Application: kcmshell5 (5.12.5)

Qt Version: 5.9.6
Frameworks Version: 5.46.0
Operating System: Linux 4.14.54-gentoo x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:

Browsing through the fonts

- Custom settings of the application:

I had opened the font management directly using krunner

-- Backtrace:
Application: Module voor systeeminstellingen (kcmshell5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2e8b740840 (LWP 32234))]

Thread 3 (Thread 0x7f2e6e31a700 (LWP 32237)):
#0  0x00007f2e8b0988d9 in read () from /lib64/libc.so.6
#1  0x00007f2e82e3bba0 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f2e82df726e in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f2e82df7744 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f2e82df78bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f2e8860f9db in QEventDispatcherGlib::processEvents (this=0x7f2e68000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f2e885bd0ba in QEventLoop::exec (this=this@entry=0x7f2e6e319d30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007f2e88415afa in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#8  0x00007f2e88a23ce5 in ?? () from /usr/lib64/libQt5DBus.so.5
#9  0x00007f2e88419fe5 in QThreadPrivate::start (arg=0x7f2e88c96d60) at thread/qthread_unix.cpp:368
#10 0x00007f2e8500492a in start_thread () from /lib64/libpthread.so.0
#11 0x00007f2e8b0a8a3f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f2e773f3700 (LWP 32236)):
#0  0x00007f2e8b09d104 in poll () from /lib64/libc.so.6
#1  0x00007f2e85776860 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f2e85778419 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f2e7954c1b9 in QXcbEventReader::run (this=0x557b1f44e2a0) at qxcbconnection.cpp:1330
#4  0x00007f2e88419fe5 in QThreadPrivate::start (arg=0x557b1f44e2a0) at thread/qthread_unix.cpp:368
#5  0x00007f2e8500492a in start_thread () from /lib64/libpthread.so.0
#6  0x00007f2e8b0a8a3f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f2e8b740840 (LWP 32234)):
[KCrash Handler]
#6  convertRGBToARGB_helper<LcdFilterDummy> (bgr=<error reading variable: Cannot access memory at address 0xf4>, src_pitch=28, height=8, width=<optimized out>, dst=0x557b202b2c90, src=0x0) at freetype/qfontengine_ft.cpp:601
#7  convertRGBToARGB (legacyFilter=false, bgr=<error reading variable: Cannot access memory at address 0xf4>, src_pitch=28, height=<optimized out>, width=<optimized out>, dst=0x557b202b2c90, src=0x0) at freetype/qfontengine_ft.cpp:611
#8  QFontEngineFT::loadGlyph (this=this@entry=0x557b202aea10, set=set@entry=0x557b202bab10, glyph=glyph@entry=90, subPixelPosition=..., subPixelPosition@entry=..., format=<optimized out>, format@entry=QFontEngine::Format_A32, fetchMetricsOnly=fetchMetricsOnly@entry=false, disableOutlineDrawing=false) at freetype/qfontengine_ft.cpp:1191
#9  0x00007f2e795ba725 in QFontEngineFT::loadGlyphFor (this=this@entry=0x557b202aea10, g=g@entry=90, subPixelPosition=subPixelPosition@entry=..., format=format@entry=QFontEngine::Format_A32, t=..., fetchBoundingBox=fetchBoundingBox@entry=false, disableOutlineDrawing=false) at freetype/qfontengine_ft.cpp:2074
#10 0x00007f2e795bc32e in QFontEngineFT::lockedAlphaMapForGlyph (this=0x557b202aea10, glyphIndex=90, subPixelPosition=..., neededFormat=QFontEngine::Format_A32, t=..., offset=0x7ffdac8a9fd0) at freetype/qfontengine_ft.cpp:2016
