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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index d539f25b5fbe..3057f8baa7d2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -3668,6 +3668,11 @@ static int vmw_cmd_check(struct vmw_private *dev_priv,
cmd_id = header->id;
+ if (header->size > SVGA_CMD_MAX_DATASIZE) {
+ VMW_DEBUG_USER("SVGA3D command: %d is too big.\n",
+ cmd_id + SVGA_3D_CMD_BASE);
+ return -E2BIG;
+ }
*size = header->size + sizeof(SVGA3dCmdHeader);
cmd_id -= SVGA_3D_CMD_BASE;