[umbrello] [Bug 504942] New: Modify Diagram > Open (Discard) > Birds Eye view crashes with a segfault

[Dillon]

https://bugs.kde.org/show_bug.cgi?id=504942

            Bug ID: 504942
           Summary: Modify Diagram > Open (Discard) > Birds Eye view
                    crashes with a segfault
    Classification: Applications
           Product: umbrello
      Version First Git
       Reported In:
          Platform: Other
                OS: Other
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: umbrello-devel at kde.org
          Reporter: dillonotto112 at gmail.com
  Target Milestone: ---

SUMMARY
Deterministic sequence of UI interactions crashes with a segfault

STEPS TO REPRODUCE
1. Modify the diagram (e.g. double click then press ok)
2. Clock open, then discard
3. Close the file browser, then select Birds Eye view in the bottom right
4. Interact with the Birds Eye view tab

VIDEO
https://youtu.be/6txlKg_ffaA

BACKTRACE
Thread 1 "umbrello5" received signal SIGSEGV, Segmentation fault.
0x00007ffff6a67684 in QAbstractScrollArea::viewport() const () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#0  0x00007ffff6a67684 in QAbstractScrollArea::viewport() const () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#1  0x00005555562377ea in BirdView::mouseMoveEvent (this=0x5555573b9bc0,
event=0x7fffffffd2d0) at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/birdview.cpp:150
#2  0x00007ffff69b1258 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#3  0x00007ffff6a653a7 in QFrame::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#4  0x00007ffff696bef5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5  0x00007ffff69746af in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x00007ffff5ce8c98 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ffff697252d in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007ffff69cbcb7 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007ffff69cf3cf in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007ffff696bef5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007ffff5ce8c98 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ffff614ab87 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007ffff611afac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007ffff10103f6 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x00007ffff41b7397 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007ffff4217dc7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007ffff41b68b3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007ffff5d47afd in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007ffff5ce75ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007ffff5cf0286 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x0000555555668071 in main (argc=<optimized out>, argv=<optimized out>) at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/main.cpp:258
A debugging session is active.

OBSERVED RESULT
Umbrello crashes with a segfault


SOFTWARE/OS VERSIONS
Ubuntu 24.10
Umbrello 25.07.70

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