https://bugs.kde.org/show_bug.cgi?id=405921

            Bug ID: 405921
           Summary: Plasma crashes when dragging task from taskmanager to
                    a different virtual desktop
           Product: plasmashell
           Version: 5.15.3
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: alpine.art...@googlemail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.15.3)
 (Compiled from sources)
Qt Version: 5.12.2
Frameworks Version: 5.56.0
Operating System: Linux 4.19.27-gentoo-r1 x86_64
Distribution: "Gentoo Base System release 2.6"

-- Information about the crash:
- What I was doing when the application crashed:
I wanted to move a konsole window from VT 1 to VT 2. So I wanted to dragged the
task from the taskmanager (the default window list in the bottom panel, hope
that's how it is called) to a different desktop in the VT-Plasmoid. This worked
in the past, now it crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff98aa2d340 (LWP 616))]

Thread 11 (Thread 0x7ff9270e9700 (LWP 1284)):
#0  0x00007ff976ea2db6 in pa_atomic_load (a=<optimized out>) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulsecore/pstream.c:855
#1  do_read (p=p@entry=0x7ff910000bc0, re=re@entry=0x7ff910000d88) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulsecore/pstream.c:856
#2  0x00007ff976ea5cdb in do_pstream_read_write (p=0x7ff910000bc0) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulsecore/pstream.c:248
#3  0x00007ff976ea6079 in srb_callback (srb=0x7ff910004090,
userdata=0x7ff910000bc0) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulsecore/pstream.c:287
#4  0x00007ff976ea68ca in srbchannel_rwloop (sr=0x7ff910004090) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulsecore/srbchannel.c:190
#5  0x00007ff97ba5fb98 in dispatch_pollfds (m=0xa6dbf80) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulse/mainloop.c:140
#6  pa_mainloop_dispatch (m=m@entry=0xa6dbf80) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulse/mainloop.c:898
#7  0x00007ff97ba5fe6c in pa_mainloop_iterate (m=0xa6dbf80, block=<optimized
out>, retval=0x0) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulse/mainloop.c:929
#8  0x00007ff97ba5ff10 in pa_mainloop_run (m=0xa6dbf80,
retval=retval@entry=0x0) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulse/mainloop.c:945
#9  0x00007ff97ba6df59 in thread (userdata=0xa690f50) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulse/thread-mainloop.c:100
#10 0x00007ff976eb68d8 in internal_thread_func (userdata=0xa736cc0) at
/var/tmp/portage/media-sound/pulseaudio-12.2/work/pulseaudio-12.2/src/pulsecore/thread-posix.c:81
#11 0x00007ff98113d96a in start_thread (arg=0x7ff9270e9700) at
pthread_create.c:463
#12 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7ff927d99700 (LWP 1283)):
#0  0x00007ff98114456c in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x9098714) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x90986c0, cond=0x90986e8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x90986e8, mutex=0x90986c0) at
pthread_cond_wait.c:655
#3  0x00007ff9846b3573 in QWaitConditionPrivate::wait (deadline=...,
this=0x90986c0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7ff96c00f3f0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff9846b35f9 in QWaitCondition::wait (this=this@entry=0x7ff96c00f3f8,
mutex=mutex@entry=0x7ff96c00f3f0, time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007ff9888c71c9 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x7ff96c00f3e8) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore
(this=this@entry=0x7ff96c00f370) at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff9888c742a in QSGRenderThread::run (this=0x7ff96c00f370) at
scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff9846add52 in QThreadPrivate::start (arg=0x7ff96c00f370) at
thread/qthread_unix.cpp:361
#10 0x00007ff98113d96a in start_thread (arg=0x7ff927d99700) at
pthread_create.c:463
#11 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7ff940837700 (LWP 785)):
#0  0x00007ff98114456c in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x77e0ed0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x77e0e80, cond=0x77e0ea8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x77e0ea8, mutex=0x77e0e80) at
pthread_cond_wait.c:655
#3  0x00007ff9846b3573 in QWaitConditionPrivate::wait (deadline=...,
this=0x77e0e80) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x785a520, deadline=...)
