https://bugs.kde.org/show_bug.cgi?id=504794
Bug ID: 504794
Summary: Segfault using pin and matrix
Classification: Applications
Product: LabPlot2
Version First latest
Reported In:
Platform: Other
OS: Other
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: alexander.se...@web.de
Reporter: dillonotto...@gmail.com
Target Milestone: ---
SUMMARY
Specific sequence of UI inputs leads to a segfault.
I'm not sure if this is the same as/related to
https://bugs.kde.org/show_bug.cgi?id=502043, but it had a unique backtrace and
logic so I thought it was worth reporting.
STEPS TO REPRODUCE
1. Pin tab
2. Matrix
3. Click column one header
4. Click cell 2, 2
VIDEO
https://youtu.be/hBnc1m1gWcE
OBSERVED RESULT
LabPlot crashes with a segfault
BACKTRACE
Thread 1 "labplot" received signal SIGSEGV, Segmentation fault.
0x00007ffff55cec22 in QObject::objectName() const ()
from /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
(gdb) bt
#0 0x00007ffff55cec22 in QObject::objectName() const ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#1 0x0000555555767e7a in MainWin::activateSubWindowForAspect
(this=this@entry=0x555558365040, aspect=aspect@entry=0x555559035850)
at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/labplot/labplot/src/frontend/MainWin.cpp:2188
#2 0x000055555576781e in MainWin::handleCurrentAspectChanged
(this=0x555558365040, aspect=0x555559035850)
at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/labplot/labplot/src/frontend/MainWin.cpp:2162
#3 0x00007ffff55de038 in ??? ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#4 0x0000555555ae7a53 in ProjectExplorer::currentAspectChanged
(this=0x7fffffffbc48, _t1=0x555559035850)
at labplotlib_autogen/W4B5VDZ4WS/moc_ProjectExplorer.cpp:307
#5 0x00005555557a6174 in ProjectExplorer::selectionChanged
(this=0x555559d13640, selected=<optimized out>, deselected=<optimized
out>) at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/labplot/labplot/src/frontend/ProjectExplorer.cpp:844
#6 0x00007ffff55de038 in ??? ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#7 0x00007ffff57f6b74 in QItemSelectionModel::selectionChanged(QItemSelection
const&, QItemSelection const&) ()
--Type <RET> for more, q to quit, c to continue without paging--c
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#8 0x00007ffff57fd30d in
QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection
const&) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#9 0x00007ffff57ffb70 in QItemSelectionModel::select(QItemSelection const&,
QFlags<QItemSelectionModel::SelectionFlag>) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#10 0x00007ffff57fdfc2 in QItemSelectionModel::select(QModelIndex const&,
QFlags<QItemSelectionModel::SelectionFlag>) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#11 0x00007ffff55de038 in ??? ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#12 0x00005555566154ce in AspectTreeModel::indexDeselected
(this=0x7fffffffbc48, _t1=<optimized out>)
at labplotbackendlib_autogen/RMX4C6EZO6/moc_AspectTreeModel.cpp:306
#13 0x00005555568b90c3 in AspectTreeModel::aspectDeselectedInView
(this=0x555559d280e0, aspect=<optimized out>)
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/include/QtCore/qcomparehelpers.h:773
#14 0x00007ffff55de038 in ??? ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#15 0x000055555660e7c6 in AbstractAspect::childAspectDeselectedInView
(this=0x7fffffffbc48, _t1=0x5555591b7270)
at labplotbackendlib_autogen/RMX4C6EZO6/moc_AbstractAspect.cpp:650
#16 0x0000555555968456 in SpreadsheetView::selectionChanged
(this=0x555558545390)
at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/labplot/labplot/src/frontend/spreadsheet/SpreadsheetView.cpp:3761
#17 0x00007ffff55de038 in ??? ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#18 0x00007ffff57f6b74 in QItemSelectionModel::selectionChanged(QItemSelection
const&, QItemSelection const&) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#19 0x00007ffff57fd30d in
QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection
const&) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#20 0x00007ffff57ffb70 in QItemSelectionModel::select(QItemSelection const&,
QFlags<QItemSelectionModel::SelectionFlag>) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#21 0x00007ffff6cdae3b in QTableView::setSelection(QRect const&,
QFlags<QItemSelectionModel::SelectionFlag>) ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#22 0x00007ffff6c7623a in QAbstractItemView::mousePressEvent(QMouseEvent*) ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#23 0x00007ffff69efdce in QWidget::event(QEvent*) ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#24 0x00007ffff6a82426 in QFrame::event(QEvent*) ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#25 0x00007ffff557b9c6 in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#26 0x00007ffff69903e5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#27 0x00007ffff6999028 in QApplication::notify(QObject*, QEvent*) ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#28 0x00007ffff557bcaa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#29 0x00007ffff699836d in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#30 0x00007ffff6a037b7 in ??? ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#31 0x00007ffff6a06473 in ??? ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#32 0x00007ffff69903f6 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Widgets.so.6
#33 0x00007ffff557bcaa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#34 0x00007ffff5de58b8 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Gui.so.6
#35 0x00007ffff5e48aac in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Gui.so.6
#36 0x00007fffee39fb9e in ??? ()
at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6XcbQpa.so.6
#37 0x00007ffff2510397 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007ffff2570dc7 in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007ffff250f8b3 in g_main_context_iteration ()
at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007ffff585591e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#41 0x00007ffff5588fe2 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#42 0x00007ffff5585166 in QCoreApplication::exec() ()
at /home/guifuzz/GUIFuzzBenchmarks/Qt/6.8.1/gcc_64/lib/libQt6Core.so.6
#43 0x00005555556b6efd in main (argc=1, argv=<optimized out>)
at
/home/guifuzz/GUIFuzzBenchmarks/fuzzing/labplot/labplot/src/frontend/LabPlot.cpp:237
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