STEPS TO REPRODUCE
1. start Wayland session
2. click on sound icon in systray
3. click on any hamburger menu
4. while the hamburger menu is open, click on "Audio volume" header
5. right click on sound icon in systray

Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.16.80
KDE Frameworks Version: 5.61.0
Qt Version: 5.12.3


Thread 11 (Thread 0x7fefbddfc700 (LWP 4075)):
#0  0x00007ff022db1bf9 in __GI___poll (fds=0x56255f20c830, nfds=2, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff01d0395c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff01d0396dc in g_main_context_iteration ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff01d039721 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff01d061195 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff0203f46db in start_thread (arg=0x7fefbddfc700) at pthread_create.c:463
#6  0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7feff54c3700 (LWP 4059)):
#0  0x00007ff0203fa9f3 in futex_wait_cancelable (private=<optimized out>, 
    expected=0, futex_word=0x56255b55d7e0)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x56255b55d790, 
    cond=0x56255b55d7b8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x56255b55d7b8, mutex=0x56255b55d790)
    at pthread_cond_wait.c:655
#3  0x00007ff0234c5dbb in QWaitConditionPrivate::wait (deadline=..., 
    this=0x56255b55d790) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x56255b2e89d0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff0234c60c9 in QWaitCondition::wait (this=this@entry=0x56255b2e89d8, 
    mutex=mutex@entry=0x56255b2e89d0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007ff0278176f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, 
    this=0x56255b2e89c8) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x56255b2e8950)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff027817b2a in QSGRenderThread::run (this=0x56255b2e8950)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x56255b2e8950)
    at thread/qthread_unix.cpp:361
#10 0x00007ff0203f46db in start_thread (arg=0x7feff54c3700) at pthread_create.c:463
#11 0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fefaffff700 (LWP 4115)):
#0  0x00007ff0203fa9f3 in futex_wait_cancelable (private=<optimized out>, 
    expected=0, futex_word=0x56255f39ac50)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x56255f39ac00, 
    cond=0x56255f39ac28) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x56255f39ac28, mutex=0x56255f39ac00)
    at pthread_cond_wait.c:655
#3  0x00007ff0234c5dbb in QWaitConditionPrivate::wait (deadline=..., 
    this=0x56255f39ac00) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x562560cc2780, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff0234c60c9 in QWaitCondition::wait (this=this@entry=0x562560cc2788, 
    mutex=mutex@entry=0x562560cc2780, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007ff0278176f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, 
    this=0x562560cc2778) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x562560cc2700)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff027817b2a in QSGRenderThread::run (this=0x562560cc2700)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x562560cc2700)
    at thread/qthread_unix.cpp:361
#10 0x00007ff0203f46db in start_thread (arg=0x7fefaffff700) at pthread_create.c:463
#11 0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fefaf7fe700 (LWP 4114)):
#0  0x00007ff0203fa9f3 in futex_wait_cancelable (private=<optimized out>, 
