Bug 398549

Summary: Discover crashes when trying to open
Product: [Applications] Discover Reporter: Sergio Valencia <sevaor>
Component: discoverAssignee: Aleix Pol <aleixpol>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.13.5   
Target Milestone: ---   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Sergio Valencia 2018-09-12 17:13:51 UTC 
Application: plasma-discover (5.13.5)

Qt Version: 5.11.1
Frameworks Version: 5.51.0
Operating System: Linux 4.15.0-34-generic x86_64
Distribution: KDE neon Developer Edition

-- Information about the crash:
Discover crashes everytime I try to open it

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7feb681e78c0 (LWP 5254))]

Thread 8 (Thread 0x7feb23734700 (LWP 5262)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007feb63e95fa4 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:92
#2  QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  futexSemaphoreTryAcquire<false> (timeout=-1, n=1, u=...) at thread/qsemaphore.cpp:264
#5  QSemaphore::acquire (this=this@entry=0x7feb23732140, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x00007feb640911b6 in QMetaObject::activate (sender=sender@entry=0x3340d50, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3739
#7  0x00007feb64091887 in QMetaObject::activate (sender=sender@entry=0x3340d50, m=m@entry=0x7feb616684c0 <QHttpThreadDelegate::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3633
#8  0x00007feb61411cb3 in QHttpThreadDelegate::encrypted (this=this@entry=0x3340d50) at .moc/moc_qhttpthreaddelegate_p.cpp:511
#9  0x00007feb61371378 in QHttpThreadDelegate::encryptedSlot (this=0x3340d50) at access/qhttpthreaddelegate.cpp:694
#10 0x00007feb61412d3d in QHttpThreadDelegate::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qhttpthreaddelegate_p.cpp:246
#11 0x00007feb64090f79 in QMetaObject::activate (sender=0x7feb1c002860, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3771
#12 0x00007feb64091887 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7feb61668300 <QHttpNetworkReply::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3633
#13 0x00007feb61410db0 in QHttpNetworkReply::encrypted (this=<optimized out>) at .moc/moc_qhttpnetworkreply_p.cpp:338
#14 0x00007feb61366c02 in QHttpNetworkConnectionChannel::_q_encrypted (this=0x7feb1c001b88) at access/qhttpnetworkconnectionchannel.cpp:1234
#15 0x00007feb613674cd in QHttpNetworkConnectionChannel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qhttpnetworkconnectionchannel_p.cpp:132
#16 0x00007feb64090f79 in QMetaObject::activate (sender=sender@entry=0x7feb1c003510, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3771
#17 0x00007feb64091887 in QMetaObject::activate (sender=sender@entry=0x7feb1c003510, m=m@entry=0x7feb616673c0 <QSslSocket::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3633
#18 0x00007feb613e7270 in QSslSocket::encrypted (this=this@entry=0x7feb1c003510) at .moc/moc_qsslsocket.cpp:301
#19 0x00007feb6140cd77 in QSslSocketBackendPrivate::continueHandshake (this=0x7feb1c003c20) at ssl/qsslsocket_opensslpre11.cpp:413
#20 0x00007feb614090db in QSslSocketBackendPrivate::startHandshake (this=this@entry=0x7feb1c003c20) at ssl/qsslsocket_openssl.cpp:1018
#21 0x00007feb61409ac6 in QSslSocketBackendPrivate::transmit (this=0x7feb1c003c20) at ssl/qsslsocket_openssl.cpp:730
#22 0x00007feb613ec8d1 in QSslSocket::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsslsocket.cpp:180
#23 0x00007feb64090f79 in QMetaObject::activate (sender=sender@entry=0x7feb1c004390, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3771
#24 0x00007feb64091887 in QMetaObject::activate (sender=sender@entry=0x7feb1c004390, m=m@entry=0x7feb644e2880 <QIODevice::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3633
#25 0x00007feb63f9d250 in QIODevice::readyRead (this=this@entry=0x7feb1c004390) at .moc/moc_qiodevice.cpp:185
#26 0x00007feb613b7973 in QAbstractSocketPrivate::emitReadyRead (this=this@entry=0x7feb1c004840, channel=channel@entry=0) at socket/qabstractsocket.cpp:1307
#27 0x00007feb613b7a2c in QAbstractSocketPrivate::canReadNotification (this=0x7feb1c004840) at socket/qabstractsocket.cpp:734
#28 0x00007feb613cb371 in QReadNotifier::event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1274
#29 0x00007feb656be39c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7feb1c002f00, e=0x7feb23733ad0) at kernel/qapplication.cpp:3727
#30 0x00007feb656c5ab0 in QApplication::notify (this=0x7fff668773a0, receiver=0x7feb1c002f00, e=0x7feb23733ad0) at kernel/qapplication.cpp:3486
