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path: root/drivers/net/virtio/virtio_user/vhost_user.c
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Diffstat (limited to 'drivers/net/virtio/virtio_user/vhost_user.c')
-rw-r--r--drivers/net/virtio/virtio_user/vhost_user.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index 4ad7b21b..97bd8326 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -130,6 +130,10 @@ vhost_user_read(int fd, struct vhost_user_msg *msg)
}
sz_payload = msg->size;
+
+ if ((size_t)sz_payload > sizeof(msg->payload))
+ goto fail;
+
if (sz_payload) {
ret = recv(fd, (void *)((char *)msg + sz_hdr), sz_payload, 0);
if (ret < sz_payload) {