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From: Xu Kuohai <xukuohai@huaweicloud.com>
To: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	John Fastabend <john.fastabend@gmail.com>,
	Andrii Nakryiko <andrii@kernel.org>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>,
	KP Singh <kpsingh@kernel.org>,
	Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
	Jiri Olsa <jolsa@kernel.org>, Mykola Lysenko <mykolal@fb.com>,
	Shuah Khan <shuah@kernel.org>
Subject: [PATCH bpf-next 0/2] update 32-bit bounds when the lower 32-bit value is not wrapping
Date: Tue,  7 Mar 2023 17:04:47 -0500	[thread overview]
Message-ID: <20230307220449.2933650-1-xukuohai@huaweicloud.com> (raw)

This patchset updates __reg_combine_64_into_32 function to set 32-bit bounds
when lower 32-bit value is not wrapping, and add cases to for it.

Xu Kuohai (2):
  bpf: update 32-bit bounds when the lower 32-bit value is not wrapping
  selftests/bpf: check bounds not in the 32-bit range

 kernel/bpf/verifier.c                         |  27 ++--
 tools/testing/selftests/bpf/verifier/bounds.c | 121 ++++++++++++++++++
 2 files changed, 132 insertions(+), 16 deletions(-)

-- 
2.30.2


             reply	other threads:[~2023-03-07  9:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-07 22:04 Xu Kuohai [this message]
2023-03-07 22:04 ` [PATCH bpf-next 1/2] bpf: update 32-bit bounds when the lower 32-bit value is not wrapping Xu Kuohai
2023-03-07  9:21   ` Xu Kuohai
2023-03-07 17:22   ` Alexei Starovoitov
2023-03-08 10:05     ` Xu Kuohai
2023-03-07 22:04 ` [PATCH bpf-next 2/2] selftests/bpf: check bounds not in the 32-bit range Xu Kuohai

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