void Part::registerJob(KJob* job)
{
    if (!m_jobTracker) {
        m_jobTracker = new JobTracker(widget());
        m_statusBarExtension->addStatusBarItem(m_jobTracker->widget(0), 0, true);
        m_jobTracker->widget(job)->show();
    }
    m_jobTracker->registerJob(job);

    emit busy();
    connect(job, &KJob::result, this, &Part::ready);
}

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.