    expected=0, futex_word=0x56255f22a490)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x56255f22a440, 
    cond=0x56255f22a468) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x56255f22a468, mutex=0x56255f22a440)
    at pthread_cond_wait.c:655
#3  0x00007ff0234c5dbb in QWaitConditionPrivate::wait (deadline=..., 
    this=0x56255f22a440) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x56255bd63d10, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff0234c60c9 in QWaitCondition::wait (this=this@entry=0x56255bd63d18, 
    mutex=mutex@entry=0x56255bd63d10, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007ff0278176f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, 
    this=0x56255bd63d08) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x56255bd63c90)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff027817b2a in QSGRenderThread::run (this=0x56255bd63c90)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x56255bd63c90)
    at thread/qthread_unix.cpp:361
#10 0x00007ff0203f46db in start_thread (arg=0x7fefaf7fe700) at pthread_create.c:463
#11 0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fefbec9b700 (LWP 4074)):
#0  0x00007ff022db1bf9 in __GI___poll (fds=0x7fefb8004a10, nfds=1, timeout=9991)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff01d0395c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff01d0396dc in g_main_context_iteration ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff0236f4daf in QEventDispatcherGlib::processEvents (this=0x7fefb8000b20, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4  0x00007ff02369603a in QEventLoop::exec (this=this@entry=0x7fefbec9ada0, 
    flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007ff0234bd4ca in QThread::exec (this=<optimized out>)
    at thread/qthread.cpp:531
#6  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x56255f1e9fb0)
    at thread/qthread_unix.cpp:361
#7  0x00007ff0203f46db in start_thread (arg=0x7fefbec9b700) at pthread_create.c:463
#8  0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fefd26d7700 (LWP 4069)):
#0  0x00007ff0203fa9f3 in futex_wait_cancelable (private=<optimized out>, 
    expected=0, futex_word=0x56255c4e6024)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x56255c4e5fd0, 
    cond=0x56255c4e5ff8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x56255c4e5ff8, mutex=0x56255c4e5fd0)
    at pthread_cond_wait.c:655
#3  0x00007ff0234c5dbb in QWaitConditionPrivate::wait (deadline=..., 
    this=0x56255c4e5fd0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x56255ca4ec00, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#5  0x00007ff0234c60c9 in QWaitCondition::wait (this=this@entry=0x56255ca4ec08, 
    mutex=mutex@entry=0x56255ca4ec00, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007ff0278176f8 in QSGRenderThreadEventQueue::takeEvent (wait=true, 
    this=0x56255ca4ebf8) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x56255ca4eb80)
    at scenegraph/qsgthreadedrenderloop.cpp:710
#8  0x00007ff027817b2a in QSGRenderThread::run (this=0x56255ca4eb80)
    at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x56255ca4eb80)
    at thread/qthread_unix.cpp:361
#10 0x00007ff0203f46db in start_thread (arg=0x7fefd26d7700) at pthread_create.c:463
#11 0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7feff748a700 (LWP 4053)):
#0  0x00007ff0203faed9 in futex_reltimed_wait_cancelable (private=<optimized out>, 
    reltime=0x7feff7489be0, expected=0, futex_word=0x56255b4e2c44)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7feff7489ca0, mutex=0x56255b4e2bf0, 
