libtiff/tif_getimage.c:1220: error: Integer Overflow L2
  ([0, `h`] - 1):unsigned32.

libtiff/tif_getimage.c:1214:1: <LHS trace>
1212.  * 8-bit greyscale with associated alpha => colormap/RGBA
1213.  */
1214. DECLAREContigPutFunc(putagreytile)
      ^
1215. {
1216.     int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1214:1: Parameter `h`
1212.  * 8-bit greyscale with associated alpha => colormap/RGBA
1213.  */
1214. DECLAREContigPutFunc(putagreytile)
      ^
1215. {
1216.     int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1220:12: Binary operation: ([0, h] - 1):unsigned32
1218. 
1219.     (void) y;
1220.     while (h-- > 0) {
                 ^
1221. 	for (x = w; x-- > 0;)
1222.         {
