VDMCTRL_INDEX_LIST3 is packed conditionally which can cause the
generation of a corrupted control stream as the function mandated
the provided buffer to be of a fixed size always including the
possibly unpacked word. This would leave a gap in the control
stream when the caller ends up copying the buffer into the control
stream.
Reported-by: James Glanville <james.glanville@imgtec.com>
Signed-off-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22918>
b59eb30e88