Bug 373964

Application: kwalletmanager5 (16.08.3)

Qt Version: 5.7.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.14-300.fc25.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I tried to delete a wallet when there wasn't any wallet in the system.

The crash can be reproduced every time.

-- Backtrace:
Application: Wallet Manager (kwalletmanager5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8b5d6926c0 (LWP 3574))]

Thread 2 (Thread 0x7f8b5180b700 (LWP 3576)):
#0  0x00007f8b6a88200d in poll () from /lib64/libc.so.6
#1  0x00007f8b63b0f156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f8b63b0f26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f8b6b68873b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f8b6b63973a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f8b6b4965f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f8b71315739 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#7  0x00007f8b6b49a9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f8b68ffd6ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007f8b6a88df6f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f8b5d6926c0 (LWP 3574)):
[KCrash Handler]
#6  0x000056459a799200 in KWalletManager::deleteWallet() ()
#7  0x00007f8b6b661ae6 in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#8  0x00007f8b6bfdf4b2 in QAction::triggered(bool) () from /lib64/libQt5Widgets.so.5
#9  0x00007f8b6bfe1ee2 in QAction::activate(QAction::ActionEvent) () from /lib64/libQt5Widgets.so.5
#10 0x00007f8b6c151a4a in QMenuPrivate::activateCausedStack(QVector<QPointer<QWidget> > const&, QAction*, QAction::ActionEvent, bool) () from /lib64/libQt5Widgets.so.5
#11 0x00007f8b6c15911c in QMenuPrivate::activateAction(QAction*, QAction::ActionEvent, bool) () from /lib64/libQt5Widgets.so.5
#12 0x00007f8b6c15a116 in QMenu::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#13 0x00007f8b6c02d780 in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#14 0x00007f8b6c15c4b3 in QMenu::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#15 0x00007f8b6bfe5ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#16 0x00007f8b6bfee52d in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#17 0x00007f8b6b63a7aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#18 0x00007f8b6bfecbbd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /lib64/libQt5Widgets.so.5
#19 0x00007f8b6c04831d in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#20 0x00007f8b6c04a963 in QWidgetWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#21 0x00007f8b6bfe5ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#22 0x00007f8b6bfed671 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#23 0x00007f8b6b63a7aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#24 0x00007f8b6badc2b3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib64/libQt5Gui.so.5
#25 0x00007f8b6baddd85 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib64/libQt5Gui.so.5
#26 0x00007f8b6babec4b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#27 0x00007f8b56a3e750 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5XcbQpa.so.5
#28 0x00007f8b63b0ee42 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#29 0x00007f8b63b0f1c0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#30 0x00007f8b63b0f26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#31 0x00007f8b6b68871f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#32 0x00007f8b6b63973a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#33 0x00007f8b6b64123c in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#34 0x000056459a798cda in main ()

Reported using DrKonqi