Application: plasma-discover (5.10.5)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.12.12-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
Arch Linux(i have flatpak and packagekit-qt5 installed) has some problems during installation apps in Discover. Sometimes when i try to open an app page in the store it crashes.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f22b1243e80 (LWP 20178))]

Thread 10 (Thread 0x7f2250905700 (LWP 20224)):
#0  0x00007f22ac937cbb in poll () at /usr/lib/libc.so.6
#1  0x00007f22a6f5ec09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f22ad274084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f22ad03140e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f226ffff700 (LWP 20201)):
#0  0x00007f22a6fa3a69 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f22a6f5da90 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007f22a6f5eac5 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f22ad274084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f22ad03140e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f227d38f700 (LWP 20198)):
#0  0x00007f22a6f5e7a9 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#1  0x00007f22a6f5ec88 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f22ad274084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f22ad03140e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f227f7a8700 (LWP 20194)):
#0  0x00007f22a6fa3a69 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f22a6f5dfb5 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f22a6f5eb3b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f22ad274084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f22ad03140e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f22b04eb96b in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f22803b7700 (LWP 20192)):
#0  0x00007f22a914a38d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f2285c03d9c in  () at /usr/lib/xorg/modules/dri/r600_dri.so
#2  0x00007f2285c03ca8 in  () at /usr/lib/xorg/modules/dri/r600_dri.so
#3  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f22813f6700 (LWP 20191)):
#0  0x00007f22a914a38d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f2285c03d9c in  () at /usr/lib/xorg/modules/dri/r600_dri.so
#2  0x00007f2285c03ca8 in  () at /usr/lib/xorg/modules/dri/r600_dri.so
#3  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f228ffff700 (LWP 20184)):
#0  0x00007f22ac937cbb in poll () at /usr/lib/libc.so.6
#1  0x00007f22a6f5ec09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f22ad274084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f22ad03140e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f22adbf53d9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f2295781700 (LWP 20183)):
#0  0x00007f22a6fa3a84 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f22a6f5dad7 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007f22a6f5eac5 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f22ad274084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f22ad03140e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f22af3af396 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f229e462700 (LWP 20179)):
#0  0x00007f22ac937cbb in poll () at /usr/lib/libc.so.6
#1  0x00007f22a6cf78e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f22a6cf9679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f22a0ffd72a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f22ad03615b in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f22a914408a in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f22ac9421bf in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f22b1243e80 (LWP 20178)):
[KCrash Handler]
#5  0x00007f22b0197d39 in AbstractResource::categoryMatches(Category*) () at /usr/lib/plasma-discover/libDiscoverCommon.so
#6  0x00007f22b0198414 in  () at /usr/lib/plasma-discover/libDiscoverCommon.so
#7  0x00007f22b0198a61 in AbstractResource::categoryObjects() const () at /usr/lib/plasma-discover/libDiscoverCommon.so
#8  0x00007f22b018c6c5 in ResourcesProxyModel::fetchSubcategories() () at /usr/lib/plasma-discover/libDiscoverCommon.so
#9  0x00007f22b018cf7d in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib/plasma-discover/libDiscoverCommon.so
#10 0x00007f22ad2498af in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#11 0x00007f22b01a7d43 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib/plasma-discover/libDiscoverCommon.so
#12 0x00007f22b0185c45 in AggregatedResultsStream::emitResults() () at /usr/lib/plasma-discover/libDiscoverCommon.so
#13 0x00007f22ad2498af in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#14 0x00007f22ad2566b8 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#15 0x00007f22ad256a29 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/libQt5Core.so.5
#16 0x00007f22ad24a18b in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#17 0x00007f22ae7d7e4c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007f22ae7df926 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f22ad219bd0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#20 0x00007f22ad2734a8 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#21 0x00007f22ad273cda in  () at /usr/lib/libQt5Core.so.5
#22 0x00007f22a6f5ea57 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#23 0x00007f22a6f5ec88 in  () at /usr/lib/libglib-2.0.so.0
#24 0x00007f22a6f5ed1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#25 0x00007f22ad274061 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#26 0x00007f22ad217ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#27 0x00007f22ad221048 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#28 0x0000556dcfea8ecf in  ()
#29 0x00007f22ac86cf6a in __libc_start_main () at /usr/lib/libc.so.6
#30 0x0000556dcfea91fa in _start ()

Reported using DrKonqi