https://bugs.kde.org/show_bug.cgi?id=436807

            Bug ID: 436807
           Summary: Getting a crash pop-up after closing System Monitor
                    sometimes
           Product: plasma-systemmonitor
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: ksysguard-b...@kde.org
          Reporter: domy...@gmail.com
                CC: ahiems...@heimr.nl, plasma-b...@kde.org
  Target Milestone: ---

Application: plasma-systemmonitor (5.21.5)

Qt Version: 5.15.2
Frameworks Version: 5.81.0
Operating System: Linux 5.11.18-300.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:

If I open System Monitor to check statuses and want to close it, I'm getting a
crash pop-up after closing System Monitor. This is happening sometimes, maybe 1
of 10 cases.

The crash can be reproduced sometimes.

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

[KCrash Handler]
#4  0x00007f7e0a1fd06f in QQuickItem::setVisible(bool) () from
/lib64/libQt5Quick.so.5
#5  0x00007f7e0311586a in ToolBarLayoutDelegate::ensureItemVisibility() () from
/usr/lib64/qt5/qml/org/kde/kirigami.2/libkirigamiplugin.so
#6  0x00007f7e1cafd4b0 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#7  0x00007f7e0a1ff8cb in QQuickItemPrivate::setEffectiveVisibleRecur(bool) ()
from /lib64/libQt5Quick.so.5
#8  0x00007f7e0a203119 in QQuickItem::setParentItem(QQuickItem*) () from
/lib64/libQt5Quick.so.5
#9  0x00007f7e0a1f7a5a in QQuickItem::~QQuickItem() () from
/lib64/libQt5Quick.so.5
#10 0x00007f7e02b6b242 in
QQmlPrivate::QQmlElement<QQuickToolButton>::~QQmlElement() () from
/usr/lib64/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so
#11 0x00007f7e031165fa in ToolBarLayoutDelegate::~ToolBarLayoutDelegate() ()
from /usr/lib64/qt5/qml/org/kde/kirigami.2/libkirigamiplugin.so
#12 0x00007f7e0311669a 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 0x00007f7e03116a40 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 0x00007f7e1cafd4b0 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#15 0x00007f7e1caf7aa3 in QObject::destroyed(QObject*) () from
/lib64/libQt5Core.so.5
#16 0x00007f7e1cafa10a in QObject::~QObject() () from /lib64/libQt5Core.so.5
#17 0x00007f7e02b6c89f in
QQmlPrivate::QQmlElement<QQuickAction>::~QQmlElement() () from
/usr/lib64/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so
#18 0x00007f7e1caf3eda in QObjectPrivate::deleteChildren() () from
/lib64/libQt5Core.so.5
#19 0x00007f7e1cafa184 in QObject::~QObject() () from /lib64/libQt5Core.so.5
#20 0x00007f7e000fb9d9 in
QQmlPrivate::QQmlElement<KSysGuard::SensorFace>::~QQmlElement() () from
/usr/lib64/qt5/qml/org/kde/ksysguard/faces/libFacesPlugin.so
#21 0x00007f7e1caf3eda in QObjectPrivate::deleteChildren() () from
/lib64/libQt5Core.so.5
#22 0x00007f7e1cafa184 in QObject::~QObject() () from /lib64/libQt5Core.so.5
#23 0x00007f7e02fcffdd in
KSysGuard::SensorFaceController::~SensorFaceController() () from
/lib64/libKSysGuardSensorFaces.so.1
#24 0x00007f7e1caf3eda in QObjectPrivate::deleteChildren() () from
/lib64/libQt5Core.so.5
#25 0x00007f7e1cafa184 in QObject::~QObject() () from /lib64/libQt5Core.so.5
#26 0x0000562f558a3999 in main ()
[Inferior 1 (process 10640) detached]

Possible duplicates by query: bug 435427, bug 432084, bug 431077, bug 429973,
bug 429504.

Reported using DrKonqi

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