[konsole] [Bug 410582] Konsole with two tabs crashes when you press ctrl+d

Christian Janoff bugzilla_noreply at kde.org
Mon Sep 9 15:45:30 BST 2019 

https://bugs.kde.org/show_bug.cgi?id=410582

Christian Janoff <kdebugs at janoff.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |kdebugs at janoff.de
             Status|REPORTED                    |CONFIRMED

--- Comment #4 from Christian Janoff <kdebugs at janoff.de> ---
I can confirm this bug. It's 100% reproducible for me with KDE neon.

KDE neon 5.16.4
Konsole Version: 19.08.1
KDE Frameworks: 5.62.0
Qt: 5.12.3

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 0x7f49696215c0 (LWP 4209))]

Thread 7 (Thread 0x7f493e123700 (LWP 4215)):
#0  0x00007f49604949f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x560da5742d48) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560da5742cf8,
cond=0x560da5742d20) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560da5742d20, mutex=0x560da5742cf8) at
pthread_cond_wait.c:655
#3  0x00007f49487112bb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f4948710d97 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f496048e6db in start_thread (arg=0x7f493e123700) at
pthread_create.c:463
#6  0x00007f4968f2088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f493e924700 (LWP 4214)):
#0  0x00007f49604949f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x560da5742be8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560da5742b98,
cond=0x560da5742bc0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560da5742bc0, mutex=0x560da5742b98) at
pthread_cond_wait.c:655
#3  0x00007f49487112bb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f4948710d97 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f496048e6db in start_thread (arg=0x7f493e924700) at
pthread_create.c:463
#6  0x00007f4968f2088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f493f125700 (LWP 4213)):
#0  0x00007f49604949f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x560da5742a88) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560da5742a38,
cond=0x560da5742a60) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560da5742a60, mutex=0x560da5742a38) at
pthread_cond_wait.c:655
#3  0x00007f49487112bb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f4948710d97 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f496048e6db in start_thread (arg=0x7f493f125700) at
pthread_create.c:463
#6  0x00007f4968f2088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f493f926700 (LWP 4212)):
#0  0x00007f49604949f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x560da5742928) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x560da57428d8,
cond=0x560da5742900) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x560da5742900, mutex=0x560da57428d8) at
pthread_cond_wait.c:655
#3  0x00007f49487112bb in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007f4948710d97 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007f496048e6db in start_thread (arg=0x7f493f926700) at
pthread_create.c:463
#6  0x00007f4968f2088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f494bfff700 (LWP 4211)):
#0  0x00007f4968f13bf9 in __GI___poll (fds=0x7f4944004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f495e7475c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f495e7476dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f49655e1dcb in QEventDispatcherGlib::processEvents
(this=0x7f4944000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f496558303a in QEventLoop::exec (this=this at entry=0x7f494bffed70,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#5  0x00007f49653aa4ca in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007f4962ddf015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f49653abc72 in QThreadPrivate::start (arg=0x7f4963056d80) at
thread/qthread_unix.cpp:361
#8  0x00007f496048e6db in start_thread (arg=0x7f494bfff700) at
pthread_create.c:463
#9  0x00007f4968f2088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f49540b0700 (LWP 4210)):
#0  0x00007f4968f13bf9 in __GI___poll (fds=0x7f49540afca8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4960abd747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4960abf36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4956e97578 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f49653abc72 in QThreadPrivate::start (arg=0x560da5581850) at