#31 0x00007feb64064228 in QCoreApplication::notifyInternal2 (receiver=0x7feb1c002f00, event=event@entry=0x7feb23733ad0) at kernel/qcoreapplication.cpp:1048
#32 0x00007feb640bbd1d in QCoreApplication::sendEvent (event=0x7feb23733ad0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#33 socketNotifierSourceDispatch (source=0x7feb1c0013a0) at kernel/qeventdispatcher_glib.cpp:106
#34 0x00007feb5e0d2197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007feb5e0d23f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007feb5e0d249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007feb640bb0bb in QEventDispatcherGlib::processEvents (this=0x7feb1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#38 0x00007feb640625ba in QEventLoop::exec (this=this@entry=0x7feb23733cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#39 0x00007feb63e975e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#40 0x00007feb63ea2727 in QThreadPrivate::start (arg=0x2f54ff0) at thread/qthread_unix.cpp:367
#41 0x00007feb5ff3e6ba in start_thread (arg=0x7feb23734700) at pthread_create.c:333
#42 0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7feb315e6700 (LWP 5261)):
#0  0x00007feb6349a74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007feb5e0d238c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb5e0d249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb640bb0bb in QEventDispatcherGlib::processEvents (this=0x7feb280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007feb640625ba in QEventLoop::exec (this=this@entry=0x7feb315e5cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007feb63e975e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007feb63ea2727 in QThreadPrivate::start (arg=0x22fd780) at thread/qthread_unix.cpp:367
#7  0x00007feb5ff3e6ba in start_thread (arg=0x7feb315e6700) at pthread_create.c:333
#8  0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7feb31de7700 (LWP 5260)):
#0  0x00007feb6349627d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007feb5e1156f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb5e0d1e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb5e0d2330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007feb5e0d2712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007feb339db9d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007feb5e0f8bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007feb5ff3e6ba in start_thread (arg=0x7feb31de7700) at pthread_create.c:333
#8  0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7feb325e8700 (LWP 5259)):
#0  0x00007feb5e11665a in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007feb5e0f9060 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb5e0d248d in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb5e0d24d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007feb5e0f8bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007feb5ff3e6ba in start_thread (arg=0x7feb325e8700) at pthread_create.c:333
#6  0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7feb3c814700 (LWP 5258)):
#0  0x00007feb6349a74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007feb5e0d238c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb5e0d249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb640bb0bb in QEventDispatcherGlib::processEvents (this=0x7feb380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007feb640625ba in QEventLoop::exec (this=this@entry=0x7feb3c813c80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007feb63e975e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007feb672e7f86 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007feb63ea2727 in QThreadPrivate::start (arg=0x21c6130) at thread/qthread_unix.cpp:367
#8  0x00007feb5ff3e6ba in start_thread (arg=0x7feb3c814700) at pthread_create.c:333
#9  0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7feb47fff700 (LWP 5257)):
#0  0x00007feb6349a74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007feb5e0d238c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb5e0d249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb640bb0bb in QEventDispatcherGlib::processEvents (this=0x7feb400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007feb640625ba in QEventLoop::exec (this=this@entry=0x7feb47ffecd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007feb63e975e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007feb64a22195 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007feb63ea2727 in QThreadPrivate::start (arg=0x1a26af0) at thread/qthread_unix.cpp:367
