# Re: \[PATCH net\] ip\_gre: validate csum\_start only on pull

- From: patchwork-bot+netdevbpf@kernel.org
- Date: 2021-09-05 18:01:19 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/09/11210875
- Thread: https://ratatoskr.run/netdev/2021/09/11210869/t.md

```text
Hello:

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

On Sun,  5 Sep 2021 11:21:09 -0400 you wrote:
> From: Willem de Bruijn <willemb@google.com>
> 
> The GRE tunnel device can pull existing outer headers in ipge_xmit.
> This is a rare path, apparently unique to this device. The below
> commit ensured that pulling does not move skb->data beyond csum_start.
> 
> But it has a false positive if ip_summed is not CHECKSUM_PARTIAL and
> thus csum_start is irrelevant.
> 
> [...]

Here is the summary with links:
  - [net] ip_gre: validate csum_start only on pull
    https://git.kernel.org/netdev/net/c/8a0ed250f911

You are awesome, thank you!
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```