linux-kernel - Re: [PATCH bpf-next v1 0/4] bpf, sockmap: Fix data loss and panic issues

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Message-Id: 
 <174425463772.3131897.3560283890937950515.git-patchwork-notify@kernel.org>
Date: Thu, 10 Apr 2025 03:10:37 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jiayuan Chen <jiayuan.chen@...ux.dev>
Cc: bpf@...r.kernel.org, mrpre@....com, john.fastabend@...il.com,
 jakub@...udflare.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, horms@...nel.org, ast@...nel.org,
 daniel@...earbox.net, andrii@...nel.org, martin.lau@...ux.dev,
 eddyz87@...il.com, song@...nel.org, yonghong.song@...ux.dev,
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 mykolal@...com, shuah@...nel.org, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH bpf-next v1 0/4] bpf, sockmap: Fix data loss and panic issues

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Mon,  7 Apr 2025 22:21:19 +0800 you wrote:
> I was writing a benchmark based on sockmap + TCP and discovered several
> issues:
> 
> 1. When EAGAIN occurs, the direction of skb is incorrect, causing data
>    loss when retry.
> 2. When sending partial data, the offset is not recorded, leading to
>    duplicate data being sent when retry.
> 3. An unexpected BUG_ON() judgment in skb_linearize is triggered.
> 4. The memory of psock->ingress_skb is not limited by the socket buffer
>    and memcg.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v1,1/4] bpf, sockmap: Fix data lost during EAGAIN retries
    https://git.kernel.org/bpf/bpf-next/c/7683167196bd
  - [bpf-next,v1,2/4] bpf, sockmap: fix duplicated data transmission
    https://git.kernel.org/bpf/bpf-next/c/3b4f14b79428
  - [bpf-next,v1,3/4] bpf, sockmap: Fix panic when calling skb_linearize
    https://git.kernel.org/bpf/bpf-next/c/5ca2e29f6834
  - [bpf-next,v1,4/4] selftest/bpf/benchs: Add benchmark for sockmap usage
    https://git.kernel.org/bpf/bpf-next/c/7b2fa44de5e7

You are awesome, thank you!
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