# Re: \[PATCH v2 net-next\] hv\_netvsc: Copy packets sent by Hyper-V out of the receive buffer

- From: Andrea Parri \<parri.andrea@gmail.com\>
- Date: 2021-02-02 08:21:39 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/02/6254788
- Thread: https://ratatoskr.run/linux-hyperv/2021/01/6248251/t.md

```text
Hi net maintainers,


On Sat, Jan 30, 2021 at 12:50:06AM +0000, patchwork-bot+netdevbpf@kernel.org wrote:
> Hello:
> 
> This patch was applied to netdev/net-next.git (refs/heads/master):
> 
> On Tue, 26 Jan 2021 17:29:07 +0100 you wrote:
> > Pointers to receive-buffer packets sent by Hyper-V are used within the
> > guest VM.  Hyper-V can send packets with erroneous values or modify
> > packet fields after they are processed by the guest.  To defend against
> > these scenarios, copy (sections of) the incoming packet after validating
> > their length and offset fields in netvsc_filter_receive().  In this way,
> > the packet can no longer be modified by the host.
> > 
> > [...]
> 
> Here is the summary with links:
>   - [v2,net-next] hv_netvsc: Copy packets sent by Hyper-V out of the receive buffer
>     https://git.kernel.org/netdev/net-next/c/0ba35fe91ce3

I'd have some fixes on top of this and I'm wondering about the process: would
you consider fixes/patches on top of this commit now? would you rather prefer
me to squash these fixes into a v3? other?

Thanks,
  Andrea
```