Bug 390304

Application: konqueror (4.14.25)
KDE Platform Version: 4.14.30
Qt Version: 4.8.7
Operating System: Linux 4.13.16-100.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
- Open IBN site (corporate resource https://ibn.rec-etu.com)
  - Open some task
  - Open task conversation tab
  - Add message
  - Try to write message in the pop-up window
  - Crash

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
84	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f343c841900 (LWP 6162))]

Thread 4 (Thread 0x7f33ce854700 (LWP 6175)):
#0  0x00007f3435ac6060 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#1  0x00007f3435ac627c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#2  0x00007f343b27c47e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f33c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#3  0x00007f343b24a7bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f33ce853c90, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f343b24ab25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f33ce853c90, flags=...) at kernel/qeventloop.cpp:204
#5  0x00007f343b139af9 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:538
#6  0x00007f3427cd5b60 in KIO::NameLookUpThread::run() () at /lib64/libkio.so.5
#7  0x00007f343b13c3ca in QThreadPrivate::start(void*) (arg=0x5611c9b96e40) at thread/qthread_unix.cpp:352
#8  0x00007f343ae9d73a in start_thread (arg=0x7f33ce854700) at pthread_create.c:333
#9  0x00007f34393afe7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f33cf455700 (LWP 6173)):
#0  0x00007f343aea3480 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f341a1ec729 in JSC::BlockAllocator::blockFreeingThreadMain() () at /lib64/libQtWebKit.so.4
#2  0x00007f341a4f120e in WTF::wtfThreadEntryPoint(void*) () at /lib64/libQtWebKit.so.4
#3  0x00007f343ae9d73a in start_thread (arg=0x7f33cf455700) at pthread_create.c:333
#4  0x00007f34393afe7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f341d063700 (LWP 6165)):
#0  0x00007f34393a3f3d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f3435ac6166 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f3435ac627c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f343b27c47e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f33d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007f343b24a7bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f341d062cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f343b24ab25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f341d062cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f343b139af9 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:538
#7  0x00007f343b13c3ca in QThreadPrivate::start(void*) (arg=0x5611c9113f60) at thread/qthread_unix.cpp:352
#8  0x00007f343ae9d73a in start_thread (arg=0x7f341d063700) at pthread_create.c:333
#9  0x00007f34393afe7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f343c841900 (LWP 6162)):
[KCrash Handler]
#6  0x00007f341fb0c8e3 in khtml::InsertNodeBeforeCommandImpl::doApply() () at /lib64/libkhtml.so.5
#7  0x00007f341fb0d46a in khtml::EditCommandImpl::apply() () at /lib64/libkhtml.so.5
#8  0x00007f341fb0fa3c in khtml::CompositeEditCommandImpl::applyCommandToComposite(WTF::PassRefPtr<khtml::EditCommandImpl>) () at /lib64/libkhtml.so.5
#9  0x00007f341fb0fbb3 in khtml::CompositeEditCommandImpl::insertNodeBefore(DOM::NodeImpl*, DOM::NodeImpl*) () at /lib64/libkhtml.so.5
#10 0x00007f341fb1642a in khtml::InputTextCommandImpl::prepareForTextInsertion(bool) () at /lib64/libkhtml.so.5
#11 0x00007f341fb1680b in khtml::InputTextCommandImpl::execute(DOM::DOMString const&) () at /lib64/libkhtml.so.5
#12 0x00007f341fb176bf in khtml::TypingCommandImpl::insertText(DOM::DOMString const&) () at /lib64/libkhtml.so.5
#13 0x00007f341fb17f1b in khtml::TypingCommandImpl::insertText0(DOM::DocumentImpl*, DOM::DOMString const&) () at /lib64/libkhtml.so.5
#14 0x00007f341fb0a9bf in DOM::Editor::handleKeyEvent(QKeyEvent*) () at /lib64/libkhtml.so.5
#15 0x00007f341f98023a in DOM::ElementImpl::defaultEventHandler(DOM::EventImpl*) () at /lib64/libkhtml.so.5
#16 0x00007f341f979a39 in DOM::NodeImpl::dispatchGenericEvent(DOM::EventImpl*, int&) () at /lib64/libkhtml.so.5
#17 0x00007f341f9790ff in DOM::NodeImpl::dispatchEvent(DOM::EventImpl*, int&, bool) () at /lib64/libkhtml.so.5
#18 0x00007f341f979e4b in DOM::NodeImpl::dispatchKeyEvent(QKeyEvent*, bool) () at /lib64/libkhtml.so.5
