#fixed code
                              public void validate() {
    Map<String, Binding<?>> allBindings = linkEverything();
    new ProblemDetector().detectProblems(allBindings.values());
  }
#vulnerable code 
                              public void validate() {
    Map<String, Binding<?>> allBindings;
    synchronized (linker) {
      linkStaticInjections();
      linkEntryPoints();
      allBindings = linker.linkAll();
    }
    new ProblemDetector().detectProblems(allBindings.values());
  } 
                            #location 8 
                            #vulnerability type THREAD_SAFETY_VIOLATION