vhost-vdpa: Fix integer overflow in vhost_vdpa_process_iotlb_update()
The "msg->iova + msg->size" addition can have an integer overflow if the iotlb message is from a malicious user space application. So let's fix it. Fixes: 1b48dc03 ("vhost: vdpa: report iova range") Reported-by:Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Xie Yongji <xieyongji@bytedance.com> Acked-by:
Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20210728130756.97-1-xieyongji@bytedance.com Signed-off-by:
Michael S. Tsirkin <mst@redhat.com>
parent
43bb40c5
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