#11 0x00007f2e88f703e6 in QRasterPaintEngine::drawCachedGlyphs (this=0x557b1f84b8e0, numGlyphs=<optimized out>, glyphs=<optimized out>, positions=<optimized out>, fontEngine=0x557b202aea10) at painting/qpaintengine_raster.cpp:2803
#12 0x00007f2e88f73d7c in QRasterPaintEngine::drawTextItem (this=0x557b1f84b8e0, p=..., textItem=...) at painting/qpaintengine_raster.cpp:3080
#13 0x00007f2e88f8d01e in QPainterPrivate::drawTextItem (this=<optimized out>, p=..., _ti=..., textEngine=0x557b1fa49790) at painting/qpainter.cpp:6513
#14 0x00007f2e88e61acf in QTextLine::draw (this=this@entry=0x7ffdac8ab7f0, p=p@entry=0x7ffdac8abde8, pos=..., selection=selection@entry=0x0) at text/qtextlayout.cpp:2614
#15 0x00007f2e88e627f5 in QTextLayout::draw (this=this@entry=0x557b1f965978, p=p@entry=0x7ffdac8abde8, pos=..., selections=..., clip=...) at text/qtextlayout.cpp:1257
#16 0x00007f2e895ed30e in QWidgetLineControl::draw (this=0x557b1f9658a0, painter=painter@entry=0x7ffdac8abde8, offset=..., clip=..., flags=flags@entry=1) at widgets/qwidgetlinecontrol.cpp:653
#17 0x00007f2e895e3505 in QLineEdit::paintEvent (this=0x557b1f8d3990) at widgets/qlineedit.cpp:2004
#18 0x00007f2e894deff8 in QWidget::event (this=this@entry=0x557b1f8d3990, event=event@entry=0x7ffdac8ac220) at kernel/qwidget.cpp:9280
#19 0x00007f2e895e7e12 in QLineEdit::event (this=0x557b1f8d3990, e=0x7ffdac8ac220) at widgets/qlineedit.cpp:1462
#20 0x00007f2e894a079c in QApplicationPrivate::notify_helper (this=this@entry=0x557b1f434d80, receiver=receiver@entry=0x557b1f8d3990, e=e@entry=0x7ffdac8ac220) at kernel/qapplication.cpp:3722
#21 0x00007f2e894a8034 in QApplication::notify (this=0x7ffdac8ae3c0, receiver=0x557b1f8d3990, e=0x7ffdac8ac220) at kernel/qapplication.cpp:3481
#22 0x00007f2e885be347 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x557b1f8d3990, event=event@entry=0x7ffdac8ac220) at kernel/qcoreapplication.cpp:1024
#23 0x00007f2e894d812a in QCoreApplication::sendSpontaneousEvent (event=0x7ffdac8ac220, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#24 QWidgetPrivate::sendPaintEvent (this=this@entry=0x557b1fd088e0, toBePainted=...) at kernel/qwidget.cpp:5715
#25 0x00007f2e894d86ea in QWidgetPrivate::drawWidget (this=this@entry=0x557b1fd088e0, pdev=pdev@entry=0x557b1faf3ee0, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=<optimized out>) at kernel/qwidget.cpp:5655
#26 0x00007f2e894d9350 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x557b1fa1f560, pdev=pdev@entry=0x557b1faf3ee0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x557b1fabdcc0) at kernel/qwidget.cpp:5850
#27 0x00007f2e894d82f6 in QWidgetPrivate::drawWidget (this=this@entry=0x557b1fa1f560, pdev=pdev@entry=0x557b1faf3ee0, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=<optimized out>) at kernel/qwidget.cpp:5706
#28 0x00007f2e894d9350 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x557b1f53e6d0, pdev=pdev@entry=0x557b1faf3ee0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x557b1fabdcc0) at kernel/qwidget.cpp:5850
#29 0x00007f2e894d94d9 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x557b1f53e6d0, pdev=pdev@entry=0x557b1faf3ee0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x557b1fabdcc0) at kernel/qwidget.cpp:5836
#30 0x00007f2e894d94d9 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x557b1f53e6d0, pdev=pdev@entry=0x557b1faf3ee0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x557b1fabdcc0) at kernel/qwidget.cpp:5836
