isea: really fix integer overflow of https://bugs.chromium.org/p/oss-…

…fuzz/issues/detail?id=2390
OSGeo · Mar 24, 2019 · 36beda5 · 36beda5
1 parent d089e17
commit 36beda5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/projections/isea.cpp b/src/projections/isea.cpp
@@ -105,8 +105,8 @@ static void hexbin2(double width, double x, double y, long *i, long *j) {
     iy = lround(ry);
     rz = floor(z + 0.5);
     iz = lround(rz);
-    if( fabs(rx + ry) > std::numeric_limits<int>::max() ||
-        fabs(rx + ry + rz) > std::numeric_limits<int>::max() ) {
+    if( fabs((double)ix + iy) > std::numeric_limits<int>::max() ||
+        fabs((double)ix + iy + iz) > std::numeric_limits<int>::max() ) {
         throw "Integer overflow";
     }