Application: latte-dock (0.10.8)

Qt Version: 5.15.4
Frameworks Version: 5.94.0
Operating System: Linux 5.13.0-48-generic x86_64
Windowing System: X11
Distribution: KDE neon User - 5.24
DrKonqi: 5.24.5 [KCrashBackend]

-- Information about the crash:
When I open up Latte Dock in the application launcher, it shows a message saying, "Activating Layout: Empty". Then, when I try to open it again in order to access the app settings, it opens for a split second and crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Latte Dock (latte-dock), signal: Segmentation fault

[New LWP 9734]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007feb7acaa99f in __GI___poll (fds=0x7ffe6f29c978, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7feb7cbd51c0 (LWP 9731))]

Thread 2 (Thread 0x7feb757df700 (LWP 9734)):
#0  0x00007feb7b196bf3 in QMutex::unlock (this=this@entry=0x555ced76e360) at /usr/include/c++/9/bits/atomic_base.h:769
#1  0x00007feb7b3d7b92 in QMutexLocker::unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#2  QMutexLocker::~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:248
#3  QThreadData::canWaitLocked (this=0x555ced76e330) at ../../include/QtCore/5.15.4/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:279
#4  postEventSourcePrepare (s=0x7feb68004bb0, timeout=0x7feb757de9e4) at kernel/qeventdispatcher_glib.cpp:260
#5  0x00007feb795f18ef in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007feb795f229b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007feb795f24a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007feb7b3d7c8b in QEventDispatcherGlib::processEvents (this=0x7feb68000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9  0x00007feb7b37beab in QEventLoop::exec (this=this@entry=0x7feb757debb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#10 0x00007feb7b195462 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#11 0x00007feb7b640f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#12 0x00007feb7b196643 in QThreadPrivate::start (arg=0x7feb7b6c4d80) at thread/qthread_unix.cpp:331
#13 0x00007feb7a630609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#14 0x00007feb7acb7133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7feb7cbd51c0 (LWP 9731)):
[KCrash Handler]
#4  QString::QString (other=..., this=0x555cedf51b80) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:1093
#5  Latte::Data::Generic::Generic (this=0x555cedf51b80, o=...) at ./app/data/genericdata.cpp:19
#6  0x0000555ced3388c5 in Latte::Data::Activity::Activity (this=0x555cedf51b80, o=...) at ./app/data/activitydata.cpp:24
#7  0x0000555ced3f0bdf in QList<Latte::Data::Activity>::node_construct (this=<optimized out>, n=0x555ced8f0500, t=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:463
#8  QList<Latte::Data::Activity>::append (t=..., this=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:634
#9  QList<Latte::Data::Activity>::append (this=<optimized out>, t=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:620
#10 0x0000555ced3eec2f in QList<Latte::Data::Activity>::operator<< (t=..., this=0x7ffe6f29d658) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:401
#11 Latte::Settings::Layout::Delegate::Activities::paint (this=<optimized out>, painter=<optimized out>, option=..., index=...) at ./app/settings/settingsdialog/delegates/activitiesdelegate.cpp:311
#12 0x00007feb7c46fd70 in QTableViewPrivate::drawCell (this=this@entry=0x555cede81ff0, painter=painter@entry=0x7ffe6f29da10, option=..., index=...) at itemviews/qtableview.cpp:1006
#13 0x00007feb7c4765bf in QTableView::paintEvent (this=0x555ced93a880, event=<optimized out>) at itemviews/qtableview.cpp:1567
#14 0x00007feb7c1e8d86 in QWidget::event (this=this@entry=0x555ced93a880, event=event@entry=0x7ffe6f29e080) at kernel/qwidget.cpp:8677
#15 0x00007feb7c299962 in QFrame::event (this=0x555ced93a880, e=0x7ffe6f29e080) at widgets/qframe.cpp:550
#16 0x00007feb7c426922 in QAbstractItemView::viewportEvent (this=0x555ced93a880, event=0x7ffe6f29e080) at itemviews/qabstractitemview.cpp:1746
#17 0x00007feb7b37d113 in QCoreApplicationPrivate::sendThroughObjectEventFilters (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.cpp:1190
#18 QCoreApplicationPrivate::sendThroughObjectEventFilters (receiver=receiver@entry=0x555cedcada30, event=event@entry=0x7ffe6f29e080) at kernel/qcoreapplication.cpp:1179
#19 0x00007feb7c1a5db2 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x555cedcada30, e=0x7ffe6f29e080) at kernel/qapplication.cpp:3631
#20 0x00007feb7c1aebd8 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3161
#21 0x00007feb7b37d3aa in QCoreApplication::notifyInternal2 (receiver=0x555cedcada30, event=0x7ffe6f29e080) at ../../include/QtCore/5.15.4/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:332
#22 0x00007feb7c1e113a in QWidgetPrivate::sendPaintEvent (this=0x555cee0dcf80, toBePainted=...) at kernel/qwidget.cpp:5467
#23 0x00007feb7c1e1962 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at kernel/qwidget.cpp:5417
