Application: systemsettings (1.0)
KDE Platform Version: 4.9.5
Qt Version: 4.8.4
Operating System: Linux 3.8.1-201.fc18.x86_64 x86_64
Distribution: "Fedora release 18 (Spherical Cow)"

-- Information about the crash:
I was in the file associations section. I selected a file type, saw the list of programs that can open it. I pressed "Add" and System Settings crashed

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#6  length (this=<optimized out>) at /usr/include/QtCore/qstring.h:697
#7  KSycocaDict::Private::hashKey (this=this@entry=0xb391a0, key=...) at /usr/src/debug/kdelibs-4.9.5/kdecore/sycoca/ksycocadict.cpp:228
#8  0x0000003c23bf95dd in offsetForKey (key=..., this=0xb391a0) at /usr/src/debug/kdelibs-4.9.5/kdecore/sycoca/ksycocadict.cpp:552
#9  KSycocaDict::Private::offsetForKey (this=0xb391a0, key=...) at /usr/src/debug/kdelibs-4.9.5/kdecore/sycoca/ksycocadict.cpp:540
#10 0x0000003c23bf9774 in KSycocaDict::find_string (this=0xb39650, key=...) at /usr/src/debug/kdelibs-4.9.5/kdecore/sycoca/ksycocadict.cpp:151
#11 0x0000003c23b7d74d in KServiceFactory::findServiceByDesktopPath (this=0xb3a690, _name=...) at /usr/src/debug/kdelibs-4.9.5/kdecore/services/kservicefactory.cpp:134
#12 0x0000003c23b75598 in KService::serviceByDesktopPath (_name=...) at /usr/src/debug/kdelibs-4.9.5/kdecore/services/kservice.cpp:617
#13 0x00007f266c14cbd4 in KServiceSelectDlg::service() () from /usr/lib64/kde4/kcm_filetypes.so
#14 0x00007f266c14603a in KServiceListWidget::addService() () from /usr/lib64/kde4/kcm_filetypes.so
#15 0x0000003fafd8ceef in QMetaObject::activate (sender=0xdc5280, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffa5d613f0) at kernel/qobject.cpp:3539
#16 0x0000003fb1c2f012 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#17 0x0000003fb1983c8e in QAbstractButtonPrivate::emitClicked (this=this@entry=0xdc5400) at widgets/qabstractbutton.cpp:548
#18 0x0000003fb1984290 in QAbstractButtonPrivate::click (this=this@entry=0xdc5400) at widgets/qabstractbutton.cpp:541
#19 0x0000003fb19844fc in QAbstractButton::mouseReleaseEvent (this=0xdc5280, e=0x7fffa5d61c90) at widgets/qabstractbutton.cpp:1123
#20 0x0000003fb1619f49 in QWidget::event (this=0xdc5280, event=0x7fffa5d61c90) at kernel/qwidget.cpp:8375
#21 0x0000003fb15ca5cc in QApplicationPrivate::notify_helper (this=0x908ad0, receiver=0xdc5280, e=0x7fffa5d61c90) at kernel/qapplication.cpp:4562
#22 0x0000003fb15cf2ab in QApplication::notify (this=<optimized out>, receiver=0xdc5280, e=0x7fffa5d61c90) at kernel/qapplication.cpp:4105
#23 0x0000003c24e46916 in KApplication::notify (this=0x7fffa5d628f0, receiver=0xdc5280, event=0x7fffa5d61c90) at /usr/src/debug/kdelibs-4.9.5/kdeui/kernel/kapplication.cpp:311
#24 0x0000003fafd77abe in QCoreApplication::notifyInternal (this=0x7fffa5d628f0, receiver=0xdc5280, event=0x7fffa5d61c90) at kernel/qcoreapplication.cpp:946
#25 0x0000003fb15cb40b in QApplicationPrivate::sendMouseEvent (receiver=0xdc5280, event=0x7fffa5d61c90, alienWidget=0xdc5280, nativeWidget=0xa1ec60, buttonDown=0x3fb209e268 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#26 0x0000003fb1645b74 in QETWidget::translateMouseEvent (this=0xa1ec60, event=<optimized out>) at kernel/qapplication_x11.cpp:4537
#27 0x0000003fb1644901 in QApplication::x11ProcessEvent (this=0x7fffa5d628f0, event=0x7fffa5d62400) at kernel/qapplication_x11.cpp:3660
#28 0x0000003fb166aa5c in x11EventSourceDispatch (s=s@entry=0x8ff200, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#29 0x0000003d21c47a55 in g_main_dispatch (context=0x8fe000) at gmain.c:2715
#30 g_main_context_dispatch (context=context@entry=0x8fe000) at gmain.c:3219
#31 0x0000003d21c47d88 in g_main_context_iterate (context=context@entry=0x8fe000, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#32 0x0000003d21c47e44 in g_main_context_iteration (context=0x8fe000, may_block=1) at gmain.c:3351
#33 0x0000003fafda6106 in QEventDispatcherGlib::processEvents (this=0x8c6220, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#34 0x0000003fb166a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#35 0x0000003fafd7680f in QEventLoop::processEvents (this=this@entry=0x7fffa5d627d0, flags=...) at kernel/qeventloop.cpp:149
#36 0x0000003fafd76a98 in QEventLoop::exec (this=0x7fffa5d627d0, flags=...) at kernel/qeventloop.cpp:204
#37 0x0000003fafd7b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#38 0x000000000040aa3e in main ()

Possible duplicates by query: bug 297826.

Reported using DrKonqi