Bug 374792

Summary: Crash on multiple closing docs, via close button on a toolbar
Product: [Applications] kate Reporter: berserq0123 <berserq0123>
Component: generalAssignee: KWrite Developers <kwrite-bugs-null>
Status: RESOLVED WORKSFORME    
Severity: crash CC: christoph, marinus.savoritias
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description berserq0123 2017-01-09 00:56:15 UTC 
Application: kate (16.08.3)

Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.10.0-rc2-1.g870a2f2-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
1)Open about 50 docs
2)Close it one by one via close button on the toolbar
3)kate crashed
I dont have a stable reproduction. But it  happened in 3 cases out of 10

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f37473fd780 (LWP 13022))]

Thread 11 (Thread 0x7f36f9631700 (LWP 18790)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37417f6acb in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f37417f6af9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f373e2b70a4 in start_thread (arg=0x7f36f9631700) at pthread_create.c:309
#4  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f3718ff9700 (LWP 13270)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f36fc0013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f3718ff9700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f37197fa700 (LWP 13269)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f37080013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f37197fa700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f3719ffb700 (LWP 13268)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f37040013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f3719ffb700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f371a7fc700 (LWP 13267)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f37100013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f371a7fc700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f371affd700 (LWP 13266)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f370c0013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f371affd700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f371b7fe700 (LWP 13265)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f37140013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f371b7fe700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f371bfff700 (LWP 13264)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f371c0013a0) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f371bfff700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f372086c700 (LWP 13263)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f37425de46b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x1bb07d0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1bc8300, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007f37219863ff in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f3721989dca in ?? () from /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f372198442b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f3721987a26 in ThreadWeaver::Thread::run() () from /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x2004970) at thread/qthread_unix.cpp:368
#8  0x00007f373e2b70a4 in start_thread (arg=0x7f372086c700) at pthread_create.c:309
#9  0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f3738931700 (LWP 13029)):
#0  0x00007f3741bd8ccd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f373c49bb60 in read (__nbytes=16, __buf=0x7f3738930c20, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f3734001710) at gwakeup.c:210
#3  0x00007f373c45a999 in g_main_context_check (context=context@entry=0x7f3734001b00, max_priority=2147483647, fds=fds@entry=0x7f37340158b0, n_fds=n_fds@entry=5) at gmain.c:3600
#4  0x00007f373c45adf8 in g_main_context_iterate (context=context@entry=0x7f3734001b00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3805
#5  0x00007f373c45af7c in g_main_context_iteration (context=0x7f3734001b00, may_block=1) at gmain.c:3869
#6  0x00007f37427e39eb in QEventDispatcherGlib::processEvents (this=0x7f37340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f37427932db in QEventLoop::exec (this=this@entry=0x7f3738930e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#8  0x00007f37425d8fca in QThread::exec (this=this@entry=0x7f3742e60d00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507
#9  0x00007f3742bf9a25 in QDBusConnectionManager::run (this=0x7f3742e60d00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#10 0x00007f37425dd7f9 in QThreadPrivate::start (arg=0x7f3742e60d00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#11 0x00007f373e2b70a4 in start_thread (arg=0x7f3738931700) at pthread_create.c:309
#12 0x00007f3741be502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f37473fd780 (LWP 13022)):
[KCrash Handler]
#6  0x00007f37427c04e6 in QObject::disconnect (sender=0x18, signal=0x34766f9 "documentNameChanged(KTextEditor::Document*)", signal@entry=0x49d240 "2documentNameChanged(KTextEditor::Document*)", receiver=receiver@entry=0x23ffec0, method=0x34767a9 "updateDocumentName(KTextEditor::Document*)", method@entry=0x49f230 "1updateDocumentName(KTextEditor::Document*)") at kernel/qobject.cpp:2956
#7  0x000000000046afe6 in KateViewSpace::removeTab (this=this@entry=0x23ffec0, doc=0x18, documentDestroyed=documentDestroyed@entry=false) at /usr/src/debug/kate-16.08.3/kate/kateviewspace.cpp:376
#8  0x000000000046b67b in KateViewSpace::registerDocument (this=this@entry=0x23ffec0, doc=0x20e4ad0, append=append@entry=true) at /usr/src/debug/kate-16.08.3/kate/kateviewspace.cpp:448
#9  0x000000000046bd85 in KateViewSpace::createView (this=0x23ffec0, doc=doc@entry=0x20e4ad0) at /usr/src/debug/kate-16.08.3/kate/kateviewspace.cpp:231
#10 0x000000000046314d in KateViewManager::createView (this=this@entry=0x22cce40, doc=doc@entry=0x20e4ad0, vs=vs@entry=0x0) at /usr/src/debug/kate-16.08.3/kate/kateviewmanager.cpp:448
#11 0x0000000000464722 in KateViewManager::activateView (this=0x22cce40, d=0x20e4ad0) at /usr/src/debug/kate-16.08.3/kate/kateviewmanager.cpp:671
#12 0x000000000048d97b in KateMainWindow::activateView (document=<optimized out>, this=0x1bf7120) at /usr/src/debug/kate-16.08.3/kate/katemainwindow.h:333
#13 KateMainWindow::qt_static_metacall (_o=_o@entry=0x1bf7120, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=36, _a=_a@entry=0x7fff2e13da20) at /usr/src/debug/kate-16.08.3/build/kate/moc_katemainwindow.cpp:429
