On Wed, Mar 23, 2022 at 09:49:53AM +0100, Stefano Garzarella wrote:
> When we fill VQs with empty buffers and kick the host, it may send
> an interrupt. `vdev->priv` must be initialized before this since it
> is used in the virtqueue callback.
>
> Fixes: 0deab087b16a ("vsock/virtio: use RCU to avoid use-after-free on the_virtio_vsock")
> Suggested-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
> ---
> net/vmw_vsock/virtio_transport.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
> index b1962f8cd502..fff67ad39087 100644
> --- a/net/vmw_vsock/virtio_transport.c
> +++ b/net/vmw_vsock/virtio_transport.c
> @@ -622,6 +622,7 @@ static int virtio_vsock_probe(struct virtio_device *vdev)
> INIT_WORK(&vsock->event_work, virtio_transport_event_work);
> INIT_WORK(&vsock->send_pkt_work, virtio_transport_send_pkt_work);
>
> + vdev->priv = vsock;
> virtio_device_ready(vdev);
Doh, patch order got me. :)
Stefan
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