Bug 404382

Summary: Plasma crashed in Plasma::Containment::showAddWidgetsInterface() after trying to add widget to panel.
Product: [Plasma] plasmashell Reporter: Sandro Räss <sandro.raess>
Component: Widget ExplorerAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED FIXED    
Severity: crash CC: nate, plasma-bugs, s.raess
Priority: NOR Keywords: drkonqi
Version: 5.15.0   
Target Milestone: 1.0   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Sandro Räss 2019-02-15 09:53:51 UTC 
Application: plasmashell (5.15.0)

Qt Version: 5.12.0
Frameworks Version: 5.55.0
Operating System: Linux 4.15.0-45-generic x86_64
Distribution: KDE neon User Edition 5.15

-- Information about the crash:
I tried to add widgets to the panel. As soon as I press the button "Add Widgets", plasma crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb983f94840 (LWP 17861))]

Thread 7 (Thread 0x7fb92bf8e700 (LWP 20354)):
#0  0x00007fb97d1cfbf9 in __GI___poll (fds=0x7fb924008920, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb977037539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb97703764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb97db1215b in QEventDispatcherGlib::processEvents (this=0x7fb924005830, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb97dab364a in QEventLoop::exec (this=this@entry=0x7fb92bf8dd40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fb97d8db41a in QThread::exec (this=this@entry=0x559cf69cde90) at thread/qthread.cpp:531
#6  0x00007fb9816d32e5 in QQmlThreadPrivate::run (this=0x559cf69cde90) at qml/ftw/qqmlthread.cpp:148
#7  0x00007fb97d8dcbc2 in QThreadPrivate::start (arg=0x559cf69cde90) at thread/qthread_unix.cpp:361
#8  0x00007fb97cc9f6db in start_thread (arg=0x7fb92bf8e700) at pthread_create.c:463
#9  0x00007fb97d1dc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb940aa6700 (LWP 18303)):
#0  0x00007fb97d1cfbf9 in __GI___poll (fds=0x7fb93c003ce0, nfds=1, timeout=2861524) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb977037539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb97703764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb97db1215b in QEventDispatcherGlib::processEvents (this=0x7fb93c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb97dab364a in QEventLoop::exec (this=this@entry=0x7fb940aa5d20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fb97d8db41a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fb943403f77 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fb97d8dcbc2 in QThreadPrivate::start (arg=0x559cf525fe90) at thread/qthread_unix.cpp:361
#8  0x00007fb97cc9f6db in start_thread (arg=0x7fb940aa6700) at pthread_create.c:463
#9  0x00007fb97d1dc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb958c48700 (LWP 17956)):
#0  0x00007fb97cca59f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559cf44789d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x559cf4478988, cond=0x559cf44789b0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x559cf44789b0, mutex=0x559cf4478988) at pthread_cond_wait.c:655
#3  0x00007fb9597a2b1b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fb9597a2847 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fb97cc9f6db in start_thread (arg=0x7fb958c48700) at pthread_create.c:463
#6  0x00007fb97d1dc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb966dbc700 (LWP 17921)):
