https://bugs.kde.org/show_bug.cgi?id=378725

            Bug ID: 378725
           Summary: korganizer crashes when changing fonts in to-do list
           Product: korganizer
           Version: 5.4.3
          Platform: Neon Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Application: korganizer (5.4.3)

Qt Version: 5.7.1
Frameworks Version: 5.33.0
Operating System: Linux 4.4.0-72-lowlatency x86_64
Distribution: KDE neon User Edition 5.9

-- Information about the crash:
- What I was doing when the application crashed:
changing the fonts on the second line of a to-do list. The first line has a
large font and the next line was to have a smaller font with a different type
face. 
This consistently crashes the application 

- Custom settings of the application:
To do list is being editing in "enhanced edit mode" with all the fancy edit
tools :o)  and on a separate monitor from the main Korganizer window

The crash can be reproduced every time.

-- Backtrace:
Application: KOrganizer (korganizer), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1f8d8759c0 (LWP 8961))]

Thread 4 (Thread 0x7f1f81ead700 (LWP 8969)):
#0  0x00007f1fbc12b69d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1fb26686f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1fb2624e74 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1fb2625330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1fb262549c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1fbcc6575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1fbcc100ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1fbca3ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1fbca44b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1fb439a6ba in start_thread (arg=0x7f1f81ead700) at
pthread_create.c:333
#10 0x00007f1fbc13b82d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1f826ae700 (LWP 8967)):
#0  0x00007f1fbcc638c9 in QTimerInfoList::repairTimersIfNeeded() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f1fbcc63953 in QTimerInfoList::timerWait(timespec&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f1fbcc64d0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f1fb262491d in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1fb26252bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1fb262549c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1fbcc6575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1fbcc100ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1fbca3ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1fbca44b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f1fb439a6ba in start_thread (arg=0x7f1f826ae700) at
pthread_create.c:333
#11 0x00007f1fbc13b82d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1f838bf700 (LWP 8966)):
#0  0x00007f1fbc12fb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f1fb262538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1fb262549c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1fbcc6575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1fbcc100ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1fbca3ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1fc01d9735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f1fbca44b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1fb439a6ba in start_thread (arg=0x7f1f838bf700) at
pthread_create.c:333
#9  0x00007f1fbc13b82d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1f8d8759c0 (LWP 8961)):
[KCrash Handler]
#6  0x00007f1fbd974f5f in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007f1f8d4f8c26 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x00007f1fbd9b3fe0 in QListView::selectionChanged(QItemSelection const&,
QItemSelection const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f1fbd98e591 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f1fbcc3ce89 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1fbcbc17e7 in QItemSelectionModel::selectionChanged(QItemSelection
const&, QItemSelection const&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f1fbcbc601b in
QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection
const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f1fbcbc9af2 in QItemSelectionModel::select(QItemSelection const&,
QFlags<QItemSelectionModel::SelectionFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f1fbcbc356c in QItemSelectionModel::select(QModelIndex const&,
QFlags<QItemSelectionModel::SelectionFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f1fbcbc1c34 in QItemSelectionModel::setCurrentIndex(QModelIndex
const&, QFlags<QItemSelectionModel::SelectionFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f1fbd8454f1 in QComboBox::showPopup() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f1fbd846295 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f1fbd7888ef in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f1fbd842396 in QComboBox::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f1fbd740ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f1fbd749165 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f1fbcc120c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f1fbd747e8f in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f1fbd7a2236 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f1fbd7a4c83 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f1fbd740ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f1fbd7488c6 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f1fbcc120c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f1fbcf555a0 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#30 0x00007f1fbcf574a5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#31 0x00007f1fbcf3532b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#32 0x00007f1f8d4dc270 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#33 0x00007f1fb2625197 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f1fb26253f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f1fb262549c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f1fbcc6573f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f1fbcc100ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f1fbcc186cc in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x0000000000408684 in ?? ()
#40 0x00007f1fbc055830 in __libc_start_main (main=0x4081f0, argc=1,
argv=0x7ffe6fa095f8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe6fa095e8) at ../csu/libc-start.c:291
#41 0x0000000000408829 in _start ()

Possible duplicates by query: bug 371981, bug 369484, bug 368285, bug 366800,
bug 361714.

Reported using DrKonqi

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