#8  0x00007feb5ff3e6ba in start_thread (arg=0x7feb47fff700) at pthread_create.c:333
#9  0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7feb4d853700 (LWP 5256)):
#0  0x00007feb5e116a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007feb5e0d234e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007feb5e0d249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007feb640bb0bb in QEventDispatcherGlib::processEvents (this=0x7feb480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007feb640625ba in QEventLoop::exec (this=this@entry=0x7feb4d852cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007feb63e975e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007feb65dddf35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007feb63ea2727 in QThreadPrivate::start (arg=0x7feb66056d60) at thread/qthread_unix.cpp:367
#8  0x00007feb5ff3e6ba in start_thread (arg=0x7feb4d853700) at pthread_create.c:333
#9  0x00007feb634a641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7feb681e78c0 (LWP 5254)):
[KCrash Handler]
#6  0x00007feb633d4428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007feb633d602a in __GI_abort () at abort.c:89
#8  0x00007feb634167ea in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7feb6352fed8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007feb6341f37a in malloc_printerr (ar_ptr=<optimized out>, ptr=<optimized out>, str=0x7feb6352ffe8 "double free or corruption (out)", action=3) at malloc.c:5006
#10 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3867
#11 0x00007feb6342353c in __GI___libc_free (mem=<optimized out>) at malloc.c:2968
#12 0x00007feb63ea3ef1 in QArrayData::deallocate (data=<optimized out>, objectSize=objectSize@entry=1, alignment=alignment@entry=8) at tools/qarraydata.cpp:167
#13 0x00007feb6131c3c7 in QTypedArrayData<char>::deallocate (data=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:237
#14 QByteArray::~QByteArray (this=0x32fbe18, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qbytearray.h:469
#15 QPair<QByteArray, QByteArray>::~QPair (this=0x32fbe10, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qpair.h:49
#16 QList<QPair<QByteArray, QByteArray> >::node_destruct (this=<optimized out>, to=0x3342bf8, from=0x3342be0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:494
#17 QList<QPair<QByteArray, QByteArray> >::dealloc (this=<optimized out>, data=0x3342bd0) at ../../include/QtCore/../../src/corelib/tools/qlist.h:865
#18 QList<QPair<QByteArray, QByteArray> >::~QList (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:827
#19 0x00007feb6132e8fa in QNetworkCacheMetaDataPrivate::~QNetworkCacheMetaDataPrivate (this=0x3342a90, __in_chrg=<optimized out>) at access/qabstractnetworkcache.cpp:51
#20 QSharedDataPointer<QNetworkCacheMetaDataPrivate>::~QSharedDataPointer (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:89
#21 QNetworkCacheMetaData::~QNetworkCacheMetaData (this=<optimized out>, __in_chrg=<optimized out>) at access/qabstractnetworkcache.cpp:128
#22 0x00007feb61340d22 in QCacheItem::reset (this=0x330abe0) at access/qnetworkdiskcache_p.h:85
#23 QCacheItem::read (this=this@entry=0x330abe0, device=device@entry=0x7fff66876040, readData=readData@entry=false) at access/qnetworkdiskcache.cpp:699
#24 0x00007feb613412c6 in QNetworkDiskCache::fileMetaData (this=this@entry=0x2ec56e0, fileName=...) at access/qnetworkdiskcache.cpp:381
#25 0x00007feb613413bb in QNetworkDiskCache::metaData (this=0x2ec56e0, url=...) at access/qnetworkdiskcache.cpp:364
#26 0x00007feb61378e99 in QNetworkReplyHttpImplPrivate::loadFromCacheIfAllowed (this=this@entry=0x3333740, httpRequest=...) at access/qnetworkreplyhttpimpl.cpp:503
#27 0x00007feb6137b656 in QNetworkReplyHttpImplPrivate::postRequest (this=this@entry=0x3333740, newHttpRequest=...) at access/qnetworkreplyhttpimpl.cpp:704
#28 0x00007feb6137c668 in QNetworkReplyHttpImplPrivate::start (this=this@entry=0x3333740, newHttpRequest=...) at access/qnetworkreplyhttpimpl.cpp:1836
#29 0x00007feb6137c873 in QNetworkReplyHttpImplPrivate::_q_startOperation (this=this@entry=0x3333740) at access/qnetworkreplyhttpimpl.cpp:1901
#30 0x00007feb6137ce68 in QNetworkReplyHttpImpl::QNetworkReplyHttpImpl (this=0x3348f80, manager=<optimized out>, request=..., operation=<optimized out>, outgoingData=0x0) at access/qnetworkreplyhttpimpl.cpp:252
