diff options
| -rw-r--r-- | hw/display/qxl-render.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/display/qxl-render.c b/hw/display/qxl-render.c index cc2c2b1dbc..bcc5c3701a 100644 --- a/hw/display/qxl-render.c +++ b/hw/display/qxl-render.c @@ -138,7 +138,9 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) if (qemu_spice_rect_is_empty(qxl->dirty+i)) { break; } - if (qxl->dirty[i].left > qxl->dirty[i].right || + if (qxl->dirty[i].left < 0 || + qxl->dirty[i].top < 0 || + qxl->dirty[i].left > qxl->dirty[i].right || qxl->dirty[i].top > qxl->dirty[i].bottom || qxl->dirty[i].right > qxl->guest_primary.surface.width || qxl->dirty[i].bottom > qxl->guest_primary.surface.height) { |