#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140737294567680) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=140737294567680) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=140737294567680, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007ffff4e42476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x00007ffff4e287f3 in __GI_abort () at ./stdlib/abort.c:79
#5  0x00007ffff56f0fba in qAbort () at /home/paul/dev/qt6/qtbase/src/corelib/global/qassert.cpp:49
#6  0x00007ffff5706247 in qt_message_fatal<QString&> (context=..., message=...) at /home/paul/dev/qt6/qtbase/src/corelib/global/qlogging.cpp:2112
#7  0x00007ffff56ffedc in qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef __va_list_tag __va_list_tag *) (msgType=QtFatalMsg, context=..., msg=0x7ffff5cae980 "ASSERT: \"%s\" in file %s, line %d", ap=0x7fffffff9ac8) at /home/paul/dev/qt6/qtbase/src/corelib/global/qlogging.cpp:380
#8  0x00007ffff5701912 in QMessageLogger::fatal (this=0x7fffffff9d10, msg=0x7ffff5cae980 "ASSERT: \"%s\" in file %s, line %d") at /home/paul/dev/qt6/qtbase/src/corelib/global/qlogging.cpp:880
#9  0x00007ffff56f101e in qt_assert (assertion=0x7ffff5ce5328 "d.canUseInternalSpace(iface)", file=0x7ffff5ce4ee8 "/home/paul/dev/qt6/qtbase/src/corelib/kernel/qvariant.cpp", line=308) at /home/paul/dev/qt6/qtbase/src/corelib/global/qassert.cpp:105
#10 0x00007ffff58a8f4e in (anonymous namespace)::clonePrivate (other=...) at /home/paul/dev/qt6/qtbase/src/corelib/kernel/qvariant.cpp:308
#11 0x00007ffff58a90de in QVariant::QVariant (this=0x7fffffff9e00, p=...) at /home/paul/dev/qt6/qtbase/src/corelib/kernel/qvariant.cpp:543
#12 0x0000555555567f8d in QmlCacheGeneratedCode::_0x5f__TargetIndicator_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void**)#6}::operator()(QQmlPrivate::AOTCompiledContext const, void*) const ()
#13 0x0000555555568132 in QmlCacheGeneratedCode::_0x5f__TargetIndicator_qml::aotBuiltFunctions::{lambda(QQmlPrivate::AOTCompiledContext const*, void**)#6}::_FUN(QQmlPrivate::AOTCompiledContext const, void*) ()
#14 0x00007ffff66178d2 in operator() (__closure=0x7fffffff9ff0, argv=0x7fffffffa200, argc=1) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4vme_moth.cpp:446
#15 0x00007ffff6625ad0 in QV4::coerceAndCall<AOTCompiledMetaMethod, QV4::Moth::VME::exec(QV4::MetaTypesStackFrame*, QV4::ExecutionEngine*)::<lambda(void**, int)> >(QV4::ExecutionEngine *, const AOTCompiledMetaMethod *, void **, const QMetaType *, int, struct {...}) (engine=0x555555629a30, typedFunction=0x7fffffffa030, argv=0x7fffffffa200, types=0x7fffffffa1e0, argc=1, call=...) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4jscall_p.h:555
#16 0x00007ffff6617a16 in QV4::Moth::VME::exec (frame=0x7fffffffa100, engine=0x555555629a30) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4vme_moth.cpp:431
#17 0x00007ffff650f757 in QV4::ArrowFunction::virtualCallWithMetaTypes (fo=0x7fffffffa3b0, thisObject=0x5555556d4f00, a=0x7fffffffa200, types=0x7fffffffa1e0, argc=1) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4functionobject.cpp:506
#18 0x00007ffff650f961 in operator() (__closure=0x7fffffffa220, thisObject=0x5555556d4f00, a=0x7fffffffa200, types=0x7fffffffa1e0, argc=1) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4functionobject.cpp:546
#19 0x00007ffff6511f80 in QV4::convertAndCall<QV4::ArrowFunction::virtualCall(const QV4::FunctionObject*, const QV4::Value*, const QV4::Value*, int)::<lambda(QObject*, void**, const QMetaType*, int)> >(QV4::ExecutionEngine *, const QV4::Function::AOTCompiledFunction *, const QV4::Value *, const QV4::Value *, int, struct {...}) (engine=0x555555629a30, aotFunction=0x5555556dbc00, thisObject=0x7fffeb3be5a0, argv=0x7fffeb3be5b8, argc=1, call=...) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4jscall_p.h:157
#20 0x00007ffff650f171 in QV4::ArrowFunction::virtualCall (fo=0x7fffffffa3b0, thisObject=0x7fffeb3be5a0, argv=0x7fffeb3be5b8, argc=1) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4functionobject.cpp:543
#21 0x00007ffff6453db8 in QV4::FunctionObject::call (this=0x7fffffffa3b0, thisObject=0x7fffeb3be5a0, argv=0x7fffeb3be5b8, argc=1) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4functionobject_p.h:187
#22 0x00007ffff65cd622 in QV4::Runtime::CallPropertyLookup::call (engine=0x555555629a30, base=..., index=91, argv=0x7fffeb3be5b8, argc=1) at /home/paul/dev/qt6/qtdeclarative/src/qml/jsruntime/qv4runtime.cpp:1540
#23 0x00007ffff204420e in ?? ()
#24 0x00005555556d9570 in ?? ()
#25 0x00007fffeb3be508 in ?? ()
#26 0x00007fffeb3be4f8 in ?? ()
#27 0x0000000000000000 in ?? ()