From c9aa596ad26ee9fa1d4f7433485a668e3485d4ca Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= Date: Tue, 6 Sep 2022 17:07:17 +0200 Subject: [PATCH] vdpa: validate MQ CVQ commands MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit So we are sure we can update the device model properly before sending to the device. Signed-off-by: Eugenio Pérez Signed-off-by: Jason Wang Signed-off-by: fangyi --- net/vhost-vdpa.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index b32fe5e68a..831709a270 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -494,6 +494,15 @@ static bool vhost_vdpa_net_cvq_validate_cmd(const void *out_buf, size_t len) __func__, ctrl.cmd); }; break; + case VIRTIO_NET_CTRL_MQ: + switch (ctrl.cmd) { + case VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET: + return true; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid mq cmd %u\n", + __func__, ctrl.cmd); + }; + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid control class %u\n", __func__, ctrl.class); -- 2.27.0