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Message-ID: <55aeff56-157d-4513-ac19-fcdba91bc745@oracle.com>
Date: Tue, 30 Jul 2024 18:32:09 +0100
From: Alan Maguire <alan.maguire@...cle.com>
To: Alexis Lothoré (eBPF Foundation)
<alexis.lothore@...tlin.com>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <martin.lau@...ux.dev>,
Eduard Zingerman
<eddyz87@...il.com>, Song Liu <song@...nel.org>,
Yonghong Song <yonghong.song@...ux.dev>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>
Cc: ebpf@...uxfoundation.org, Thomas Petazzoni
<thomas.petazzoni@...tlin.com>,
bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next v3 1/3] selftests/bpf: do not disable /dev/null
device access in cgroup dev test
On 30/07/2024 12:59, Alexis Lothoré (eBPF Foundation) wrote:
> test_dev_cgroup currently loads a small bpf program allowing any access on
> urandom and zero devices, disabling access to any other device. It makes
> migrating this test to test_progs impossible, since this one manipulates
> extensively /dev/null.
>
> Allow /dev/null manipulation in dev_cgroup program to make its usage in
> test_progs framework possible. Update test_dev_cgroup.c as well to match
> this change while it has not been removed.
>
> Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@...tlin.com>
Reviewed-by: Alan Maguire <alan.maguire@...cle.com>
> ---
> tools/testing/selftests/bpf/progs/dev_cgroup.c | 4 ++--
> tools/testing/selftests/bpf/test_dev_cgroup.c | 18 +++++++++---------
> 2 files changed, 11 insertions(+), 11 deletions(-)
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