Description of problem:
It occurred in the background. I'd not manually invoked Discover.

Version-Release number of selected component:
plasma-discover-6.4.4-1.fc42

Additional info:
reporter:       libreport-2.17.15
type:           CCpp
reason:         plasma-discover killed by SIGSEGV
journald_cursor: s=a2d6d580caa24cf3a9483be7f85033e4;i=27de3b;b=c6e7976306c548958460fc9148f93a9e;m=32fe44bb;t=63d6b9d7d227c;x=5fc06ebc80af3fc5
executable:     /usr/bin/plasma-discover
cmdline:        /usr/bin/plasma-discover --headless-update
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-org.kde.discover.notifier
rootdir:        /
uid:            1000
kernel:         6.15.10-200.fc42.x86_64
package:        plasma-discover-6.4.4-1.fc42
runlevel:       N 5
backtrace_rating: 4
crash_function: KCrash::defaultCrashHandler
comment:        It occurred in the background. I'd not manually invoked Discover.

Truncated backtrace:
Thread no. 1 (46 frames)
 #3 KCrash::defaultCrashHandler at /usr/src/debug/kf6-kcrash-6.17.0-1.fc42.x86_64/src/kcrash.cpp:605
 #5 operator()<QConcatenateTablesProxyModelPrivate::ModelInfo, QConcatenateTablesProxyModelPrivate::ModelInfo> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp:814
 #6 __gnu_cxx::__ops::_Iter_comp_iter<QConcatenateTablesProxyModelPrivate::calculatedColumnCount() const::<lambda(const auto:41&, const auto:42&)> >::operator()<QList<QConcatenateTablesProxyModelPrivate::ModelInfo>::const_iterator, QList<QConcatenateTablesProxyModelPrivate::ModelInfo>::const_iterator> at /usr/include/c++/15/bits/predefined_ops.h:158
 #7 std::__min_element<QList<QConcatenateTablesProxyModelPrivate::ModelInfo>::const_iterator, __gnu_cxx::__ops::_Iter_comp_iter<QConcatenateTablesProxyModelPrivate::calculatedColumnCount() const::<lambda(const auto:41&, const auto:42&)> > > at /usr/include/c++/15/bits/stl_algo.h:5640
 #8 std::min_element<QList<QConcatenateTablesProxyModelPrivate::ModelInfo>::const_iterator, QConcatenateTablesProxyModelPrivate::calculatedColumnCount() const::<lambda(const auto:41&, const auto:42&)> > at /usr/include/c++/15/bits/stl_algo.h:5691
 #9 QConcatenateTablesProxyModelPrivate::calculatedColumnCount at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp:816
 #10 QConcatenateTablesProxyModelPrivate::updateColumnCount at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp:823
 #11 QConcatenateTablesProxyModel::addSourceModel at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp:525
 #12 SourcesModel::addSourcesBackend at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/SourcesModel.cpp:65
 #13 FwupdBackend::FwupdBackend at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdBackend.cpp:41
 #14 FwupdBackendFactory::newInstance at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FwupdBackend/FwupdBackend.cpp:24
 #15 DiscoverBackendsFactory::backendForFile at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/DiscoverBackendsFactory.cpp:65
 #16 DiscoverBackendsFactory::backend at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/DiscoverBackendsFactory.cpp:46
 #17 operator() at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/DiscoverBackendsFactory.cpp:103
 #18 kTransform<QList<AbstractResourcesBackend*>, QList<QString>, DiscoverBackendsFactory::allBackends() const::<lambda(const QString&)> > at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/utils.h:54
 #19 DiscoverBackendsFactory::allBackends at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/DiscoverBackendsFactory.cpp:104
 #20 ResourcesModel::registerAllBackends at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:212
 #21 ResourcesModel::init at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:86
 #22 ResourcesModel::global at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:39
 #23 DiscoverObject::reconsiderQuit at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/discover/DiscoverObject.cpp:514
 #24 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
 #25 doActivate<false> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
 #26 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
 #27 doActivate<false> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
 #28 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206
 #29 QMetaObject::activate<void, QModelIndex, int, int, QAbstractItemModel::QPrivateSignal> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs.h:306
 #30 QAbstractItemModel::rowsRemoved at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/redhat-linux-build/src/corelib/Core_autogen/include/moc_qabstractitemmodel.cpp:700
 #31 QAbstractItemModel::endRemoveRows at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/itemmodels/qabstractitemmodel.cpp:2972
 #32 TransactionModel::removeTransaction at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/Transaction/TransactionModel.cpp:185
 #33 Transaction::~Transaction at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/Transaction/Transaction.cpp:30
 #34 FlatpakJobTransaction::~FlatpakJobTransaction at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FlatpakBackend/FlatpakJobTransaction.cpp:132
 #35 QObjectPrivate::deleteChildren at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:2223
 #36 QObject::~QObject at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1140
 #37 FlatpakBackend::~FlatpakBackend at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp:342
 #38 qDeleteAll<QList<AbstractResourcesBackend*>::const_iterator> at /usr/include/qt6/QtCore/qalgorithms.h:28
 #39 qDeleteAll<QList<AbstractResourcesBackend*> > at /usr/include/qt6/QtCore/qalgorithms.h:36
 #40 ResourcesModel::~ResourcesModel at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/resources/ResourcesModel.cpp:112
 #42 QObject::event at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1416
 #43 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
 #44 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
 #45 QCoreApplication::sendEvent at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1546
 #46 QCoreApplicationPrivate::sendPostedEvents at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1879
 #47 QCoreApplicationPrivate::execCleanup at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1468
 #48 QCoreApplication::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/tools/qscopedpointer.h:110
 #49 QGuiApplication::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:1986
 #50 QApplication::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2570