completed on Sun Jan 8 18:52:56 2023 # Generated by ip6tables-save v1.8.4 on Sun Jan 8 18:52:56 2023 *raw :PREROUTING ACCEPT [10028:893325] :OUTPUT ACCEPT [9605:895758] COMMIT # Completed on Sun Jan 8 18:52:56 2023 # Generated by ip6tables-save v1.8.4 on Sun Jan 8 18:52:56 2023 *mangle :PREROUTING ACCEPT [9679:867735] :INPUT ACCEPT [8458:771878] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [9605:895758] :POSTROUTING ACCEPT [10500:1051905] :LIBVIRT_PRT - [0:0] -A POSTROUTING -j LIBVIRT_PRT COMMIT # Completed on Sun Jan 8 18:52:56 2023 # Generated by ip6tables-save v1.8.4 on Sun Jan 8 18:52:56 2023 *nat :PREROUTING ACCEPT [252:33745] :INPUT ACCEPT [105:21315] :POSTROUTING ACCEPT [2041:188025] :OUTPUT ACCEPT [2041:188025] :LIBVIRT_PRT - [0:0] -A POSTROUTING -j LIBVIRT_PRT COMMIT # Completed on Sun Jan 8 18:52:56 2023 [root@pc-mtodorov linux_torvalds]# >>> I can probably help with the l2tp.sh failure and maybe with the >>> fcnal-test.sh hang. Please report them in their own mail thread. >> >> Then I will Cc: you for sure on those two. >> >> But I cannot promise that this will be today. In fact, tomorrow is prognosed >> rain so I'd better use the remaining blue-sky-patched day to do some biking ;-) > > No hurry :) :) -- Mirsad Goran Todorovac Sistem inženjer Grafički fakultet | Akademija likovnih umjetnosti Sveučilište u Zagrebu System engineer Faculty of Graphic Arts | Academy of Fine Arts University of Zagreb, Republic of Croatia The European Union