thread/qthread_unix.cpp:361
#5  0x00007f496048e6db in start_thread (arg=0x7f49540b0700) at
pthread_create.c:463
#6  0x00007f4968f2088f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f49696215c0 (LWP 4209)):
[KCrash Handler]
#6  QWidget::testAttribute (attribute=<optimized out>, this=<optimized out>) at
../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:868
#7  QWidget::isEnabled (this=0x0) at
../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:767
#8  QWidget::setFocus (this=0x0, reason=Qt::OtherFocusReason) at
kernel/qwidget.cpp:6515
#9  0x00007f49655b498f in QtPrivate::QSlotObjectBase::call (a=0x7ffe63b685c0,
r=0x560da56874e0, this=0x560da569e6f0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#10 QMetaObject::activate (sender=sender at entry=0x560da563e100,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=4,
argv=argv at entry=0x7ffe63b685c0) at kernel/qobject.cpp:3776
#11 0x00007f49655b4f47 in QMetaObject::activate
(sender=sender at entry=0x560da563e100, m=m at entry=0x7f4968df6c40
<Konsole::TabbedViewContainer::staticMetaObject>,
local_signal_index=local_signal_index at entry=4, argv=argv at entry=0x7ffe63b685c0)
at kernel/qobject.cpp:3648
#12 0x00007f4968ba8cc2 in Konsole::TabbedViewContainer::activeViewChanged
(this=this at entry=0x560da563e100, _t1=<optimized out>) at
./obj-x86_64-linux-gnu/src/konsoleprivate_autogen/EWIEGA46WW/moc_ViewContainer.cpp:272
#13 0x00007f4968b91437 in Konsole::TabbedViewContainer::currentTabChanged
(this=0x560da563e100, index=0) at ./src/ViewContainer.cpp:514
#14 0x00007f49655b498f in QtPrivate::QSlotObjectBase::call (a=0x7ffe63b68720,
r=0x560da563e100, this=0x560da568f890) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#15 QMetaObject::activate (sender=0x560da563e100, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffe63b68720)
at kernel/qobject.cpp:3776
#16 0x00007f49655b4f47 in QMetaObject::activate (sender=<optimized out>,
m=m at entry=0x7f4966a66b60 <QTabWidget::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffe63b68720)
at kernel/qobject.cpp:3648
#17 0x00007f496654517e in QTabWidget::currentChanged (this=<optimized out>,
_t1=<optimized out>) at .moc/moc_qtabwidget.cpp:325
#18 0x00007f49665475c7 in QTabWidget::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
.moc/moc_qtabwidget.cpp:176
#19 0x00007f49655b4875 in QMetaObject::activate
(sender=sender at entry=0x560da5689440, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffe63b688a0)
at kernel/qobject.cpp:3795
#20 0x00007f49655b4f47 in QMetaObject::activate
(sender=sender at entry=0x560da5689440, m=m at entry=0x7f4966a655e0
<QTabBar::staticMetaObject>, local_signal_index=local_signal_index at entry=0,
argv=argv at entry=0x7ffe63b688a0) at kernel/qobject.cpp:3648
#21 0x00007f49665266fe in QTabBar::currentChanged
(this=this at entry=0x560da5689440, _t1=<optimized out>, _t1 at entry=0) at
.moc/moc_qtabbar.cpp:337
#22 0x00007f496652acfd in QTabBar::setCurrentIndex
(this=this at entry=0x560da5689440, index=0) at widgets/qtabbar.cpp:1383
#23 0x00007f496652e012 in QTabBar::removeTab (this=0x560da5689440,
index=index at entry=0) at widgets/qtabbar.cpp:1079
#24 0x00007f4966545e68 in QTabWidgetPrivate::_q_removeTab (this=<optimized
out>, index=0) at widgets/qtabwidget.cpp:763
#25 0x00007f49665475af in QTabWidget::qt_static_metacall (_o=<optimized out>,
_c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
.moc/moc_qtabwidget.cpp:177
#26 0x00007f49655b4875 in QMetaObject::activate (sender=0x560da5687410,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=1,
argv=argv at entry=0x7ffe63b68b20) at kernel/qobject.cpp:3795
#27 0x00007f49655b4f47 in QMetaObject::activate (sender=<optimized out>,
m=m at entry=0x7f4966a64fc0 <QStackedWidget::staticMetaObject>,
local_signal_index=local_signal_index at entry=1, argv=argv at entry=0x7ffe63b68b20)
at kernel/qobject.cpp:3648
#28 0x00007f49665241f1 in QStackedWidget::widgetRemoved (this=<optimized out>,
_t1=<optimized out>) at .moc/moc_qstackedwidget.cpp:225
#29 0x00007f496652454b in QStackedWidget::qt_static_metacall (_o=<optimized
out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
.moc/moc_qstackedwidget.cpp:101
#30 0x00007f49655b4875 in QMetaObject::activate
