netdev - Re: [PATCH bpf v2] xsk: fix for xp_aligned_validate_desc() when len == chunk

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Date:   Mon, 03 May 2021 22:40:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Cc:     bpf@...r.kernel.org, bjorn@...nel.org, magnus.karlsson@...el.com,
        jonathan.lemon@...il.com, davem@...emloft.net, kuba@...nel.org,
        ast@...nel.org, daniel@...earbox.net, hawk@...nel.org,
        john.fastabend@...il.com, andrii@...nel.org, kafai@...com,
        songliubraving@...com, yhs@...com, kpsingh@...nel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH bpf v2] xsk: fix for xp_aligned_validate_desc() when len ==
 chunk_size

Hello:

This patch was applied to bpf/bpf.git (refs/heads/master):

On Wed, 28 Apr 2021 17:44:24 +0800 you wrote:
> When desc->len is equal to chunk_size, it is legal. But
> xp_aligned_validate_desc() got "chunk_end" by desc->addr + desc->len
> pointing to the next chunk during the check, which caused the check to
> fail.
> 
> Related commit:
> commit 2b43470add8c ("xsk: Introduce AF_XDP buffer allocation API")
> commit 26062b185eee ("xsk: Explicitly inline functions and move
>                     definitions")
> 
> [...]

Here is the summary with links:
  - [bpf,v2] xsk: fix for xp_aligned_validate_desc() when len == chunk_size
    https://git.kernel.org/bpf/bpf/c/ac31565c2193

You are awesome, thank you!
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