at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff9846b35f9 in QWaitCondition::wait (this=this@entry=0x785a528,
mutex=mutex@entry=0x785a520, time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007ff9888c71c9 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x785a518) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x785a4a0) at
scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff9888c742a in QSGRenderThread::run (this=0x785a4a0) at
scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff9846add52 in QThreadPrivate::start (arg=0x785a4a0) at
thread/qthread_unix.cpp:361
#10 0x00007ff98113d96a in start_thread (arg=0x7ff940837700) at
pthread_create.c:463
#11 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7ff941587700 (LWP 779)):
#0  0x00007ff98114456c in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x39cff20) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x39cfed0, cond=0x39cfef8)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x39cfef8, mutex=0x39cfed0) at
pthread_cond_wait.c:655
#3  0x00007ff9846b3573 in QWaitConditionPrivate::wait (deadline=...,
this=0x39cfed0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x39d1f30, deadline=...)
at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff9846b35f9 in QWaitCondition::wait (this=this@entry=0x39d1f38,
mutex=mutex@entry=0x39d1f30, time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007ff9888c71c9 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x39d1f28) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x39d1eb0) at
scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff9888c742a in QSGRenderThread::run (this=0x39d1eb0) at
scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff9846add52 in QThreadPrivate::start (arg=0x39d1eb0) at
thread/qthread_unix.cpp:361
#10 0x00007ff98113d96a in start_thread (arg=0x7ff941587700) at
pthread_create.c:463
#11 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7ff942050700 (LWP 778)):
#0  0x00007ff98114456c in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x346fd94) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x346fd40, cond=0x346fd68)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x346fd68, mutex=0x346fd40) at
pthread_cond_wait.c:655
#3  0x00007ff9846b3573 in QWaitConditionPrivate::wait (deadline=...,
this=0x346fd40) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x33bd200, deadline=...)
at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff9846b35f9 in QWaitCondition::wait (this=this@entry=0x33bd208,
mutex=mutex@entry=0x33bd200, time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007ff9888c71c9 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x33bd1f8) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x33bd180) at
scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff9888c742a in QSGRenderThread::run (this=0x33bd180) at
scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff9846add52 in QThreadPrivate::start (arg=0x33bd180) at
thread/qthread_unix.cpp:361
#10 0x00007ff98113d96a in start_thread (arg=0x7ff942050700) at
pthread_create.c:463
#11 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7ff9441c5700 (LWP 777)):
#0  0x00007ff98114456c in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x3e1c6a4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x3e1c650, cond=0x3e1c678)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x3e1c678, mutex=0x3e1c650) at
pthread_cond_wait.c:655
#3  0x00007ff9846b3573 in QWaitConditionPrivate::wait (deadline=...,
this=0x3e1c650) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x3e18b20, deadline=...)
at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff9846b35f9 in QWaitCondition::wait (this=this@entry=0x3e18b28,
mutex=mutex@entry=0x3e18b20, time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007ff9888c71c9 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x3e18b18) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x3e18aa0) at
scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff9888c742a in QSGRenderThread::run (this=0x3e18aa0) at
scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff9846add52 in QThreadPrivate::start (arg=0x3e18aa0) at
thread/qthread_unix.cpp:361
#10 0x00007ff98113d96a in start_thread (arg=0x7ff9441c5700) at
pthread_create.c:463
#11 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7ff95173e700 (LWP 768)):
