From: Yonghong Song <yonghong.song@linux.dev>
To: Lin Ma <malin89@huawei.com>, Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
bpf@vger.kernel.org
Cc: Andrii Nakryiko <andrii@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Song Liu <song@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
YiFei Zhu <zhuyifei@google.com>, Shuah Khan <shuah@kernel.org>,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
Amery Hung <ameryhung@gmail.com>,
Rongzhen Cui <cuirongzhen@huawei.com>,
Jingguo Tan <tanjingguo@huawei.com>,
cenxianlong@huawei.com, chenzhe@huawei.com
Subject: Re: [PATCH v4 2/2] selftests/bpf: Cover tail-call cgroup storage prog-array checks
Date: Thu, 4 Jun 2026 11:08:38 -0700 [thread overview]
Message-ID: <ccd440c0-a507-404d-8f7b-01bb9ad73d94@linux.dev> (raw)
In-Reply-To: <20260604070318.2869813-2-malin89@huawei.com>
On 6/4/26 12:03 AM, Lin Ma wrote:
> Add tail-call selftests for prog-array ownership when cgroup storage is
> in use. Verify that loading succeeds when callers and callees reuse the
> owner's cgroup storage map, and that loading fails for a different
> storage map and for the A(storage) -> B(no storage) -> C(storage)
> bridge case from patch 1.
>
> Suggested-by: Leon Hwang <leon.hwang@linux.dev>
> Signed-off-by: Lin Ma <malin89@huawei.com>
> Signed-off-by: Rongzhen Cui <cuirongzhen@huawei.com>
> Signed-off-by: Jingguo Tan <tanjingguo@huawei.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
next prev parent reply other threads:[~2026-06-04 18:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-04 7:03 [PATCH v4 1/2] bpf: Tighten cgroup storage cookie checks for prog arrays Lin Ma
2026-06-04 7:03 ` [PATCH v4 2/2] selftests/bpf: Cover tail-call cgroup storage prog-array checks Lin Ma
2026-06-04 18:08 ` Yonghong Song [this message]
2026-06-04 7:48 ` [PATCH v4 1/2] bpf: Tighten cgroup storage cookie checks for prog arrays bot+bpf-ci
2026-06-04 16:56 ` Yonghong Song
2026-06-05 23:16 ` Daniel Borkmann
2026-06-06 3:58 ` Yonghong Song
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