1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/libtiff/0014-cast-to-unsigned-in-putagreytile.patch b/third_party/libtiff/0014-cast-to-unsigned-in-putagreytile.patch
new file mode 100644
index 0000000000..00336b188c
--- /dev/null
+++ b/third_party/libtiff/0014-cast-to-unsigned-in-putagreytile.patch
@@ -0,0 +1,13 @@
+diff --git a/third_party/libtiff/tif_getimage.c b/third_party/libtiff/tif_getimage.c
+index 1cf6ac6b4..2861cdd1e 100644
+--- a/third_party/libtiff/tif_getimage.c
++++ b/third_party/libtiff/tif_getimage.c
+@@ -1281,7 +1281,7 @@ DECLAREContigPutFunc(putagreytile)
+     while (h-- > 0) {
+        for (x = w; x-- > 0;)
+         {
+-            *cp++ = BWmap[*pp][0] & (*(pp+1) << 24 | ~A1);
++            *cp++ = BWmap[*pp][0] & ((uint32)*(pp+1) << 24 | ~A1);
+             pp += samplesperpixel;
+         }
+        cp += toskew;