    cond=0x56255b4e2c18) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x56255b4e2c18, mutex=0x56255b4e2bf0, 
    abstime=0x7feff7489ca0) at pthread_cond_wait.c:667
#3  0x00007ff0234c5d36 in QWaitConditionPrivate::wait_relative (
    this=0x56255b4e2bf0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x56255b4e2bf0)
    at thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=<optimized out>, mutex=0x56255b501ce0, deadline=...)
    at thread/qwaitcondition_unix.cpp:225
#6  0x00007ff0234c6096 in QWaitCondition::wait (this=this@entry=0x56255b4ed070, 
    mutex=mutex@entry=0x56255b501ce0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ff0234c3740 in QThreadPoolThread::run (this=0x56255b4ed060)
    at thread/qthreadpool.cpp:139
#8  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x56255b4ed060)
    at thread/qthread_unix.cpp:361
#9  0x00007ff0203f46db in start_thread (arg=0x7feff748a700) at pthread_create.c:463
#10 0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff0049f5700 (LWP 4051)):
#0  0x00007ff0203fa9f3 in futex_wait_cancelable (private=<optimized out>, 
    expected=0, futex_word=0x56255abbf2cc)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x56255abbf278, 
    cond=0x56255abbf2a0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x56255abbf2a0, mutex=0x56255abbf278)
    at pthread_cond_wait.c:655
#3  0x00007ff005e1a3da in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007ff005e1a107 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007ff0203f46db in start_thread (arg=0x7ff0049f5700) at pthread_create.c:463
#6  0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff00f1e2700 (LWP 4050)):
#0  0x00007ff022db1bf9 in __GI___poll (fds=0x7ff008004e00, nfds=1, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff01d0395c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff01d0396dc in g_main_context_iteration ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff0236f4daf in QEventDispatcherGlib::processEvents (this=0x7ff008000b20, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4  0x00007ff02369603a in QEventLoop::exec (this=this@entry=0x7ff00f1e1d80, 
    flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007ff0234bd4ca in QThread::exec (this=this@entry=0x56255ac565b0)
    at thread/qthread.cpp:531
#6  0x00007ff0272cc115 in QQmlThreadPrivate::run (this=0x56255ac565b0)
    at qml/ftw/qqmlthread.cpp:148
#7  0x00007ff0234bec72 in QThreadPrivate::start (arg=0x56255ac565b0)
    at thread/qthread_unix.cpp:361
#8  0x00007ff0203f46db in start_thread (arg=0x7ff00f1e2700) at pthread_create.c:463
#9  0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff014cce700 (LWP 4049)):
#0  0x00007ff022dad0b4 in __GI___libc_read (fd=5, buf=0x7ff014ccdb60, nbytes=16)
    at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007ff01d07e2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff01d0390b7 in g_main_context_check ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff01d039570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff01d0396dc in g_main_context_iteration ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff0236f4dcb in QEventDispatcherGlib::processEvents (this=0x7ff010000b20, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007ff02369603a in QEventLoop::exec (this=this@entry=0x7ff014ccdd70, 
    flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007ff0234bd4ca in QThread::exec (
    this=this@entry=0x7ff024a17d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:531
#8  0x00007ff0247a0015 in QDBusConnectionManager::run (
