Bug 395551

Application: plasma-discover (5.12.5)

Qt Version: 5.11.0
Frameworks Version: 5.46.0
Operating System: Linux 4.16.12-2-default x86_64
Distribution (Platform): openSUSE RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Updating openSUSE with zypper
Tried to open Discover settings while the update was running
Discover crashed

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd664077800 (LWP 7149))]

Thread 13 (Thread 0x7fd60b5af700 (LWP 7168)):
#0  0x00007fd65ff0310e in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#1  0x00007fd65ff04bcc in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007fd659a06988 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a0735b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fd65ff0488b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fd65fce736a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#10 0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fd60bfff700 (LWP 7167)):
#0  0x00007fd65bcad899 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd65fcf2820 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fd65fce981e in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#5  0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fd61a5de700 (LWP 7160)):
#0  0x00007fd65f5dc529 in syscall () at /lib64/libc.so.6
#1  0x00007fd65fce5ef4 in QSemaphore::acquire(int) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fd65d4d0604 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#5  0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fd61addf700 (LWP 7159)):
#0  0x00007fd65fce3d9c in QMutex::lock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007fd65ff047bd in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007fd659a06988 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a0735b in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fd65ff0488b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fd65fce736a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#10 0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fd61b7fe700 (LWP 7158)):
#0  0x00007fd65f5d2bf4 in read () at /lib64/libc.so.6
#1  0x00007fd659a4bab0 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd659a06f17 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a073d0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd659a077c2 in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fd62908be26 in  () at /usr/lib64/libgio-2.0.so.0
#6  0x00007fd659a2ef65 in  () at /usr/lib64/libglib-2.0.so.0
#7  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#8  0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fd61bfff700 (LWP 7157)):
#0  0x00007fd659a0630f in g_main_context_acquire () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fd659a072e5 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a07581 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd659a2ef65 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#6  0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fd621b0f700 (LWP 7156)):
#0  0x00007ffe16253b16 in clock_gettime ()
#1  0x00007fd65f5ef4e6 in clock_gettime () at /lib64/libc.so.6
#2  0x00007fd65ff04291 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007fd65ff02b69 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#4  0x00007fd65ff030e5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd65ff0462e in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd659a06988 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#7  0x00007fd659a0735b in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#9  0x00007fd65ff0488b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fd65fce736a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#12 0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#13 0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#14 0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fd6334e7700 (LWP 7155)):
#0  0x00007fd659a4ce29 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fd659a06444 in g_main_context_release () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd659a073e6 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd65ff0488b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd65fce736a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fd66310c882 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#10 0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fd63401f700 (LWP 7154)):
#0  0x00007fd65bcad56c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd638b87e7b in  () at /usr/lib64/dri/nouveau_dri.so
#2  0x00007fd638b87ba7 in  () at /usr/lib64/dri/nouveau_dri.so
#3  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fd64314f700 (LWP 7153)):
#0  0x00007fd659a4ce44 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fd659a06978 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd659a0735b in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd65ff0488b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd65fce736a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fd660874f85 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#10 0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fd6488f7700 (LWP 7152)):
#0  0x00007fd659a4ce44 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fd659a06c29 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd659a073a7 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd65ff0488b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd65fce736a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fd661be6a85 in  () at /usr/lib64/libQt5DBus.so.5
#8  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#10 0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fd651217700 (LWP 7151)):
#0  0x00007fd65f5d7179 in poll () at /lib64/libc.so.6
#1  0x00007fd659795387 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fd659796faa in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fd6542301f9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fd65fcf1b58 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd65bca759b in start_thread () at /lib64/libpthread.so.0
#6  0x00007fd65f5e1a1f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fd664077800 (LWP 7149)):
[KCrash Handler]
#6  0x0000557c389afb00 in  ()
#7  0x00007fd662d9e2ff in AbstractResourcesBackend::Filters::shouldFilter(AbstractResource*) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#8  0x00007fd662d9e62d in AbstractResourcesBackend::Filters::filterJustInCase(QVector<AbstractResource*>&) const () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#9  0x00007fd662d95982 in ResourcesProxyModel::addResources(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#10 0x00007fd65fedb3c4 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fd662daec12 in ResultsStream::resourcesFound(QVector<AbstractResource*> const&) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#12 0x00007fd662d8db30 in AggregatedResultsStream::emitResults() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#13 0x00007fd662d8db89 in AggregatedResultsStream::clear() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#14 0x00007fd662d8ed03 in AggregatedResultsStream::destruction(QObject*) () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#15 0x00007fd65fedb3c4 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#16 0x00007fd65fedba3f in QObject::destroyed(QObject*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fd65fee1eba in QObject::~QObject() () at /usr/lib64/libQt5Core.so.5
#18 0x00007fd662d9de99 in ResultsStream::~ResultsStream() () at /usr/lib64/plasma-discover/libDiscoverCommon.so
#19 0x00007fd65fedbdd8 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#20 0x00007fd6614f288c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#21 0x00007fd6614f9974 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007fd65fead858 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#23 0x00007fd65feb01f5 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007fd65ff051e3 in  () at /usr/lib64/libQt5Core.so.5
#25 0x00007fd659a07277 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#26 0x00007fd659a074b0 in  () at /usr/lib64/libglib-2.0.so.0
#27 0x00007fd659a0753c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#28 0x00007fd65ff0486f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#29 0x00007fd6542b8591 in  () at /usr/lib64/libQt5XcbQpa.so.5
#30 0x00007fd65feac14a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#31 0x00007fd65feb4c30 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#32 0x0000557c3728f088 in  ()
#33 0x00007fd65f509a87 in __libc_start_main () at /lib64/libc.so.6
#34 0x0000557c3728f30a in _start ()

Reported using DrKonqi