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From: Jakub Sitnicki <jakub@cloudflare.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: bpf <bpf@vger.kernel.org>, Networking <netdev@vger.kernel.org>,
	kernel-team <kernel-team@cloudflare.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Subject: Re: [PATCH bpf-next v5 15/15] selftests/bpf: Tests for BPF_SK_LOOKUP attach point
Date: Thu, 30 Jul 2020 15:10:31 +0200	[thread overview]
Message-ID: <87ft99w3lk.fsf@cloudflare.com> (raw)
In-Reply-To: <87lfj2wvf4.fsf@cloudflare.com>

On Wed, Jul 29, 2020 at 10:57 AM CEST, Jakub Sitnicki wrote:
> 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.

[...]

Once this fix-up finds its way to bpf-next, we will be able to re-enable
sk_loookup tests:

  https://lore.kernel.org/bpf/20200730125325.1869363-1-jakub@cloudflare.com/

And I now know that I need to test shell commands against BusyBox 'ip'
command implementation, that libbpf project uses in CI env.

  reply	other threads:[~2020-07-30 13:10 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17 10:35 [PATCH bpf-next v5 00/15] Run a BPF program on socket lookup Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 01/15] bpf, netns: Handle multiple link attachments Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 02/15] bpf: Introduce SK_LOOKUP program type with a dedicated attach point Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 03/15] inet: Extract helper for selecting socket from reuseport group Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 04/15] inet: Run SK_LOOKUP BPF program on socket lookup Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 05/15] inet6: Extract helper for selecting socket from reuseport group Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 06/15] inet6: Run SK_LOOKUP BPF program on socket lookup Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 07/15] udp: Extract helper for selecting socket from reuseport group Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 08/15] udp: Run SK_LOOKUP BPF program on socket lookup Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 09/15] udp6: Extract helper for selecting socket from reuseport group Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 10/15] udp6: Run SK_LOOKUP BPF program on socket lookup Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 11/15] bpf: Sync linux/bpf.h to tools/ Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 12/15] libbpf: Add support for SK_LOOKUP program type Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 13/15] tools/bpftool: Add name mappings for SK_LOOKUP prog and attach type Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 14/15] selftests/bpf: Add verifier tests for bpf_sk_lookup context access Jakub Sitnicki
2020-07-17 10:35 ` [PATCH bpf-next v5 15/15] selftests/bpf: Tests for BPF_SK_LOOKUP attach point Jakub Sitnicki
2020-07-28 20:13   ` Andrii Nakryiko
2020-07-28 20:47     ` Daniel Borkmann
2020-07-29  8:55       ` Jakub Sitnicki
2020-07-31  0:04         ` Daniel Borkmann
2020-07-29  8:57     ` Jakub Sitnicki
2020-07-30 13:10       ` Jakub Sitnicki [this message]
2020-07-30 19:43         ` Andrii Nakryiko
2020-07-17 16:40 ` [PATCH bpf-next v5 00/15] Run a BPF program on socket lookup Lorenz Bauer
2020-07-18  3:25   ` Alexei Starovoitov
2020-08-18 15:49 ` BPF sk_lookup v5 - TCP SYN and UDP 0-len flood benchmarks Jakub Sitnicki
2020-08-18 18:19   ` Alexei Starovoitov
2020-08-20 10:29     ` Jakub Sitnicki
2020-08-20 12:20       ` David Laight
2020-08-20 22:18       ` Alexei Starovoitov
2020-08-21 10:22         ` Jakub Sitnicki
2020-08-24  8:17     ` Paolo Abeni

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