Bug 394085

Application: plasma-discover (5.12.5)

Qt Version: 5.10.0
Frameworks Version: 5.45.0
Operating System: Linux 4.13.0-41-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed:
Clicked at the "Update" icon
Clicked Update
App is crashing every time i click Update button

The crash can be reproduced every time.

-- Backtrace:
Application: Центр приложений 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 0x7f1dbf3a08c0 (LWP 1718))]

Thread 9 (Thread 0x7f1d6ffff700 (LWP 1736)):
#0  0x00007f1dbb2ff2fd in timerSourcePrepare (source=<optimized out>, timeout=0x7f1d6fffeb34) at kernel/qeventdispatcher_glib.cpp:166
#1  0x00007f1db531e91d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531f2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=0x7f1d680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7f1d6fffed00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f1dbb0c6554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#7  0x00007f1dbb0cb6eb in QThreadPrivate::start (arg=0x1ce9370) at thread/qthread_unix.cpp:376
#8  0x00007f1db74166ba in start_thread (arg=0x7f1d6ffff700) at pthread_create.c:333
#9  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f1d85bbe700 (LWP 1734)):
#0  0x00007f1db531e9d5 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1db531f2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=0x7f1d700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7f1d85bbdd00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f1dbb0c6554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007f1dbb0cb6eb in QThreadPrivate::start (arg=0x49d86d0) at thread/qthread_unix.cpp:376
#7  0x00007f1db74166ba in start_thread (arg=0x7f1d85bbe700) at pthread_create.c:333
#8  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f1d87c5e700 (LWP 1733)):
#0  0x00007f1dba6c374d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1db531f38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=0x7f1d7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7f1d87c5dd00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f1dbb0c6554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007f1dbb0cb6eb in QThreadPrivate::start (arg=0x2193490) at thread/qthread_unix.cpp:376
#7  0x00007f1db74166ba in start_thread (arg=0x7f1d87c5e700) at pthread_create.c:333
#8  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f1d8845f700 (LWP 1725)):
#0  0x00007f1db5363a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1db531e464 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531f346 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1db531f712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d89e379d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f1db5345bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1db74166ba in start_thread (arg=0x7f1d8845f700) at pthread_create.c:333
#7  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f1d88c60700 (LWP 1724)):
#0  0x00007f1dba6bf27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1db53626f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531ee74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1db531f330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1db531f4d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1db5345bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f1db74166ba in start_thread (arg=0x7f1d88c60700) at pthread_create.c:333
#8  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f1d92c21700 (LWP 1722)):
#0  0x00007f1dba6c374d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1db531f38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=0x7f1d8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7f1d92c20c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f1dbb0c6554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007f1dbe4c01c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1dbb0cb6eb in QThreadPrivate::start (arg=0x2034410) at thread/qthread_unix.cpp:376
#8  0x00007f1db74166ba in start_thread (arg=0x7f1d92c21700) at pthread_create.c:333
#9  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1da2315700 (LWP 1721)):
#0  0x00007f1db5363a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1db531f488 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=0x7f1d940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7f1da2314ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#4  0x00007f1dbb0c6554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#5  0x00007f1dbbca1a35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f1dbb0cb6eb in QThreadPrivate::start (arg=0x1c50840) at thread/qthread_unix.cpp:376
#7  0x00007f1db74166ba in start_thread (arg=0x7f1da2315700) at pthread_create.c:333
#8  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1da3526700 (LWP 1720)):
#0  0x00007f1dba6c374d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1db531f38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=0x7f1d9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7f1da3525cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f1dbb0c6554 in QThread::exec (this=this@entry=0x7f1dbd23bd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:522
