Signed-off-by: Alon Levy <al...@redhat.com> --- hw/qxl.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/hw/qxl.c b/hw/qxl.c index af5f68e..91e4fec 100644 --- a/hw/qxl.c +++ b/hw/qxl.c @@ -455,6 +455,12 @@ static int verify_surface_cmd(PCIQXLDevice *qxl, QXLSurfaceCmd *cmd) return 1; } } + if (cmd->type == QXL_SURFACE_CMD_CREATE && + cmd->u.surface_create.format == 0) { + qxl_set_guest_bug(qxl, "QXL_CMD_SURFACE invalid format: %u\n", + cmd->u.surface_create.format); + return 1; + } return 0; } -- 1.8.0