#0  0x00007fb97d1cb0b4 in __GI___libc_read (fd=10, buf=0x7fb966dbbb30, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fb97707bcd0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb977037027 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb9770374e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb97703764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb97db1215b in QEventDispatcherGlib::processEvents (this=0x7fb95c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fb97dab364a in QEventLoop::exec (this=this@entry=0x7fb966dbbd40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fb97d8db41a in QThread::exec (this=this@entry=0x559cf44810f0) at thread/qthread.cpp:531
#8  0x00007fb9816d32e5 in QQmlThreadPrivate::run (this=0x559cf44810f0) at qml/ftw/qqmlthread.cpp:148
#9  0x00007fb97d8dcbc2 in QThreadPrivate::start (arg=0x559cf44810f0) at thread/qthread_unix.cpp:361
#10 0x00007fb97cc9f6db in start_thread (arg=0x7fb966dbc700) at pthread_create.c:463
#11 0x00007fb97d1dc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb96c973700 (LWP 17901)):
#0  0x00007fb97d1cfbf9 in __GI___poll (fds=0x7fb960004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb977037539 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb97703764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb97db1215b in QEventDispatcherGlib::processEvents (this=0x7fb960000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb97dab364a in QEventLoop::exec (this=this@entry=0x7fb96c972d30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fb97d8db41a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fb97ebb9015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fb97d8dcbc2 in QThreadPrivate::start (arg=0x7fb97ee30d80) at thread/qthread_unix.cpp:361
#8  0x00007fb97cc9f6db in start_thread (arg=0x7fb96c973700) at pthread_create.c:463
#9  0x00007fb97d1dc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb96eb46700 (LWP 17881)):
#0  0x00007fb97d1cfbf9 in __GI___poll (fds=0x7fb96eb45c78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb9827eb747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb9827ed36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb970ccad4a in QXcbEventQueue::run (this=0x559cf43556f0) at qxcbeventqueue.cpp:225
#4  0x00007fb97d8dcbc2 in QThreadPrivate::start (arg=0x559cf43556f0) at thread/qthread_unix.cpp:361
#5  0x00007fb97cc9f6db in start_thread (arg=0x7fb96eb46700) at pthread_create.c:463
#6  0x00007fb97d1dc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb983f94840 (LWP 17861)):
[KCrash Handler]
#6  0x0000559cf3e556d0 in ?? ()
#7  0x00007fb97dae4f3f in QtPrivate::QSlotObjectBase::call (a=0x7ffd8e020080, r=0x559cf4423050, this=0x559cf466c7d0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#8  QMetaObject::activate (sender=0x559cf4659e80, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7ffd8e020080) at kernel/qobject.cpp:3759
#9  0x00007fb97dae54f7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fb9825cbf20 <Plasma::Containment::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7ffd8e020080) at kernel/qobject.cpp:3631
#10 0x00007fb982348725 in Plasma::Containment::showAddWidgetsInterface (this=<optimized out>, _t1=...) at ./obj-x86_64-linux-gnu/src/plasma/KF5Plasma_autogen/include/moc_containment.cpp:445
#11 0x00007fb98235a890 in Plasma::ContainmentPrivate::triggerShowAddWidgets (this=<optimized out>) at ./src/plasma/private/containment_p.cpp:133
#12 0x00007fb98234acc1 in Plasma::Containment::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/src/plasma/KF5Plasma_autogen/include/moc_containment.cpp:189
#13 0x00007fb97dae4e25 in QMetaObject::activate (sender=sender@entry=0x559cf448d920, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd8e020230) at kernel/qobject.cpp:3778
#14 0x00007fb97dae54f7 in QMetaObject::activate (sender=sender@entry=0x559cf448d920, m=m@entry=0x7fb97fae1820 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffd8e020230) at kernel/qobject.cpp:3631
