QWaylandShmBackingStore::resize segfault

#0  0x00007ffff21e77a0 in QImage::constBits() const () at image/qimage.cpp:1622
 #1  0x00007fffe4573728 in QtWaylandClient::QWaylandShmBackingStore::resize (this=this@entry=0x555555c6d360, size=...) at /tmp/makepkg/qt5-wayland-debug/src/qtwayland-opensource-src-5.9.2/src/client/qwaylandshmbackingstore.cpp:280
 #2  0x00007fffe4573811 in QtWaylandClient::QWaylandShmBackingStore::ensureSize (this=this@entry=0x555555c6d360)
     at /tmp/makepkg/qt5-wayland-debug/src/qtwayland-opensource-src-5.9.2/src/client/qwaylandshmbackingstore.cpp:200
 #3  0x00007fffe457384a in QtWaylandClient::QWaylandShmBackingStore::beginPaint (this=this@entry=0x555555c6d360, region=...)
     at /tmp/makepkg/qt5-wayland-debug/src/qtwayland-opensource-src-5.9.2/src/client/qwaylandshmbackingstore.cpp:177
 #4  0x00007ffff234b39c in QBackingStore::beginPaint 
(this=this@entry=0x555555cb3660, region=...) at 
painting/qbackingstore.cpp:176
 #5  0x00007ffff29787db in 
QWidgetBackingStore::beginPaint (toCleanIsInTopLevelCoordinates=true, 
returnInfo=<synthetic pointer>, backingStore=0x555555cb3660, 
     widget=<optimized out>, toClean=..., this=0x555555cfe180) at kernel/qwidgetbackingstore.cpp:331
 #6  QWidgetBackingStore::doSync (this=this@entry=0x555555cfe180) at kernel/qwidgetbackingstore.cpp:1341
 #7  0x00007ffff29791f4 in QWidgetBackingStore::sync 
(this=0x555555cfe180, exposedWidget=0x5555557a6560, exposedRegion=...) 
at kernel/qwidgetbackingstore.cpp:1136
 #8  0x00007ffff2990862 in 
QWidgetPrivate::syncBackingStore (this=this@entry=0x555555ae26b0, 
region=...) at kernel/qwidget.cpp:1988
 #9  0x00007ffff29c5a8a in 
QWidgetWindow::handleExposeEvent (this=this@entry=0x555555c141d0, 
event=event@entry=0x7fffffffb5c0) at kernel/qwidgetwindow.cpp:926
 #10 0x00007ffff29c63ef in QWidgetWindow::event (this=0x555555c141d0, event=0x7fffffffb5c0) at kernel/qwidgetwindow.cpp:288
 #11 0x00007ffff2968fcc in QApplicationPrivate::notify_helper 
(this=this@entry=0x5555557df540, receiver=receiver@entry=0x555555c141d0,
 e=e@entry=0x7fffffffb5c0)
     at kernel/qapplication.cpp:3722
 #12 0x00007ffff2970aa6 in QApplication::notify (this=0x7fffffffbd80, 
receiver=0x555555c141d0, e=0x7fffffffb5c0) at 
kernel/qapplication.cpp:3481
 #13 0x00007ffff17550d0 in 
QCoreApplication::notifyInternal2 
(receiver=receiver@entry=0x555555c141d0, 
event=event@entry=0x7fffffffb5c0)
     at kernel/qcoreapplication.cpp:1018
 #14 0x00007ffff21a6353 in QCoreApplication::sendSpontaneousEvent (event=0x7fffffffb5c0, receiver=0x555555c141d0)
     at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
 #15 QGuiApplicationPrivate::processExposeEvent (e=0x55555a1bd8c0) at kernel/qguiapplication.cpp:2861
 #16 0x00007ffff21a6fce in 
QGuiApplicationPrivate::processWindowSystemEvent 
(e=e@entry=0x55555a1bd8c0) at kernel/qguiapplication.cpp:1795
 #17 
0x00007ffff217e4ac in QWindowSystemInterface::sendWindowSystemEvents 
(flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:939
 #18
 0x00007ffff217e7d9 in QWindowSystemInterface::flushWindowSystemEvents 
(flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:908
 #19 0x00007fffe457b2b0 in QtWaylandClient::QWaylandWindow::requestResize (this=0x555555cb3530)
     at /tmp/makepkg/qt5-wayland-debug/src/qtwayland-opensource-src-5.9.2/src/client/qwaylandwindow.cpp:498
 #20 0x00007ffff17856d2 in QObject::event (this=0x555555cb3530, e=<optimized out>) at kernel/qobject.cpp:1246
 #21 0x00007ffff2968fcc in QApplicationPrivate::notify_helper 
(this=this@entry=0x5555557df540, receiver=receiver@entry=0x555555cb3530,
 e=e@entry=0x5555573612d0)
     at kernel/qapplication.cpp:3722
 #22 0x00007ffff2970aa6 in QApplication::notify (this=0x7fffffffbd80, 
receiver=0x555555cb3530, e=0x5555573612d0) at 
kernel/qapplication.cpp:3481
 #23 0x00007ffff17550d0 in 
QCoreApplication::notifyInternal2 (receiver=0x555555cb3530, 
event=event@entry=0x5555573612d0) at kernel/qcoreapplication.cpp:1018
 #24 0x00007ffff1757926 in QCoreApplication::sendEvent (event=0x5555573612d0, receiver=<optimized out>)
     at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
 #25 QCoreApplicationPrivate::sendPostedEvents 
(receiver=receiver@entry=0x0, event_type=event_type@entry=0, 
data=0x5555557943e0) at kernel/qcoreapplication.cpp:1678
 #26 
0x00007ffff1757eba in QCoreApplication::sendPostedEvents 
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at 
kernel/qcoreapplication.cpp:1532
 #27 0x00007ffff17b0754 in postEventSourceDispatch (s=0x555555b13080) at kernel/qeventdispatcher_glib.cpp:276
 #28 0x00007fffe8fb4270 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
 #29 0x00007fffe8fb5f69 in ?? () from /usr/lib/libglib-2.0.so.0
 #30 0x00007fffe8fb5fae in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
 #31 0x00007ffff17afd41 in QEventDispatcherGlib::processEvents 
(this=0x555555b072d0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
 #32 0x00007ffff17534fb in QEventLoop::exec 
(this=this@entry=0x7fffffffbc80, flags=..., flags@entry=...) at 
kernel/qeventloop.cpp:212
 #33 0x00007ffff175c548 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291