(gdb) backtrace full
#0  0x00007ffff5b444ed in syscall () at /usr/lib/libc.so.6
#1  0x00007ffff42de39d in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffd575a1fb in as_stemmer_process () at /usr/lib/libappstream-glib.so.8
#3  0x00007fffd575a351 in  () at /usr/lib/libappstream-glib.so.8
#4  0x00007fffd75f3802 in g_type_create_instance () at /usr/lib/libgobject-2.0.so.0
#5  0x00007fffd7610259 in  () at /usr/lib/libgobject-2.0.so.0
#6  0x00007fffd761175d in g_object_new_with_properties () at /usr/lib/libgobject-2.0.so.0
#7  0x00007fffd761186a in g_object_new () at /usr/lib/libgobject-2.0.so.0
#8  0x00007fffd57513c4 in as_store_new () at /usr/lib/libappstream-glib.so.8
#9  0x00007fffd57b74ee in  () at /usr/lib/libflatpak.so.0
#10 0x00007fffd57bd9bb in  () at /usr/lib/libflatpak.so.0
#11 0x00007fffd57c84c7 in  () at /usr/lib/libflatpak.so.0
#12 0x00007fffd5804902 in  () at /usr/lib/libflatpak.so.0
#13 0x00007fffd5805644 in flatpak_installation_get_installed_ref () at /usr/lib/libflatpak.so.0
#14 0x00007fffd589f3b1 in  () at /usr/lib/qt/plugins/discover/flatpak-backend.so
#15 0x00007fffd589fa81 in  () at /usr/lib/qt/plugins/discover/flatpak-backend.so
#16 0x00007fffd58a4eed in  () at /usr/lib/qt/plugins/discover/flatpak-backend.so
#17 0x00007fffd58a5979 in  () at /usr/lib/qt/plugins/discover/flatpak-backend.so
#18 0x00007ffff60483e0 in QMetaObject::activate(QObject*, int, int, void**) ()
    at /usr/lib/libQt5Core.so.5
#19 0x00007ffff5e6c2e5 in QFutureWatcherBase::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#20 0x00007ffff6f22e34 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
    at /usr/lib/libQt5Widgets.so.5
#21 0x00007ffff6f2a671 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
--Type <RET> for more, q to quit, c to continue without paging--
#22 0x00007ffff601d8f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) ()
    at /usr/lib/libQt5Core.so.5
#23 0x00007ffff6020998 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
    at /usr/lib/libQt5Core.so.5
#24 0x00007ffff6073fd4 in  () at /usr/lib/libQt5Core.so.5
#25 0x00007ffff432ea2f in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#26 0x00007ffff43305e9 in  () at /usr/lib/libglib-2.0.so.0
#27 0x00007ffff433062e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#28 0x00007ffff60735a9 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
    () at /usr/lib/libQt5Core.so.5
#29 0x00007ffff601c58c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
    at /usr/lib/libQt5Core.so.5
#30 0x00007ffff6024896 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#31 0x0000555555567616 in  ()
#32 0x00007ffff5a72223 in __libc_start_main () at /usr/lib/libc.so.6
#33 0x0000555555567bde in _start ()