Version: 5.10.90 on KDE neon live unstable 20170813 iso  

Steps to reproduce:
1. Launch KInfocenter.
2. Select 'Energy Information' or 'File Indexer Monitor' category.
3. Close KInfocenter.

Actual result:
KInfocenter crashes.

Backtrace:
Application: Info Center (kinfocenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fec0db0e8c0 (LWP 4429))]

Thread 5 (Thread 0x7febe2cb6700 (LWP 4434)):
#0  0x00007ffd90d67b0b in clock_gettime ()
#1  0x00007fec0aadc836 in __GI___clock_gettime (clock_id=1, tp=0x7febe2cb5a40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fec0b3ea251 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fec0b3e8a49 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fec0b3e8fb5 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fec0b3ea6be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fec0608391d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fec060842bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fec0608449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fec0b3ea94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fec0b3937ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fec0b1bccd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fec09cbc0c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fec0b1c1989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fec07ab76ba in start_thread (arg=0x7febe2cb6700) at pthread_create.c:333
#15 0x00007fec0aace3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7febe49a8700 (LWP 4433)):
#0  0x00007ffd90d67b0b in clock_gettime ()
#1  0x00007fec0aadc836 in __GI___clock_gettime (clock_id=1, tp=0x7febe49a7a40) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fec0b3ea251 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fec0b3e8a49 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fec0b3e8fb5 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fec0b3ea6be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fec0608391d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fec060842bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fec0608449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fec0b3ea94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fec0b3937ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fec0b1bccd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fec09cbc0c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fec0b1c1989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fec07ab76ba in start_thread (arg=0x7febe49a8700) at pthread_create.c:333
#15 0x00007fec0aace3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7febee151700 (LWP 4432)):
#0  0x00007fec060c8a94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fec06083910 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec060842bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec0608449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fec0b3ea94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fec0b3937ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fec0b1bccd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fec09cbc0c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fec0b1c1989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fec07ab76ba in start_thread (arg=0x7febee151700) at pthread_create.c:333
#10 0x00007fec0aace3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7febfa378700 (LWP 4431)):
#0  0x00007fec060c8a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fec06084290 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fec0608449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fec0b3ea94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fec0b3937ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fec0b1bccd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fec0dc4eb75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fec0b1c1989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fec07ab76ba in start_thread (arg=0x7febfa378700) at pthread_create.c:333
#9  0x00007fec0aace3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fec0db0e8c0 (LWP 4429)):
[KCrash Handler]
#6  0x00007febfe8f7c60 in wl_proxy_create_wrapper () from /usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#7  0x00007febf170748d in ?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
#8  0x00007febf16f5dec in ?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
#9  0x00007febf1944f68 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libwayland-egl.so
#10 0x00007febf194354d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libwayland-egl.so
#11 0x00007fec0b7c1e69 in QOpenGLContext::makeCurrent(QSurface*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007fec0bd25247 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fec0bd2ec32 in QWidgetPrivate::deleteTLSysExtra() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fec0bd328d0 in QWidget::destroy(bool, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fec0bd3a250 in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fec0d3f9621 in KMainWindow::~KMainWindow() () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#17 0x000000000040e4dd in ?? ()
#18 0x000000000040e549 in ?? ()
#19 0x00007fec0b3c2c90 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fec0bd3ed33 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fec0be301cb in QMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fec0d3fb9f7 in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#23 0x00007fec0d4402e5 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#24 0x00007fec0bcfd3fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fec0bd04e07 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fec0b395798 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fec0b397f7b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007fec0b3eb323 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fec06084197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fec060843f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fec0608449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fec0b3ea92f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fec0b3937ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fec0b39c704 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x000000000040e009 in ?? ()
#36 0x00007fec0a9e7830 in __libc_start_main (main=0x40dfd0, argc=1, argv=0x7ffd90c4bfe8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd90c4bfd8) at ../csu/libc-start.c:291
#37 0x000000000040e079 in _start ()