Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-53-generic x86_64
Distribution: Ubuntu 16.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Hitting Ctrl+Shift+O on the keyboard.

- Custom settings of the application:
Activities panel widget configured to have keyboard shortcut Ctrl+Shift+O

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1c539f98c0 (LWP 19418))]

Thread 8 (Thread 0x7f1b8ab16700 (LWP 19429)):
#0  0x00007f1c4e101e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1c4ae9739c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c4ae974ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c4ea2ea9b in QEventDispatcherGlib::registeredTimers (this=<optimized out>, object=<optimized out>) at kernel/qeventdispatcher_glib.cpp:563
#4  0x00007f1c4e9d5dea in QEventLoop::event (this=<optimized out>, event=<optimized out>) at kernel/qeventloop.cpp:304
#5  0x1b5f06309cebf000 in ?? ()
#6  0x00007f1b84004830 in ?? ()
#7  0x00007f1b8ab15cc0 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f1b9eb0b700 (LWP 19427)):
#0  0x00007f1c4e0fd9cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1c4aeda740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c4ae96e84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c4ae97340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1c4ae974ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1c4ea2ea9b in QEventDispatcherGlib::registeredTimers (this=<optimized out>, object=<optimized out>) at kernel/qeventdispatcher_glib.cpp:563
#6  0x00007f1c4e9d5dea in QEventLoop::event (this=<optimized out>, event=<optimized out>) at kernel/qeventloop.cpp:304
#7  0x1b5f06309cebf000 in ?? ()
#8  0x00007f1b98003440 in ?? ()
#9  0x00007f1b9eb0ac90 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f1c2560c700 (LWP 19426)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f1c5343fbd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f1c5343fc19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f1c4d8e46fa in start_thread (arg=0x7f1c2560c700) at pthread_create.c:333
#4  0x00007f1c4e10db5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f1c26e50700 (LWP 19425)):
#0  0x00007f1c4aedbae4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1c4ae96920 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c4ae972cb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c4ae974ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1c4ea2ea9b in QEventDispatcherGlib::registeredTimers (this=<optimized out>, object=<optimized out>) at kernel/qeventdispatcher_glib.cpp:563
#5  0x00007f1c4e9d5dea in QEventLoop::event (this=<optimized out>, event=<optimized out>) at kernel/qeventloop.cpp:304
#6  0x1b5f06309cebf000 in ?? ()
#7  0x00007f1c20002f90 in ?? ()
#8  0x00007f1c26e4fce0 in ?? ()
#9  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f1c2cd26700 (LWP 19424)):
#0  0x00007f1c4e101e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1c4ae9739c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c4ae974ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c4ea2ea9b in QEventDispatcherGlib::registeredTimers (this=<optimized out>, object=<optimized out>) at kernel/qeventdispatcher_glib.cpp:563
#4  0x00007f1c4e9d5dea in QEventLoop::event (this=<optimized out>, event=<optimized out>) at kernel/qeventloop.cpp:304
#5  0x1b5f06309cebf000 in ?? ()
#6  0x00007f1c28002d90 in ?? ()
#7  0x00007f1c2cd25ce0 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1c37fff700 (LWP 19423)):
#0  0x00007f1c4e0fd9cd in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1c4aeda740 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c4ae96e84 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c4ae97340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1c4ae974ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1c4ea2ea9b in QEventDispatcherGlib::registeredTimers (this=<optimized out>, object=<optimized out>) at kernel/qeventdispatcher_glib.cpp:563
#6  0x00007f1c4e9d5dea in QEventLoop::event (this=<optimized out>, event=<optimized out>) at kernel/qeventloop.cpp:304
#7  0x1b5f06309cebf000 in ?? ()
#8  0x00007f1c30002f90 in ?? ()
#9  0x00007f1c37ffece0 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1c3ebbf700 (LWP 19421)):
#0  0x00007f1c4e101e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1c521c6c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f1c521c88d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1c40d0d629 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f1c4e7f784e in QByteArray::operator char const* (this=0x7f1c3ebbed60) at ../../include/QtCore/../../src/corelib/tools/qbytearray.h:474
#5  QThreadPrivate::start (arg=0xab3780) at thread/qthread_unix.cpp:322
#6  0x00007f1c4d8e46fa in start_thread (arg=0x7f1c3ebbf700) at pthread_create.c:333
#7  0x00007f1c4e10db5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1c539f98c0 (LWP 19418)):
[KCrash Handler]
#6  0x00007f1c50e6a0f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1c510dbada in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1c5110317c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f1c51103968 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f1c4ea07180 in QMetaObject::activate (sender=0x3681f90, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3679