#19 0x00007f341f8c7fd7 in KHTMLView::dispatchKeyEvent(QKeyEvent*) () at /lib64/libkhtml.so.5
#20 0x00007f341f8cee5c in KHTMLView::keyPressEvent(QKeyEvent*) () at /lib64/libkhtml.so.5
#21 0x00007f341fa6afd4 in khtml::RenderWidget::handleEvent(DOM::EventImpl const&) () at /lib64/libkhtml.so.5
#22 0x00007f341f9db5b2 in DOM::HTMLFrameElementImpl::defaultEventHandler(DOM::EventImpl*) () at /lib64/libkhtml.so.5
#23 0x00007f341f979a39 in DOM::NodeImpl::dispatchGenericEvent(DOM::EventImpl*, int&) () at /lib64/libkhtml.so.5
#24 0x00007f341f9790ff in DOM::NodeImpl::dispatchEvent(DOM::EventImpl*, int&, bool) () at /lib64/libkhtml.so.5
#25 0x00007f341f979e4b in DOM::NodeImpl::dispatchKeyEvent(QKeyEvent*, bool) () at /lib64/libkhtml.so.5
#26 0x00007f341f8c7fd7 in KHTMLView::dispatchKeyEvent(QKeyEvent*) () at /lib64/libkhtml.so.5
#27 0x00007f341f8cee5c in KHTMLView::keyPressEvent(QKeyEvent*) () at /lib64/libkhtml.so.5
#28 0x00007f341f8d5404 in KHTMLView::eventFilter(QObject*, QEvent*) () at /lib64/libkhtml.so.5
#29 0x00007f343b24c071 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) (this=this@entry=0x5611c9023700, receiver=receiver@entry=0x5611cdf8caf0, event=event@entry=0x7ffdc96e6340) at kernel/qcoreapplication.cpp:1065
#30 0x00007f343a362eac in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x5611c9023700, receiver=receiver@entry=0x5611cdf8caf0, e=e@entry=0x7ffdc96e6340) at kernel/qapplication.cpp:4561
#31 0x00007f343a36b82f in QApplication::notify(QObject*, QEvent*) (this=<optimized out>, receiver=0x5611cdf8caf0, e=0x7ffdc96e6340) at kernel/qapplication.cpp:4006
#32 0x00007f343c2b2cba in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#33 0x00007f343b24beed in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffdc96e6e50, receiver=receiver@entry=0x5611cdf8caf0, event=event@entry=0x7ffdc96e6340) at kernel/qcoreapplication.cpp:955
#34 0x00007f343a361936 in QCoreApplication::sendSpontaneousEvent(QObject*, QEvent*) (event=event@entry=0x7ffdc96e6340, receiver=receiver@entry=0x5611cdf8caf0) at ../../src/corelib/kernel/qcoreapplication.h:234
#35 0x00007f343a361936 in qt_sendSpontaneousEvent(QObject*, QEvent*) (receiver=receiver@entry=0x5611cdf8caf0, event=event@entry=0x7ffdc96e6340) at kernel/qapplication.cpp:5563
#36 0x00007f343a408603 in QKeyMapper::sendKeyEvent(QWidget*, bool, QEvent::Type, int, QFlags<Qt::KeyboardModifier>, QString const&, bool, int, unsigned int, unsigned int, unsigned int, bool*) (keyWidget=keyWidget@entry=0x5611cdf8caf0, grab=grab@entry=false, type=QEvent::KeyPress, code=1042, modifiers=..., text=..., autorepeat=false, count=2, nativeScanCode=40, nativeVirtualKey=1783, nativeModifiers=8193) at kernel/qkeymapper_x11.cpp:1866
#37 0x00007f343a408b13 in QKeyMapperPrivate::translateKeyEvent(QWidget*, _XEvent const*, bool) (this=<optimized out>, keyWidget=0x5611cdf8caf0, event=0x7ffdc96e68b0, grab=<optimized out>) at kernel/qkeymapper_x11.cpp:1836
#38 0x00007f343a3e2748 in QApplication::x11ProcessEvent(_XEvent*) (this=0x7ffdc96e6e50, event=event@entry=0x7ffdc96e68b0) at kernel/qapplication_x11.cpp:3556
#39 0x00007f343a40b409 in x11EventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x5611c901db60, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#40 0x00007f3435ac5e52 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#41 0x00007f3435ac61d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#42 0x00007f3435ac627c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#43 0x00007f343b27c45e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5611c9019ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#44 0x00007f343a40b5a6 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#45 0x00007f343b24a7bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffdc96e6c90, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007f343b24ab25 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffdc96e6c90, flags=...) at kernel/qeventloop.cpp:204
#47 0x00007f343b250779 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1227
#48 0x00007f3428c6181f in kdemain () at /usr/lib64/libkdeinit4_konqueror.so
#49 0x00005611c748244a in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#50 0x00005611c7483196 in handle_launcher_request(int, char const*) [clone .isra.15] ()
#51 0x00005611c7483a27 in handle_requests(int) ()
#52 0x00005611c747f0df in main ()

Possible duplicates by query: bug 245013, bug 243852, bug 232116, bug 231140.

Reported using DrKonqi