libtiff/tif_getimage.c:1303: error: Integer Overflow L2
  ([0, `w`] - 1):unsigned32.

libtiff/tif_getimage.c:1296:1: <LHS trace>
1294.  * 8-bit greyscale with associated alpha => colormap/RGBA
1295.  */
1296. DECLAREContigPutFunc(putagreytile)
      ^
1297. {
1298.     int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1296:1: Parameter `w`
1294.  * 8-bit greyscale with associated alpha => colormap/RGBA
1295.  */
1296. DECLAREContigPutFunc(putagreytile)
      ^
1297. {
1298.     int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1303:7: Assignment
1301.     (void) y;
1302.     while (h-- > 0) {
1303. 	for (x = w; x-- > 0;)
            ^
1304.         {
1305.             *cp++ = BWmap[*pp][0] & ((uint32)*(pp+1) << 24 | ~A1);

libtiff/tif_getimage.c:1303:14: Binary operation: ([0, w] - 1):unsigned32
1301.     (void) y;
1302.     while (h-- > 0) {
1303. 	for (x = w; x-- > 0;)
                   ^
1304.         {
1305.             *cp++ = BWmap[*pp][0] & ((uint32)*(pp+1) << 24 | ~A1);
