linux-kernel - Re: [PATCH bpf-next 2/2] selftests/bpf: check null propagation only neither reg is PTR_TO_BTF

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Date:   Mon, 12 Dec 2022 15:22:49 -0800
From:   Yonghong Song <yhs@...a.com>
To:     Hao Sun <sunhao.th@...il.com>, bpf@...r.kernel.org
Cc:     ast@...nel.org, daniel@...earbox.net, john.fastabend@...il.com,
        andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
        yhs@...com, kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
        jolsa@...nel.org, davem@...emloft.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next 2/2] selftests/bpf: check null propagation only
 neither reg is PTR_TO_BTF_ID



On 12/11/22 8:15 PM, Hao Sun wrote:
> Verify that nullness information is not porpagated in the branches
> of register to register JEQ and JNE operations if one of them is
> PTR_TO_BTF_ID.
> 
> Signed-off-by: Hao Sun <sunhao.th@...il.com>

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