#31 0x00007f2e894d82f6 in QWidgetPrivate::drawWidget (this=this@entry=0x557b1f53e6d0, pdev=0x557b1faf3ee0, rgn=..., offset=..., flags=flags@entry=5, sharedPainter=sharedPainter@entry=0x0, backingStore=<optimized out>) at kernel/qwidget.cpp:5706
#32 0x00007f2e894afd24 in QWidgetBackingStore::doSync (this=this@entry=0x557b1fabdcc0) at kernel/qwidgetbackingstore.cpp:1381
#33 0x00007f2e894aff65 in QWidgetBackingStore::sync (this=0x557b1fabdcc0) at kernel/qwidgetbackingstore.cpp:1162
#34 0x00007f2e894c755f in QWidgetPrivate::syncBackingStore (this=0x557b1f53e6d0) at kernel/qwidget.cpp:1973
#35 0x00007f2e894df168 in QWidget::event (this=0x7ffdac8ad450, event=0x557b1f818070) at kernel/qwidget.cpp:9219
#36 0x00007f2e894a079c in QApplicationPrivate::notify_helper (this=this@entry=0x557b1f434d80, receiver=receiver@entry=0x7ffdac8ad450, e=e@entry=0x557b1f818070) at kernel/qapplication.cpp:3722
#37 0x00007f2e894a8034 in QApplication::notify (this=0x7ffdac8ae3c0, receiver=0x7ffdac8ad450, e=0x557b1f818070) at kernel/qapplication.cpp:3481
#38 0x00007f2e885be347 in QCoreApplication::notifyInternal2 (receiver=0x7ffdac8ad450, event=event@entry=0x557b1f818070) at kernel/qcoreapplication.cpp:1024
#39 0x00007f2e885c0abd in QCoreApplication::sendEvent (event=0x557b1f818070, receiver=<optimized out>) at kernel/qcoreapplication.h:233
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x557b1f42b5d0) at kernel/qcoreapplication.cpp:1699
#41 0x00007f2e885c0ff8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1553
#42 0x00007f2e8860fbd3 in postEventSourceDispatch (s=0x557b1f47c7a0) at kernel/qeventdispatcher_glib.cpp:276
#43 0x00007f2e82df75a7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#44 0x00007f2e82df7810 in ?? () from /usr/lib64/libglib-2.0.so.0
#45 0x00007f2e82df78bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#46 0x00007f2e8860f9bf in QEventDispatcherGlib::processEvents (this=0x557b1f492b40, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#47 0x00007f2e885bd0ba in QEventLoop::exec (this=this@entry=0x7ffdac8ad3e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#48 0x00007f2e8968b247 in QDialog::exec (this=this@entry=0x7ffdac8ad450) at dialogs/qdialog.cpp:545
#49 0x00007f2e896b7e13 in QFontDialogPrivate::getFont (ok=0x7ffdac8ad4f7, initial=..., parent=<optimized out>, title=..., options=...) at dialogs/qfontdialog.cpp:406
#50 0x00007f2e896b7ebd in QFontDialog::getFont (ok=<optimized out>, initial=..., parent=<optimized out>, title=..., options=...) at dialogs/qfontdialog.cpp:368
#51 0x00007f2e89ef5cf4 in ?? () from /usr/lib64/libKF5WidgetsAddons.so.5
#52 0x00007f2e885e70a7 in QtPrivate::QSlotObjectBase::call (a=0x7ffdac8ad640, r=0x557b1f7de540, this=0x557b1f4cf990) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#53 QMetaObject::activate (sender=sender@entry=0x557b1ffff5d0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffdac8ad640) at kernel/qobject.cpp:3750
#54 0x00007f2e885e7607 in QMetaObject::activate (sender=sender@entry=0x557b1ffff5d0, m=m@entry=0x7f2e89b6a780 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffdac8ad640) at kernel/qobject.cpp:3629
#55 0x00007f2e89592192 in QAbstractButton::clicked (this=this@entry=0x557b1ffff5d0, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#56 0x00007f2e8959239a in QAbstractButtonPrivate::emitClicked (this=0x557b1f565e20) at widgets/qabstractbutton.cpp:414
