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  1. Qt
  2. QTBUG-95135

QLabel::setText lead to QAccessibleWidget crash

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    • Windows

    Description

      result:

      QWindow *QAccessibleWidget::window() const
{
    const QWidget *w = widget();
    Q_ASSERT(w);
    QWindow *result = w->windowHandle();
    if (!result) {
        if (const QWidget *nativeParent = w->nativeParentWidget())
            result = nativeParent->windowHandle();
    }
    return result;
}

      this code crash, in release mode assert no effect but w is NULL.

       

      QLabel::setText lead to "NameChanged" QAccessibleEvent, then crash

       

      here is call stack

       

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          Bug - A problem which impairs or prevents the functions of the product. QTBUG-95134 crash in QAccessibleWidget::window() function with NULL pointer

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Reported
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-95134 crash in QAccessibleWidget::window() function with NULL pointer

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
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              smd Jan Arve
              jaredtao jared tao
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                Created:
                Updated:
                Resolved:

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