output: #fixed code
                                  public void reset() {
          lock.lock();try{
          this.needReSet = true;
          ROUND_MAP.clear();
          this.init();}finally {
              lock.unlock();
          }
      }
input: #vulnerable code 
                                  public void reset() {
          this.needReSet = true;
      } 
                              #location 2 
                              #vulnerability type THREAD_SAFETY_VIOLATION