Re: [PATCH 3/5] wined3d: Add support for buffers in wined3d_device_copy_sub_resource().

[Henri Verbeet]

On 18 March 2016 at 12:30, Józef Kucia  wrote:
> -
>    if (src_offset > src_resource->size
> -
>            || src_offset + size > src_resource->size

That's not a safe way to validate "size". For large enough values of
"size", "src_offset + size" may wrap to something smaller than
"src_resource->size". You'd typically do something like "size >
src_resource->size - src_offset" instead.