#15 0x00007fb97f4090f2 in QAction::triggered (this=this@entry=0x559cf448d920, _t1=<optimized out>) at .moc/moc_qaction.cpp:380
#16 0x00007fb97f40b70c in QAction::activate (this=0x559cf448d920, event=<optimized out>) at kernel/qaction.cpp:1166
#17 0x0000559cf3e49fcf in ?? ()
#18 0x0000559cf3e4a835 in ?? ()
#19 0x00007fb981678af9 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffd8e0206f0, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=82, argv=argv@entry=0x7ffd8e020400) at qml/qqmlpropertycache.cpp:1735
#20 0x00007fb98157a62b in CallMethod (object=..., index=82, returnType=returnType@entry=43, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, engine=engine@entry=0x559cf7c78580, callArgs=0x7fb929da2800, callType=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1231
#21 0x00007fb98157c522 in CallPrecise (object=..., data=..., engine=engine@entry=0x559cf7c78580, callArgs=callArgs@entry=0x7fb929da2800, callType=callType@entry=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1479
#22 0x00007fb98157d1ff in QV4::QObjectMethod::callInternal (this=<optimized out>, thisObject=0x7fb929da27a0, argv=<optimized out>, argc=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:2017
#23 0x00007fb9816033b9 in QV4::FunctionObject::call (argc=0, argv=0x7fb929da2758, thisObject=0x7fb929da27a0, this=<optimized out>) at jsruntime/qv4functionobject_p.h:202
#24 QV4::Runtime::method_callProperty (engine=0x559cf7c78580, base=<optimized out>, nameIndex=<optimized out>, argv=0x7fb929da2758, argc=<optimized out>) at jsruntime/qv4runtime.cpp:1385
#25 0x00007fb9815974e0 in QV4::Moth::VME::interpret (frame=0x7ffd8e020a60, engine=0x559cf7c78580, code=0x7fb928996e1a "\016\002") at jsruntime/qv4vme_moth.cpp:718
#26 0x00007fb98159a746 in QV4::Moth::VME::exec (frame=frame@entry=0x7ffd8e020a60, engine=engine@entry=0x559cf7c78580) at jsruntime/qv4vme_moth.cpp:441
#27 0x00007fb98152d91b in QV4::Function::call (this=this@entry=0x559cf7cde1b0, thisObject=thisObject@entry=0x7fb929da2740, argv=argv@entry=0x7fb929da2758, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:68
#28 0x00007fb9816a1737 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x559cf7d69590, callData=callData@entry=0x7fb929da2728, isUndefined=isUndefined@entry=0x0) at qml/qqmljavascriptexpression.cpp:216
#29 0x00007fb981641289 in QQmlBoundSignalExpression::evaluate (this=this@entry=0x559cf7d69590, a=a@entry=0x7ffd8e022bb0) at qml/qqmlboundsignal.cpp:225
#30 0x00007fb98164260b in QQmlBoundSignal_callback (e=0x559cf7ce7b80, a=0x7ffd8e022bb0) at qml/qqmlboundsignal.cpp:358
#31 0x00007fb981682cc3 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffd8e022bb0) at qml/qqmlnotifier.cpp:106
#32 0x00007fb981623329 in QQmlData::signalEmitted (object=0x559cf994aff0, index=<optimized out>, a=0x7ffd8e022bb0) at qml/qqmlengine.cpp:880
#33 0x00007fb97dae465f in QMetaObject::activate (sender=0x559cf994aff0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x7ffd8e022bb0) at kernel/qobject.cpp:3647
#34 0x00007fb98161d6c5 in QQmlVMEMetaObject::activate (this=this@entry=0x559cf7d04770, object=<optimized out>, index=index@entry=69, args=args@entry=0x7ffd8e022bb0) at qml/qqmlvmemetaobject.cpp:1246
#35 0x00007fb98161f918 in QQmlVMEMetaObject::metaCall (this=0x559cf7d04770, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=69, a=0x7ffd8e022bb0) at qml/qqmlvmemetaobject.cpp:922
#36 0x00007fb98161e9f9 in QQmlVMEMetaObject::metaCall (this=0x559cf9916ba0, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=69, a=0x7ffd8e022bb0) at qml/qqmlvmemetaobject.cpp:979
#37 0x00007fb98161e9f9 in QQmlVMEMetaObject::metaCall (this=0x559cf7ce79a0, o=<optimized out>, c=QMetaObject::InvokeMetaMethod, _id=69, a=0x7ffd8e022bb0) at qml/qqmlvmemetaobject.cpp:979
