https://bugs.kde.org/show_bug.cgi?id=509352
Bug ID: 509352
Summary: QTreeView with QFileSystemModel crash
Classification: Developer tools
Product: Qt/KDE Flatpak Runtime
Version First unspecified
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
SUMMARY
In my application that I develop I use QTreeView with QFileSystemModel
STEPS TO REPRODUCE
This simple code can cause this crash. It might require --filesystem=host
permission.
```
QFileSystemModel model;
model.setRootPath("/home");
QTreeView treeView;
treeView.setModel(&model);
treeView.resize(800, 600);
treeView.show();
```
OBSERVED RESULT
Crash with this backtrace
```
#0 0x0000fffff5f8777c in ??? () at /usr/lib/aarch64-linux-gnu/libQt6Gui.so.6
#1 0x0000fffff5618118 in QtMetaTypePrivate::destruct (iface=<optimized out>,
where=0xffffffffccc8) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qmetatype_p.h:203
#2 (anonymous namespace)::customClear (d=0xffffffffccc8) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qvariant.cpp:295
#3 QVariant::~QVariant (this=0xffffffffccc8, __in_chrg=<optimized out>) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qvariant.cpp:539
#4 0x0000fffff6cfb4b4 in QHeaderView::sectionSizeFromContents(int) const () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#5 0x0000fffff6cf95b4 in QHeaderView::sizeHint() const () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#6 0x0000fffff6d76318 in QTreeView::updateGeometries() () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#7 0x0000fffff6a60f98 in QWidget::event(QEvent*) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#8 0x0000fffff6aef684 in QFrame::event(QEvent*) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#9 0x0000fffff5592144 in
QCoreApplicationPrivate::sendThroughObjectEventFilters
(receiver=0xaaaaaaf04d70, event=0xffffffffd108)
at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qcoreapplication.cpp:1243
#10 0x0000fffff69febf4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#11 0x0000fffff5592434 in QCoreApplication::notifyInternal2
(receiver=0xaaaaaaf04d70, event=0xffffffffd108) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qcoreapplication.cpp:1106
#12 0x0000fffff6a57d9c in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () at /usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#13 0x0000fffff6a5c2cc in QWidgetPrivate::show_helper() () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#14 0x0000fffff6a605f8 in QWidgetPrivate::setVisible(bool) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#15 0x0000fffff6a5bf14 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#16 0x0000fffff6a5c2e8 in QWidgetPrivate::show_helper() () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#17 0x0000fffff6a5c0d4 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#18 0x0000fffff6a5c2e8 in QWidgetPrivate::show_helper() () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#19 0x0000fffff6a605f8 in QWidgetPrivate::setVisible(bool) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#20 0x0000fffff55ff080 in QtPrivate::QSlotObjectBase::call
(this=0xaaaaaaf09dc0, r=<optimized out>, a=0xffffffffd788) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#21 doActivate<false> (sender=0xaaaaaaf5e140, signal_index=7,
argv=0xffffffffd788) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qobject.cpp:4138
#22 0x0000fffff63fe1ec in QAction::triggered(bool) () at
/usr/lib/aarch64-linux-gnu/libQt6Gui.so.6
#23 0x0000fffff6401150 in QAction::activate(QAction::ActionEvent) () at
/usr/lib/aarch64-linux-gnu/libQt6Gui.so.6
#24 0x0000fffff6bd56d8 in ??? () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#25 0x0000fffff6bddb88 in ??? () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#26 0x0000fffff6a60c7c in QWidget::event(QEvent*) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#27 0x0000fffff69fec0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#28 0x0000fffff6a07ba4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#29 0x0000fffff5592434 in QCoreApplication::notifyInternal2
(receiver=0xaaaaab01d650, event=0xffffffffde10) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qcoreapplication.cpp:1106
#30 0x0000fffff6a06e9c in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
at /usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#31 0x0000fffff6a74d04 in ??? () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#32 0x0000fffff6a76f5c in ??? () at
/usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#33 0x0000fffff69fec0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/aarch64-linux-gnu/libQt6Widgets.so.6
#34 0x0000fffff5592434 in QCoreApplication::notifyInternal2
(receiver=0xaaaaabcab820, event=0xffffffffe0d0) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qcoreapplication.cpp:1106
#35 0x0000fffff5fed35c in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/aarch64-linux-gnu/libQt6Gui.so.6
#36 0x0000fffff605aaf8 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/aarch64-linux-gnu/libQt6Gui.so.6
#37 0x0000fffff039d788 in xcbSourceDispatch (source=<optimized out>) at
/run/build-runtime/qt6-qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:57
#38 0x0000fffff47c1d90 in g_main_dispatch (context=0xffffec000f00) at
../glib/gmain.c:3357
#39 0x0000fffff4821278 in g_main_context_dispatch_unlocked
(context=0xffffec000f00) at ../glib/gmain.c:4208
#40 g_main_context_iterate_unlocked.isra.0
(context=context@entry=0xffffec000f00, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4273
#41 0x0000fffff47c10d8 in g_main_context_iteration (context=0xffffec000f00,
may_block=1) at ../glib/gmain.c:4338
#42 0x0000fffff589c3e4 in QEventDispatcherGlib::processEvents
(this=0xaaaaaada4670, flags=...) at
/run/build-runtime/qt6-qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
```
EXPECTED RESULT
Show content of directory
SOFTWARE/OS VERSIONS
Qt Version: 6.8 and 6.9
Qt 6.7 works fine
ADDITIONAL INFORMATION
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