Stefano Garzarella 278f72e8eb vhost/vsock: fix incorrect used length reported to the guest ... commit 49d8c5ffad upstream. The "used length" reported by calling vhost_add_used() must be the number of bytes written by the device (using "in" buffers). In vhost_vsock_handle_tx_kick() the device only reads the guest buffers (they are all "out" buffers), without writing anything, so we must pass 0 as "used length" to comply virtio spec. Fixes: 433fc58e6b ("VSOCK: Introduce vhost_vsock.ko") Cc: stable@vger.kernel.org Reported-by: Halil Pasic <pasic@linux.ibm.com> Suggested-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/r/20211122163525.294024-2-sgarzare@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-12-01 09:04:55 +01:00
..
iotlb.c	vhost-iotlb: Add an opaque pointer for vhost IOTLB	2021-09-06 07:20:57 -04:00
Kconfig	vhost_vdpa: implement IRQ offloading in vhost_vdpa	2020-08-05 11:08:42 -04:00
Makefile	vhost: introduce vDPA-based backend	2020-04-02 10:41:40 -04:00
net.c	vhost_net: fix OoB on sendmsg() failure.	2021-09-09 10:52:12 +01:00
scsi.c	vhost scsi: Convert to SPDX identifier	2021-09-05 16:23:08 -04:00
test.c	tools/virtio: Add --reset	2020-06-22 12:34:21 -04:00
test.h	tools/virtio: Add --reset	2020-06-22 12:34:21 -04:00
vdpa.c	vhost-vdpa: Fix the wrong input in config_cb	2021-10-13 08:42:07 -04:00
vhost.c	vhost: Fix the calculation in vhost_overflow()	2021-08-11 06:44:15 -04:00
vhost.h	vhost: fix up vhost_work coding style	2021-07-03 04:50:55 -04:00
vringh.c	vringh: Use wiov->used to check for read/write desc order	2021-08-11 06:44:24 -04:00
vsock.c	vhost/vsock: fix incorrect used length reported to the guest	2021-12-01 09:04:55 +01:00