linux-kernel - Re: [PATCH v5 bpf-next 2/2] selftests/bpf: Add a kernel flag test for LSM bpf hook

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Message-ID: <CAPhsuW7CROcbRnj1OseFHRe+uDDAXDen9yVO8XEDGQGD62FROA@mail.gmail.com>
Date: Fri, 7 Mar 2025 14:45:11 -0800
From: Song Liu <song@...nel.org>
To: Blaise Boscaccy <bboscaccy@...ux.microsoft.com>
Cc: Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>, 
	"Serge E. Hallyn" <serge@...lyn.com>, Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, John Fastabend <john.fastabend@...il.com>, 
	Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>, 
	Eduard Zingerman <eddyz87@...il.com>, Yonghong Song <yonghong.song@...ux.dev>, 
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
	Jiri Olsa <jolsa@...nel.org>, Stephen Smalley <stephen.smalley.work@...il.com>, 
	Ondrej Mosnacek <omosnace@...hat.com>, Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, 
	Kumar Kartikeya Dwivedi <memxor@...il.com>, Matt Bobrowski <mattbobrowski@...gle.com>, 
	Xu Kuohai <xukuohai@...wei.com>, linux-kernel@...r.kernel.org, 
	linux-security-module@...r.kernel.org, bpf@...r.kernel.org, 
	selinux@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v5 bpf-next 2/2] selftests/bpf: Add a kernel flag test for
 LSM bpf hook

On Fri, Mar 7, 2025 at 1:37 PM Blaise Boscaccy
<bboscaccy@...ux.microsoft.com> wrote:
>
> This test exercises the kernel flag added to security_bpf by
> effectively blocking light-skeletons from loading while allowing
> normal skeletons to function as-is. Since this should work with any
> arbitrary BPF program, an existing program from LSKELS_EXTRA was
> used as a test payload.
>
> Signed-off-by: Blaise Boscaccy <bboscaccy@...ux.microsoft.com>

This test is failing in CI, for example:

https://github.com/kernel-patches/bpf/actions/runs/13729932033/job/38405051864

Thanks,
Song