#0  0x00007ff97de9b8d9 in g_source_iter_next (iter=iter@entry=0x7ff95173db10,
source=source@entry=0x7ff95173db08) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:969
#1  0x00007ff97de9e2f2 in g_main_context_check
(context=context@entry=0x7ff94c000bf0, max_priority=2147483647,
fds=fds@entry=0x7ff94c005480, n_fds=n_fds@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3733
#2  0x00007ff97de9e970 in g_main_context_iterate
(context=context@entry=0x7ff94c000bf0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3917
#3  0x00007ff97de9eadc in g_main_context_iteration (context=0x7ff94c000bf0,
may_block=may_block@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3981
#4  0x00007ff98488bf7b in QEventDispatcherGlib::processEvents
(this=0x7ff94c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007ff98483949b in QEventLoop::exec (this=this@entry=0x7ff95173dce0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007ff9846acb26 in QThread::exec (this=this@entry=0x7ff96400ccf0) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007ff988842ee6 in QQuickPixmapReader::run (this=0x7ff96400ccf0) at
util/qquickpixmapcache.cpp:953
#8  0x00007ff9846add52 in QThreadPrivate::start (arg=0x7ff96400ccf0) at
thread/qthread_unix.cpp:361
#9  0x00007ff98113d96a in start_thread (arg=0x7ff95173e700) at
pthread_create.c:463
#10 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff95f443700 (LWP 767)):
#0  0x00007ff98114456c in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x1f947fc) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x1f947a8, cond=0x1f947d0)
at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x1f947d0, mutex=0x1f947a8) at
pthread_cond_wait.c:655
#3  0x00007ff95f623fe3 in cnd_wait (mtx=0x1f947a8, cond=0x1f947d0) at
../mesa-18.3.5/src/../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x1f90130) at
../mesa-18.3.5/src/util/u_queue.c:270
#5  0x00007ff95f623d37 in impl_thrd_routine (p=<optimized out>) at
../mesa-18.3.5/src/../include/c11/threads_posix.h:87
#6  0x00007ff98113d96a in start_thread (arg=0x7ff95f443700) at
pthread_create.c:463
#7  0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff96b9d5700 (LWP 714)):
#0  0x00007ff983f1a5f3 in __GI___poll (fds=0x7ff960004a00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff97de9e9c9 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff960004a00, timeout=<optimized out>, context=0x7ff960000bf0)
at /var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:4221
#2  g_main_context_iterate (context=context@entry=0x7ff960000bf0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3915
#3  0x00007ff97de9eadc in g_main_context_iteration (context=0x7ff960000bf0,
may_block=may_block@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3981
#4  0x00007ff98488bf7b in QEventDispatcherGlib::processEvents
(this=0x7ff960000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007ff98483949b in QEventLoop::exec (this=this@entry=0x7ff96b9d4d00,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007ff9846acb26 in QThread::exec (this=this@entry=0x1dd8f00) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007ff98837bbf5 in QQmlThreadPrivate::run (this=0x1dd8f00) at
qml/ftw/qqmlthread.cpp:148
#8  0x00007ff9846add52 in QThreadPrivate::start (arg=0x1dd8f00) at
thread/qthread_unix.cpp:361
#9  0x00007ff98113d96a in start_thread (arg=0x7ff96b9d5700) at
pthread_create.c:463
#10 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff971419700 (LWP 665)):
#0  0x00007ff983f15cf0 in __GI___libc_read (fd=7, buf=buf@entry=0x7ff971418ad0,
nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007ff97dee4390 in read (__nbytes=16, __buf=0x7ff971418ad0,
__fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x1d519b0) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gwakeup.c:210
#3  0x00007ff97de9e4b7 in g_main_context_check
(context=context@entry=0x7ff964000bf0, max_priority=2147483647,
fds=fds@entry=0x7ff964004db0, n_fds=n_fds@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3698
#4  0x00007ff97de9e970 in g_main_context_iterate
(context=context@entry=0x7ff964000bf0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3917
#5  0x00007ff97de9eadc in g_main_context_iteration (context=0x7ff964000bf0,
may_block=may_block@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3981
#6  0x00007ff98488bf7b in QEventDispatcherGlib::processEvents