    this=0x7ff024a17d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#9  0x00007ff0234bec72 in QThreadPrivate::start (
    arg=0x7ff024a17d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361
#10 0x00007ff0203f46db in start_thread (arg=0x7ff014cce700) at pthread_create.c:463
#11 0x00007ff022dbe88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff0299c0800 (LWP 4044)):
#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007ff0263f3c03 in KCrash::defaultCrashHandler(int) ()
   from /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5
#2  <signal handler called>
#3  0x00007feff687d0d8 in QtWaylandClient::QWaylandXdgSurface::setGrabPopup (
    this=0x5625622ea570, parent=0x56255b5a6230, device=0x56255ab7c5a0, serial=2575)
    at qwaylandxdgshell.cpp:371
#4  0x00007feff687d8fa in QtWaylandClient::QWaylandXdgShell::getXdgSurface (
    this=0x56255b4f7800, window=0x56255f216bf0) at qwaylandxdgshell.cpp:420
#5  0x00007ff016fbe9c4 in QtWaylandClient::QWaylandWindow::initWindow (
    this=this@entry=0x56255f216bf0) at qwaylandwindow.cpp:142
#6  0x00007ff016fbeff4 in QtWaylandClient::QWaylandWindow::setVisible (
    this=this@entry=0x56255f216bf0, visible=<optimized out>)
    at qwaylandwindow.cpp:389
#7  0x00007ff00c6459b4 in QtWaylandClient::QWaylandEglWindow::setVisible (
    this=0x56255f216bf0, visible=<optimized out>)
    at ../../../../hardwareintegration/client/wayland-egl/qwaylandeglwindow.cpp:168
#8  0x00007ff023c6c234 in QWindowPrivate::setVisible (this=0x562560cdffa0, 
    visible=visible@entry=true) at kernel/qwindow.cpp:402
#9  0x00007ff025050dbd in QWidgetWindow::setNativeWindowVisibility (
    this=this@entry=0x7ff01006d4f0, visible=visible@entry=true)
    at kernel/qwidgetwindow.cpp:205
#10 0x00007ff02502b366 in QWidgetPrivate::show_sys (this=this@entry=0x56255f392ae0)
    at kernel/qwidget.cpp:8156
#11 0x00007ff0250343cb in QWidgetPrivate::show_helper (
    this=this@entry=0x56255f392ae0) at kernel/qwidget.cpp:8079
#12 0x00007ff025037523 in QWidgetPrivate::setVisible (this=0x56255f392ae0, 
    visible=<optimized out>) at kernel/qwidget.cpp:8381
#13 0x00007ff02516c720 in QMenu::popup (this=this@entry=0x56255e4caf70, p=..., 
    atAction=atAction@entry=0x0) at widgets/qmenu.cpp:2580
#14 0x00007ff00c854778 in SystemTray::showPlasmoidMenu (this=<optimized out>, 
    appletInterface=0x56255bf3b450, x=<optimized out>, y=<optimized out>)
    at ./applets/systemtray/systemtray.cpp:222
#15 0x00007ff00c85af18 in SystemTray::qt_static_metacall (_o=_o@entry=
    0x56255aecc8f0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, 
    _a=_a@entry=0x7fff5b445410)
    at ./obj-x86_64-linux-gnu/applets/systemtray/org.kde.plasma.private.systemtray_autogen/EWIEGA46WW/moc_systemtray.cpp:154
#16 0x00007ff00c85b2e5 in SystemTray::qt_metacall (this=0x56255aecc8f0, 
    _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff5b445410)
    at ./obj-x86_64-linux-gnu/applets/systemtray/org.kde.plasma.private.systemtray_autogen/EWIEGA46WW/moc_systemtray.cpp:248
#17 0x00007ff02726eb09 in QQmlObjectOrGadget::metacall (
    this=this@entry=0x7fff5b445750, type=type@entry=QMetaObject::InvokeMetaMethod, 
    index=<optimized out>, index@entry=57, argv=<optimized out>)
    at qml/qqmlpropertycache.cpp:1770
#18 0x00007ff027176175 in CallMethod (object=..., index=<optimized out>, 
    returnType=returnType@entry=43, argCount=<optimized out>, 
    argTypes=<optimized out>, engine=engine@entry=0x56255ac4e530, 
    callArgs=<optimized out>, callType=<optimized out>)
