On Mon, Nov 25, 2019 at 04:39:00PM +0100, Stefano Garzarella wrote: > Hi, > with Michael, we realized that this patch merged upstream solves an > issue in the device emulation in the vhost-vsock module. > Before this patch, the emulation did not meet the VIRTIO vsock > specification, assuming that the buffer in the RX virtqueue was always 4 KB, > without checking the actual size. > > Please, backport the following patch to fix this issue: > > commit 6dbd3e66e7785a2f055bf84d98de9b8fd31ff3f5 > Author: Stefano Garzarella <sgarzare@xxxxxxxxxx> > Date: Tue Jul 30 17:43:33 2019 +0200 > > vhost/vsock: split packets to send using multiple buffers > > If the packets to sent to the guest are bigger than the buffer > available, we can split them, using multiple buffers and fixing > the length in the packet header. > This is safe since virtio-vsock supports only stream sockets. > > Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> > Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx> > Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> > > > The commit applies and builds against 4.14, 4.19, and 5.3 Now queud up, thanks. greg k-h
