netdev - Re: [PATCH bpf v3 2/2] selftests/bpf: Add test cases to assert proper ID tracking on spill

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Message-ID: <959b03dd-6672-228d-9205-f543374977a1@meta.com>
Date: Tue, 6 Jun 2023 18:40:05 -0700
From: Yonghong Song <yhs@...a.com>
To: Maxim Mikityanskiy <maxtram95@...il.com>, bpf@...r.kernel.org
Cc: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Eduard Zingerman
 <eddyz87@...il.com>,
        Maxim Mikityanskiy <maxim@...valent.com>, 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>, "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>
Subject: Re: [PATCH bpf v3 2/2] selftests/bpf: Add test cases to assert proper
 ID tracking on spill



On 6/6/23 2:42 PM, Maxim Mikityanskiy wrote:
> From: Maxim Mikityanskiy <maxim@...valent.com>
> 
> The previous commit fixed a verifier bypass by ensuring that ID is not
> preserved on narrowing spills. Add the test cases to check the
> problematic patterns.
> 
> Signed-off-by: Maxim Mikityanskiy <maxim@...valent.com>

Acked-by: Yonghong Song <yhs@...com>