Reduced repro from: https://www.w3.org/TR/web-animations-1/
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200">
<g mask="url(#excludedEndPoints)"></g>
<mask id="excludedEndPoints">
<circle cx="50" cy="50" r="4" fill="black" stroke="black"/>
</mask>
</svg>
Backtrace:
ASSERTION FAILED: m_ptr at /home/shannon/personal/ladybird/Userland/Libraries/LibJS/Heap/GCPtr.h:168
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-ak.so.0(ak_assertion_failed+0xef) [0x7f5d3e4d231f]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::SVG::SVGCircleElement::get_path(Gfx::Size<Web::CSSPixels>) 0x33a) [0x7f5d43512fda]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::SVGFormattingContext::layout_path_like_element(Web::Layout::SVGGraphicsBox const&) 0x147) [0x7f5d43443077]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::SVGFormattingContext::layout_graphics_element(Web::Layout::SVGGraphicsBox const&) 0x162) [0x7f5d43442972]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::SVGFormattingContext::run(Web::Layout::Box const&, Web::Layout::LayoutMode, Web::Layout::AvailableSpace const&) 0x932) [0x7f5d43442212]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::SVGFormattingContext::layout_mask_or_clip(Web::Layout::SVGBox const&) 0x226) [0x7f5d43443a76]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::SVGFormattingContext::layout_graphics_element(Web::Layout::SVGGraphicsBox const&) 0x1ab) [0x7f5d434429bb]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::SVGFormattingContext::run(Web::Layout::Box const&, Web::Layout::LayoutMode, Web::Layout::AvailableSpace const&) 0x932) [0x7f5d43442212]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::Layout::BlockFormattingContext::layout_viewport(Web::Layout::LayoutMode, Web::Layout::AvailableSpace const&) 0xc2) [0x7f5d433ed412]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::DOM::Document::update_layout() 0x28a) [0x7f5d431789ba]
/home/shannon/personal/ladybird/Build/ladybird-debug/libexec/../lib/liblagom-web.so.0 Web::HTML::EventLoop::process() 0x42b) [0x7f5d4329151b
cc @MacDue
Pay now to fund the work behind this issue.
Get updates on progress being made.
Maintainer is rewarded once the issue is completed.
You're funding impactful open source efforts
You want to contribute to this effort
You want to get funding like this too