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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B665CC433DF for ; Wed, 29 Jul 2020 08:57:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 914782075D for ; Wed, 29 Jul 2020 08:57:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=cloudflare.com header.i=@cloudflare.com header.b="Z6fDlWE5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727042AbgG2I5Z (ORCPT ); Wed, 29 Jul 2020 04:57:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726299AbgG2I5Y (ORCPT ); Wed, 29 Jul 2020 04:57:24 -0400 Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37457C0619D2 for ; Wed, 29 Jul 2020 01:57:23 -0700 (PDT) Received: by mail-lj1-x233.google.com with SMTP id q4so24218832lji.2 for ; Wed, 29 Jul 2020 01:57:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=references:user-agent:from:to:cc:subject:in-reply-to:date :message-id:mime-version; bh=HJ8+zYD3bs4pqtCvGKcax5bNzzsJHKop3reao1BJkN4=; b=Z6fDlWE51ldGySvarHMCC6+uPer7n1UtqYxQlJE+C95Hqhex43fAaqwYPVmICPiknJ /m4bRedvXo5nbVi1vwk0xbn/HicGFNDSfEww3WBvScxgQrJ2l5v5e+OuV+tgIL7zoAJm 74JLsoQbtpIJg9wYGLO3Adi8dGFZKNDKu3Y88= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:references:user-agent:from:to:cc:subject :in-reply-to:date:message-id:mime-version; bh=HJ8+zYD3bs4pqtCvGKcax5bNzzsJHKop3reao1BJkN4=; b=X1InW9pVChyfyxvESBwuuGqRseUI6QB8ohJ78ooaQrRkFzUEsfolZeyXJeri2OmQbi gIFVkmOTPGlFyPvYYG11r/K1q3NvHgJvI/8zHbEjpVZ/9NQg+PdC/wpxx8Qlr5d/O6BS W0oNKn7N1PiZ9Dbg8IBvoJRWFF3fUr05NYDLsE0LZZkWjAbfRPCYnuEe7Zap4SirDm08 YcnMT5iTaCCpjjJNFKq+AUuGdwuAHESUyPW9kxIz8K66cAA7n+Jw64egrqy5OYuJmZcq gzcH30W/EVNPtOR0aAOxB8rCXFxkUsIpDW0pvtNFL573nd2+D5fvXFVeynJeePGEcso+ HXIw== X-Gm-Message-State: AOAM533vzYxi83yVLBujzEVVIOlaUH+CLGm79NlqS3wqOeqowaWShJu5 tNyVrCNWoUE24xX36U4V99MPpA== X-Google-Smtp-Source: ABdhPJzbWvg2bw0pnhEF8NeG+bvvG7WogBjX2YSk6HCKFVj7J3VWmPfFIEhMQzpOY8z12QQvYW94sg== X-Received: by 2002:a2e:8191:: with SMTP id e17mr13445217ljg.339.1596013041555; Wed, 29 Jul 2020 01:57:21 -0700 (PDT) Received: from cloudflare.com ([2a02:a310:c262:aa00:b35e:8938:2c2a:ba8b]) by smtp.gmail.com with ESMTPSA id j1sm269388ljb.35.2020.07.29.01.57.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Jul 2020 01:57:20 -0700 (PDT) References: <20200717103536.397595-1-jakub@cloudflare.com> <20200717103536.397595-16-jakub@cloudflare.com> User-agent: mu4e 1.1.0; emacs 26.3 From: Jakub Sitnicki To: Andrii Nakryiko Cc: bpf , Networking , kernel-team , Alexei Starovoitov , Daniel Borkmann , "David S. Miller" , Jakub Kicinski Subject: Re: [PATCH bpf-next v5 15/15] selftests/bpf: Tests for BPF_SK_LOOKUP attach point In-reply-to: Date: Wed, 29 Jul 2020 10:57:19 +0200 Message-ID: <87lfj2wvf4.fsf@cloudflare.com> MIME-Version: 1.0 Content-Type: text/plain Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hi Andrii, On Tue, Jul 28, 2020 at 10:13 PM CEST, Andrii Nakryiko wrote: [...] > We are getting this failure in Travis CI when syncing libbpf [0]: > > ``` > ip: either "local" is duplicate, or "nodad" is garbage > > switch_netns:PASS:unshare 0 nsec > > switch_netns:FAIL:system failed > > (/home/travis/build/libbpf/libbpf/travis-ci/vmtest/bpf-next/tools/testing/selftests/bpf/prog_tests/sk_lookup.c:1310: > errno: No such file or directory) system(ip -6 addr add dev lo > fd00::1/128 nodad) > > #73 sk_lookup:FAIL > ``` > > > Can you please help fix it so that it works in a Travis CI environment > as well? For now I disabled sk_lookup selftests altogether. You can > try to repro it locally by forking https://github.com/libbpf/libbpf > and enabling Travis CI for your account. See [1] for the PR that > disabled sk_lookup. > > > [0] https://travis-ci.com/github/libbpf/libbpf/jobs/365878309#L5408 > [1] https://github.com/libbpf/libbpf/pull/182/commits/78368c2eaed8b0681381fc34d6016c9b5a443be8 > > > Thanks for your help! "nodad is garbage" message smells like old iproute2. I will take a look. Thanks for letting me know.