void PrintRenderFrameHelper::OnPrintingDone(bool success) {
  if (ipc_nesting_level_ > 1)
    return;
  notify_browser_of_print_failure_ = false;
  if (!success)
    LOG(ERROR) << "Failure in OnPrintingDone";
  DidFinishPrinting(success ? OK : FAIL_PRINT);
}

The product writes data past the end, or before the beginning, of the intended buffer.