https://bugs.kde.org/show_bug.cgi?id=454361

            Bug ID: 454361
           Summary: kwin_wayland crashed in
                    KWin::X11Window::constrainClientSize
           Product: kwin
           Version: git master
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: wayland-generic
          Assignee: kwin-bugs-n...@kde.org
          Reporter: pos...@posteo.eu
  Target Milestone: ---

Created attachment 149184
  --> https://bugs.kde.org/attachment.cgi?id=149184&action=edit
bt full

SUMMARY

checkout MR https://invent.kde.org/plasma/kwin/-/merge_requests/2288

```
echo Xft.dpi: 192 | xrdb -merge
QT_AUTO_SCREEN_SCALE_FACTOR=0 QT_SCREEN_SCALE_FACTORS=2 /usr/bin/vlc
```

```
#0  0x00007fcfd96ad80c in KWin::X11Window::constrainClientSize(QSize const&,
KWin::Window::SizeMode) const (this=0x2362800, size=...,
mode=KWin::Window::SizeModeAny) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/x11window.cpp:3581
#1  0x00007fcfd96a0c9a in KWin::X11Window::manage(unsigned int, bool)
(this=0x2362800, w=20971526, isMapped=false) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/x11window.cpp:694
#2  0x00007fcfd967e30d in KWin::Workspace::createX11Window(unsigned int, bool)
(this=0x137ea20, windowId=20971526, is_mapped=false) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/workspace.cpp:655
#3  0x00007fcfd94e180d in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
(this=0x137ea20, e=0x7fcfcc01f850) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/events.cpp:219
#4  0x00007fcfd955326b in
KWin::Application::dispatchEvent(xcb_generic_event_t*) (this=0x7fff903e2cb0,
event=0x7fcfcc01f850) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/main.cpp:488
#5  0x00007fcfd9553409 in KWin::XcbEventFilter::nativeEventFilter(QByteArray
const&, void*, long*) (this=0xe6a740, eventType=..., message=0x7fcfcc01f850,
result=0x7fff903e2628) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/main.cpp:576
#6  0x00007fcfd78d8eff in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*)
(this=<optimized out>, eventType=..., message=0x7fcfcc01f850,
result=0x7fff903e2628) at kernel/qabstracteventdispatcher.cpp:495
#7  0x00000000004708c0 in KWin::Xwl::Xwayland::dispatchEvents()
(this=0x187c280) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/xwayland/xwayland.cpp:123
#8  0x0000000000472f5f in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void, void (KWin::Xwl::Xwayland::*)()>::call(void
(KWin::Xwl::Xwayland::*)(), KWin::Xwl::Xwayland*, void**) (f=(void
(KWin::Xwl::Xwayland::*)(KWin::Xwl::Xwayland * const)) 0x470722
<KWin::Xwl::Xwayland::dispatchEvents()>, o=0x187c280, arg=0x7fff903e2860) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:152
#9  0x0000000000472d7a in QtPrivate::FunctionPointer<void
(KWin::Xwl::Xwayland::*)()>::call<QtPrivate::List<>, void>(void
(KWin::Xwl::Xwayland::*)(), KWin::Xwl::Xwayland*, void**) (f=(void
(KWin::Xwl::Xwayland::*)(KWin::Xwl::Xwayland * const)) 0x470722
<KWin::Xwl::Xwayland::dispatchEvents()>, o=0x187c280, arg=0x7fff903e2860) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:185
#10 0x0000000000472acd in QtPrivate::QSlotObject<void
(KWin::Xwl::Xwayland::*)(), QtPrivate::List<>, void>::impl(int,
QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1,
this_=0x2180b70, r=0x187c280, a=0x7fff903e2860, ret=0x0) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:418
#11 0x00007fcfd7912def in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff903e2860, r=0x187c280, this=0x2180b70) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#12 doActivate<false>(QObject*, int, void**) (sender=0x10197c0, signal_index=3,
argv=0x7fff903e2860) at kernel/qobject.cpp:3886
#13 0x00007fcfd790c0cf in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x10197c0, m=m@entry=0x7fcfd7baf880
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff903e2860)
at kernel/qobject.cpp:3946
#14 0x00007fcfd791612f in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x10197c0, _t1=..., _t2=<optimized out>, _t3=...) at
.moc/moc_qsocketnotifier.cpp:178
#15 0x00007fcfd7916935 in QSocketNotifier::event(QEvent*) (this=0x10197c0,
e=<optimized out>) at kernel/qsocketnotifier.cpp:302
#16 0x00007fcfd644137e in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x10197c0, e=0x7fff903e2960) at
kernel/qapplication.cpp:3632
#17 0x00007fcfd78db988 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x10197c0, event=0x7fff903e2960) at kernel/qcoreapplication.cpp:1064
#18 0x00007fcfd79309e3 in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0xe331b0) at
kernel/qeventdispatcher_unix.cpp:304
#19 0x00007fcfd7930ea7 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#20 0x000000000058805d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:63
#21 0x00007fcfd78da3fb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fff903e2af0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#22 0x00007fcfd78e2566 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#23 0x000000000044ae14 in main(int, char**) (argc=14, argv=0x7fff903e34f8) at
/home/mh/Development/kde/src/kde/workspace/kwin/src/main_wayland.cpp:643
```

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