netdev - Re: [PATCH bpf] xsk: fix corrupted packets for XDP_SHARED

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Message-Id: <166057776811.2541.7242231014016155643.git-patchwork-notify@kernel.org>
Date:   Mon, 15 Aug 2022 15:36:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Magnus Karlsson <magnus.karlsson@...il.com>
Cc:     magnus.karlsson@...el.com, bjorn@...nel.org, ast@...nel.org,
        daniel@...earbox.net, netdev@...r.kernel.org,
        maciej.fijalkowski@...el.com, jonathan.lemon@...il.com,
        bpf@...r.kernel.org, alasdair.mcwilliam@...look.com,
        dnevil@...rusion.com
Subject: Re: [PATCH bpf] xsk: fix corrupted packets for XDP_SHARED_UMEM

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Fri, 12 Aug 2022 13:32:59 +0200 you wrote:
> From: Magnus Karlsson <magnus.karlsson@...el.com>
> 
> Fix an issue in XDP_SHARED_UMEM mode together with aligned mode were
> packets are corrupted for the second and any further sockets bound to
> the same umem. In other words, this does not affect the first socket
> bound to the umem. The culprit for this bug is that the initialization
> of the DMA addresses for the pre-populated xsk buffer pool entries was
> not performed for any socket but the first one bound to the umem. Only
> the linear array of DMA addresses was populated. Fix this by
> populating the DMA addresses in the xsk buffer pool for every socket
> bound to the same umem.
> 
> [...]

Here is the summary with links:
  - [bpf] xsk: fix corrupted packets for XDP_SHARED_UMEM
    https://git.kernel.org/bpf/bpf/c/58ca14ed98c8

You are awesome, thank you!
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