[PATCH 1/1] vhost: fix missing gso_size validity check

Maxime Coquelin maxime.coquelin at redhat.com
Mon Jan 13 16:30:26 CET 2025


Hi,

In the title: s/gso_size/GSO size/

On 12/20/24 4:45 AM, Yunjian Wang wrote:
> The value of tso_segsz cannot be 0, instead check that value of
> gso_size was set.
> 
> Fixes: d0cf91303d73 ("vhost: add Tx offload capabilities")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
> ---
>   lib/vhost/virtio_net.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c
> index 69901ab3b5..2ac5bc29a3 100644
> --- a/lib/vhost/virtio_net.c
> +++ b/lib/vhost/virtio_net.c
> @@ -2733,6 +2733,9 @@ vhost_dequeue_offload_legacy(struct virtio_net *dev, struct virtio_net_hdr *hdr,
>   	}
>   
>   	if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
> +		if (hdr->gso_size == 0)
> +			goto error;
> +
>   		switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
>   		case VIRTIO_NET_HDR_GSO_TCPV4:
>   		case VIRTIO_NET_HDR_GSO_TCPV6:

With the title amended, the patch looks good to me:
Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

No need to send a new version, I can fix the title while applying.

Thanks,
Maxime



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