    at jsruntime/qv4qobjectwrapper.cpp:1296
#19 0x00007ff027177c9e in CallPrecise (object=..., data=..., 
    engine=engine@entry=0x56255ac4e530, callArgs=callArgs@entry=0x7ff00e5a36c8, 
    callType=callType@entry=QMetaObject::InvokeMetaMethod)
    at jsruntime/qv4qobjectwrapper.cpp:1558
#20 0x00007ff027178931 in QV4::QObjectMethod::callInternal (this=<optimized out>, 
    thisObject=0x7ff00e5a3668, argv=<optimized out>, argc=<optimized out>)
    at jsruntime/qv4qobjectwrapper.cpp:2119
#21 0x00007ff027193153 in QV4::FunctionObject::call (argc=<optimized out>, 
    argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>)
    at ../../include/QtQml/5.12.3/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:202
#22 QV4::Moth::VME::interpret (frame=0x7fff5b445a50, engine=0x56255ac4e530, 
    code=0x7feff40396a9 <error: Não é possível acessar a memória no endereço 0x7feff40396a9>) at jsruntime/qv4vme_moth.cpp:732
#23 0x00007ff027196406 in QV4::Moth::VME::exec (frame=frame@entry=0x7fff5b445a50, 
    engine=engine@entry=0x56255ac4e530) at jsruntime/qv4vme_moth.cpp:441
#24 0x00007ff02712552b in QV4::Function::call (this=this@entry=0x56255bf45ee0, 
    thisObject=thisObject@entry=0x7ff00e5a3608, argv=argv@entry=0x7ff00e5a3620, 
    argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:68
#25 0x00007ff0272985f7 in QQmlJavaScriptExpression::evaluate (
    this=this@entry=0x56255bf68c90, callData=callData@entry=0x7ff00e5a35f0, 
    isUndefined=isUndefined@entry=0x0) at qml/qqmljavascriptexpression.cpp:211
#26 0x00007ff02723c8e9 in QQmlBoundSignalExpression::evaluate (
    this=this@entry=0x56255bf68c90, a=a@entry=0x7fff5b447ab0)
    at qml/qqmlboundsignal.cpp:225
#27 0x00007ff02723dc6b in QQmlBoundSignal_callback (e=0x56255bf668a0, 
    a=0x7fff5b447ab0) at qml/qqmlboundsignal.cpp:358
#28 0x00007ff027278c12 in QQmlNotifier::emitNotify (endpoint=<optimized out>, 
    a=a@entry=0x7fff5b447ab0) at qml/qqmlnotifier.cpp:104
#29 0x00007ff02721e8e9 in QQmlData::signalEmitted (object=0x56255bf61210, 
    index=<optimized out>, a=0x7fff5b447ab0) at qml/qqmlengine.cpp:883
#30 0x00007ff0236c70af in QMetaObject::activate (sender=0x56255bf61210, 
    signalOffset=<optimized out>, local_signal_index=<optimized out>, 
    argv=argv@entry=0x7fff5b447ab0) at kernel/qobject.cpp:3664
#31 0x00007ff027218c35 in QQmlVMEMetaObject::activate (
    this=this@entry=0x56255bf55030, object=<optimized out>, index=index@entry=76, 
    args=args@entry=0x7fff5b447ab0) at qml/qqmlvmemetaobject.cpp:1246
#32 0x00007ff02721aea8 in QQmlVMEMetaObject::metaCall (this=0x56255bf55030, 
    o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=76, a=0x7fff5b447ab0)
    at qml/qqmlvmemetaobject.cpp:922
#33 0x00007ff027219f99 in QQmlVMEMetaObject::metaCall (this=0x56255bf66c10, 
    o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=76, a=0x7fff5b447ab0)
    at qml/qqmlvmemetaobject.cpp:979
#34 0x00007ff02726eb09 in QQmlObjectOrGadget::metacall (
    this=this@entry=0x7fff5b447df0, type=type@entry=QMetaObject::InvokeMetaMethod, 
    index=<optimized out>, index@entry=76, argv=<optimized out>)
    at qml/qqmlpropertycache.cpp:1770
#35 0x00007ff027176175 in CallMethod (object=..., index=<optimized out>, 
    returnType=returnType@entry=43, argCount=<optimized out>, 
    argTypes=<optimized out>, engine=engine@entry=0x56255ac4e530, 
    callArgs=<optimized out>, callType=<optimized out>)
    at jsruntime/qv4qobjectwrapper.cpp:1296
#36 0x00007ff027177c9e in CallPrecise (object=..., data=..., 
