[konsole] [Bug 403026] New: Konsole or zsh crashes when Ctrl+Shift+arrow_key is pressed

[mthw0]

https://bugs.kde.org/show_bug.cgi?id=403026

            Bug ID: 403026
           Summary: Konsole or zsh crashes when Ctrl+Shift+arrow_key is
                    pressed
           Product: konsole
           Version: 18.12.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: keyboard
          Assignee: konsole-devel at kde.org
          Reporter: jari_45 at hotmail.com
  Target Milestone: ---

STEPS TO REPRODUCE
1. Open Konsole
2. press Ctrl+Shift+'left arrow' or 'right arrow'
3. whole content of the window disappears
4. no keyboard key does anything and pressing Ctrl+Shift+'arrow key' again
crashes Konsole

Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.14.5
KDE Frameworks Version: 5.53
Qt Version: 5.12.0

ADDITIONAL INFORMATION
The following log is likely useless:

Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8a91e1a800 (LWP 23899))]

Thread 4 (Thread 0x7f8a83fff700 (LWP 23902)):
#0  0x00007f8a996bbafc in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f8a88978c24 in ?? () from /usr/lib/dri/i965_dri.so
#2  0x00007f8a88978948 in ?? () from /usr/lib/dri/i965_dri.so
#3  0x00007f8a996b5a9d in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f8a997cfb23 in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f8a8aa76700 (LWP 23901)):
#0  0x00007f8a997c07a4 in read () from /usr/lib/libc.so.6
#1  0x00007f8a961d3971 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f8a962240b0 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3  0x00007f8a962254e6 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f8a9622562e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5  0x00007f8a980535c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007f8a97ffc58c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7  0x00007f8a97e405c9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f8a975fbba6 in ?? () from /usr/lib/libQt5DBus.so.5
#9  0x00007f8a97e419cc in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f8a996b5a9d in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f8a997cfb23 in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8a90a03700 (LWP 23900)):
#0  0x00007f8a997c4c21 in poll () from /usr/lib/libc.so.6
#1  0x00007f8a96ecb630 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f8a96ecd2db in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f8a919cb96b in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f8a97e419cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f8a996b5a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f8a997cfb23 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f8a91e1a800 (LWP 23899)):
[KCrash Handler]
#6  0x00007f8a98b6bce0 in QStackedWidget::currentWidget() const () from
/usr/lib/libQt5Widgets.so.5
#7  0x00007f8a9963cc0a in ?? () from /usr/lib/libkonsoleprivate.so.18
#8  0x00007f8a980283e0 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#9  0x00007f8a989bd643 in QAction::triggered(bool) () from
/usr/lib/libQt5Widgets.so.5
#10 0x00007f8a989bfd2a in QAction::activate(QAction::ActionEvent) () from
/usr/lib/libQt5Widgets.so.5
#11 0x00007f8a989c0635 in QAction::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#12 0x00007f8a989c3e34 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#13 0x00007f8a989cb671 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#14 0x00007f8a97ffd8f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#15 0x00007f8a983fae90 in QShortcutMap::dispatchEvent(QKeyEvent*) () from
/usr/lib/libQt5Gui.so.5
#16 0x00007f8a983faf73 in QShortcutMap::tryShortcut(QKeyEvent*) () from
/usr/lib/libQt5Gui.so.5
#17 0x00007f8a983ae53c in QWindowSystemInterface::handleShortcutEvent(QWindow*,
unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int,
unsigned int, QString const&, bool, unsigned short) () from
/usr/lib/libQt5Gui.so.5
#18 0x00007f8a983cbdae in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
() from /usr/lib/libQt5Gui.so.5
#19 0x00007f8a983d0e06 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/libQt5Gui.so.5
#20 0x00007f8a983aa75c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt5Gui.so.5
#21 0x00007f8a919cc99c in ?? () from /usr/lib/libQt5XcbQpa.so.5
#22 0x00007f8a96223a2f in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#23 0x00007f8a962255e9 in ?? () from /usr/lib/libglib-2.0.so.0
#24 0x00007f8a9622562e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#25 0x00007f8a980535a9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#26 0x00007f8a97ffc58c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#27 0x00007f8a98004896 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#28 0x00007f8a998be927 in kdemain () from /usr/lib/libkdeinit5_konsole.so
#29 0x00007f8a996f8223 in __libc_start_main () from /usr/lib/libc.so.6
#30 0x00005597da0eb05e in _start ()
[Inferior 1 (process 23899) detached]

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