Application: plasma-discover (5.8.4)

Qt Version: 5.7.0
Frameworks Version: 5.28.0
Operating System: Linux 4.8.0-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:

Open discover
choose any application and then click install
application was installed successfully then discover crash

The crash can be reproduced every time.

-- Backtrace:
Application: Descubrir (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4eeb0117c0 (LWP 7221))]

Thread 8 (Thread 0x7f4eaf7ff700 (LWP 7240)):
#0  0x00007f4ee6b3c4ed in read () at /usr/lib/libc.so.6
#1  0x00007f4ee1ee7a10 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea3235 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee1ea3724 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f4ee776672b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4ee771023a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f4ee75330f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f4ee7537d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f4eb8c50700 (LWP 7229)):
#0  0x00007f4ee6b3c4ed in read () at /usr/lib/libc.so.6
#1  0x00007f4ee1ee7a10 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea3235 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee1ea3724 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4ee1ea3b12 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#5  0x00007f4eba902316 in  () at /usr/lib/libgio-2.0.so.0
#6  0x00007f4ee1ecb0d5 in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f4eb9451700 (LWP 7228)):
#0  0x00007f4ee6b3c4ed in read () at /usr/lib/libc.so.6
#1  0x00007f4ee1ee7a10 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea3235 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee1ea3724 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f4ee1ea38e1 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007f4ee1ecb0d5 in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f4ec58d2700 (LWP 7226)):
#0  0x00007f4ee1ea07bd in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4ee1ea30b4 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea3724 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4ee776672b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4ee771023a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4ee75330f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f4ee7537d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f4ec62dc700 (LWP 7225)):
#0  0x00007f4ee1ee8dd4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4ee1ea26de in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea3635 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4ee776672b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4ee771023a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4ee75330f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f4eea5cd856 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f4ee7537d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4ece493700 (LWP 7224)):
#0  0x00007f4ee1ea2d89 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4ee1ea36ab in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee776672b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4ee771023a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4ee75330f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4ee80c92d5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f4ee7537d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f4ecf6a4700 (LWP 7223)):
#0  0x00007f4ee1ee8dd4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f4ee1ea2f89 in g_main_context_query () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4ee1ea36f8 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f4ee776672b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4ee771023a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4ee75330f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f4ee939de55 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f4ee7537d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4ee3b88454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f4ee6b497df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f4eeb0117c0 (LWP 7221)):
[KCrash Handler]
#6  0x00007f4ebae41357 in as_provided_get_items () at /usr/lib/libappstream.so.4
#7  0x00007f4ebb06ebcd in AppStream::Provided::items() const () at /usr/lib/libAppStreamQt.so.2
#8  0x00007f4ebb4d9977 in  () at /usr/lib/qt/plugins/discover/packagekit-backend.so
#9  0x00007f4eea2aeade in  () at /usr/lib/plasma-discover/libDiscoverCommon.so
#10 0x00007f4eea2b128b in AbstractResource::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/plasma-discover/libDiscoverCommon.so
#11 0x00007f4ebb4e8bc5 in  () at /usr/lib/qt/plugins/discover/packagekit-backend.so
#12 0x00007f4ee800c6ee in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007f4ee800d2bd in QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, bool) () at /usr/lib/libQt5Qml.so.5
#14 0x00007f4ee800daac in QV4::QObjectWrapper::getQmlProperty(QQmlContextData*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, bool) const () at /usr/lib/libQt5Qml.so.5
#15 0x00007f4ee8023dc6 in QV4::Runtime::getProperty(QV4::ExecutionEngine*, QV4::Value const&, int) () at /usr/lib/libQt5Qml.so.5
#16 0x00007f4ed40e283a in  ()
#17 0x00007ffdb18bd434 in  ()
#18 0x0000000005830ef0 in  ()
#19 0x5c09d59d00000000 in  ()
#20 0x4c60c98a46785b00 in  ()
#21 0x00000099cd490005 in  ()
#22 0x000000000489c190 in  ()
#23 0x000000000489c190 in  ()
#24 0x00007f4ecd494378 in  ()
#25 0x00007f4ecd494010 in  ()
#26 0x0000000001aef460 in  ()
#27 0x00007f4ecd494370 in  ()
#28 0x00007f4ee7fbd64b in  () at /usr/lib/libQt5Qml.so.5
#29 0x00007f4ee80ad6bd in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5
#30 0x00007f4ee80adba1 in QQmlJavaScriptExpression::evaluate(bool*) () at /usr/lib/libQt5Qml.so.5
#31 0x00007f4ee80b5716 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#32 0x00007f4ee80b60be in QQmlBinding::refresh() () at /usr/lib/libQt5Qml.so.5
#33 0x00007f4ee808aed4 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#34 0x00007f4ee803502c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#35 0x00007f4ee773dd7c in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#36 0x00007f4ebb4d1850 in  () at /usr/lib/qt/plugins/discover/packagekit-backend.so
#37 0x00007f4ebb4c74d9 in PackageKitBackend::addPackage(PackageKit::Transaction::Info, QString const&, QString const&, bool) () at /usr/lib/qt/plugins/discover/packagekit-backend.so
#38 0x00007f4ee773d9ce in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#39 0x00007f4ebb28fdab in PackageKit::Transaction::package(PackageKit::Transaction::Info, QString const&, QString const&) () at /usr/lib/libpackagekitqt5.so.0
#40 0x00007f4ebb291a6a in  () at /usr/lib/libpackagekitqt5.so.0
#41 0x00007f4ee773d659 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#42 0x00007f4ebb29f618 in  () at /usr/lib/libpackagekitqt5.so.0
#43 0x00007f4ebb2a0030 in  () at /usr/lib/libpackagekitqt5.so.0
#44 0x00007f4ee93aa2d0 in  () at /usr/lib/libQt5DBus.so.5
#45 0x00007f4ee773e4b9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#46 0x00007f4ee8c82e0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#47 0x00007f4ee8c8a581 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#48 0x00007f4ee7711de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#49 0x00007f4ee771456d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#50 0x00007f4ee7766303 in  () at /usr/lib/libQt5Core.so.5
#51 0x00007f4ee1ea3587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#52 0x00007f4ee1ea37f0 in  () at /usr/lib/libglib-2.0.so.0
#53 0x00007f4ee1ea389c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#54 0x00007f4ee776670f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#55 0x00007f4ee771023a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#56 0x00007f4ee771873c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#57 0x0000000000409f89 in  ()
#58 0x00007f4ee6a81291 in __libc_start_main () at /usr/lib/libc.so.6
#59 0x000000000040a0aa in _start ()

Reported using DrKonqi