https://bugs.kde.org/show_bug.cgi?id=438759

            Bug ID: 438759
           Summary: System Monitor Crash When Close
           Product: plasma-systemmonitor
           Version: 5.21.5
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: ksysguard-b...@kde.org
          Reporter: biladina...@protonmail.ch
                CC: ahiems...@heimr.nl, plasma-b...@kde.org
  Target Milestone: ---

Application: plasma-systemmonitor (5.21.5)

Qt Version: 5.15.2
Frameworks Version: 5.82.0
Operating System: Linux 5.12.9-300.fc34.x86_64 x86_64
Windowing System: X11
Drkonqi Version: 5.21.5
Distribution: "Fedora release 34 (Thirty Four)"

-- Information about the crash:
- What I was doing when the application crashed:
After I open System Monitor, I just choose between the page, Overview page,
Application page, History page..

but when I close System Monitor, the crash happen, System Monitor close with
crash notification..

The crash can be reproduced every time.

-- Backtrace:
Application: System Monitor (plasma-systemmonitor), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f695503a06f in QQuickItem::setVisible(bool) () from
/lib64/libQt5Quick.so.5
#5  0x00007f694dfadf5a in ToolBarLayoutDelegate::ensureItemVisibility() () from
/usr/lib64/qt5/qml/org/kde/kirigami.2/libkirigamiplugin.so
#6  0x00007f696796f4b0 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#7  0x00007f695503c8cb in QQuickItemPrivate::setEffectiveVisibleRecur(bool) ()
from /lib64/libQt5Quick.so.5
#8  0x00007f6955040119 in QQuickItem::setParentItem(QQuickItem*) () from
/lib64/libQt5Quick.so.5
#9  0x00007f6955034a5a in QQuickItem::~QQuickItem() () from
/lib64/libQt5Quick.so.5
#10 0x00007f694d9c6242 in
QQmlPrivate::QQmlElement<QQuickToolButton>::~QQmlElement() () from
/usr/lib64/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so
#11 0x00007f694dfaecaa in ToolBarLayoutDelegate::~ToolBarLayoutDelegate() ()
from /usr/lib64/qt5/qml/org/kde/kirigami.2/libkirigamiplugin.so
#12 0x00007f694dfaed4a in std::_Hashtable<QObject*, std::pair<QObject* const,
std::unique_ptr<ToolBarLayoutDelegate,
std::default_delete<ToolBarLayoutDelegate> > >,
std::allocator<std::pair<QObject* const, std::unique_ptr<ToolBarLayoutDelegate,
std::default_delete<ToolBarLayoutDelegate> > > >, std::__detail::_Select1st,
std::equal_to<QObject*>, std::hash<QObject*>,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false,
false, true> >::_M_erase(unsigned long, std::__detail::_Hash_node_base*,
std::__detail::_Hash_node<std::pair<QObject* const,
std::unique_ptr<ToolBarLayoutDelegate,
std::default_delete<ToolBarLayoutDelegate> > >, false>*) () from
/usr/lib64/qt5/qml/org/kde/kirigami.2/libkirigamiplugin.so
#13 0x00007f694dfaf0f0 in
QtPrivate::QFunctorSlotObject<ToolBarLayout::addAction(QObject*)::{lambda(QObject*)#1},
1, QtPrivate::List<QObject*>, void>::impl(int, QtPrivate::QSlotObjectBase*,
QObject*, void**, bool*) () from
/usr/lib64/qt5/qml/org/kde/kirigami.2/libkirigamiplugin.so
#14 0x00007f696796f4b0 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#15 0x00007f6967969aa3 in QObject::destroyed(QObject*) () from
/lib64/libQt5Core.so.5
#16 0x00007f696796c10a in QObject::~QObject() () from /lib64/libQt5Core.so.5
#17 0x00007f694d9c789f in
QQmlPrivate::QQmlElement<QQuickAction>::~QQmlElement() () from
/usr/lib64/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so
#18 0x00007f6967965eda in QObjectPrivate::deleteChildren() () from
/lib64/libQt5Core.so.5
#19 0x00007f696796c184 in QObject::~QObject() () from /lib64/libQt5Core.so.5
#20 0x00007f69444e79d9 in
QQmlPrivate::QQmlElement<KSysGuard::SensorFace>::~QQmlElement() () from
/usr/lib64/qt5/qml/org/kde/ksysguard/faces/libFacesPlugin.so
#21 0x00007f6967965eda in QObjectPrivate::deleteChildren() () from
/lib64/libQt5Core.so.5
#22 0x00007f696796c184 in QObject::~QObject() () from /lib64/libQt5Core.so.5
#23 0x00007f694de0afdd in
KSysGuard::SensorFaceController::~SensorFaceController() () from
/lib64/libKSysGuardSensorFaces.so.1
#24 0x00007f6967965eda in QObjectPrivate::deleteChildren() () from
/lib64/libQt5Core.so.5
#25 0x00007f696796c184 in QObject::~QObject() () from /lib64/libQt5Core.so.5
#26 0x0000555762f12999 in main ()
[Inferior 1 (process 51038) detached]

Possible duplicates by query: bug 437773, bug 436863, bug 435427, bug 432084,
bug 431077.

Reported using DrKonqi

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