diff --git a/core/java/com/android/internal/widget/PointerLocationView.java b/core/java/com/android/internal/widget/PointerLocationView.java
index 592576bb41d06..e53162cc97fd8 100644
--- a/core/java/com/android/internal/widget/PointerLocationView.java
+++ b/core/java/com/android/internal/widget/PointerLocationView.java
@@ -25,6 +25,7 @@ import android.hardware.input.InputManager;
 import android.hardware.input.InputManager.InputDeviceListener;
 import android.os.SystemProperties;
 import android.util.Log;
+import android.util.Slog;
 import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -630,6 +631,12 @@ public class PointerLocationView extends View implements InputDeviceListener,
                     >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; // will be 0 for UP
 
             final int id = event.getPointerId(index);
+            if (id >= NP) {
+                Slog.wtf(TAG, "Got pointer ID out of bounds: id=" + id + " arraysize="
+                        + NP + " pointerindex=" + index
+                        + " action=0x" + Integer.toHexString(action));
+                return;
+            }
             final PointerState ps = mPointers.get(id);
             ps.mCurDown = false;