From: Stanislav Fomichev <stfomichev@gmail.com>
To: "Alexis Lothoré (eBPF Foundation)" <alexis.lothore@bootlin.com>
Cc: Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Mykola Lysenko <mykolal@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
ebpf@linuxfoundation.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Bastien Curutchet <bastien.curutchet@bootlin.com>,
bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf-next] selftests/bpf: ensure proper root namespace cleanup when test fail
Date: Mon, 2 Dec 2024 08:18:56 -0800 [thread overview]
Message-ID: <Z03d8FqVOVZJhxMu@mini-arch> (raw)
In-Reply-To: <20241128-small_flow_test_fix-v1-1-c12d45c98c59@bootlin.com>
On 11/28, Alexis Lothoré (eBPF Foundation) wrote:
> serial_test_flow_dissector_namespace manipulates both the root net
> namespace and a dedicated non-root net namespace. If for some reason a
> program attach on root namespace succeeds while it was expected to
> fail, the unexpected program will remain attached to the root namespace,
> possibly affecting other runs or even other tests in the same run.
>
> Fix undesired test failure side effect by explicitly detaching programs
> on failing tests expecting attach to fail. As a side effect of this
> change, do not test errno value if the tested operation do not fail.
>
> Fixes: 284ed00a59dd ("selftests/bpf: migrate flow_dissector namespace exclusivity test")
> Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
next prev parent reply other threads:[~2024-12-02 16:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-28 14:38 [PATCH bpf-next] selftests/bpf: ensure proper root namespace cleanup when test fail Alexis Lothoré (eBPF Foundation)
2024-12-02 16:18 ` Stanislav Fomichev [this message]
2024-12-02 19:10 ` patchwork-bot+netdevbpf
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