Application: plasma-discover (5.10.5)
 (Compiled from sources)
Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.10.0-35-generic x86_64
Distribution: KDE neon User Edition 5.10

-- Information about the crash:
- What I was doing when the application crashed: I was installing LibreOffice through Discover. I had begun browsing Discover's Software Library when it crashed. Afterwards, LibreOffice had installed correctly.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe5d11598c0 (LWP 1551))]

Thread 9 (Thread 0x7fe58e4dd700 (LWP 2459)):
#0  0x00007fe5c89a6a70 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe5c8961464 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5c8962346 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe580001580, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe58e4dcd00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x6a41e20) at thread/qthread_unix.cpp:368
#8  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe58e4dd700) at pthread_create.c:333
#9  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fe58f9e3700 (LWP 1567)):
#0  0x00007fe5c89a6a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe5c896223d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe5880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe58f9e2d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x3c38d50) at thread/qthread_unix.cpp:368
#7  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe58f9e3700) at pthread_create.c:333
#8  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fe59d43a700 (LWP 1560)):
#0  0x00007fe5cd38370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5c896238c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe5900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe59d439d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x3b5b8c0) at thread/qthread_unix.cpp:368
#7  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe59d43a700) at pthread_create.c:333
#8  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fe59e2e8700 (LWP 1559)):
#0  0x00007fe5cd38370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5c896238c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe5980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe59e2e7d00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x34d7100) at thread/qthread_unix.cpp:368
#7  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe59e2e8700) at pthread_create.c:333
#8  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fe5a7fff700 (LWP 1556)):
#0  0x00007fe5cd38370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5c896238c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe5a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe5a7ffec90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe5d0796256 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x2c4c830) at thread/qthread_unix.cpp:368
#8  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe5a7fff700) at pthread_create.c:333
#9  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fe5b6522700 (LWP 1555)):
#0  0x00007fe5c896236a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe5a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe5b6521ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#4  0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#5  0x00007fe5ce7870c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x280d140) at thread/qthread_unix.cpp:368
#7  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe5b6522700) at pthread_create.c:333
#8  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe5b7733700 (LWP 1554)):
#0  0x00007fff55f81937 in ?? ()
#1  0x00007fff55f81bd6 in clock_gettime ()
#2  0x00007fe5cd39d836 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7fe5b7732a30) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007fe5cdfb4251 in qt_clock_gettime (ts=0x7fe5b7732a30, clock=<optimized out>) at kernel/qelapsedtimer_unix.cpp:111
#4  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#5  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#6  0x00007fe5cdfb2a49 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fe5b0002ed0) at kernel/qtimerinfo_unix.cpp:91
#7  0x00007fe5cdfb2fb5 in QTimerInfoList::timerWait (this=0x7fe5b0002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#8  0x00007fe5cdfb46be in timerSourcePrepareHelper (timeout=0x7fe5b7732b04, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:132
#9  timerSourcePrepare (source=<optimized out>, timeout=0x7fe5b7732b04) at kernel/qeventdispatcher_glib.cpp:165
