--- old/src/java.desktop/share/native/libfontmanager/HBShaper.c	2016-07-27 14:55:41.117664217 -0700
+++ new/src/java.desktop/share/native/libfontmanager/HBShaper.c	2016-07-27 14:55:40.977664213 -0700
@@ -278,6 +278,12 @@
      hb_buffer_set_direction(buffer, direction);
 
      chars = (*env)->GetCharArrayElements(env, text, NULL);
+     if ((*env)->ExceptionCheck(env)) {
+         hb_buffer_destroy(buffer);
+         hb_font_destroy(hbfont);
+         free((void*)jdkFontInfo);
+         return JNI_FALSE;
+     }
      len = (*env)->GetArrayLength(env, text);
 
      hb_buffer_add_utf16(buffer, chars, len, offset, limit-offset);
@@ -309,6 +315,7 @@
      hb_font_destroy(hbfont);
      free((void*)jdkFontInfo);
      if (features != NULL) free(features);
+     (*env)->ReleaseCharArrayElements(env, text, chars, JNI_ABORT);
 
      return JNI_TRUE;
 }