netdev - Re: [PATCH v2 net] veth: ensure skb entering GRO are not cloned.

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Message-Id: <164028241006.22568.8492617980266258015.git-patchwork-notify@kernel.org>
Date:   Thu, 23 Dec 2021 18:00:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, ignat@...udflare.com, edumazet@...gle.com
Subject: Re: [PATCH v2 net] veth: ensure skb entering GRO are not cloned.

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 22 Dec 2021 19:39:52 +0100 you wrote:
> After commit d3256efd8e8b ("veth: allow enabling NAPI even without XDP"),
> if GRO is enabled on a veth device and TSO is disabled on the peer
> device, TCP skbs will go through the NAPI callback. If there is no XDP
> program attached, the veth code does not perform any share check, and
> shared/cloned skbs could enter the GRO engine.
> 
> Ignat reported a BUG triggered later-on due to the above condition:
> 
> [...]

Here is the summary with links:
  - [v2,net] veth: ensure skb entering GRO are not cloned.
    https://git.kernel.org/netdev/net/c/9695b7de5b47

You are awesome, thank you!
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