#24 0x00007feb7c1e2d63 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede81ff0, pdev=0x555cede421d0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at ../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#25 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede81ff0, pdev=0x555cede421d0, siblings=..., index=5, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#26 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede81ff0, pdev=0x555cede421d0, siblings=..., index=6, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#27 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede81ff0, pdev=0x555cede421d0, siblings=..., index=8, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#28 0x00007feb7c1e167c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at ../../include/QtCore/../../src/corelib/tools/qlist.h:176
#29 0x00007feb7c1e2d63 in QWidgetPrivate::paintSiblingsRecursive (this=0x555ceddb5420, pdev=0x555cede421d0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at ../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#30 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x555ceddb5420, pdev=0x555cede421d0, siblings=..., index=3, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#31 0x00007feb7c1e167c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at ../../include/QtCore/../../src/corelib/tools/qlist.h:176
#32 0x00007feb7c1e2d63 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cedda5a00, pdev=0x555cede421d0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at ../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#33 0x00007feb7c1e167c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at ../../include/QtCore/../../src/corelib/tools/qlist.h:176
#34 0x00007feb7c1e2d63 in QWidgetPrivate::paintSiblingsRecursive (this=0x7feb68002c00, pdev=0x555cede421d0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at ../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#35 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x7feb68002c00, pdev=0x555cede421d0, siblings=..., index=0, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#36 0x00007feb7c1e167c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at ../../include/QtCore/../../src/corelib/tools/qlist.h:176
#37 0x00007feb7c1e2d63 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede96010, pdev=0x555cede421d0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at ../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#38 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede96010, pdev=0x555cede421d0, siblings=..., index=1, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#39 0x00007feb7c1e2c46 in QWidgetPrivate::paintSiblingsRecursive (this=0x555cede96010, pdev=0x555cede421d0, siblings=..., index=2, rgn=..., offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555cee0d4d20) at kernel/qwidget.cpp:5584
#40 0x00007feb7c1e167c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at ../../include/QtCore/../../src/corelib/tools/qlist.h:176
#41 0x00007feb7c1b8449 in QWidgetRepaintManager::paintAndFlush (this=this@entry=0x555cee0d4d20) at ../../include/QtCore/../../src/corelib/tools/qpoint.h:122
#42 0x00007feb7c1b8d3f in QWidgetRepaintManager::sync (this=0x555cee0d4d20, exposedWidget=0x555cede4aad0, exposedRegion=...) at kernel/qwidgetrepaintmanager.cpp:743
#43 0x00007feb7c20697c in QWidgetWindow::handleExposeEvent(QExposeEvent*) () at ../../include/QtGui/../../src/gui/kernel/qevent.h:479
#44 0x00007feb7c207378 in QWidgetWindow::event (this=0x555cee0d6950, event=0x7ffe6f29fe40) at kernel/qwidgetwindow.cpp:347
#45 0x00007feb7c1a5dc3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x555cee0d6950, e=0x7ffe6f29fe40) at kernel/qapplication.cpp:3637
#46 0x00007feb7c1aebd8 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3161
#47 0x00007feb7b37d3aa in QCoreApplication::notifyInternal2 (receiver=0x555cee0d6950, event=0x7ffe6f29fe40) at ../../include/QtCore/5.15.4/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:332
#48 0x00007feb7b8dac13 in QGuiApplicationPrivate::processExposeEvent (e=0x555cedf56ba0) at kernel/qguiapplication.cpp:3258
#49 0x00007feb7b8dae4b in QGuiApplicationPrivate::processWindowSystemEvent (e=0x555cedf56ba0) at kernel/qguiapplication.cpp:2070
#50 0x00007feb7b8b185c in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169
#51 0x00007feb76c0824e in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#52 0x00007feb795f217d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007feb795f2400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007feb795f24a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007feb7b3d7c72 in QEventDispatcherGlib::processEvents (this=0x555ced769120, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#56 0x00007feb7b37beab in QEventLoop::exec (this=this@entry=0x7ffe6f2a0120, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#57 0x00007feb7b384054 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#58 0x0000555ced303cc3 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:423
[Inferior 1 (process 9731) detached]

Possible duplicates by query: bug 441640, bug 441619, bug 441558, bug 441519, bug 441466.

Report to https://bugs.kde.org/