linux-kernel - [PATCH bpf-next 0/2] update 32-bit bounds when the lower 32-bit value is not wrapping

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Date:   Tue,  7 Mar 2023 17:04:47 -0500
From:   Xu Kuohai <xukuohai@...weicloud.com>
To:     bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     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>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>
Subject: [PATCH bpf-next 0/2] update 32-bit bounds when the lower 32-bit value is not wrapping

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