Application: konsole (18.12.0)

Qt Version: 5.11.2
Frameworks Version: 5.53.0
Operating System: Linux 4.15.0-42-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
created new column in console by pressing ctrl+shift+(
pressed ctrl+shift+left arrow
again tried to create new column in console by pressing ctrl+shift+(
konsole crash

The crash can be reproduced every time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f41fbd57800 (LWP 4523))]

Thread 4 (Thread 0x7f41d1faf700 (LWP 4526)):
#0  0x00007f41f2c819f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563a7f9b4db8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x563a7f9b4d68, cond=0x563a7f9b4d90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x563a7f9b4d90, mutex=0x563a7f9b4d68) at pthread_cond_wait.c:655
#3  0x00007f41d725c46b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f41d725c197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f41f2c7b6db in start_thread (arg=0x7f41d1faf700) at pthread_create.c:463
#6  0x00007f41fb66788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f41de64b700 (LWP 4525)):
#0  0x00007f41f0f7b064 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f41f0f34a88 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f41f0f3546b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f41f0f3564c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f41f7b8104b in QEventDispatcherGlib::processEvents (this=0x7f41d8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f41f7b2530a in QEventLoop::exec (this=this@entry=0x7f41de64ad70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007f41f7950bba in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#7  0x00007f41f5383e45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f41f795badb in QThreadPrivate::start (arg=0x7f41f55fbd60) at thread/qthread_unix.cpp:367
#9  0x00007f41f2c7b6db in start_thread (arg=0x7f41de64b700) at pthread_create.c:463
#10 0x00007f41fb66788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f41e66aa700 (LWP 4524)):
#0  0x00007f41fb65abf9 in __GI___poll (fds=0x7f41e66a9ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f41f32aa747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f41f32ac36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f41e966aed9 in QXcbEventReader::run (this=0x563a7f922b70) at qxcbconnection.cpp:1391
#4  0x00007f41f795badb in QThreadPrivate::start (arg=0x563a7f922b70) at thread/qthread_unix.cpp:367
#5  0x00007f41f2c7b6db in start_thread (arg=0x7f41e66aa700) at pthread_create.c:463
#6  0x00007f41fb66788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f41fbd57800 (LWP 4523)):
[KCrash Handler]
#6  0x00007f41f8a760f4 in QTabWidget::count (this=0x563a7f90f520) at widgets/qtabwidget.cpp:1169
#7  0x00007f41fb2de3f7 in Konsole::ViewManager::splitView (this=0x563a7fa3c0b0, orientation=Qt::Horizontal) at ./src/ViewManager.cpp:443
#8  0x00007f41f7b5618f in QtPrivate::QSlotObjectBase::call (a=0x7ffd4f0d83f0, r=0x563a7fa3c0b0, this=0x563a7fa3cd80) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#9  QMetaObject::activate (sender=sender@entry=0x563a7fa3cdb0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd4f0d83f0) at kernel/qobject.cpp:3754
#10 0x00007f41f7b56747 in QMetaObject::activate (sender=sender@entry=0x563a7fa3cdb0, m=m@entry=0x7f41f8f7e840 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd4f0d83f0) at kernel/qobject.cpp:3633
#11 0x00007f41f88ad6b2 in QAction::triggered (this=this@entry=0x563a7fa3cdb0, _t1=<optimized out>) at .moc/moc_qaction.cpp:376
#12 0x00007f41f88afcec in QAction::activate (this=0x563a7fa3cdb0, event=<optimized out>) at kernel/qaction.cpp:1166
#13 0x00007f41f88b0641 in QAction::event (this=<optimized out>, e=<optimized out>) at kernel/qaction.cpp:1092
#14 0x00007f41f88b3e1c in QApplicationPrivate::notify_helper (this=this@entry=0x563a7f90f330, receiver=receiver@entry=0x563a7fa3cdb0, e=e@entry=0x7ffd4f0d86a0) at kernel/qapplication.cpp:3727
#15 0x00007f41f88bb3ef in QApplication::notify (this=0x563a7f90f000, receiver=0x563a7fa3cdb0, e=0x7ffd4f0d86a0) at kernel/qapplication.cpp:3486
#16 0x00007f41f7b26fe8 in QCoreApplication::notifyInternal2 (receiver=0x563a7fa3cdb0, event=event@entry=0x7ffd4f0d86a0) at kernel/qcoreapplication.cpp:1048
#17 0x00007f41f80e2787 in QCoreApplication::sendEvent (event=0x7ffd4f0d86a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#18 QShortcutMap::dispatchEvent (this=this@entry=0x563a7f90f410, e=e@entry=0x7ffd4f0d8750) at kernel/qshortcutmap.cpp:687
#19 0x00007f41f80e285a in QShortcutMap::tryShortcut (this=this@entry=0x563a7f90f410, e=e@entry=0x7ffd4f0d8750) at kernel/qshortcutmap.cpp:351
#20 0x00007f41f8095e23 in QWindowSystemInterface::handleShortcutEvent (window=<optimized out>, window@entry=0x563a7fa4bf40, timestamp=2098496, keyCode=40, modifiers=..., nativeScanCode=18, nativeVirtualKey=40, nativeModifiers=21, text=..., autorepeat=false, count=1) at kernel/qwindowsysteminterface.cpp:461
#21 0x00007f41f80b3e67 in QGuiApplicationPrivate::processKeyEvent (e=0x7f41e0007a80) at kernel/qguiapplication.cpp:2189
#22 0x00007f41f80b9315 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x7f41e0007a80) at kernel/qguiapplication.cpp:1823
#23 0x00007f41f8091f5b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:1032
#24 0x00007f41e96f676b in QPAEventDispatcherGlib::processEvents (this=0x563a7f97b860, flags=...) at qeventdispatcher_glib.cpp:70
#25 0x00007f41f7b2530a in QEventLoop::exec (this=this@entry=0x7ffd4f0d89c0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#26 0x00007f41f7b2e4d0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#27 0x00007f41f80ad9cc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1762
#28 0x00007f41f88b3d75 in QApplication::exec () at kernel/qapplication.cpp:2901
#29 0x00007f41fb95f197 in kdemain (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:207
#30 0x00007f41fb567b97 in __libc_start_main (main=0x563a7ec25720 <main>, argc=1, argv=0x7ffd4f0d8c78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd4f0d8c68) at ../csu/libc-start.c:310
#31 0x0000563a7ec2575a in _start ()

Reported using DrKonqi