(sender=sender at entry=0x560da5687350, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffe63b68ca0)
at kernel/qobject.cpp:3795
#31 0x00007f49655b4f47 in QMetaObject::activate
(sender=sender at entry=0x560da5687350, m=m at entry=0x7f4966a55760
<QStackedLayout::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffe63b68ca0)
at kernel/qobject.cpp:3648
#32 0x00007f49663a3aae in QStackedLayout::widgetRemoved
(this=this at entry=0x560da5687350, _t1=<optimized out>, _t1 at entry=0) at
.moc/moc_qstackedlayout.cpp:219
#33 0x00007f49663a4762 in QStackedLayout::takeAt (this=0x560da5687350, index=0)
at kernel/qstackedlayout.cpp:280
#34 0x00007f496639f0ee in QLayout::removeWidget (this=0x560da5687350,
widget=0x560da580eca0) at kernel/qlayout.cpp:1390
#35 0x00007f4968b8edbb in Konsole::TabbedViewContainer::viewDestroyed
(this=0x560da563e100, view=0x560da580eca0) at ./src/ViewContainer.cpp:397
#36 0x00007f49655b498f in QtPrivate::QSlotObjectBase::call (a=0x7ffe63b68e50,
r=0x560da563e100, this=0x560da58cd830) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#37 QMetaObject::activate (sender=sender at entry=0x560da580eca0,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=0,
argv=argv at entry=0x7ffe63b68e50) at kernel/qobject.cpp:3776
#38 0x00007f49655b4f47 in QMetaObject::activate
(sender=sender at entry=0x560da580eca0, m=m at entry=0x7f4965a29980
<QObject::staticMetaObject>, local_signal_index=local_signal_index at entry=0,
argv=argv at entry=0x7ffe63b68e50) at kernel/qobject.cpp:3648
#39 0x00007f49655b4fef in QObject::destroyed (this=this at entry=0x560da580eca0,
_t1=<optimized out>, _t1 at entry=0x560da580eca0) at .moc/moc_qobject.cpp:218
#40 0x00007f49663bc363 in QWidget::~QWidget (this=0x560da580eca0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1674
#41 0x00007f4968bb03c1 in Konsole::ViewSplitter::~ViewSplitter
(this=0x560da580eca0, __in_chrg=<optimized out>) at
./obj-x86_64-linux-gnu/src/konsoleprivate_autogen/EWIEGA46WW/../../../../src/ViewSplitter.h:53
#42 Konsole::ViewSplitter::~ViewSplitter (this=0x560da580eca0,
__in_chrg=<optimized out>) at
./obj-x86_64-linux-gnu/src/konsoleprivate_autogen/EWIEGA46WW/../../../../src/ViewSplitter.h:53
#43 0x00007f49655b5400 in QObject::event (this=this at entry=0x560da580eca0,
e=e at entry=0x560da58af640) at kernel/qobject.cpp:1251
#44 0x00007f49663c10db in QWidget::event (this=0x560da580eca0,
event=0x560da58af640) at kernel/qwidget.cpp:9388
#45 0x00007f496638065c in QApplicationPrivate::notify_helper
(this=this at entry=0x560da555d2e0, receiver=receiver at entry=0x560da580eca0,
e=e at entry=0x560da58af640) at kernel/qapplication.cpp:3736
#46 0x00007f4966387b90 in QApplication::notify (this=0x560da555cfb0,
receiver=0x560da580eca0, e=0x560da58af640) at kernel/qapplication.cpp:3483
#47 0x00007f4965584d18 in QCoreApplication::notifyInternal2
(receiver=0x560da580eca0, event=0x560da58af640) at
kernel/qcoreapplication.cpp:1060
#48 0x00007f4965584eee in QCoreApplication::sendEvent (receiver=<optimized
out>, event=event at entry=0x560da58af640) at kernel/qcoreapplication.cpp:1450
#49 0x00007f49655878d7 in QCoreApplicationPrivate::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0,
data=0x560da555c5f0) at kernel/qcoreapplication.cpp:1799
#50 0x00007f4965587e78 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1653
#51 0x00007f49655e2793 in postEventSourceDispatch (s=0x560da55c3bc0) at
kernel/qeventdispatcher_glib.cpp:276
#52 0x00007f495e747417 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f495e747650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f495e7476dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f49655e1daf in QEventDispatcherGlib::processEvents
(this=0x560da55bc4a0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#56 0x00007f496558303a in QEventLoop::exec (this=this at entry=0x7ffe63b69520,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#57 0x00007f496558c170 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1363
#58 0x00007f496921cd0d in kdemain (argc=<optimized out>, argv=<optimized out>)
at ./src/main.cpp:229
#59 0x00007f4968e20b97 in __libc_start_main (main=0x560da36e0720 <main>,
argc=1, argv=0x7ffe63b697d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe63b697c8) at ../csu/libc-start.c:310
#60 0x0000560da36e075a in _start ()

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