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  1. Qt
  2. QTBUG-78314

Crash in maybeQuitOnLastWindowClosed

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    • Icon: Bug Bug
    • Resolution: Invalid
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    • None
    • 5.12.4, 5.13.1
    • GUI: Window management
    • None
    • Fedora 30
    • Linux/X11

      When closing a secondary window created with Qt::Tool type, as a child of the QMainWindow, the application crashes with SIGSEGV.
      It seems that the internal (private) data structure of the QWindow object is destroyed, but is later accessed again.

      It might have been introduced in 2bafd997ee515d3b6a6a8fb030e1265a4713713e "Don't quit when last QWindow is destroyed, wait for it to close".

      Qt 5.11.0 is not yet affected.

      Details:

        1. image-2019-09-16-15-12-32-010.png
          image-2019-09-16-15-12-32-010.png
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            Unassigned Unassigned
            torokati44 Attila
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              Created:
              Updated:
              Resolved:

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