src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/BasicLock.java

@@ -41,11 +41,11 @@
        });
    }
  
    private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
      Type type  = db.lookupType("BasicLock");
-     displacedHeaderField = type.getCIntegerField("_displaced_header");
+     displacedHeaderField = type.getCIntegerField("_metadata");
    }
  
    private static CIntegerField displacedHeaderField;
  
    public BasicLock(Address addr) {