OSV-2021-719 Heap-buffer-overflow in tt_face_get_paint_layers

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33855 Crash type: Heap-buffer-overflow READ 1 Crash state: ttfacegetpaintlayers FTGetPaintLayers colrv1traversepaint...