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-rw-r--r--hw/display/virtio-gpu-3d.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c
index 23f39de94d..e29f099bd5 100644
--- a/hw/display/virtio-gpu-3d.c
+++ b/hw/display/virtio-gpu-3d.c
@@ -371,8 +371,12 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
virgl_renderer_get_cap_set(gc.capset_id, &max_ver,
&max_size);
- resp = g_malloc(sizeof(*resp) + max_size);
+ if (!max_size) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
+ return;
+ }
+ resp = g_malloc(sizeof(*resp) + max_size);
resp->hdr.type = VIRTIO_GPU_RESP_OK_CAPSET;
virgl_renderer_fill_caps(gc.capset_id,
gc.capset_version,