#31 0x00007feb61311dda in QNetworkAccessManager::createRequest (this=0x2f56eb0, op=QNetworkAccessManager::GetOperation, originalReq=..., outgoingData=<optimized out>) at access/qnetworkaccessmanager.cpp:1454
#32 0x00007feb6130f144 in QNetworkAccessManager::get (this=0x2f56eb0, request=...) at access/qnetworkaccessmanager.cpp:847
#33 0x00007feb30093ca3 in Attica::KdePlatformDependent::get (this=0x3300d20, request=...) at /workspace/build/attica-kde/kdeplugin/kdeplatformdependent.cpp:92
#34 0x00007feb625385c7 in Attica::ProviderManager::addProviderFile (this=this@entry=0x7feb30739870 <(anonymous namespace)::Q_QGS_s_shared::innerFunction()::holder+16>, url=...) at /workspace/build/src/providermanager.cpp:150
#35 0x00007feb305327b3 in KNSReviews::setProviderUrl (this=<optimized out>, url=...) at /workspace/build/libdiscover/backends/KNSBackend/KNSReviews.cpp:169
#36 0x00007feb3052884f in KNSBackend::KNSBackend (this=0x32fd9b0, parent=<optimized out>, iconName=..., knsrc=...) at /workspace/build/libdiscover/backends/KNSBackend/KNSBackend.cpp:109
#37 0x00007feb3052c1ce in KNSBackendFactory::newInstance (this=this@entry=0x32f3c90, parent=0x1a903b0) at /workspace/build/libdiscover/backends/KNSBackend/KNSBackend.cpp:73
#38 0x00007feb66f88030 in DiscoverBackendsFactory::backendForFile (this=this@entry=0x7fff66876c8f, libname=..., name=...) at /workspace/build/libdiscover/DiscoverBackendsFactory.cpp:65
#39 0x00007feb66f886b2 in DiscoverBackendsFactory::backend (this=this@entry=0x7fff66876c8f, name=...) at /workspace/build/libdiscover/DiscoverBackendsFactory.cpp:51
#40 0x00007feb66f88b16 in DiscoverBackendsFactory::<lambda(const QString&)>::operator() (name=..., __closure=<synthetic pointer>) at /workspace/build/libdiscover/DiscoverBackendsFactory.cpp:99
#41 kTransform<QVector<AbstractResourcesBackend*>, QStringList, DiscoverBackendsFactory::allBackends() const::<lambda(const QString&)> > (op=..., input=...) at /workspace/build/libdiscover/utils.h:48
#42 DiscoverBackendsFactory::allBackends (this=this@entry=0x7fff66876c8f) at /workspace/build/libdiscover/DiscoverBackendsFactory.cpp:99
#43 0x00007feb66f72d07 in ResourcesModel::registerAllBackends (this=0x1a903b0) at /workspace/build/libdiscover/resources/ResourcesModel.cpp:208
#44 0x00007feb66f97635 in ResourcesModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /workspace/build/obj-x86_64-linux-gnu/libdiscover/moc_ResourcesModel.cpp:291
#45 0x00007feb64091fb9 in QObject::event (this=0x1a903b0, e=<optimized out>) at kernel/qobject.cpp:1251
#46 0x00007feb656be39c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1a903b0, e=0x1a90700) at kernel/qapplication.cpp:3727
#47 0x00007feb656c5ab0 in QApplication::notify (this=0x7fff668773a0, receiver=0x1a903b0, e=0x1a90700) at kernel/qapplication.cpp:3486
#48 0x00007feb64064228 in QCoreApplication::notifyInternal2 (receiver=0x1a903b0, event=event@entry=0x1a90700) at kernel/qcoreapplication.cpp:1048
#49 0x00007feb64066e2e in QCoreApplication::sendEvent (event=0x1a90700, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#50 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x197e9f0) at kernel/qcoreapplication.cpp:1745
#51 0x00007feb640672a8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1599
#52 0x00007feb640bba93 in postEventSourceDispatch (s=0x198ec60) at kernel/qeventdispatcher_glib.cpp:276
#53 0x00007feb5e0d2197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007feb5e0d23f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007feb5e0d249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007feb640bb09f in QEventDispatcherGlib::processEvents (this=this@entry=0x19d1700, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#57 0x00007feb57d889a1 in QPAEventDispatcherGlib::processEvents (this=0x19d1700, flags=...) at qeventdispatcher_glib.cpp:69
#58 0x00007feb640625ba in QEventLoop::exec (this=this@entry=0x7fff668772c0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#59 0x00007feb6406b6c4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#60 0x00007feb64ea9f8c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1762
#61 0x00007feb656be2f5 in QApplication::exec () at kernel/qapplication.cpp:2901
#62 0x00000000004131ff in main (argc=3, argv=<optimized out>) at /workspace/build/discover/main.cpp:156

The reporter indicates this bug may be a duplicate of or related to bug 398463, bug 398461.

Possible duplicates by query: bug 398488, bug 398464, bug 398463, bug 398461, bug 398398.

Reported using DrKonqi
Comment 1 Christoph Feck 2018-09-13 00:12:14 UTC 

*** This bug has been marked as a duplicate of bug 398412 ***