src/macosx/native/sun/awt/QuartzRenderer.m

*** 436,445 ****
--- 436,448 ----
  
  QUARTZ_RENDERER_INLINE SDRenderType doPolyUsingCG(JNIEnv *env, CGContextRef cgRef, jintArray xpointsarray, jintArray ypointsarray, jint npoints, BOOL polygon, BOOL fill, CGFloat offsetX, CGFloat offsetY)
  {
      SDRenderType renderType = SD_Nothing;
  
+     if (xpointsarray == NULL || ypointsarray == NULL) {
+         return SD_Nothing;
+     }
      if (npoints > 1)
      {
          if (fill == YES)
          {
              renderType = SD_Fill;
*** 450,460 ****
--- 453,470 ----
          }
  
          jint i;
  
          jint* xpoints = (jint*)(*env)->GetPrimitiveArrayCritical(env, xpointsarray, NULL);
+         if (xpoints == NULL) {
+             return SD_Nothing;
+         }
          jint* ypoints = (jint*)(*env)->GetPrimitiveArrayCritical(env, ypointsarray, NULL);
+         if (ypoints == NULL) {
+             (*env)->ReleasePrimitiveArrayCritical(env, xpointsarray, xpoints, 0);
+             return SD_Nothing;
+         }
  
          CGContextMoveToPoint(cgRef, xpoints[0]+offsetX, ypoints[0]+offsetY);
  
          for (i=1; i<npoints; i++)
          {