#38 0x00007fb981678af9 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffd8e022ea0, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=69, argv=argv@entry=0x7ffd8e022bb0) at qml/qqmlpropertycache.cpp:1735
#39 0x00007fb98157a62b in CallMethod (object=..., index=69, returnType=returnType@entry=43, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, engine=engine@entry=0x559cf7c78580, callArgs=0x7fb929da26f0, callType=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1231
#40 0x00007fb98157c522 in CallPrecise (object=..., data=..., engine=engine@entry=0x559cf7c78580, callArgs=callArgs@entry=0x7fb929da26f0, callType=callType@entry=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1479
#41 0x00007fb98157d1ff in QV4::QObjectMethod::callInternal (this=<optimized out>, thisObject=0x7fb929da2690, argv=<optimized out>, argc=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:2017
#42 0x00007fb9816033b9 in QV4::FunctionObject::call (argc=0, argv=0x7fb929da2648, thisObject=0x7fb929da2690, this=<optimized out>) at jsruntime/qv4functionobject_p.h:202
#43 QV4::Runtime::method_callProperty (engine=0x559cf7c78580, base=<optimized out>, nameIndex=<optimized out>, argv=0x7fb929da2648, argc=<optimized out>) at jsruntime/qv4runtime.cpp:1385
#44 0x00007fb9815974e0 in QV4::Moth::VME::interpret (frame=0x7ffd8e023210, engine=0x559cf7c78580, code=0x7fb9289708da "\030\006\330\026\006\002`") at jsruntime/qv4vme_moth.cpp:718
#45 0x00007fb98159a746 in QV4::Moth::VME::exec (frame=frame@entry=0x7ffd8e023210, engine=engine@entry=0x559cf7c78580) at jsruntime/qv4vme_moth.cpp:441
#46 0x00007fb98152d91b in QV4::Function::call (this=this@entry=0x559cf7ca9b50, thisObject=thisObject@entry=0x7fb929da2628, argv=argv@entry=0x7fb929da2640, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:68
#47 0x00007fb9816a1737 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x559cf7d59d00, callData=callData@entry=0x7fb929da2610, isUndefined=isUndefined@entry=0x0) at qml/qqmljavascriptexpression.cpp:216
#48 0x00007fb981641289 in QQmlBoundSignalExpression::evaluate (this=this@entry=0x559cf7d59d00, a=a@entry=0x7ffd8e024fa0) at qml/qqmlboundsignal.cpp:225
#49 0x00007fb98164260b in QQmlBoundSignal_callback (e=0x559cf9950490, a=0x7ffd8e024fa0) at qml/qqmlboundsignal.cpp:358
#50 0x00007fb981682cc3 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffd8e024fa0) at qml/qqmlnotifier.cpp:106
#51 0x00007fb981623329 in QQmlData::signalEmitted (object=0x559cf99d3b30, index=<optimized out>, a=0x7ffd8e024fa0) at qml/qqmlengine.cpp:880
#52 0x00007fb97dae465f in QMetaObject::activate (sender=0x559cf99d3b30, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd8e024fa0) at kernel/qobject.cpp:3647
#53 0x00007fb97dae54f7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fb9584440c0 <QQuickAction1::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd8e024fa0) at kernel/qobject.cpp:3631
#54 0x00007fb95821f3ef in QQuickAction1::triggered (this=<optimized out>, _t1=<optimized out>) at .moc/moc_qquickaction_p.cpp:366
#55 0x00007fb9581fbd53 in QQuickAction1::trigger (this=<optimized out>, source=<optimized out>) at qquickaction.cpp:462
#56 0x00007fb9581fc94b in QQuickAction1::trigger (this=<optimized out>, source=<optimized out>) at qquickaction.cpp:456
#57 0x00007fb95821f9dc in QQuickAction1::qt_static_metacall (_o=_o@entry=0x559cf99d3b30, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12, _a=_a@entry=0x7ffd8e025150) at .moc/moc_qquickaction_p.cpp:169
#58 0x00007fb95821fe45 in QQuickAction1::qt_metacall (this=0x559cf99d3b30, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0x7ffd8e025150) at .moc/moc_qquickaction_p.cpp:330