    engine=engine@entry=0x56255ac4e530, callArgs=callArgs@entry=0x7ff00e5a35a8, 
    callType=callType@entry=QMetaObject::InvokeMetaMethod)
    at jsruntime/qv4qobjectwrapper.cpp:1558
#37 0x00007ff027178931 in QV4::QObjectMethod::callInternal (this=<optimized out>, 
    thisObject=0x7ff00e5a3558, argv=<optimized out>, argc=<optimized out>)
    at jsruntime/qv4qobjectwrapper.cpp:2119
#38 0x00007ff027193153 in QV4::FunctionObject::call (argc=<optimized out>, 
    argv=<optimized out>, thisObject=<optimized out>, this=<optimized out>)
    at ../../include/QtQml/5.12.3/QtQml/private/../../../../../src/qml/jsruntime/qv4functionobject_p.h:202
#39 QV4::Moth::VME::interpret (frame=0x7fff5b4480f0, engine=0x56255ac4e530, 
    code=0x7feff404db34 <error: Não é possível acessar a memória no endereço 0x7feff404db34>) at jsruntime/qv4vme_moth.cpp:732
#40 0x00007ff027196406 in QV4::Moth::VME::exec (frame=frame@entry=0x7fff5b4480f0, 
    engine=engine@entry=0x56255ac4e530) at jsruntime/qv4vme_moth.cpp:441
#41 0x00007ff02712552b in QV4::Function::call (this=this@entry=0x56255bf60b20, 
    thisObject=thisObject@entry=0x7ff00e5a34f0, argv=argv@entry=0x7ff00e5a3508, 
    argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:68
#42 0x00007ff0272985f7 in QQmlJavaScriptExpression::evaluate (
    this=this@entry=0x56255bf83270, callData=callData@entry=0x7ff00e5a34d8, 
    isUndefined=isUndefined@entry=0x0) at qml/qqmljavascriptexpression.cpp:211
#43 0x00007ff02723c8e9 in QQmlBoundSignalExpression::evaluate (
    this=this@entry=0x56255bf83270, a=a@entry=0x7fff5b449e80)
    at qml/qqmlboundsignal.cpp:225
#44 0x00007ff02723dc6b in QQmlBoundSignal_callback (e=0x56255bf633c0, 
    a=0x7fff5b449e80) at qml/qqmlboundsignal.cpp:358
#45 0x00007ff027278c12 in QQmlNotifier::emitNotify (endpoint=<optimized out>, 
    a=a@entry=0x7fff5b449e80) at qml/qqmlnotifier.cpp:104
#46 0x00007ff02721e8e9 in QQmlData::signalEmitted (object=0x56255bf637a0, 
    index=<optimized out>, a=0x7fff5b449e80) at qml/qqmlengine.cpp:883
#47 0x00007ff0236c70af in QMetaObject::activate (
    sender=sender@entry=0x56255bf637a0, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=13, argv=argv@entry=0x7fff5b449e80)
    at kernel/qobject.cpp:3664
#48 0x00007ff0236c7f47 in QMetaObject::activate (
    sender=sender@entry=0x56255bf637a0, 
    m=m@entry=0x7ff027ce9d60 <QQuickMouseArea::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=13, argv=argv@entry=0x7fff5b449e80)
    at kernel/qobject.cpp:3648
#49 0x00007ff0278ee812 in QQuickMouseArea::pressed (this=this@entry=0x56255bf637a0, 
    _t1=<optimized out>, _t1@entry=0x56255bf506f8)
    at .moc/moc_qquickmousearea_p.cpp:645
#50 0x00007ff0278f01a3 in QQuickMouseArea::setPressed (
    this=this@entry=0x56255bf637a0, button=<optimized out>, p=p@entry=true, 
    source=<optimized out>) at items/qquickmousearea.cpp:1217
#51 0x00007ff0278f0adb in QQuickMouseArea::mousePressEvent (this=0x56255bf637a0, 
    event=0x7fff5b44aa20) at items/qquickmousearea.cpp:695
#52 0x00007ff027859648 in QQuickItem::event (this=0x56255bf637a0, ev=0x7fff5b44aa20)
    at items/qquickitem.cpp:8096
#53 0x00007ff024ff765c in QApplicationPrivate::notify_helper (
    this=this@entry=0x56255ab779e0, receiver=receiver@entry=0x56255bf637a0, 
    e=e@entry=0x7fff5b44aa20) at kernel/qapplication.cpp:3736
#54 0x00007ff024ffeb90 in QApplication::notify (this=0x7fff5b44aee0, 
    receiver=0x56255bf637a0, e=0x7fff5b44aa20) at kernel/qapplication.cpp:3483
#55 0x00007ff023697d18 in QCoreApplication::notifyInternal2 (
    receiver=0x56255bf637a0, event=0x7fff5b44aa20)
