1 files changed, 4 insertions, 0 deletions
diff --git a/rs/java/android/renderscript/Allocation.java b/rs/java/android/renderscript/Allocation.java
index a211b7005df9..ede63a92b385 100644
--- a/rs/java/android/renderscript/Allocation.java
+++ b/rs/java/android/renderscript/Allocation.java
@@ -1295,6 +1295,10 @@ public class Allocation extends BaseObj {
 
     private void copyTo(Object array, Element.DataType dt, int arrayLen) {
         Trace.traceBegin(RenderScript.TRACE_TAG, "copyTo");
+        if (dt.mSize * arrayLen < mSize) {
+            throw new RSIllegalArgumentException(
+                "Size of output array cannot be smaller than size of allocation.");
+        }
         mRS.validate();
         mRS.nAllocationRead(getID(mRS), array, dt);
         Trace.traceEnd(RenderScript.TRACE_TAG);