#14 0x00007f374279f854 in QMetaMethod::invoke (this=this@entry=0x7fff2e13dc80, object=object@entry=0x1bf7120, connectionType=connectionType@entry=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2222
#15 0x00007f37427a4844 in QMetaObject::invokeMethod (obj=0x1bf7120, member=member@entry=0x7f3746f7010d "activateView", type=type@entry=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1489
#16 0x00007f3746ec76c9 in KTextEditor::MainWindow::activateView (this=<optimized out>, document=0x20e4ad0) at /usr/src/debug/ktexteditor-5.29.0/src/utils/mainwindow.cpp:102
#17 0x00007f3720e5e109 in KateFileTreePluginView::activateDocument (this=<optimized out>, doc=<optimized out>) at /usr/src/debug/kate-16.08.3/addons/filetree/katefiletreeplugin.cpp:364
#18 0x00007f3720e6034c in KateFileTreePluginView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kate-16.08.3/build/addons/filetree/moc_katefiletreeplugin.cpp:213
#19 0x00007f37427bcf55 in QMetaObject::activate (sender=sender@entry=0x2792e60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff2e13e1e0) at kernel/qobject.cpp:3740
#20 0x00007f37427bdba7 in QMetaObject::activate (sender=sender@entry=0x2792e60, m=m@entry=0x7f3721079be0 <KateFileTree::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff2e13e1e0) at kernel/qobject.cpp:3602
#21 0x00007f3720e70792 in KateFileTree::activateDocument (this=this@entry=0x2792e60, _t1=_t1@entry=0x20e4ad0) at /usr/src/debug/kate-16.08.3/build/addons/filetree/moc_katefiletree.cpp:284
#22 0x00007f3720e632b8 in KateFileTree::mouseClicked (this=0x2792e60, index=...) at /usr/src/debug/kate-16.08.3/addons/filetree/katefiletree.cpp:195
#23 0x00007f3720e70a51 in KateFileTree::qt_static_metacall (_o=0x2792e60, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kate-16.08.3/build/addons/filetree/moc_katefiletree.cpp:190
#24 0x00007f37427bcf55 in QMetaObject::activate (sender=sender@entry=0x2792e60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff2e13e3d0) at kernel/qobject.cpp:3740
#25 0x00007f37427bdba7 in QMetaObject::activate (sender=sender@entry=0x2792e60, m=m@entry=0x7f37444847a0 <QAbstractItemView::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff2e13e3d0) at kernel/qobject.cpp:3602
#26 0x00007f3743fd8b85 in QAbstractItemView::clicked (this=this@entry=0x2792e60, _t1=...) at .moc/moc_qabstractitemview.cpp:646
#27 0x00007f3743fdee4b in QAbstractItemView::mouseReleaseEvent (this=this@entry=0x2792e60, event=event@entry=0x7fff2e13ec10) at itemviews/qabstractitemview.cpp:1920
#28 0x00007f3744023bab in QTreeView::mouseReleaseEvent (this=0x2792e60, event=0x7fff2e13ec10) at itemviews/qtreeview.cpp:1910
#29 0x00007f3743def05a in QWidget::event (this=this@entry=0x2792e60, event=event@entry=0x7fff2e13ec10) at kernel/qwidget.cpp:8785
#30 0x00007f3743ecfb4e in QFrame::event (this=0x2792e60, e=0x7fff2e13ec10) at widgets/qframe.cpp:550
#31 0x00007f3743fe5c0b in QAbstractItemView::viewportEvent (this=this@entry=0x2792e60, event=event@entry=0x7fff2e13ec10) at itemviews/qabstractitemview.cpp:1747
#32 0x00007f37440234d0 in QTreeView::viewportEvent (this=0x2792e60, event=0x7fff2e13ec10) at itemviews/qtreeview.cpp:1320
#33 0x00007f3742794ed1 in QCoreApplicationPrivate::sendThroughObjectEventFilters (receiver=receiver@entry=0x2792d30, event=event@entry=0x7fff2e13ec10) at kernel/qcoreapplication.cpp:1099
#34 0x00007f3743dab1f5 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2792d30, e=0x7fff2e13ec10) at kernel/qapplication.cpp:3795
#35 0x00007f3743db2b7b in QApplication::notify (this=<optimized out>, receiver=0x2792d30, e=0x7fff2e13ec10) at kernel/qapplication.cpp:3273
#36 0x00007f3742795005 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x2792d30, event=event@entry=0x7fff2e13ec10) at kernel/qcoreapplication.cpp:988
#37 0x00007f3743db1603 in QCoreApplication::sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#38 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x2792d30, event=event@entry=0x7fff2e13ec10, alienWidget=alienWidget@entry=0x2792d30, nativeWidget=0x22c7ed0, buttonDown=buttonDown@entry=0x7f37444967e0 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:2771
#39 0x00007f3743e085d1 in QWidgetWindow::handleMouseEvent (this=this@entry=0x2704fc0, event=event@entry=0x7fff2e13f070) at kernel/qwidgetwindow.cpp:617
#40 0x00007f3743e0ab23 in QWidgetWindow::event (this=0x2704fc0, event=0x7fff2e13f070) at kernel/qwidgetwindow.cpp:239
#41 0x00007f3743dab21c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2704fc0, e=0x7fff2e13f070) at kernel/qapplication.cpp:3799
#42 0x00007f3743db21a0 in QApplication::notify (this=0x7fff2e13f6d0, receiver=0x2704fc0, e=0x7fff2e13f070) at kernel/qapplication.cpp:3556
#43 0x00007f3742795005 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x2704fc0, event=event@entry=0x7fff2e13f070) at kernel/qcoreapplication.cpp:988
#44 0x00007f3743646afb in QCoreApplication::sendSpontaneousEvent (event=0x7fff2e13f070, receiver=0x2704fc0) at ../../src/corelib/kernel/qcoreapplication.h:234
#45 QGuiApplicationPrivate::processMouseEvent (e=0x33ed390) at kernel/qguiapplication.cpp:1903
#46 0x00007f3743648655 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x33ed390) at kernel/qguiapplication.cpp:1687
#47 0x00007f374362a75b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:659
#48 0x00007f373250d810 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:76
#49 0x00007f373c45ac84 in g_main_dispatch (context=0x7f3734002450) at gmain.c:3122
#50 g_main_context_dispatch (context=context@entry=0x7f3734002450) at gmain.c:3737
#51 0x00007f373c45aed8 in g_main_context_iterate (context=context@entry=0x7f3734002450, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#52 0x00007f373c45af7c in g_main_context_iteration (context=0x7f3734002450, may_block=1) at gmain.c:3869
#53 0x00007f37427e39cc in QEventDispatcherGlib::processEvents (this=0x1882a00, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#54 0x00007f37427932db in QEventLoop::exec (this=this@entry=0x7fff2e13f3f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#55 0x00007f374279b0d6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#56 0x00007f374363f41c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1633
#57 0x00007f3743dab175 in QApplication::exec () at kernel/qapplication.cpp:2975
#58 0x000000000044870f in main (argc=1, argv=<optimized out>) at /usr/src/debug/kate-16.08.3/kate/main.cpp:576

