base::ThreadLocalStorage::Slot& DangerousPatternTLS() {
  static base::NoDestructor<base::ThreadLocalStorage::Slot>
      dangerous_pattern_tls(&OnThreadTermination);
  return *dangerous_pattern_tls;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.