#10 0x00007fe5c896191d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fe5c89622bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fe5cdfb494b in QEventDispatcherGlib::processEvents (this=0x7fe5b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#14 0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fe5b7732cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#15 0x00007fe5cdd86cd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#16 0x00007fe5d12a1b75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#17 0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x7fe5d1317da0) at thread/qthread_unix.cpp:368
#18 0x00007fe5ca7ea6ba in start_thread (arg=0x7fe5b7733700) at pthread_create.c:333
#19 0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe5bfe60700 (LWP 1553)):
#0  0x00007fe5cd38370d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5c86ffc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe5c87018d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe5c23b8329 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe5cdd8b989 in QThreadPrivate::start (arg=0x278db60) at thread/qthread_unix.cpp:368
#5  0x00007fe5ca7ea6ba in start_thread (arg=0x7fe5bfe60700) at pthread_create.c:333
#6  0x00007fe5cd38f3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe5d11598c0 (LWP 1551)):
[KCrash Handler]
#6  0x00007fe5d0443f7b in OdrsReviewsBackend::parseReviews (this=this@entry=0x2c9cf60, document=..., resource=resource@entry=0x0) at /workspace/build/libdiscover/appstream/OdrsReviewsBackend.cpp:326
#7  0x00007fe5d0449dd8 in OdrsReviewsBackend::reviewsFetched (this=0x2c9cf60, reply=<optimized out>) at /workspace/build/libdiscover/appstream/OdrsReviewsBackend.cpp:181
#8  0x00007fe5cdf8bf46 in QtPrivate::QSlotObjectBase::call (a=0x7fff55ec5830, r=0x2c9cf60, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#9  QMetaObject::activate (sender=sender@entry=0x5b898b0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff55ec5830) at kernel/qobject.cpp:3749
#10 0x00007fe5cdf8c527 in QMetaObject::activate (sender=sender@entry=0x5b898b0, m=m@entry=0x7fe5cc55d360 <QNetworkAccessManager::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff55ec5830) at kernel/qobject.cpp:3628
#11 0x00007fe5cc42bc22 in QNetworkAccessManager::finished (this=this@entry=0x5b898b0, _t1=0x6ae1440) at .moc/moc_qnetworkaccessmanager.cpp:388
#12 0x00007fe5cc42c7e4 in QNetworkAccessManagerPrivate::_q_replyFinished (this=0x6b9f500) at access/qnetworkaccessmanager.cpp:1523
#13 0x00007fe5cc42fe91 in QNetworkAccessManager::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qnetworkaccessmanager.cpp:192
#14 0x00007fe5cdf8bc19 in QMetaObject::activate (sender=sender@entry=0x6ae1440, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3766
#15 0x00007fe5cdf8c527 in QMetaObject::activate (sender=sender@entry=0x6ae1440, m=m@entry=0x7fe5cc55fec0 <QNetworkReply::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3628
#16 0x00007fe5cc509263 in QNetworkReply::finished (this=this@entry=0x6ae1440) at .moc/moc_qnetworkreply.cpp:381
#17 0x00007fe5cc450b77 in QNetworkReplyHttpImplPrivate::finished (this=0x6ae1870) at access/qnetworkreplyhttpimpl.cpp:2168
#18 0x00007fe5cc450d85 in QNetworkReplyHttpImplPrivate::replyFinished (this=<optimized out>) at access/qnetworkreplyhttpimpl.cpp:1095
#19 0x00007fe5cc50a0a9 in QNetworkReplyHttpImpl::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qnetworkreplyhttpimpl_p.cpp:260
#20 0x00007fe5cdf8cc59 in QObject::event (this=0x6ae1440, e=<optimized out>) at kernel/qobject.cpp:1246
#21 0x00007fe5cef563fc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x6ae1440, e=0x7fe580019730) at kernel/qapplication.cpp:3717
#22 0x00007fe5cef5de07 in QApplication::notify (this=0x7fff55ec60f0, receiver=0x6ae1440, e=0x7fe580019730) at kernel/qapplication.cpp:3476
#23 0x00007fe5cdf5f798 in QCoreApplication::notifyInternal2 (receiver=0x6ae1440, event=event@entry=0x7fe580019730) at kernel/qcoreapplication.cpp:1018
#24 0x00007fe5cdf61f7b in QCoreApplication::sendEvent (event=0x7fe580019730, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x2774150) at kernel/qcoreapplication.cpp:1678
#26 0x00007fe5cdf623e8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1532
#27 0x00007fe5cdfb5323 in postEventSourceDispatch (s=0x27c2110) at kernel/qeventdispatcher_glib.cpp:276
#28 0x00007fe5c8962197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fe5c89623f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fe5c896249c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fe5cdfb492f in QEventDispatcherGlib::processEvents (this=0x2782320, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#32 0x00007fe5cdf5d7ca in QEventLoop::exec (this=this@entry=0x7fff55ec6010, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#33 0x00007fe5cdf66704 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#34 0x000000000040d55e in main (argc=1, argv=<optimized out>) at /workspace/build/discover/main.cpp:151

Reported using DrKonqi