#59 0x00007fb981678af9 in QQmlObjectOrGadget::metacall (this=this@entry=0x7ffd8e025490, type=type@entry=QMetaObject::InvokeMetaMethod, index=<optimized out>, index@entry=17, argv=<optimized out>) at qml/qqmlpropertycache.cpp:1735
#60 0x00007fb98157abf5 in CallMethod (object=..., index=<optimized out>, returnType=returnType@entry=43, argCount=<optimized out>, argTypes=<optimized out>, engine=engine@entry=0x559cf7c78580, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1213
#61 0x00007fb98157c55f in CallPrecise (object=..., data=..., engine=engine@entry=0x559cf7c78580, callArgs=callArgs@entry=0x7fb929da25c0, callType=callType@entry=QMetaObject::InvokeMetaMethod) at jsruntime/qv4qobjectwrapper.cpp:1475
#62 0x00007fb98157d5ec in CallOverloaded (callType=QMetaObject::InvokeMetaMethod, propertyCache=0x7fb95c150a70, callArgs=0x7fb929da25c0, engine=0x559cf7c78580, data=..., object=...) at jsruntime/qv4qobjectwrapper.cpp:1549
#63 QV4::QObjectMethod::callInternal (this=<optimized out>, thisObject=<optimized out>, argv=<optimized out>, argc=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:2019
#64 0x00007fb9816033b9 in QV4::FunctionObject::call (argc=1, argv=0x7fb929da2570, thisObject=0x7fb929da2558, this=<optimized out>) at jsruntime/qv4functionobject_p.h:202
#65 QV4::Runtime::method_callProperty (engine=0x559cf7c78580, base=<optimized out>, nameIndex=<optimized out>, argv=0x7fb929da2570, argc=<optimized out>) at jsruntime/qv4runtime.cpp:1385
#66 0x00007fb9815974e0 in QV4::Moth::VME::interpret (frame=0x7ffd8e025800, engine=0x559cf7c78580, code=0x7fb928970c16 "\030\006\330\026\006\002") at jsruntime/qv4vme_moth.cpp:718
#67 0x00007fb98159a746 in QV4::Moth::VME::exec (frame=frame@entry=0x7ffd8e025800, engine=engine@entry=0x559cf7c78580) at jsruntime/qv4vme_moth.cpp:441
#68 0x00007fb98152d91b in QV4::Function::call (this=this@entry=0x559cf7ca9d80, thisObject=thisObject@entry=0x7fb929da24f0, argv=argv@entry=0x7fb929da2508, argc=<optimized out>, context=<optimized out>) at jsruntime/qv4function.cpp:68
#69 0x00007fb9816a1737 in QQmlJavaScriptExpression::evaluate (this=this@entry=0x559cf7d0e1a0, callData=callData@entry=0x7fb929da24d8, isUndefined=isUndefined@entry=0x0) at qml/qqmljavascriptexpression.cpp:216
#70 0x00007fb981641289 in QQmlBoundSignalExpression::evaluate (this=this@entry=0x559cf7d0e1a0, a=a@entry=0x7ffd8e027590) at qml/qqmlboundsignal.cpp:225
#71 0x00007fb98164260b in QQmlBoundSignal_callback (e=0x559cf7d0e150, a=0x7ffd8e027590) at qml/qqmlboundsignal.cpp:358
#72 0x00007fb981682cc3 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffd8e027590) at qml/qqmlnotifier.cpp:106
#73 0x00007fb981623329 in QQmlData::signalEmitted (object=0x559cf68f5a90, index=<optimized out>, a=0x7ffd8e027590) at qml/qqmlengine.cpp:880
#74 0x00007fb97dae465f in QMetaObject::activate (sender=sender@entry=0x559cf68f5a90, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=15, argv=argv@entry=0x7ffd8e027590) at kernel/qobject.cpp:3647
#75 0x00007fb97dae54f7 in QMetaObject::activate (sender=sender@entry=0x559cf68f5a90, m=m@entry=0x7fb9820ede60 <QQuickMouseArea::staticMetaObject>, local_signal_index=local_signal_index@entry=15, argv=argv@entry=0x7ffd8e027590) at kernel/qobject.cpp:3631
#76 0x00007fb981cf4832 in QQuickMouseArea::released (this=this@entry=0x559cf68f5a90, _t1=<optimized out>, _t1@entry=0x559cf68f5d18) at .moc/moc_qquickmousearea_p.cpp:659
#77 0x00007fb981cf604c in QQuickMouseArea::setPressed (this=this@entry=0x559cf68f5a90, button=<optimized out>, p=p@entry=false, source=<optimized out>) at items/qquickmousearea.cpp:1234
#78 0x00007fb981cf71e8 in QQuickMouseArea::mouseReleaseEvent (this=0x559cf68f5a90, event=0x7ffd8e027ec0) at items/qquickmousearea.cpp:806