#6  0x00007f1dbcfc72c5 in QDBusConnectionManager::run (this=0x7f1dbd23bd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#7  0x00007f1dbb0cb6eb in QThreadPrivate::start (arg=0x7f1dbd23bd60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:376
#8  0x00007f1db74166ba in start_thread (arg=0x7f1da3526700) at pthread_create.c:333
#9  0x00007f1dba6cf41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1dbf3a08c0 (LWP 1718)):
[KCrash Handler]
#6  0x00007f1d8a32d0b9 in AppStream::Component::name() const () from /usr/lib/x86_64-linux-gnu/libAppStreamQt.so.2
#7  0x00007f1d8a7b304b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#8  0x00007f1dbe14bcd1 in UpdateItem::name() const () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#9  0x00007f1dbe14c0f6 in ?? () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#10 0x00007f1dbe14d380 in UpdateModel::setResources(QList<AbstractResource*> const&) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#11 0x00007f1dbe14d6a4 in UpdateModel::activityChanged() () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#12 0x00007f1dbb2d57b6 in QtPrivate::QSlotObjectBase::call (a=0x7ffc4a9797c0, r=0x208c280, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
#13 QMetaObject::activate (sender=0x1ccbd20, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3749
#14 0x00007f1dbe170f4f in ResourcesModel::fetchingChanged(bool) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#15 0x00007f1dbb2d57b6 in QtPrivate::QSlotObjectBase::call (a=0x7ffc4a979910, r=0x1ccbd20, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
#16 QMetaObject::activate (sender=0x21633a0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3749
#17 0x00007f1dbe170962 in AbstractBackendUpdater::progressingChanged(bool) () from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#18 0x00007f1d8a7a1d59 in PackageKitBackend::getUpdatesFinished(PackageKit::Transaction::Exit, unsigned int) () from /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/packagekit-backend.so
#19 0x00007f1dbb2d57b6 in QtPrivate::QSlotObjectBase::call (a=0x7ffc4a979b20, r=0x2166120, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:378
#20 QMetaObject::activate (sender=0x4991d70, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3749
#21 0x00007f1d8a5675ff in PackageKit::Transaction::finished(PackageKit::Transaction::Exit, unsigned int) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#22 0x00007f1d8a56c89d in PackageKit::TransactionPrivate::finished(unsigned int, unsigned int) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#23 0x00007f1d8a569c25 in ?? () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#24 0x00007f1dbb2d5489 in QMetaObject::activate (sender=0x65dee30, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3766
#25 0x00007f1d8a5761df in OrgFreedesktopPackageKitTransactionInterface::Finished(unsigned int, unsigned int) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#26 0x00007f1d8a576aec in ?? () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#27 0x00007f1d8a578dc8 in OrgFreedesktopPackageKitTransactionInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libpackagekitqt5.so.0
#28 0x00007f1dbcfd3633 in QDBusConnectionPrivate::deliverCall (this=<optimized out>, object=<optimized out>, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:998
#29 0x00007f1dbb2d64c9 in QObject::event (this=0x65dee30, e=<optimized out>) at kernel/qobject.cpp:1246
#30 0x00007f1dbc8adacc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x65dee30, e=0x7f1d9c082c20) at kernel/qapplication.cpp:3732
#31 0x00007f1dbc8b5417 in QApplication::notify (this=0x7ffc4a97a770, receiver=0x65dee30, e=0x7f1d9c082c20) at kernel/qapplication.cpp:3491
#32 0x00007f1dbb2a83c8 in QCoreApplication::notifyInternal2 (receiver=0x65dee30, event=event@entry=0x7f1d9c082c20) at kernel/qcoreapplication.cpp:1044
#33 0x00007f1dbb2aafcb in QCoreApplication::sendEvent (event=0x7f1d9c082c20, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1b2e970) at kernel/qcoreapplication.cpp:1719
#35 0x00007f1dbb2ab438 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1573
#36 0x00007f1dbb2fffa3 in postEventSourceDispatch (s=0x1befe30) at kernel/qeventdispatcher_glib.cpp:276
#37 0x00007f1db531f197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f1db531f3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f1db531f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f1dbb2ff5cb in QEventDispatcherGlib::processEvents (this=this@entry=0x1bafe40, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#41 0x00007f1daeb0b1a1 in QPAEventDispatcherGlib::processEvents (this=0x1bafe40, flags=...) at qeventdispatcher_glib.cpp:69
#42 0x00007f1dbb2a664a in QEventLoop::exec (this=this@entry=0x7ffc4a97a690, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#43 0x00007f1dbb2af854 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1332
#44 0x0000000000411f0f in ?? ()
#45 0x00007f1dba5e8830 in __libc_start_main (main=0x4114d0, argc=3, argv=0x7ffc4a97a938, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc4a97a928) at ../csu/libc-start.c:291
#46 0x00000000004120a9 in _start ()

Reported using DrKonqi