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Date:   Thu, 20 Aug 2020 23:19:21 -0700
From:   Yonghong Song <>
To:     Udip Pant <>, Alexei Starovoitov <>,
        Martin KaFai Lau <>,
        Song Liu <>,
        Andrii Nakryiko <>,
        "David S . Miller" <>
CC:     <>, <>,
Subject: Re: [PATCH v2 bpf 2/2] selftests/bpf: add test for freplace program
 with write access

On 8/20/20 5:28 PM, Udip Pant wrote:
> This adds a selftest that tests the behavior when a freplace target program
> attempts to make a write access on a packet. The expectation is that the read or write
> access is granted based on the program type of the linked program and
> not itself (which is of type, for e.g., BPF_PROG_TYPE_EXT).
> This test fails without the associated patch on the verifier.
> Signed-off-by: Udip Pant <>
> ---

Acked-by: Yonghong Song <>

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