Application: systemsettings5 (5.8.5)
 (Compiled from sources)
Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.4.39-1-lts x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
Al entrar en Preferencias del sistema -> Estilo de las aplicaciones -> Decoración de ventanas e intentar volver atrás con el botón superior derecha la aplicación falla y se cierra inesperadamente.

The crash can be reproduced every time.

-- Backtrace:
Application: Preferencias del sistema (systemsettings5), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd9d9ee21c0 (LWP 2526))]

Thread 5 (Thread 0x7fd9a5c57700 (LWP 2532)):
#0  0x00007fd9d5c0748d in poll () from /usr/lib/libc.so.6
#1  0x00007fd9cffea786 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fd9cffea89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fd9d652a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fd9d64d3d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fd9d62f6063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fd9d4649e75 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007fd9d62facf8 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fd9d1cd5454 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fd9d5c107df in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7fd9b17b9700 (LWP 2530)):
#0  0x00007fd9d5c0748d in poll () from /usr/lib/libc.so.6
#1  0x00007fd9cffea786 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fd9cffea89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fd9d652a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fd9d64d3d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fd9d62f6063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fd9d4649e75 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007fd9d62facf8 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fd9d1cd5454 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fd9d5c107df in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7fd9be08f700 (LWP 2528)):
#0  0x00007fd9d002fdd4 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007fd9cffea77a in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fd9cffea89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fd9d652a2db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fd9d64d3d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fd9d62f6063 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fd9d6e3fde5 in ?? () from /usr/lib/libQt5DBus.so.5
#7  0x00007fd9d62facf8 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fd9d1cd5454 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fd9d5c107df in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fd9c67b2700 (LWP 2527)):
#0  0x00007fd9d5c0748d in poll () from /usr/lib/libc.so.6
#1  0x00007fd9d25588e0 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007fd9d255a679 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007fd9c8904789 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fd9d62facf8 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fd9d1cd5454 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fd9d5c107df in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fd9d9ee21c0 (LWP 2526)):
[KCrash Handler]
#6  0x00007fd9d5b5b04f in raise () from /usr/lib/libc.so.6
#7  0x00007fd9d5b5c47a in abort () from /usr/lib/libc.so.6
#8  0x00007fd9d5b98c50 in __libc_message () from /usr/lib/libc.so.6
#9  0x00007fd9d5b9efe6 in malloc_printerr () from /usr/lib/libc.so.6
#10 0x00007fd9d5ba1411 in _int_malloc () from /usr/lib/libc.so.6
#11 0x00007fd9d5ba2d44 in malloc () from /usr/lib/libc.so.6
#12 0x00007fd9d5f55a48 in operator new (sz=48) at /build/gcc/src/gcc/libstdc++-v3/libsupc++/new_op.cc:50
#13 0x00007fd9d6359331 in QHashData::detach_helper(void (*)(QHashData::Node*, void*), void (*)(QHashData::Node*), int, int) () from /usr/lib/libQt5Core.so.5
#14 0x00007fd9d82d64ca in ?? () from /usr/lib/libQt5Widgets.so.5
#15 0x00007fd9d82d3bda in QListView::rowsAboutToBeRemoved(QModelIndex const&, int, int) () from /usr/lib/libQt5Widgets.so.5
#16 0x00007fd9d82af0ba in ?? () from /usr/lib/libQt5Widgets.so.5
#17 0x00007fd9d65010c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#18 0x00007fd9d6578c04 in QAbstractItemModel::rowsAboutToBeRemoved(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () from /usr/lib/libQt5Core.so.5
#19 0x00007fd9d647cda3 in QAbstractItemModel::beginRemoveRows(QModelIndex const&, int, int) () from /usr/lib/libQt5Core.so.5
#20 0x00007fd9d886ea14 in KPageWidgetModel::removePage(KPageWidgetItem*) () from /usr/lib/libKF5WidgetsAddons.so.5
#21 0x00007fd9d9bad51d in ModuleView::closeModules() () from /usr/lib/libsystemsettingsview.so.3
#22 0x00007fd9b456a2ce in ?? () from /usr/lib/qt/plugins/icon_mode.so
#23 0x00007fd9d65010c9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#24 0x00007fd9d8057992 in QAction::triggered(bool) () from /usr/lib/libQt5Widgets.so.5
#25 0x00007fd9d805a380 in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQt5Widgets.so.5
#26 0x00007fd9d8147ead in ?? () from /usr/lib/libQt5Widgets.so.5
#27 0x00007fd9d81480e4 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#28 0x00007fd9d821437a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#29 0x00007fd9d80a59b8 in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#30 0x00007fd9d8214459 in QToolButton::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#31 0x00007fd9d805e35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#32 0x00007fd9d806698d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#33 0x00007fd9d64d58e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#34 0x00007fd9d806503d in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQt5Widgets.so.5
#35 0x00007fd9d80c00b6 in ?? () from /usr/lib/libQt5Widgets.so.5
#36 0x00007fd9d80c2ac3 in ?? () from /usr/lib/libQt5Widgets.so.5
#37 0x00007fd9d805e35c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#38 0x00007fd9d8065ad1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#39 0x00007fd9d64d58e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#40 0x00007fd9d78ca663 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5
#41 0x00007fd9d78cc1e5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5
#42 0x00007fd9d78aa15b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#43 0x00007fd9c893adc0 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#44 0x00007fd9cffea587 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#45 0x00007fd9cffea7f0 in ?? () from /usr/lib/libglib-2.0.so.0
#46 0x00007fd9cffea89c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#47 0x00007fd9d652a2bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#48 0x00007fd9d64d3d3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#49 0x00007fd9d64dc23c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#50 0x000000000040c0b0 in ?? ()
#51 0x00007fd9d5b48291 in __libc_start_main () from /usr/lib/libc.so.6
#52 0x000000000040c12a in _start ()

Possible duplicates by query: bug 374350.

Reported using DrKonqi