Application: konqueror (4.3.72 (KDE 4.3.72 (KDE 4.4 >= 20091015)))
KDE Version: 4.3.72 (KDE 4.3.72 (KDE 4.4 >= 20091015)) (Compiled from sources)
Qt Version: 4.6.0
Operating System: Linux 2.6.32-rc5-00632-g02d1113 x86_64
Distribution (Platform): Gentoo Packages

What I was doing when the application crashed:
Switching between two open tabs generated this crash report

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  DOM::DocumentImpl::view (this=0x0) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/khtml/xml/dom_docimpl.cpp:2907
#6  0x00007f711ac619fb in KJS::XMLHttpRequest::changeState (this=0x7f711bba0a80, newState=<value optimized out>)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/khtml/ecma/xmlhttprequest.cpp:345
#7  0x00007f711ac631b5 in KJS::XMLHttpRequest::slotFinished (this=0x7f711bba0a80) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/khtml/ecma/xmlhttprequest.cpp:720
#8  0x00007f711ac63f91 in KJS::XMLHttpRequestQObject::qt_metacall (this=0x7cd7320, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff59c15bf0)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/khtml/ecma/xmlhttprequest.cpp:93
#9  0x00007f712d4258d2 in QMetaObject::activate (sender=0x55d2370, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x6d57ce0) at kernel/qobject.cpp:3390
#10 0x00007f712ccef732 in KJob::result (this=0x0, _t1=0x55d2370) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999_build/kdecore/kjob.moc:194
#11 0x00007f712ccef9bf in KJob::emitResult (this=0x55d2370) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdecore/jobs/kjob.cpp:304
#12 0x00007f712c29e030 in KIO::SimpleJob::slotFinished (this=0x55d2370) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kio/kio/job.cpp:475
#13 0x00007f712c29e4e3 in KIO::TransferJob::slotFinished (this=0x55d2370) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kio/kio/job.cpp:975
#14 0x00007f712c299685 in KIO::TransferJob::qt_metacall (this=0x55d2370, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff59c15fe0)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999_build/kio/jobclasses.moc:367
#15 0x00007f712d4258d2 in QMetaObject::activate (sender=0x80ceb50, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x6d57ce0) at kernel/qobject.cpp:3390
#16 0x00007f712c359f51 in KIO::SlaveInterface::dispatch (this=0x80ceb50, _cmd=104, rawdata=<value optimized out>)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kio/kio/slaveinterface.cpp:175
#17 0x00007f712c3574c2 in KIO::SlaveInterface::dispatch (this=0x80ceb50) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kio/kio/slaveinterface.cpp:91
#18 0x00007f712c34b43e in KIO::Slave::gotInput (this=0x80ceb50) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kio/kio/slave.cpp:322
#19 0x00007f712c34b658 in KIO::Slave::qt_metacall (this=0x80ceb50, _c=QMetaObject::InvokeMetaMethod, _id=114654432, _a=0x7fff59c163f0)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999_build/kio/slave.moc:82
#20 0x00007f712d4258d2 in QMetaObject::activate (sender=0x5343800, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x6d57ce0) at kernel/qobject.cpp:3390
#21 0x00007f712c2699e1 in KIO::ConnectionPrivate::dequeue (this=0x83b9630) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kio/kio/connection.cpp:82
#22 0x00007f712c269e3a in KIO::Connection::qt_metacall (this=0x5343800, _c=QMetaObject::InvokeMetaMethod, _id=114654432, _a=0x872c9e0)
    at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999_build/kio/connection.moc:79
#23 0x00007f712d422178 in QObject::event (this=0x5343800, e=0x87ab5e0) at kernel/qobject.cpp:1238
#24 0x00007f712a79693d in QApplicationPrivate::notify_helper (this=0x1e85600, receiver=0x5343800, e=0x87ab5e0) at kernel/qapplication.cpp:4277
#25 0x00007f712a7a0bce in QApplication::notify (this=0x7fff59c170d0, receiver=0x5343800, e=0x87ab5e0) at kernel/qapplication.cpp:4166
#26 0x00007f712b81f9cb in KApplication::notify (this=0x7fff59c170d0, receiver=0x5343800, event=0x87ab5e0) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdeui/kernel/kapplication.cpp:302
#27 0x00007f712d411cdc in QCoreApplication::notifyInternal (this=0x7fff59c170d0, receiver=0x5343800, event=0x87ab5e0) at kernel/qcoreapplication.cpp:704
#28 0x00007f712d412c04 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1e33210) at kernel/qcoreapplication.h:215
#29 0x00007f712d43c8f3 in postEventSourceDispatch (s=<value optimized out>) at kernel/qcoreapplication.h:220
#30 0x00007f7129011e81 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#31 0x00007f71290155b8 in ?? () from /usr/lib/libglib-2.0.so.0
#32 0x00007f712901577c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#33 0x00007f712d43c44c in QEventDispatcherGlib::processEvents (this=0x1e85560, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#34 0x00007f712a82e01f in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#35 0x00007f712d4105b2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1505848720}) at kernel/qeventloop.cpp:149
#36 0x00007f712d410984 in QEventLoop::exec (this=0x7fff59c16dd0, flags={i = 1505848800}) at kernel/qeventloop.cpp:201
#37 0x00007f712d412e86 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#38 0x00007f71211a4589 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/konqueror-9999-r1/work/konqueror-9999/konqueror/src/konqmain.cpp:257
#39 0x00000000004078df in launch (argc=3, _name=0x1e70788 "konqueror", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1e707db "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a863 "0") at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kinit/kinit.cpp:705
#40 0x00000000004080b8 in handle_launcher_request (sock=7, who=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kinit/kinit.cpp:1197
#41 0x000000000040864e in handle_requests (waitForPid=0) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kinit/kinit.cpp:1390
#42 0x0000000000408d5b in main (argc=4, argv=0x7fff59c18868, envp=0x7fff59c18890) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kinit/kinit.cpp:1825

Reported using DrKonqi