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  1. Qt
  2. QTBUG-110990

[Crash] Browsing through the comboxes in Qt widgets application causes the linux to crash (gnome-shell crashed with SIGSEGV)

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: P1: Critical P1: Critical
    • None
    • 6.4.2
    • Widgets: Widgets and Dialogs
    • None
    • Ubuntu 22.04.1 LTS
      Qt 6.4.2 GCC 64bit
    • Linux/Wayland

      Steps to reproduce:

      1. Launch any Qt Widget Application with combo boxes (I created a simple example to reproduce it - attached).
      2. Click through the combo boxes selecting different values.

      Expected: Values are selected - app is still working.

      Actual: It causes the Linux to crash - I need to log in again and reopen all my apps again. See attached video.

      Reproducibility:  100%

      Notes: The issue is not reproducible when built with Qt 5.15.12

        1. desktop-widget.zip
          6 kB
        2. IMG_3993.mp4
          19.14 MB
        3. Screenshot from 2023-02-06 22-45-01.png
          Screenshot from 2023-02-06 22-45-01.png
          103 kB
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            qt.team.graphics.and.multimedia Qt Graphics Team
            lkos Łukasz Kosiorowski
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              Created:
              Updated:
              Resolved:

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