(this=0x7ff964000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007ff98483949b in QEventLoop::exec (this=this@entry=0x7ff971418cf0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007ff9846acb26 in QThread::exec (this=this@entry=0x7ff985ac2d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007ff98584a495 in QDBusConnectionManager::run (this=0x7ff985ac2d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#10 0x00007ff9846add52 in QThreadPrivate::start (arg=0x7ff985ac2d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#11 0x00007ff98113d96a in start_thread (arg=0x7ff971419700) at
pthread_create.c:463
#12 0x00007ff983f261bf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff98aa2d340 (LWP 616)):
[KCrash Handler]
#7  0x00007ff984874e26 in qNumVariantToHelper<int> (handlerManager=...,
val=<error reading variable>, ok=0x7fff8f0c002f, d=...) at
kernel/qvariant.cpp:3140
#8  QVariant::toInt (this=0x6e6f, ok=0x7fff8f0c002f) at
kernel/qvariant.cpp:3140
#9  0x00007ff9693bc58a in
TaskManager::VirtualDesktopInfo::XWindowPrivate::requestActivate
(this=<optimized out>, desktop=...) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.15.3/work/plasma-workspace-5.15.3/libtaskmanager/virtualdesktopinfo.cpp:176
#10 0x00007ff94acb22e7 in PagerModel::changePage (this=<optimized out>, page=2)
at
/var/tmp/portage/kde-plasma/plasma-desktop-5.15.3/work/plasma-desktop-5.15.3/applets/pager/plugin/pagermodel.cpp:562
#11 0x00007ff94acb2ec4 in PagerModel::qt_metacall (this=0x3cd77f0,
_c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7fff8f0c0210) at
applets/pager/pagerplugin_autogen/include/moc_pagermodel.cpp:353
#12 0x00007ff988321c1d in QQmlObjectOrGadget::metacall
(this=this@entry=0x7fff8f0c0550, type=type@entry=QMetaObject::InvokeMetaMethod,
index=<optimized out>, index@entry=67, argv=<optimized out>) at
../../include/QtQml/5.12.2/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:335
#13 0x00007ff98822a061 in CallMethod (object=..., index=<optimized out>,
returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized
out>, engine=engine@entry=0x1dd6c60, callArgs=<optimized out>,
callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1229
#14 0x00007ff98822b525 in CallPrecise (object=..., data=...,
engine=engine@entry=0x1dd6c60, callArgs=callArgs@entry=0x7ff96ad965c0,
callType=callType@entry=QMetaObject::InvokeMetaMethod) at
../../include/QtQml/5.12.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:214
#15 0x00007ff98822c186 in QV4::QObjectMethod::callInternal (this=<optimized
out>, thisObject=0x7ff96ad96558, argv=<optimized out>, argc=<optimized out>) at
jsruntime/qv4qobjectwrapper.cpp:2052
#16 0x00007ff9882b1865 in QV4::FunctionObject::call (argc=1,
argv=0x7ff96ad96570, thisObject=0x7ff96ad96558, this=<optimized out>) at
jsruntime/qv4functionobject_p.h:172
#17 QV4::Runtime::method_callProperty (engine=0x1dd6c60, base=<optimized out>,
nameIndex=312, argv=0x7ff96ad96570, argc=<optimized out>) at
jsruntime/qv4runtime.cpp:1391
#18 0x00007ff9882442c4 in QV4::Moth::VME::interpret (frame=0x7fff8f0c08c0,
engine=0x1dd6c60, code=0x7ff95c0566f4 "\016\002") at
jsruntime/qv4vme_moth.cpp:719
#19 0x00007ff988249057 in QV4::Moth::VME::exec
(frame=frame@entry=0x7fff8f0c08c0, engine=engine@entry=0x1dd6c60) at
jsruntime/qv4vme_moth.cpp:441
#20 0x00007ff9881dd85b in QV4::Function::call (this=this@entry=0x3cd43a0,
thisObject=<optimized out>, argv=argv@entry=0x7ff96ad96500, argc=<optimized
out>, context=<optimized out>) at jsruntime/qv4function.cpp:68
#21 0x00007ff98834a847 in QQmlJavaScriptExpression::evaluate
(this=this@entry=0x3cdd5d0, callData=callData@entry=0x7ff96ad964d0,
isUndefined=isUndefined@entry=0x0) at
../../include/QtQml/5.12.2/QtQml/private/../../../../../src/qml/jsruntime/qv4value_p.h:177
#22 0x00007ff9882ee6df in QQmlBoundSignalExpression::evaluate (this=<optimized
out>, a=0x0) at
../../include/QtQml/5.12.2/QtQml/private/../../../../../src/qml/jsruntime/qv4jscall_p.h:95
#23 0x00007ff9882ef87b in QQmlBoundSignal_callback (e=0x3cddee0, a=0x0) at
../../include/QtQml/5.12.2/QtQml/private/../../../../../src/qml/qml/qqmlboundsignalexpressionpointer_p.h:69
#24 0x00007ff98832c303 in QQmlNotifier::emitNotify (endpoint=<optimized out>,
a=a@entry=0x0) at qml/qqmlnotifier.cpp:104
#25 0x00007ff9882d14aa in QQmlData::signalEmitted (object=0x3cde920, index=3,
a=0x0) at qml/qqmlengine.cpp:883
