2 files changed, 5 insertions, 1 deletions
diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp
index 6aad5fb..7d4da01 100644
--- a/libs/androidfw/ResourceTypes.cpp
+++ b/libs/androidfw/ResourceTypes.cpp
@@ -102,7 +102,7 @@ static status_t validate_chunk(const ResChunk_header* chunk,
     if (headerSize >= minSize) {
         if (headerSize <= size) {
             if (((headerSize|size)&0x3) == 0) {
-                if ((ssize_t)size <= (dataEnd-((const uint8_t*)chunk))) {
+                if ((size_t)size <= (size_t)(dataEnd-((const uint8_t*)chunk))) {
                     return NO_ERROR;
                 }
                 ALOGW("%s data size 0x%x extends beyond resource end %p.",
diff --git a/libs/hwui/ShadowTessellator.cpp b/libs/hwui/ShadowTessellator.cpp
index be49aed..55b82e4 100644
--- a/libs/hwui/ShadowTessellator.cpp
+++ b/libs/hwui/ShadowTessellator.cpp
@@ -196,6 +196,10 @@ Vector2 ShadowTessellator::centroid2d(const Vector2* poly, int polyLength) {
  * @param len the number of points of the polygon
  */
 bool ShadowTessellator::isClockwise(const Vector2* polygon, int len) {
+    if (len < 2 || polygon == NULL) {
+        ALOGW("Invalid polygon %p, length is %d @ isClockwise()", polygon, len);
+        return true;
+    }
     double sum = 0;
     double p1x = polygon[len - 1].x;
     double p1y = polygon[len - 1].y;