Steps to reproduce the bug:
Use HiDPI/Retina display system or use -Dglass.win.uiScale=1.5 property
1. Launch HelloWebView application with https://wordpress.com/start/design-type-with-store
2. Click any category like {Fashion/Beauty, Technology, ..}
You should see a corrupted display or crash.
Callstack:
#0 0x00007fff89637f06 in __pthread_kill ()
#1 0x000000010009b42d in pthread_kill ()
#2 0x00007fff989c66df in abort ()
#3 0x0000000102ded820 in os::abort(bool, void*, void const*) ()
#4 0x0000000102f3ddc4 in VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long) ()
#5 0x0000000102f3d467 in VMError::report_and_die(Thread*, unsigned int, unsigned char*, void*, void*, char const*, ...) ()
#6 0x0000000102f3de11 in VMError::report_and_die(Thread*, unsigned int, unsigned char*, void*, void*) ()
#7 0x0000000102df27a7 in JVM_handle_bsd_signal ()
#8 0x0000000102def387 in signalHandler(int, __siginfo*, void*) ()
#9 0x00007fff8fe5452a in _sigtramp ()
#10 0x00007fff8fe5706e in _platform_memmove$VARIANT$Haswell ()
#11 0x0000000133b8a7d9 in WebCore::FilterEffect::copyImageBytes(JSC::GenericTypedArrayView<JSC::Uint8ClampedAdaptor>*, JSC::GenericTypedArrayView<JSC::Uint8ClampedAdaptor>*, WebCore::IntRect const&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/graphics/filters/FilterEffect.cpp:298
#12 0x0000000133b89a8e in WebCore::FilterEffect::copyPremultipliedImage(JSC::GenericTypedArrayView<JSC::Uint8ClampedAdaptor>*, WebCore::IntRect const&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/graphics/filters/FilterEffect.cpp:368
#13 0x0000000133b7c6b4 in WebCore::FEGaussianBlur::platformApplySoftware() at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/graphics/filters/FEGaussianBlur.cpp:533
#14 0x0000000133b885a9 in WebCore::FilterEffect::apply() at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/graphics/filters/FilterEffect.cpp:144
#15 0x0000000133c31a9c in WebCore::FilterEffectRenderer::apply() at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/FilterEffectRenderer.cpp:341
#16 0x0000000133c3211e in WebCore::FilterEffectRendererHelper::applyFilterEffect(WebCore::GraphicsContext&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/FilterEffectRenderer.cpp:426
#17 0x0000000133dcd793 in WebCore::RenderLayer::applyFilters(WebCore::FilterEffectRendererHelper*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo&, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul>&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4189
#18 0x0000000133dcac70 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4367
#19 0x0000000133dc9ee5 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3998
#20 0x0000000133dc9d7d in WebCore::RenderLayer::paintLayerByApplyingTransform(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::LayoutSize const&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4429
#21 0x0000000133dc8aec in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3971
#22 0x0000000133dcf0a4 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4448
#23 0x0000000133dcab21 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4353
#24 0x0000000133dc9ee5 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3998
#25 0x0000000133dc8b53 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3980
#26 0x0000000133dcf0a4 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4448
#27 0x0000000133dcab21 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4353
#28 0x0000000133dc9ee5 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3998
#29 0x0000000133dc8b53 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3980
#30 0x0000000133dcf0a4 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4448
#31 0x0000000133dcab21 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:4353
#32 0x0000000133dc9ee5 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3998
#33 0x0000000133dc8b53 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3980
#34 0x0000000133dc8409 in WebCore::RenderLayer::paint(WebCore::GraphicsContext&, WebCore::LayoutRect const&, WebCore::LayoutSize const&, unsigned int, WebCore::RenderObject*, unsigned int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderLayer.cpp:3786
#35 0x00000001339550cc in WebCore::FrameView::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/page/FrameView.cpp:4068
#36 0x0000000133a67fc1 in WebCore::ScrollView::paint(WebCore::GraphicsContext&, WebCore::IntRect const&) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/ScrollView.cpp:1232
#37 0x00000001342dca77 in WebCore::WebPage::paint(_jobject*, int, int, int, int) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/java/WebPage.cpp:262
#38 0x00000001342e25b1 in ::Java_com_sun_webkit_WebPage_twkUpdateContent(JNIEnv *, jobject, jlong, jobject, jint, jint, jint, jint) at /Volumes/Works/openjfx-dev/fx9-dev-sandbox/rt/modules/javafx.web/src/main/native/Source/WebCore/platform/java/WebPage.cpp:1559
#39 0x000000010d378db5 in 0x10d378db5 ()
#40 0x000000010d36b443 in 0x10d36b443 ()
#41 0x000000010d36b443 in 0x10d36b443 ()
#42 0x000000010d36b443 in 0x10d36b443 ()
#43 0x000000010e05d6a4 in 0x10e05d6a4 ()
#44 0x0000000102bab1d8 in JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) ()
#45 0x0000000102c246d6 in JVM_DoPrivileged ()
#46 0x0000000114f031b5 in 0x114f031b5 ()
#47 0x000000010e0562ac in 0x10e0562ac ()
#48 0x0000000102bab1d8 in JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, Thread*) ()
#49 0x0000000102be7390 in jni_invoke_nonstatic(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*) ()
#50 0x0000000102bea8f4 in jni_CallVoidMethod ()
#51 0x0000000129e8bdfe in -[GlassRunnable run] ()
#52 0x00007fff88a92fde in __NSThreadPerformPerform ()
#53 0x00007fff897b1881 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ ()
#54 0x00007fff89790fbc in __CFRunLoopDoSources0 ()
#55 0x00007fff897904df in __CFRunLoopRun ()
#56 0x00007fff8978fed8 in CFRunLoopRunSpecific ()
#57 0x00007fff8f68f935 in RunCurrentEventLoopInMode ()
#58 0x00007fff8f68f76f in ReceiveNextEventCommon ()
#59 0x00007fff8f68f5af in _BlockUntilNextEventMatchingListInModeWithFilter ()
#60 0x00007fff93636df6 in _DPSNextEvent ()
#61 0x00007fff93636226 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] ()
#62 0x00007fff9362ad80 in -[NSApplication run] ()
#63 0x0000000129e8f78f in -[GlassApplication runLoop:] ()
#64 0x00007fff88a92fde in __NSThreadPerformPerform ()
#65 0x00007fff897b1881 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ ()
#66 0x00007fff89790fbc in __CFRunLoopDoSources0 ()
#67 0x00007fff897904df in __CFRunLoopRun ()
#68 0x00007fff8978fed8 in CFRunLoopRunSpecific ()
#69 0x0000000100005cf2 in CreateExecutionEnvironment ()
#70 0x0000000100001fa8 in JLI_Launch ()
#71 0x0000000100001237 in main ()
#72 0x0000000100001114 in start ()