https://bugs.kde.org/show_bug.cgi?id=504939
Bug ID: 504939
Summary: Modify Diagram > Open (Discard) > Print Preview
crashes with a segfault
Classification: Applications
Product: umbrello
Version First Git
Reported In:
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: umbrello-de...@kde.org
Reporter: dillonotto...@gmail.com
Target Milestone: ---
SUMMARY
Deterministic sequence of UI interactions leads to a segfault
STEPS TO REPRODUCE
1. Modify the diagram in some way (e.g. double click and hit ok)
2. Click open, then choose discard
3. Click print preview
OBSERVED RESULT
Umbrello crashes with a segfault
VIDEO
https://youtu.be/zM2Ldl6ZiSs
BACKTRACE
Thread 1 "umbrello5" received signal SIGSEGV, Segmentation fault.
0x00007ffff6cf8074 in QGraphicsView::scene() const ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
(gdb) bt
#0 0x00007ffff6cf8074 in QGraphicsView::scene() const ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#1 0x00005555564871e9 in UMLView::umlScene (this=<optimized out>)
at /home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/umlview.cpp:53
#2 0x0000555555831ecf in DiagramPrintPage::DiagramPrintPage (
this=this@entry=0x7fffe8006530, parent=parent@entry=0x0,
doc=<optimized out>)
at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/dialogs/pages/diagramprintpage.cpp:79
#3 0x000055555632f2fe in UMLApp::slotPrintSettings (
this=this@entry=0x555556c4c360)
at /home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/uml.cpp:1446
#4 0x0000555556334aa4 in UMLApp::slotPrintPreview (this=0x555556c4c360)
at /home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/uml.cpp:1474
#5 0x00007ffff5d24862 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007ffff6964954 in QAction::triggered(bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7 0x00007ffff696788c in QAction::activate(QAction::ActionEvent) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8 0x00007ffff6a6c60a in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9 0x00007ffff6a6c77b in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007ffff6b732e6 in QToolButton::mouseReleaseEvent(QMouseEvent*) ()
--Type <RET> for more, q to quit, c to continue without paging--c
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007ffff69b1258 in QWidget::event(QEvent*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007ffff696bef5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007ffff69746af in QApplication::notify(QObject*, QEvent*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007ffff5ce8c98 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007ffff697252d in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007ffff69cbcb7 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007ffff69cf3cf in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007ffff696bef5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007ffff5ce8c98 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007ffff614ab87 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007ffff611afac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007ffff10103f6 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007ffff41b7397 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007ffff4217dc7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007ffff41b68b3 in g_main_context_iteration ()
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007ffff5d47afd in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007ffff5ce75ab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007ffff5cf0286 in QCoreApplication::exec() ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x0000555555668071 in main (argc=<optimized out>, argv=<optimized out>)
at /home/guifuzz/GUIFuzzBenchmarks/fuzzing/umbrello/umbrello/main.cpp:258
SOFTWARE/OS VERSIONS
Ubuntu 24.10
Umbrello 25.07.70
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