#57 0x00007f2e8959377a in QAbstractButtonPrivate::click (this=0x557b1f565e20) at widgets/qabstractbutton.cpp:407
#58 0x00007f2e8959396d in QAbstractButton::mouseReleaseEvent (this=0x557b1ffff5d0, e=0x7ffdac8adae0) at widgets/qabstractbutton.cpp:1011
#59 0x00007f2e894deff8 in QWidget::event (this=0x557b1ffff5d0, event=0x7ffdac8adae0) at kernel/qwidget.cpp:9280
#60 0x00007f2e894a079c in QApplicationPrivate::notify_helper (this=this@entry=0x557b1f434d80, receiver=receiver@entry=0x557b1ffff5d0, e=e@entry=0x7ffdac8adae0) at kernel/qapplication.cpp:3722
#61 0x00007f2e894a858f in QApplication::notify (this=<optimized out>, receiver=0x557b1ffff5d0, e=0x7ffdac8adae0) at kernel/qapplication.cpp:3198
#62 0x00007f2e885be347 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x557b1ffff5d0, event=event@entry=0x7ffdac8adae0) at kernel/qcoreapplication.cpp:1024
#63 0x00007f2e894a7562 in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#64 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x557b1ffff5d0, event=event@entry=0x7ffdac8adae0, alienWidget=alienWidget@entry=0x557b1ffff5d0, nativeWidget=0x7f2e6800b0a0, buttonDown=buttonDown@entry=0x7f2e89b937d0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2704
#65 0x00007f2e894f9fcb in QWidgetWindow::handleMouseEvent (this=this@entry=0x557b1f9ffe00, event=event@entry=0x7ffdac8aded0) at kernel/qwidgetwindow.cpp:628
#66 0x00007f2e894fc5da in QWidgetWindow::event (this=0x557b1f9ffe00, event=0x7ffdac8aded0) at kernel/qwidgetwindow.cpp:250
#67 0x00007f2e894a079c in QApplicationPrivate::notify_helper (this=this@entry=0x557b1f434d80, receiver=receiver@entry=0x557b1f9ffe00, e=e@entry=0x7ffdac8aded0) at kernel/qapplication.cpp:3722
#68 0x00007f2e894a8034 in QApplication::notify (this=0x7ffdac8ae3c0, receiver=0x557b1f9ffe00, e=0x7ffdac8aded0) at kernel/qapplication.cpp:3481
#69 0x00007f2e885be347 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x557b1f9ffe00, event=event@entry=0x7ffdac8aded0) at kernel/qcoreapplication.cpp:1024
#70 0x00007f2e88d93f8b in QCoreApplication::sendSpontaneousEvent (event=0x7ffdac8aded0, receiver=0x557b1f9ffe00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#71 QGuiApplicationPrivate::processMouseEvent (e=0x557b1f5307d0) at kernel/qguiapplication.cpp:1952
#72 0x00007f2e88d95b95 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x557b1f5307d0) at kernel/qguiapplication.cpp:1733
#73 0x00007f2e88d6f52b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:946
#74 0x00007f2e795af280 in userEventSourceDispatch (source=<optimized out>) at qeventdispatcher_glib.cpp:77
#75 0x00007f2e82df75a7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#76 0x00007f2e82df7810 in ?? () from /usr/lib64/libglib-2.0.so.0
#77 0x00007f2e82df78bc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#78 0x00007f2e8860f9bf in QEventDispatcherGlib::processEvents (this=0x557b1f492b40, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#79 0x00007f2e885bd0ba in QEventLoop::exec (this=this@entry=0x7ffdac8ae280, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#80 0x00007f2e885c5844 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1297
#81 0x00007f2e8b377788 in kdemain () from /usr/lib64/libkdeinit5_kcmshell5.so
#82 0x00007f2e8afc80b1 in __libc_start_main () from /lib64/libc.so.6
#83 0x0000557b1e2337ea in _start ()

Reported using DrKonqi