#26 0x00007ff984861c2f in QMetaObject::activate (sender=0x3cde920,
signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at
kernel/qobject.h:121
#27 0x00007ff9883cd9ba in QQmlTimer::event (this=0x3cde920, e=<optimized out>)
at types/qqmltimer.cpp:340
#28 0x00007ff9860ac8f1 in QApplicationPrivate::notify_helper
(this=this@entry=0x1cee330, receiver=receiver@entry=0x3cde920,
e=e@entry=0x23fe320) at kernel/qapplication.cpp:3736
#29 0x00007ff9860b3f08 in QApplication::notify (this=0x7fff8f0c3310,
receiver=0x3cde920, e=0x23fe320) at kernel/qapplication.cpp:3483
#30 0x00007ff98483a4c2 in QCoreApplication::notifyInternal2
(receiver=0x3cde920, event=0x23fe320) at kernel/qcoreapplication.cpp:1060
#31 0x00007ff98483d627 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x1ce36b0) at
kernel/qcoreapplication.cpp:1799
#32 0x00007ff98488c1c3 in postEventSourceDispatch (s=s@entry=0x1d3b630) at
kernel/qeventdispatcher_glib.cpp:276
#33 0x00007ff97de9e817 in g_main_dispatch (context=0x7ff96c004ff0) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3182
#34 g_main_context_dispatch (context=context@entry=0x7ff96c004ff0) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3847
#35 0x00007ff97de9ea50 in g_main_context_iterate
(context=context@entry=0x7ff96c004ff0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3920
#36 0x00007ff97de9eadc in g_main_context_iteration (context=0x7ff96c004ff0,
may_block=may_block@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3981
#37 0x00007ff98488bf63 in QEventDispatcherGlib::processEvents (this=0x1d4b770,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007ff98483949b in QEventLoop::exec (this=this@entry=0xa7e9eb0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#39 0x00007ff984e26cc3 in QBasicDrag::drag (this=0x1d2a5b0, o=<optimized out>)
at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#40 0x00007ff984e24545 in QDragManager::drag (this=0xa953eb0, o=0xa801590) at
kernel/qdnd.cpp:117
#41 0x00007ff984e247fb in QDrag::exec (this=0xa801590, supportedActions=...,
defaultDropAction=<optimized out>) at kernel/qdrag.cpp:282
#42 0x00007ff94a89151e in DragHelper::startDragInternal (this=0x3c8b3b0,
item=<optimized out>, mimeType=..., mimeData=..., url=..., icon=...) at
/var/tmp/portage/kde-plasma/plasma-desktop-5.15.3/work/plasma-desktop-5.15.3/applets/taskmanager/plugin/draghelper.cpp:88
#43 0x00007ff984862e2a in QObject::event (this=0x3c8b3b0, e=<optimized out>) at
kernel/qobject.cpp:1260
#44 0x00007ff9860ac8f1 in QApplicationPrivate::notify_helper
(this=this@entry=0x1cee330, receiver=receiver@entry=0x3c8b3b0,
e=e@entry=0x7ff96c015a50) at kernel/qapplication.cpp:3736
#45 0x00007ff9860b3f08 in QApplication::notify (this=0x7fff8f0c3310,
receiver=0x3c8b3b0, e=0x7ff96c015a50) at kernel/qapplication.cpp:3483
#46 0x00007ff98483a4c2 in QCoreApplication::notifyInternal2
(receiver=0x3c8b3b0, event=0x7ff96c015a50) at kernel/qcoreapplication.cpp:1060
#47 0x00007ff98483d627 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x1ce36b0) at
kernel/qcoreapplication.cpp:1799
#48 0x00007ff98488c1c3 in postEventSourceDispatch (s=s@entry=0x1d3b630) at
kernel/qeventdispatcher_glib.cpp:276
#49 0x00007ff97de9e817 in g_main_dispatch (context=0x7ff96c004ff0) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3182
#50 g_main_context_dispatch (context=context@entry=0x7ff96c004ff0) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3847
#51 0x00007ff97de9ea50 in g_main_context_iterate
(context=context@entry=0x7ff96c004ff0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3920
#52 0x00007ff97de9eadc in g_main_context_iteration (context=0x7ff96c004ff0,
may_block=may_block@entry=1) at
/var/tmp/portage/dev-libs/glib-2.58.3/work/glib-2.58.3/glib/gmain.c:3981
#53 0x00007ff98488bf63 in QEventDispatcherGlib::processEvents (this=0x1d4b770,
flags=...) at kernel/qeventdispatcher_glib.cpp:422
#54 0x00007ff98483949b in QEventLoop::exec (this=this@entry=0x7fff8f0c3210,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#55 0x00007ff984841362 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#56 0x0000000000424e73 in main (argc=<optimized out>, argv=<optimized out>) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.15.3/work/plasma-workspace-5.15.3/shell/main.cpp:212
[Inferior 1 (process 616) detached]

Reported using DrKonqi

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