#11 0x00007f1c4ea830fc in QAbstractItemModel::rowsRemoved (this=0x388e2d0, _t1=..., _t2=75401712, _t3=27) at .moc/moc_qabstractitemmodel.cpp:596
#12 0x00007f1b94f21f90 in __bss_start () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#13 0x0000000000000004 in ?? ()
#14 0x0000000003a32a40 in ?? ()
#15 0x0000000003681f90 in ?? ()
#16 0x1b5f06309cebf000 in ?? ()
#17 0x00007fff7e8cc0a0 in ?? ()
#18 0x00007fff7e8cc0c0 in ?? ()
#19 0x00007fff7e8cc0a0 in ?? ()
#20 0x00007f1b94cfaa77 in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#21 0x00007f1c4ea06fca in queued_activate (locker=<synthetic pointer>, argv=0x7fff7e8cc0c0, c=0x349b640, signal=3, sender=0x3a32a40) at kernel/qobject.cpp:3524
#22 QMetaObject::activate (sender=0x3a32a40, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3665
#23 0x00007f1b94d02a68 in TaskManager::AbstractGroupableItem::changed(QFlags<TaskManager::TaskChange>) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#24 0x00007f1b94cef4b0 in ?? () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#25 0x00007f1c4ea06fca in queued_activate (locker=<synthetic pointer>, argv=0x7fff7e8cc210, c=0x3a32ac0, signal=3, sender=0x33f1c30) at kernel/qobject.cpp:3524
#26 QMetaObject::activate (sender=0x33f1c30, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3665
#27 0x00007f1b94d02c58 in TaskManager::Task::changed(QFlags<TaskManager::TaskChange>) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#28 0x00007f1b94ce0d5b in TaskManager::Task::setActive(bool) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#29 0x00007f1b94cf53e9 in TaskManager::TaskManager::activeWindowChanged(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libtaskmanager.so.5
#30 0x00007f1c4ea06e4f in QMutexLocker::relock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:146
#31 QMetaObject::activate (sender=0x7f1c50dc0c00, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3682
#32 0x00007f1c50bb1682 in KWindowSystem::activeWindowChanged(unsigned long long) () from /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#33 0x00007f1c3c5c525b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#34 0x00007f1c4e9d4f9f in QList<QAbstractNativeEventFilter*>::dealloc (this=0x74, data=<error reading variable: Cannot access memory at address 0x74>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:836
#35 QList<QAbstractNativeEventFilter*>::~QList (this=0x74, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:796
#36 QAbstractEventDispatcherPrivate::~QAbstractEventDispatcherPrivate (this=0x4, __in_chrg=<optimized out>) at kernel/qabstracteventdispatcher_p.h:55
#37 0x00007f1c38008700 in ?? ()
#38 0x0000000000aa7940 in ?? ()
#39 0x00007f1c38008700 in ?? ()
#40 0x0000000000000011 in ?? ()
#41 0x0000000000000080 in ?? ()
#42 0x0000000000ab3798 in ?? ()
#43 0x00007f1c40d0f0a4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#44 0x00007f1c40d0fe53 in QXcbConnection::processXcbEvents() () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#45 0x00007f1c4ea07ea1 in QVarLengthArray<QArgumentType, 10>::QVarLengthArray (asize=0, this=0xa9b6a0) at ../../include/QtCore/../../src/corelib/tools/qvarlengtharray.h:221
#46 QObjectPrivate::signalIndex (this=<optimized out>, signalName=0x7fff7e8cc650 " s", meta=0x401) at kernel/qobject.cpp:3780
#47 0x00007f1c4f4db05c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007f1c4f4e0516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x0000000000ada1b0 in ?? ()
#50 0x00007fff7e8cc948 in ?? ()
#51 0x00007f1c4ec22788 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x0000000000000001 in ?? ()
#53 0x00000000380016f0 in ?? ()
#54 0x0000000000a8e450 in ?? ()
#55 0x0000000000ad67b0 in ?? ()
#56 0x00007f1c4ea2e660 in QList<GPollFDWithQSocketNotifier*>::detach_helper (alloc=<optimized out>, this=0xa9167c) at ../../include/QtCore/../../src/corelib/tools/qlist.h:764
#57 QList<GPollFDWithQSocketNotifier*>::detach_helper (this=0xa9167c) at ../../include/QtCore/../../src/corelib/tools/qlist.h:771
#58 QList<GPollFDWithQSocketNotifier*>::detach (this=0xa9167c) at ../../include/QtCore/../../src/corelib/tools/qlist.h:159
#59 QList<GPollFDWithQSocketNotifier*>::operator[] (i=2123155664, this=0xa9167c) at ../../include/QtCore/../../src/corelib/tools/qlist.h:519
#60 QEventDispatcherGlib::~QEventDispatcherGlib (this=0x7f1c4e9daa26 <QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+1382>, __in_chrg=<optimized out>) at kernel/qeventdispatcher_glib.cpp:377
#61 0x0000000000a8e450 in ?? ()
#62 0x0000000000ad67b0 in ?? ()
#63 0x00007f1c4ea2e660 in QList<GPollFDWithQSocketNotifier*>::detach_helper (alloc=<optimized out>, this=0x60) at ../../include/QtCore/../../src/corelib/tools/qlist.h:764
#64 QList<GPollFDWithQSocketNotifier*>::detach_helper (this=0x60) at ../../include/QtCore/../../src/corelib/tools/qlist.h:771
#65 QList<GPollFDWithQSocketNotifier*>::detach (this=0x60) at ../../include/QtCore/../../src/corelib/tools/qlist.h:159
#66 QList<GPollFDWithQSocketNotifier*>::operator[] (i=11364272, this=0x60) at ../../include/QtCore/../../src/corelib/tools/qlist.h:519
#67 QEventDispatcherGlib::~QEventDispatcherGlib (this=0x0, __in_chrg=<optimized out>) at kernel/qeventdispatcher_glib.cpp:377
#68 0x00007fff7e8cc968 in ?? ()
#69 0x00007fff7e8cc970 in ?? ()
#70 0x0000000000adb080 in ?? ()
#71 0x0000000000000000 in ?? ()

Reported using DrKonqi