[rkward] [Bug 420588] hard crash on "code preview"

[Eric]

https://bugs.kde.org/show_bug.cgi?id=420588

--- Comment #3 from Eric <majzoube at umsl.edu> ---
Yes, it is 100% reproducible. Thank you for letting me know what to do. Here is
the output from the backtrace...

Thread 9 (Thread 0x7fff933ec700 (LWP 5395)):
#0  0x00007ffff27391bd in syscall () at /lib64/libc.so.6
#1  0x00007ffff2c060c5 in QBasicMutex::lockInternal() () at
/lib64/libQt5Core.so.5
#2  0x000055555571a0a1 in QtScriptBackendThread::run() ()
#3  0x00007ffff2c05e26 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#4  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#5  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fff93ffd700 (LWP 5394)):
#0  0x00007ffff23f7d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007ffff7d8c74a in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2  0x00007ffff7d8c76f in  () at /lib64/libQt5Script.so.5
#3  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#4  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fffd93ff700 (LWP 5391)):
#0  0x00007ffff2733a3f in poll () at /lib64/libc.so.6
#1  0x00007ffff0d2586e in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007ffff0d259a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007ffff2e0a885 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007ffff2db423b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007ffff2c04cd5 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007ffff2c05e26 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#8  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fffdb35c700 (LWP 5390)):
#0  0x00007ffff23f7d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007ffff2a1d6a0 in
std::condition_variable::wait(std::unique_lock<std::mutex>&) () at
/lib64/libstdc++.so.6
#2  0x00007ffff70721f1 in bmalloc::AsyncTask<bmalloc::Heap, void
(bmalloc::Heap::*)()>::threadRunLoop() () at /lib64/libQt5WebKit.so.5
#3  0x00007ffff707232f in  () at /lib64/libQt5WebKit.so.5
#4  0x00007ffff2a233d4 in execute_native_thread_routine () at
/lib64/libstdc++.so.6
#5  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fffe4f4c700 (LWP 5381)):
#0  0x00007ffff2733a3f in poll () at /lib64/libc.so.6
#1  0x00007ffff0d2586e in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007ffff0d259a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007ffff2e0a885 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007ffff2db423b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007ffff2c04cd5 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x000055555572f93a in RKFrontendTransmitter::run() ()
#7  0x00007ffff2c05e26 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fffe574d700 (LWP 5380)):
#0  0x00007ffff23f7d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fffe65d719b in util_queue_thread_func () at
/usr/lib64/dri/i965_dri.so
#2  0x00007fffe65d6dab in impl_thrd_routine () at /usr/lib64/dri/i965_dri.so
#3  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#4  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fffec9f1700 (LWP 5379)):
#0  0x00007ffff2733a3f in poll () at /lib64/libc.so.6
#1  0x00007ffff0d2586e in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007ffff0d259a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007ffff2e0a885 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007ffff2db423b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007ffff2c04cd5 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007ffff35cff6a in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#7  0x00007ffff2c05e26 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fffed737700 (LWP 5378)):
#0  0x00007ffff2733a3f in poll () at /lib64/libc.so.6
#1  0x00007ffff028138a in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007ffff0282fea in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fffed931d48 in QXcbEventQueue::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007ffff2c05e26 in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007ffff23f14e2 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ffff273e6a3 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fffeda7e900 (LWP 5374)):
#0  0x00007ffff3a54ee4 in QTabWidget::indexOf(QWidget*) const () at
/lib64/libQt5Widgets.so.5
#1  0x000055555561f0c3 in RKWorkplaceView::showWindow(RKMDIWindow*) ()
#2  0x000055555561c15e in RKMDIWindow::activate(bool) ()
#3  0x000055555561d254 in RKMDIWindow::slotActivateForFocusFollowsMouse() ()
#4  0x00007ffff2ddf97b in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#5  0x00007ffff2dec2c3 in QSingleShotTimer::timerEvent(QTimerEvent*) () at
/lib64/libQt5Core.so.5
6  0x00007ffff2de0795 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#7  0x00007ffff387bab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#8  0x00007ffff3885150 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#9  0x00007ffff2db5448 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#10 0x00007ffff2e09b48 in QTimerInfoList::activateTimers() () at
/lib64/libQt5Core.so.5
#11 0x00007ffff2e0a3fc in timerSourceDispatch(_GSource*, int (*)(void*), void*)
() at /lib64/libQt5Core.so.5
#12 0x00007ffff0d25570 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#13 0x00007ffff0d25900 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#14 0x00007ffff0d259a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#15 0x00007ffff2e0a885 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#16 0x00007ffff2db423b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#17 0x00007ffff2dbc116 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#18 0x00005555555e0e17 in main ()

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