Re: [PATCH net] vhost-net: fix TX stall when vhost owns virtio-net header

[email protected] Tue, 21 Jul 2026 13:20:06 +0000

Newsgroups	dev.linux.lists.virtualization,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID	<178464000690.281806.12019184491759783883.git-patchwork-notify@kernel.org>

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <[email protected]>:

On Wed, 8 Jul 2026 16:22:42 +0100 you wrote:
> From: Enrico Zanda <[email protected]>
> 
> When vhost owns the virtio-net header, i.e. when
> VHOST_NET_F_VIRTIO_NET_HDR is negotiated, sock_hlen is 0,
> meaning that no header will be forwarded to the TAP device.
> 
> In the current vhost_net_build_xdp() implementation,
> when sock_hlen == 0, the gso pointer can point at the start of the
> Ethernet frame instead of a virtio-net header.
> This results in a wrong interpretation of the destination MAC address
> bytes as struct virtio_net_hdr fields.
> 
> [...]

Here is the summary with links:
  - [net] vhost-net: fix TX stall when vhost owns virtio-net header
    https://git.kernel.org/netdev/net/c/3c0d10f233f1

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html