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Subject: Re: [PATCH bpf-next v1] selftests/bpf: Fix flaky bpf_nf test when
 random
 NAT port is 0
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <178854120589.442795.9129340051112718540.git-patchwork-notify@kernel.org>
Date: Fri, 04 Sep 2026 17:00:05 +0000
References: <20260904073745.363314-1-jiayuan.chen@linux.dev>
In-Reply-To: <20260904073745.363314-1-jiayuan.chen@linux.dev>
To: Jiayuan Chen <jiayuan.chen@linux.dev>
Cc: bpf@vger.kernel.org, andrii@kernel.org, eddyz87@gmail.com,
 ihor.solodrai@linux.dev, ast@kernel.org, daniel@iogearbox.net,
 memxor@gmail.com, martin.lau@linux.dev, song@kernel.org,
 yonghong.song@linux.dev, jolsa@kernel.org, emil@etsalapatis.com,
 shuah@kernel.org, chenyy23@mails.tsinghua.edu.cn, puranjay@kernel.org,
 lorenzo@kernel.org, linux-kselftest@vger.kernel.org,
 linux-kernel@vger.kernel.org

Hello:

This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Fri,  4 Sep 2026 15:37:39 +0800 you wrote:
> The bpf_nf test allocs a ct, sets snat and dnat with random addr and
> port via bpf_ct_set_nat_info(), then looks the ct up and checks the
> reply tuple against what was set.
> 
> The port comes from bpf_get_prandom_u32() and can be 0. For
> bpf_ct_set_nat_info(), port 0 means "port not specified", so only the
> addr is mapped and the kernel keeps the original port. The check then
> compares that port with 0 and fails, which shows up as a flaky
> "Test for source natting" failure in CI [1][2].
> 
> [...]

Here is the summary with links:
  - [bpf-next,v1] selftests/bpf: Fix flaky bpf_nf test when random NAT port is 0
    https://git.kernel.org/bpf/bpf/c/5e8c349bc8d7

You are awesome, thank you!
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