Application: systemsettings5 (5.12.6)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-38-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
System settings -> Application Style -> GNOME Application Style (GTK), clicked Get New Themes, Install a local file..., used the file picker to choose an index.theme file.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5b0801a800 (LWP 14131))]

Thread 5 (Thread 0x7f5ad54d0700 (LWP 14137)):
#0  0x00007f5b03a67bf9 in __GI___poll (fds=0x7f5ad0003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5afd8cb439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5b043b090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5b0417422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f5b01cc96f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f5b0417916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f5affc1b6db in start_thread (arg=0x7f5ad54d0700) at pthread_create.c:463
#9  0x00007f5b03a7488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f5add552700 (LWP 14136)):
#0  0x00007f5b03a630b4 in __GI___libc_read (fd=13, buf=0x7f5add551b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f5afd90fa00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5afd8caf27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5afd8cb3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5b043b090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f5b0417422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f5b01cc96f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f5b0417916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f5affc1b6db in start_thread (arg=0x7f5add552700) at pthread_create.c:463
#11 0x00007f5b03a7488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f5ae7212700 (LWP 14134)):
#0  0x00007f5b03a67bf9 in __GI___poll (fds=0x7f5ae0013270, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5afd8cb439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5b043b090b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5b0417422a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f5b05cbad45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f5b0417916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f5affc1b6db in start_thread (arg=0x7f5ae7212700) at pthread_create.c:463
#9  0x00007f5b03a7488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f5af50c9700 (LWP 14133)):
#0  0x00007f5b03a67bf9 in __GI___poll (fds=0x7f5af50c8ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f5aff7aa747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f5aff7ac36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f5af7e762a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f5b0417916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5affc1b6db in start_thread (arg=0x7f5af50c9700) at pthread_create.c:463
#6  0x00007f5b03a7488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f5b0801a800 (LWP 14131)):
[KCrash Handler]
#6  0x00007f5ace262f86 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_kdegtkconfig.so
#7  0x00007f5ace26f487 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_kdegtkconfig.so
#8  0x00007f5b043866cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f5b03488b52 in KUrlRequester::textChanged(QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#10 0x00007f5b043866cf in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f5b054a8cd2 in QLineEdit::textChanged(QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f5b054af109 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f5b054afc65 in QWidgetLineControl::textChanged(QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f5b054b2fa1 in QWidgetLineControl::finishChange(int, bool, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f5b054b32d0 in QWidgetLineControl::internalSetText(QString const&, int, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f5b054aa92c in QLineEdit::setText(QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f5b03488f00 in KUrlRequester::setUrl(QUrl const&) () at /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#19 0x00007f5b03489d31 in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#20 0x00007f5b0348c299 in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#21 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f5b055601e2 in QFileDialog::done(int) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f5b055603ee in QFileDialog::accept() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f5aef6e61d8 in KFileWidget::slotOk() () at /usr/lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#28 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f5b05458b82 in QAbstractButton::clicked(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f5b05458d9a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f5b0545a17a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f5b0545a36d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f5b053a6038 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f5b0536f64f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f5b0536e622 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f5b053c114b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f5b053c37ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f5b0536f0f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f5b04bab523 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#44 0x00007f5b04bacff5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#45 0x00007f5b04b842eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#46 0x00007f5af7ed91c0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#47 0x00007f5afd8cb287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f5afd8cb4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f5b043b08ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x00007f5b05551ec7 in QDialog::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#53 0x00007f5b05551dcc in QDialog::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007f5b0348a346 in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#55 0x00007f5b0348c379 in  () at /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#56 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x00007f5b05458b82 in QAbstractButton::clicked(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007f5b05458d9a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#59 0x00007f5b0545a17a in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007f5b0545a36d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007f5b053a6038 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#63 0x00007f5b0536f64f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#64 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#65 0x00007f5b0536e622 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#66 0x00007f5b053c114b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#67 0x00007f5b053c37ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#68 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#69 0x00007f5b0536f0f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#70 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#71 0x00007f5b04bab523 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#72 0x00007f5b04bacff5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#73 0x00007f5b04b842eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#74 0x00007f5af7ed91c0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#75 0x00007f5afd8cb287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007f5afd8cb4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007f5b043b08ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#79 0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#80 0x00007f5b05551ec7 in QDialog::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#81 0x00007f5ace267b5d in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_kdegtkconfig.so
#82 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#83 0x00007f5b05361122 in QAction::triggered(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#84 0x00007f5b0536380c in QAction::activate(QAction::ActionEvent) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#85 0x00007f5b054e00bc in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#86 0x00007f5b054e756b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#87 0x00007f5b054e8393 in QMenu::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#88 0x00007f5b053a6038 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#89 0x00007f5b054ea6bb in QMenu::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#90 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#91 0x00007f5b0536f64f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#92 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#93 0x00007f5b0536e622 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#94 0x00007f5b053c0e85 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#95 0x00007f5b053c37ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#96 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#97 0x00007f5b0536f0f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#98 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#99 0x00007f5b04bab523 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#100 0x00007f5b04bacff5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#101 0x00007f5b04b842eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#102 0x00007f5af7ed91c0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#103 0x00007f5afd8cb287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#104 0x00007f5afd8cb4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#105 0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#106 0x00007f5b043b08ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#107 0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#108 0x00007f5b054e52b0 in QMenu::exec(QPoint const&, QAction*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#109 0x00007f5b0553819b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#110 0x00007f5b043865b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#111 0x00007f5b05458e5d in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#112 0x00007f5b0545955c in QAbstractButton::mousePressEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#113 0x00007f5b05538e3a in QToolButton::mousePressEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#114 0x00007f5b053a698f in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#115 0x00007f5b05539084 in QToolButton::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#116 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#117 0x00007f5b0536f64f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#118 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#119 0x00007f5b0536e622 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#120 0x00007f5b053c114b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#121 0x00007f5b053c37ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#122 0x00007f5b0536782c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#123 0x00007f5b0536f0f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#124 0x00007f5b043579a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#125 0x00007f5b04bab523 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#126 0x00007f5b04bacff5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#127 0x00007f5b04b842eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#128 0x00007f5af7ed91c0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#129 0x00007f5afd8cb287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#130 0x00007f5afd8cb4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#131 0x00007f5afd8cb54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#132 0x00007f5b043b08ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#133 0x00007f5b043559ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#134 0x00007f5b0435ea84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#135 0x00005600ae09ce44 in  ()
#136 0x00007f5b03974b97 in __libc_start_main (main=0x5600ae09ca40, argc=1, argv=0x7ffcb992bbd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcb992bbc8) at ../csu/libc-start.c:310
#137 0x00005600ae09ceca in _start ()

Reported using DrKonqi