Konqueror sometimes (but not always) crashes when submitting login form to our internal corporate website. The crash results in the following stacktrace:
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1233127216 (LWP 10698)]
[KCrash handler]
#6 0xb713c230 in QString::length (this=0x83de55c) at ../include/qstring.h:880
#7 0xb713c257 in QString::isEmpty (this=0x83de55c)
at ../include/qstring.h:886
#8 0xb72f6b4c in QLineEditPrivate::hasSelectedText (this=0x83de558)
at widgets/qlineedit.cpp:234
#9 0xb72ecfba in QLineEdit::selectedText (this=0x82b5b60)
at widgets/qlineedit.cpp:985
#10 0xb6c877e4 in KLineEdit::keyPressEvent (this=0x82b5b60, e=0x8371af0)
at /build/buildd/kdelibs-3.5.8/./kdeui/klineedit.cpp:814
#11 0xb5d6d316 in khtml::RenderWidget::EventPropagator::sendEvent (
this=0xb7545900, e=0x0)
at /build/buildd/kdelibs-3.5.8/./khtml/rendering/render_replaced.cpp:711
#12 0xb5db79c4 in khtml::RenderWidget::handleEvent (this=0x835322c,
ev=@0x8318b40)
at /build/buildd/kdelibs-3.5.8/./khtml/rendering/render_replaced.cpp:858
#13 0xb5d33c7b in DOM::HTMLGenericFormElementImpl::defaultEventHandler (
this=0x83b32b8, evt=0x8318b40)
at /build/buildd/kdelibs-3.5.8/./khtml/html/html_formimpl.cpp:984
#14 0xb5d5ea42 in DOM::HTMLInputElementImpl::defaultEventHandler (
this=0x83b32b8, evt=0x8318b40)
at /build/buildd/kdelibs-3.5.8/./khtml/html/html_formimpl.cpp:1811
#15 0xb5d0af5f in DOM::NodeImpl::dispatchGenericEvent (this=0x83b32b8,
evt=0x8318b40)
at /build/buildd/kdelibs-3.5.8/./khtml/xml/dom_nodeimpl.cpp:398
#16 0xb5d0b09f in DOM::NodeImpl::dispatchEvent (this=0x83b32b8,
evt=0x8318b40, exceptioncode=@0xbfed5b58, tempEvent=true)
at /build/buildd/kdelibs-3.5.8/./khtml/xml/dom_nodeimpl.cpp:342
#17 0xb5d1133e in DOM::NodeImpl::dispatchKeyEvent (this=0x83b32b8,
key=0xbfed6184, keypress=true)
at /build/buildd/kdelibs-3.5.8/./khtml/xml/dom_nodeimpl.cpp:578
#18 0xb5c9de41 in KHTMLView::dispatchKeyEventHelper (this=0x84a5320,
_ke=0xbfed6184, keypress=true)
at /build/buildd/kdelibs-3.5.8/./khtml/khtmlview.cpp:1416
#19 0xb5cabf4b in KHTMLView::dispatchKeyEvent (this=0x84a5320, _ke=0xbfed6184)
at /build/buildd/kdelibs-3.5.8/./khtml/khtmlview.cpp:1372
#20 0xb5cedc70 in KHTMLView::keyPressEvent (this=0x84a5320, _ke=0xbfed6184)
at /build/buildd/kdelibs-3.5.8/./khtml/khtmlview.cpp:1501
#21 0xb5cb3b1a in KHTMLView::eventFilter (this=0x84a5320, o=0x82b5b60,
e=0xbfed6184) at /build/buildd/kdelibs-3.5.8/./khtml/khtmlview.cpp:1963
#22 0xb7212e40 in QObject::activate_filters (this=0x82b5b60, e=0xbfed6184)
at kernel/qobject.cpp:903
#23 0xb7212ebe in QObject::event (this=0x82b5b60, e=0xbfed6184)
at kernel/qobject.cpp:735
#24 0xb724a5b3 in QWidget::event (this=0x82b5b60, e=0xbfed6184)
at kernel/qwidget.cpp:4678
#25 0xb72f4be7 in QLineEdit::event (this=0x82b5b60, e=0xbfed6184)
at widgets/qlineedit.cpp:1424
#26 0xb5d7528c in khtml::LineEditWidget::event (this=0x82b5b60, e=0xbfed6184)
at /build/buildd/kdelibs-3.5.8/./khtml/rendering/render_form.cpp:419
#27 0xb71aaaf0 in QApplication::internalNotify (this=0xbfed6b58,
receiver=0x82b5b60, e=0xbfed6184) at kernel/qapplication.cpp:2635
#28 0xb71acac0 in QApplication::notify (this=0xbfed6b58, receiver=0x82b5b60,
e=0xbfed6184) at kernel/qapplication.cpp:2392
#29 0xb78b2ca2 in KApplication::notify (this=0xbfed6b58, receiver=0x82b5b60,
event=0xbfed6184)
at /build/buildd/kdelibs-3.5.8/./kdecore/kapplication.cpp:550
#30 0xb713d27d in QApplication::sendSpontaneousEvent (receiver=0x82b5b60,
event=0xbfed6184) at kernel/qapplication.h:523
#31 0xb712dc69 in QETWidget::translateKeyEvent (this=0x82b5b60,
event=0xbfed6688, grab=false) at kernel/qapplication_x11.cpp:5639
#32 0xb713a04f in QApplication::x11ProcessEvent (this=0xbfed6b58,
event=0xbfed6688) at kernel/qapplication_x11.cpp:3496
#33 0xb71511a4 in QEventLoop::processEvents (this=0x80cecf8, flags=4)
at kernel/qeventloop_x11.cpp:192
#34 0xb71c51ce in QEventLoop::enterLoop (this=0x80cecf8)
at kernel/qeventloop.cpp:198
#35 0xb71c4fde in QEventLoop::exec (this=0x80cecf8)
at kernel/qeventloop.cpp:145
#36 0xb71ac699 in QApplication::exec (this=0xbfed6b58)
at kernel/qapplication.cpp:2758
#37 0xb665e594 in kdemain (argc=1, argv=0x8087a88)
at /build/buildd/kdebase-3.5.8/./konqueror/konq_main.cc:206
#38 0xb7f41454 in kdeinitmain (argc=1, argv=0x8087a88) at konqueror_dummy.cc:3
#39 0x0804e67f in launch (argc=1, _name=0x80a0bd4 "konqueror",
args=0x80a0bde "\001", cwd=0x0, envc=1, envs=0x80a0bee "",
reset_env=false, tty=0x0, avoid_loops=false,
startup_id_str=0x80a0bf3 "laptopola.altkom.pl;1199438508;27343;10035_TIME1142632335") at /build/buildd/kdelibs-3.5.8/./kinit/kinit.cpp:673
#40 0x0804ef0f in handle_launcher_request (sock=11)
at /build/buildd/kdelibs-3.5.8/./kinit/kinit.cpp:1240
#41 0x0804f2e8 in handle_requests (waitForPid=0)
at /build/buildd/kdelibs-3.5.8/./kinit/kinit.cpp:1443
#42 0x08050573 in main (argc=5, argv=0xbfed72e4, envp=0xbfed72fc)
at /build/buildd/kdelibs-3.5.8/./kinit/kinit.cpp:1908
#43 0xb7c9f050 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#44 0x0804bb71 in _start ()
BTW, I've observed that the crash occurs only when using "Enter" key to submit the form. When submitting through clicking on submit button it works ok.