#79 0x00007fb981c5fc78 in QQuickItem::event (this=0x559cf68f5a90, ev=0x7ffd8e027ec0) at items/qquickitem.cpp:8096
#80 0x00007fb97f40f83c in QApplicationPrivate::notify_helper (this=this@entry=0x559cf43387d0, receiver=receiver@entry=0x559cf68f5a90, e=e@entry=0x7ffd8e027ec0) at kernel/qapplication.cpp:3752
#81 0x00007fb97f416dd0 in QApplication::notify (this=0x7ffd8e028380, receiver=0x559cf68f5a90, e=0x7ffd8e027ec0) at kernel/qapplication.cpp:3499
#82 0x00007fb97dab5328 in QCoreApplication::notifyInternal2 (receiver=0x559cf68f5a90, event=0x7ffd8e027ec0) at kernel/qcoreapplication.cpp:1061
#83 0x00007fb97dab54fe in QCoreApplication::sendEvent (receiver=receiver@entry=0x559cf68f5a90, event=event@entry=0x7ffd8e027ec0) at kernel/qcoreapplication.cpp:1451
#84 0x00007fb981c790ed in QQuickWindowPrivate::deliverMouseEvent (this=this@entry=0x559cf8730a70, pointerEvent=0x559cf7d3a310) at items/qquickwindow.cpp:1784
#85 0x00007fb981c7a2db in QQuickWindowPrivate::deliverPointerEvent (this=this@entry=0x559cf8730a70, event=0x559cf7d3a310) at items/qquickwindow.cpp:2346
#86 0x00007fb981c7af6e in QQuickWindowPrivate::handleMouseEvent (this=0x559cf8730a70, event=0x7ffd8e027ec0) at items/qquickwindow.cpp:2210
#87 0x00007fb97e088ac5 in QWindow::event (this=this@entry=0x559cf86c2760, ev=ev@entry=0x7ffd8e027ec0) at kernel/qwindow.cpp:2336
#88 0x00007fb981c7c285 in QQuickWindow::event (this=0x559cf86c2760, e=0x7ffd8e027ec0) at items/qquickwindow.cpp:1673
#89 0x00007fb97f40f83c in QApplicationPrivate::notify_helper (this=this@entry=0x559cf43387d0, receiver=receiver@entry=0x559cf86c2760, e=e@entry=0x7ffd8e027ec0) at kernel/qapplication.cpp:3752
#90 0x00007fb97f416dd0 in QApplication::notify (this=0x7ffd8e028380, receiver=0x559cf86c2760, e=0x7ffd8e027ec0) at kernel/qapplication.cpp:3499
#91 0x00007fb97dab5328 in QCoreApplication::notifyInternal2 (receiver=0x559cf86c2760, event=0x7ffd8e027ec0) at kernel/qcoreapplication.cpp:1061
#92 0x00007fb97dab550e in QCoreApplication::sendSpontaneousEvent (receiver=receiver@entry=0x559cf86c2760, event=event@entry=0x7ffd8e027ec0) at kernel/qcoreapplication.cpp:1463
#93 0x00007fb97e07d52b in QGuiApplicationPrivate::processMouseEvent (e=0x559cf6e218d0) at kernel/qguiapplication.cpp:2102
#94 0x00007fb97e07e695 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x559cf6e218d0) at kernel/qguiapplication.cpp:1837
#95 0x00007fb97e05714b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1068
#96 0x00007fb970ccbd2a in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#97 0x00007fb977037387 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#98 0x00007fb9770375c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#99 0x00007fb97703764c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#100 0x00007fb97db1213f in QEventDispatcherGlib::processEvents (this=0x559cf43e4ac0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#101 0x00007fb97dab364a in QEventLoop::exec (this=this@entry=0x7ffd8e028260, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#102 0x00007fb97dabc800 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1364
#103 0x0000559cf3e35f95 in ?? ()
#104 0x00007fb97d0dcb97 in __libc_start_main (main=0x559cf3e35450, argc=1, argv=0x7ffd8e028538, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd8e028528) at ../csu/libc-start.c:310
#105 0x0000559cf3e3641a in _start ()

Reported using DrKonqi
Comment 1 Nate Graham 2021-03-04 19:29:43 UTC 
There's been a lot of refactoring here since Plasma 5.15. I cannot reproduce the issue. Can you try again in Plasma 5.21? Thanks!
Comment 2 Bug Janitor Service 2021-03-19 04:33:42 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!