    at kernel/qcoreapplication.cpp:1060
#56 0x00007ff023697eee in QCoreApplication::sendEvent (
    receiver=receiver@entry=0x56255bf637a0, event=event@entry=0x7fff5b44aa20)
    at kernel/qcoreapplication.cpp:1450
#57 0x00007ff027871c58 in QQuickWindowPrivate::deliverMatchingPointsToItem (
    this=this@entry=0x56255b553b70, item=0x56255bf637a0, 
    pointerEvent=pointerEvent@entry=0x7ff01007f340, 
    handlersOnly=handlersOnly@entry=false) at items/qquickwindow.cpp:2627
#58 0x00007ff02787298f in QQuickWindowPrivate::deliverPressOrReleaseEvent (
    this=this@entry=0x56255b553b70, event=event@entry=0x7ff01007f340, 
    handlersOnly=handlersOnly@entry=false) at items/qquickwindow.cpp:2587
#59 0x00007ff02787305d in QQuickWindowPrivate::deliverMouseEvent (
    this=this@entry=0x56255b553b70, pointerEvent=0x7ff01007f340)
    at items/qquickwindow.cpp:1806
#60 0x00007ff0278740fb in QQuickWindowPrivate::deliverPointerEvent (
    this=this@entry=0x56255b553b70, event=0x7ff01007f340)
    at items/qquickwindow.cpp:2349
#61 0x00007ff027874d8e in QQuickWindowPrivate::handleMouseEvent (
    this=0x56255b553b70, event=0x7fff5b44aa20) at items/qquickwindow.cpp:2212
#62 0x00007ff023c6c655 in QWindow::event (this=this@entry=0x56255b687ce0, 
    ev=ev@entry=0x7fff5b44aa20) at kernel/qwindow.cpp:2341
#63 0x00007ff027876025 in QQuickWindow::event (this=this@entry=0x56255b687ce0, 
    e=e@entry=0x7fff5b44aa20) at items/qquickwindow.cpp:1675
#64 0x0000562559a385bb in PanelView::event (this=0x56255b687ce0, e=0x7fff5b44aa20)
    at ./shell/panelview.cpp:937
#65 0x00007ff024ff765c in QApplicationPrivate::notify_helper (
    this=this@entry=0x56255ab779e0, receiver=receiver@entry=0x56255b687ce0, 
    e=e@entry=0x7fff5b44aa20) at kernel/qapplication.cpp:3736
#66 0x00007ff024ffeb90 in QApplication::notify (this=0x7fff5b44aee0, 
    receiver=0x56255b687ce0, e=0x7fff5b44aa20) at kernel/qapplication.cpp:3483
#67 0x00007ff023697d18 in QCoreApplication::notifyInternal2 (
    receiver=0x56255b687ce0, event=0x7fff5b44aa20)
    at kernel/qcoreapplication.cpp:1060
#68 0x00007ff023697efe in QCoreApplication::sendSpontaneousEvent (
    receiver=receiver@entry=0x56255b687ce0, event=event@entry=0x7fff5b44aa20)
    at kernel/qcoreapplication.cpp:1462
#69 0x00007ff023c611fb in QGuiApplicationPrivate::processMouseEvent (
    e=0x562560ce37d0) at kernel/qguiapplication.cpp:2102
#70 0x00007ff023c62365 in QGuiApplicationPrivate::processWindowSystemEvent (
    e=e@entry=0x562560ce37d0) at kernel/qguiapplication.cpp:1837
#71 0x00007ff023c3ab4b in QWindowSystemInterface::sendWindowSystemEvents (flags=...)
    at kernel/qwindowsysteminterface.cpp:1151
#72 0x00007ff016fe8000 in userEventSourceDispatch(_GSource*, int (*)(void*), void*)
    () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#73 0x00007ff01d039417 in g_main_context_dispatch ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#74 0x00007ff01d039650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007ff01d0396dc in g_main_context_iteration ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007ff0236f4daf in QEventDispatcherGlib::processEvents (this=0x56255aba85c0, 
    flags=...) at kernel/qeventdispatcher_glib.cpp:422
#77 0x00007ff02369603a in QEventLoop::exec (this=this@entry=0x7fff5b44adc0, 
    flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#78 0x00007ff02369f170 in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:1363
#79 0x0000562559a27fbf in main (argc=<optimized out>, argv=<optimized out>)
    at ./shell/main.cpp:215