https://bugs.kde.org/show_bug.cgi?id=406719

            Bug ID: 406719
           Summary: KInfoCenter crashed on Wayland when closed
           Product: kinfocenter
           Version: unspecified
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: hubn...@gmail.com
          Reporter: bugsefor...@gmx.com
  Target Milestone: ---

SUMMARY
I just closed KInfoCenter on Wayland and it crashed.

SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.15.80
KDE Frameworks Version: 5.58.0
Qt Version: 5.12.0

Application: Centro de Informações (kinfocenter), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8835420c80 (LWP 4577))]

Thread 3 (Thread 0x7f8810def700 (LWP 4585)):
#0  0x00007f88316ec0b4 in __GI___libc_read (fd=16, buf=0x7f8810deeb70,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f882ae9ccd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f882ae58027 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f882ae584e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f882ae5864c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f883203315b in QEventDispatcherGlib::processEvents
(this=0x7f8804000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f8831fd464a in QEventLoop::exec (this=this@entry=0x7f8810deed80,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f8831dfc41a in QThread::exec (this=this@entry=0x5596e614fb20) at
thread/qthread.cpp:531
#8  0x00007f88305772e5 in QQmlThreadPrivate::run (this=0x5596e614fb20) at
qml/ftw/qqmlthread.cpp:148
#9  0x00007f8831dfdbc2 in QThreadPrivate::start (arg=0x5596e614fb20) at
thread/qthread_unix.cpp:361
#10 0x00007f882cb9e6db in start_thread (arg=0x7f8810def700) at
pthread_create.c:463
#11 0x00007f88316fd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f88210cb700 (LWP 4578)):
#0  0x00007f88316ec0b4 in __GI___libc_read (fd=5, buf=0x7f88210cab60,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f882ae9ccd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f882ae58027 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f882ae584e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f882ae5864c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f883203315b in QEventDispatcherGlib::processEvents
(this=0x7f881c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f8831fd464a in QEventLoop::exec (this=this@entry=0x7f88210cad70,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f8831dfc41a in QThread::exec (this=this@entry=0x7f882f9b0d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:531
#8  0x00007f882f739015 in QDBusConnectionManager::run (this=0x7f882f9b0d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#9  0x00007f8831dfdbc2 in QThreadPrivate::start (arg=0x7f882f9b0d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#10 0x00007f882cb9e6db in start_thread (arg=0x7f88210cb700) at
pthread_create.c:463
#11 0x00007f88316fd88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8835420c80 (LWP 4577)):
[KCrash Handler]
#7  0x00007f8824e58aa9 in ?? () from
/usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#8  0x00007f8824e548d3 in wl_proxy_destroy () from
/usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#9  0x00007f882373d9c7 in org_kde_plasma_window_destroy
(org_kde_plasma_window=0x5596e91b30a0) at
./obj-x86_64-linux-gnu/src/client/wayland-plasma-window-management-client-protocol.h:694
#10 KWayland::Client::WaylandPointer<org_kde_plasma_window,
org_kde_plasma_window_destroy>::release (this=0x5596e6521a60,
this=0x5596e6521a60) at ./src/client/wayland_pointer_p.h:53
#11 KWayland::Client::PlasmaWindow::release (this=this@entry=0x5596e63973d0) at
./src/client/plasmawindowmanagement.cpp:787
#12 0x00007f882373d9ea in KWayland::Client::PlasmaWindow::~PlasmaWindow
(this=0x5596e63973d0, __in_chrg=<optimized out>) at
./src/client/plasmawindowmanagement.cpp:777
#13 0x00007f882373db09 in KWayland::Client::PlasmaWindow::~PlasmaWindow
(this=0x5596e63973d0, __in_chrg=<optimized out>) at
./src/client/plasmawindowmanagement.cpp:778
#14 0x00007f88320039fb in QObjectPrivate::deleteChildren
(this=this@entry=0x5596e8d5d5f0) at kernel/qobject.cpp:1995
#15 0x00007f883200d4fb in QObject::~QObject (this=<optimized out>,
__in_chrg=<optimized out>) at kernel/qobject.cpp:1021
#16 0x00007f882373e289 in
KWayland::Client::PlasmaWindowManagement::~PlasmaWindowManagement
(this=0x5596e64ebec0, __in_chrg=<optimized out>) at
./src/client/plasmawindowmanagement.cpp:258
#17 0x00007f88320039fb in QObjectPrivate::deleteChildren
(this=this@entry=0x5596e64ae660) at kernel/qobject.cpp:1995
#18 0x00007f883200d4fb in QObject::~QObject (this=<optimized out>,
__in_chrg=<optimized out>) at kernel/qobject.cpp:1021
#19 0x00007f8813069623 in WaylandIntegration::~WaylandIntegration
(this=<optimized out>, __in_chrg=<optimized out>) at
./src/windowsystem/waylandintegration.cpp:54
#20 WaylandIntegrationSingleton::~WaylandIntegrationSingleton (this=<optimized
out>, __in_chrg=<optimized out>) at
./src/windowsystem/waylandintegration.cpp:40
#21 (anonymous namespace)::Q_QGS_privateWaylandIntegrationSelf::Holder::~Holder
(this=<optimized out>, __in_chrg=<optimized out>) at
./src/windowsystem/waylandintegration.cpp:46
#22 0x00007f883161f041 in __run_exit_handlers (status=0, listp=0x7f88319c7718
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true,
run_dtors=run_dtors@entry=true) at exit.c:108
#23 0x00007f883161f13a in __GI_exit (status=<optimized out>) at exit.c:139
#24 0x00007f88315fdb9e in __libc_start_main (main=0x5596e5d401f0, argc=1,
argv=0x7ffdcb07e898, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffdcb07e888) at ../csu/libc-start.c:344
#25 0x00005596e5d4029a in _start ()

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