Application: systemsettings5 (5.12.6)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.6-200.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I applied new Look and Feel settings, clicked the close button and the dialog crashed.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9fd4097940 (LWP 2634))]

Thread 6 (Thread 0x7f9f8ed02700 (LWP 2934)):
#0  0x00007f9fc77acf83 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007f9fc77adb1b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9fc77add10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f9fcfb2fc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f9fcfade12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f9fcf92c9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f9fcde413a9 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f9fcf93111d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f9fcc4cf594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f9fcec6e0df in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f9f53e2e700 (LWP 2830)):
#0  0x00007f9fc77ad081 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007f9fc77adb1b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f9fc77add10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f9fcfb2fc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f9fcfade12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f9fcf92c9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f9fcf93111d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f9fcc4cf594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9fcec6e0df in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f9f8ffff700 (LWP 2653)):
#0  0x00007f9fcec5f0c4 in read () at /lib64/libc.so.6
#1  0x00007f9fc77f3070 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f9fc77ad6db in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9fc77adb90 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f9fc77adfa2 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#5  0x00007f9f953b16ba in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#6  0x00007f9fc77d5f2a in g_thread_proxy () at /lib64/libglib-2.0.so.0
#7  0x00007f9fcc4cf594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f9fcec6e0df in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f9f94b1f700 (LWP 2652)):
#0  0x00007f9fc77f448d in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f9fc77acf9b in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f9fc77adb1b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f9fc77add10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f9fc77add61 in glib_worker_main () at /lib64/libglib-2.0.so.0
#5  0x00007f9fc77d5f2a in g_thread_proxy () at /lib64/libglib-2.0.so.0
#6  0x00007f9fcc4cf594 in start_thread () at /lib64/libpthread.so.0
#7  0x00007f9fcec6e0df in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f9facce2700 (LWP 2637)):
#0  0x00007f9fcec5f0c4 in read () at /lib64/libc.so.6
#1  0x00007f9fc77f3070 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f9fc77ad6db in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f9fc77adb90 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007f9fc77add10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007f9fcfb2fc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f9fcfade12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f9fcf92c9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f9fd4172299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#9  0x00007f9fcf93111d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f9fcc4cf594 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f9fcec6e0df in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f9fd4097940 (LWP 2634)):
[KCrash Handler]
#6  0x00007f9f8f10154c in QHash<QPair<QString, QString>, Tp::Connection::Private::HandleContext*>::findNode(QPair<QString, QString> const&, unsigned int) const () at /lib64/libtelepathy-qt5.so.0
#7  0x00007f9f8f10167a in QHash<QPair<QString, QString>, Tp::Connection::Private::HandleContext*>::remove(QPair<QString, QString> const&) () at /lib64/libtelepathy-qt5.so.0
#8  0x00007f9f8f0eaf4d in Tp::Connection::Private::~Private() () at /lib64/libtelepathy-qt5.so.0
#9  0x00007f9f8f0eb4c1 in Tp::Connection::~Connection() () at /lib64/libtelepathy-qt5.so.0
#10 0x00007f9f8f0eb51d in Tp::Connection::~Connection() () at /lib64/libtelepathy-qt5.so.0
#11 0x00007f9f8f002e15 in Tp::Account::Private::~Private() () at /lib64/libtelepathy-qt5.so.0
#12 0x00007f9f8f002ed1 in Tp::Account::~Account() () at /lib64/libtelepathy-qt5.so.0
#13 0x00007f9f8f002f2d in Tp::Account::~Account() () at /lib64/libtelepathy-qt5.so.0
#14 0x00007f9f8f022f11 in QHash<QString, Tp::SharedPtr<Tp::Account> >::deleteNode2(QHashData::Node*) () at /lib64/libtelepathy-qt5.so.0
#15 0x00007f9fcf978849 in QHashData::free_helper(void (*)(QHashData::Node*)) () at /lib64/libQt5Core.so.5
#16 0x00007f9f8f01c7e0 in Tp::AccountManager::Private::~Private() () at /lib64/libtelepathy-qt5.so.0
#17 0x00007f9f8f01c841 in Tp::AccountManager::~AccountManager() () at /lib64/libtelepathy-qt5.so.0
#18 0x00007f9f8f01c89d in Tp::AccountManager::~AccountManager() () at /lib64/libtelepathy-qt5.so.0
#19 0x00007f9f94111d99 in KAccountsUiProvider::~KAccountsUiProvider() () at /usr/lib64/qt5/plugins/kaccounts/ui/ktpaccountskcm_plugin_kaccounts.so
#20 0x00007f9f94111e1d in KAccountsUiProvider::~KAccountsUiProvider() () at /usr/lib64/qt5/plugins/kaccounts/ui/ktpaccountskcm_plugin_kaccounts.so
#21 0x00007f9f95f367ae in UiPluginsManagerPrivate::~UiPluginsManagerPrivate() () at /usr/lib64/qt5/plugins/kcm_kaccounts.so
#22 0x00007f9f95f3684d in (anonymous namespace)::Q_QGS_s_instance::innerFunction()::Holder::~Holder() () at /usr/lib64/qt5/plugins/kcm_kaccounts.so
#23 0x00007f9fcebad72c in __run_exit_handlers () at /lib64/libc.so.6
#24 0x00007f9fcebad85c in  () at /lib64/libc.so.6
#25 0x00007f9fceb97252 in __libc_start_main () at /lib64/libc.so.6
#26 0x000055b885a0709a in _start ()

Reported using DrKonqi