We don't allocate enough data for this struct.  As soon as we start
modifying event->event on the next lines, then we're going beyond the
end of the memory we allocated.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
Static checker work.  Not tested.

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index f2fb8f1..7e07433 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -1018,7 +1018,7 @@ int vmw_event_fence_action_create(struct drm_file 
*file_priv,
        }
 
 
-       event = kzalloc(sizeof(event->event), GFP_KERNEL);
+       event = kzalloc(sizeof(*event), GFP_KERNEL);
        if (unlikely(event == NULL)) {
                DRM_ERROR("Failed to allocate an event.\n");
                ret = -ENOMEM;
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