From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Jakub Sitnicki <jakub@cloudflare.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 12:43:11 -0700 [thread overview]
Message-ID: <CAEf4BzbUEWp+TBjRXaL2XN8GwKYMJPO+PpRJ0uqgh2kOXKvBzg@mail.gmail.com> (raw)
In-Reply-To: <87ft99w3lk.fsf@cloudflare.com>
On Thu, Jul 30, 2020 at 6:10 AM Jakub Sitnicki <jakub@cloudflare.com> wrote:
>
> 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.
Thanks! I still see some (other) failures, it might be that our
environment is not full enough or something (you also mentioned some
other fix to Daniel, that might help as well, dunno). But your fix is
good nevertheless.
next prev parent reply other threads:[~2020-07-30 19:43 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
2020-07-30 19:43 ` Andrii Nakryiko [this message]
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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