Reported using DrKonqi
Comment 1 Christoph Cullmann 2019-05-18 19:02:55 UTC 
Could you try a more up-to-date version if that still happens?
Thanks!
Sorry for the inconvenience.

Have you opened a session with open files before this happened?

I think the culprit is the

Thread 1 (Thread 0x7f37473fd780 (LWP 13022)):
[KCrash Handler]
#6  0x00007f37427c04e6 in QObject::disconnect (sender=0x18, signal=0x34766f9 "documentNameChanged(KTextEditor::Document*)", signal@entry=0x49d240 "2documentNameChanged(KTextEditor::Document*)", receiver=receiver@entry=0x23ffec0, method=0x34767a9 "updateDocumentName(KTextEditor::Document*)", method@entry=0x49f230 "1updateDocumentName(KTextEditor::Document*)") at kernel/qobject.cpp:2956
#7  0x000000000046afe6 in KateViewSpace::removeTab (this=this@entry=0x23ffec0, doc=0x18, documentDestroyed=documentDestroyed@entry=false) at /usr/src/debug/kate-16.08.3/kate/kateviewspace.cpp:376

code path
Comment 2 Bug Janitor Service 2019-06-02 04:33:07 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 fbampaloukas 2019-06-16 14:02:32 UTC 
Closing as Worksforme due to inactivity for more than 15 days as per:

https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging#Policies

Fanis
Comment 4 Christoph Feck 2019-06-16 15:06:49 UTC 
Fanis, we have the Bug Janitor Service, which will automatically handle NEEDSINFO bugs.