Application: yakuake (3.0.5+)

Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-55-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:
Had many openned tabs and less with a huge logs file. Wanted to highlight some pattern, selected it and clicked "find".

The crash can be reproduced sometimes.

-- Backtrace:
Application: Yakuake (yakuake), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f376fdd3800 (LWP 20285))]

Thread 4 (Thread 0x7f3766e31700 (LWP 20313)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fcc772a7a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fcc772a758, cond=0x55fcc772a780) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fcc772a780, mutex=0x55fcc772a758) at pthread_cond_wait.c:638
#3  0x00007f37674c6aab in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f37674c66cb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f3772a6f669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f37734e6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f376d3ae700 (LWP 20309)):
#0  0x00007f37721e6780 in poll@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f377221aaae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f37600029e0, timeout=<optimized out>, context=0x7f3760000c30) at ../../../glib/gmain.c:4216
#2  g_main_context_iterate (context=context@entry=0x7f3760000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3912
#3  0x00007f377221abe3 in g_main_context_iteration (context=0x7f3760000c30, may_block=may_block@entry=1) at ../../../glib/gmain.c:3978
#4  0x00007f3773a80653 in QEventDispatcherGlib::processEvents (this=0x7f3760000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f3773a275cb in QEventLoop::exec (this=this@entry=0x7f376d3add70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f3773860a45 in QThread::exec (this=this@entry=0x7f3774a05d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f3774982efa in QDBusConnectionManager::run (this=0x7f3774a05d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f3773861c92 in QThreadPrivate::start (arg=0x7f3774a05d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361
#9  0x00007f3772a6f669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#10 0x00007f37734e6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f376ec66700 (LWP 20297)):
#0  0x00007f37734d9c2f in __GI___poll (fds=fds@entry=0x7f376ec65ca8, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3772f3c917 in poll (__timeout=-1, __nfds=1, __fds=0x7f376ec65ca8) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x55fcc7516160, cond=cond@entry=0x55fcc75161a0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007f3772f3e53a in xcb_wait_for_event (c=c@entry=0x55fcc7516160) at ../../src/xcb_in.c:697
#4  0x00007f376f465288 in QXcbEventQueue::run (this=0x55fcc7505d60) at qxcbeventqueue.cpp:228
#5  0x00007f3773861c92 in QThreadPrivate::start (arg=0x55fcc7505d60) at thread/qthread_unix.cpp:361
#6  0x00007f3772a6f669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#7  0x00007f37734e6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f376fdd3800 (LWP 20285)):
[KCrash Handler]
#7  QList<QWidget*>::indexOf (from=0, t=@0x7ffe6b8f31c0: 0x55fcc9002130, this=0x7792998f) at ../../include/QtCore/../../src/corelib/tools/qlist.h:971
#8  QList<QWidget*>::removeAll (this=0x7792998f, _t=@0x7ffe6b8f31c0: 0x55fcc9002130) at ../../include/QtCore/../../src/corelib/tools/qlist.h:883
#9  0x00007f37744741fa in QWidget::removeAction (this=0x55fcc9002130, action=<optimized out>) at kernel/qwidget.cpp:3350
#10 0x00007f376506015c in Konsole::SessionController::showDisplayContextMenu(QPoint const&) () from /lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#11 0x00007f3773a54558 in QtPrivate::QSlotObjectBase::call (a=0x7ffe6b8f33b0, r=0x55fcc85388c0, this=0x55fcc89408f0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#12 QMetaObject::activate (sender=0x7f376806a510, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3781
#13 0x00007f376509e759 in Konsole::TerminalDisplay::configureRequest(QPoint const&) () from /lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#14 0x00007f376507e708 in Konsole::TerminalDisplay::mousePressEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#15 0x00007f377447daac in QWidget::event (this=0x7f376806a510, event=0x7ffe6b8f3910) at kernel/qwidget.cpp:8941
#16 0x00007f377443aa86 in QApplicationPrivate::notify_helper (this=this@entry=0x55fcc7501bc0, receiver=receiver@entry=0x7f376806a510, e=e@entry=0x7ffe6b8f3910) at kernel/qapplication.cpp:3737
#17 0x00007f3774444053 in QApplication::notify (this=<optimized out>, receiver=0x7f376806a510, e=0x7ffe6b8f3910) at kernel/qapplication.cpp:3197
#18 0x00007f3773a28a2a in QCoreApplication::notifyInternal2 (receiver=0x7f376806a510, event=0x7ffe6b8f3910) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#19 0x00007f3774443157 in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x7f376806a510, event=event@entry=0x7ffe6b8f3910, alienWidget=alienWidget@entry=0x7f376806a510, nativeWidget=0x7ffe6b8f4230, buttonDown=buttonDown@entry=0x7f37749688f0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2683
#20 0x00007f377449914d in QWidgetWindow::handleMouseEvent (this=0x55fcc77180a0, event=0x7ffe6b8f3d90) at /usr/include/c++/9/bits/atomic_base.h:413
#21 0x00007f377449bfdc in QWidgetWindow::event (event=0x7ffe6b8f3d90, this=0x55fcc77180a0) at kernel/qwidgetwindow.cpp:281
#22 QWidgetWindow::event (this=0x55fcc77180a0, event=0x7ffe6b8f3d90) at kernel/qwidgetwindow.cpp:224
#23 0x00007f377443aa86 in QApplicationPrivate::notify_helper (this=this@entry=0x55fcc7501bc0, receiver=receiver@entry=0x55fcc77180a0, e=e@entry=0x7ffe6b8f3d90) at kernel/qapplication.cpp:3737
#24 0x00007f3774443e00 in QApplication::notify (this=0x7ffe6b8f4200, receiver=0x55fcc77180a0, e=0x7ffe6b8f3d90) at kernel/qapplication.cpp:3483
#25 0x00007f3773a28a2a in QCoreApplication::notifyInternal2 (receiver=0x55fcc77180a0, event=0x7ffe6b8f3d90) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#26 0x00007f3773e10d73 in QGuiApplicationPrivate::processMouseEvent (e=e@entry=0x55fcc8a095e0) at kernel/qguiapplication.cpp:2107
#27 0x00007f3773e125fb in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x55fcc8a095e0) at kernel/qguiapplication.cpp:1842
#28 0x00007f3773dec26b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1151
#29 0x00007f376f46628e in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#30 0x00007f377221a8bd in g_main_dispatch (context=0x7f3768005010) at ../../../glib/gmain.c:3179
#31 g_main_context_dispatch (context=context@entry=0x7f3768005010) at ../../../glib/gmain.c:3844
#32 0x00007f377221ab40 in g_main_context_iterate (context=context@entry=0x7f3768005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3917
#33 0x00007f377221abe3 in g_main_context_iteration (context=0x7f3768005010, may_block=may_block@entry=1) at ../../../glib/gmain.c:3978
#34 0x00007f3773a80635 in QEventDispatcherGlib::processEvents (this=0x55fcc752fde0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#35 0x00007f3773a275cb in QEventLoop::exec (this=this@entry=0x7ffe6b8f4130, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#36 0x00007f3773a2f336 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#37 0x000055fcc5bbdb68 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:88
[Inferior 1 (process 20285) detached]

Reported using DrKonqi