1) download chromium from https://download-chromium.appspot.com/
2) open some page, see the crash.

copying headless_lib.pak into the chromium folder fixes it.

Received signal 6
#0 0x5612f7339c17 base::debug::StackTrace::StackTrace()
#1 0x5612f733978f base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7f54fd5ea330 <unknown>
#3 0x7f54f7531c37 gsignal
#4 0x7f54f7535028 abort
#5 0x5612f73387c2 base::debug::BreakDebugger()
#6 0x5612f734dd8c logging::LogMessage::~LogMessage()
#7 0x5612f90c7692 content::BlinkPlatformImpl::GetDataResource()
#8 0x5612fa427603 blink::GetDataResourceAsASCIIString()
#9 0x5612faec41e4 blink::CSSDefaultStyleSheets::EnsureDefaultStyleSheetsForElement()
#10 0x5612fa6388da blink::StyleEngine::EnsureUAStyleForElement()
#11 0x5612fa5848a0 blink::StyleResolver::StyleForElement()
#12 0x5612fa5e8478 blink::Element::StyleForLayoutObject()
#13 0x5612fa5fe3e6 blink::LayoutTreeBuilderForElement::Style()
#14 0x5612fa5fe39c blink::LayoutTreeBuilderForElement::ShouldCreateLayoutObject()
#15 0x5612fa5e7a7e blink::Element::AttachLayoutTree()
#16 0x5612fa756889 blink::HTMLMediaElement::AttachLayoutTree()
#17 0x5612fa7758e9 blink::HTMLVideoElement::AttachLayoutTree()
#18 0x5612fa5b1a7b blink::ContainerNode::AttachLayoutTree()
#19 0x5612fa5e7ba1 blink::Element::AttachLayoutTree()
#20 0x5612fa5b1a7b blink::ContainerNode::AttachLayoutTree()
#21 0x5612fa5e7ba1 blink::Element::AttachLayoutTree()
#22 0x5612fa5b1a7b blink::ContainerNode::AttachLayoutTree()
#23 0x5612fa5e7ba1 blink::Element::AttachLayoutTree()
#24 0x5612fa5e99d4 blink::Element::RebuildLayoutTree()
#25 0x5612fa5c5249 blink::Document::UpdateStyle()
#26 0x5612fa5c23c5 blink::Document::UpdateStyleAndLayoutTree()
#27 0x5612fa5d2261 blink::Document::FinishedParsing()
#28 0x5612fa7962c9 blink::HTMLDocumentParser::PrepareToStopParsing()
#29 0x5612fa797ec8 blink::HTMLDocumentParser::ProcessTokenizedChunkFromBackgroundParser()
#30 0x5612fa7968aa blink::HTMLDocumentParser::PumpPendingSpeculations()
#31 0x5612f911b009 blink::TaskHandle::Runner::Run()
#32 0x5612f733a34b base::debug::TaskAnnotator::RunTask()
#33 0x5612f6f6b26e blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue()
#34 0x5612f6f69459 blink::scheduler::TaskQueueManager::DoWork()
#35 0x5612f733a34b base::debug::TaskAnnotator::RunTask()
#36 0x5612f73523eb base::MessageLoop::RunTask()
#37 0x5612f735278b base::MessageLoop::DeferOrRunPendingTask()
#38 0x5612f7352a64 base::MessageLoop::DoWork()
#39 0x5612f7353afa base::MessagePumpDefault::Run()
#40 0x5612f7370c90 base::RunLoop::Run()
#41 0x5612f974463c content::RendererMain()
#42 0x5612f7044872 content::RunZygote()
#43 0x5612f704595d content::ContentMainRunnerImpl::Run()
#44 0x5612f704d474 service_manager::Main()
#45 0x5612f70445c2 content::ContentMain()
#46 0x5612f9ad7365 headless::(anonymous namespace)::RunContentMain()
#47 0x5612f9ad7210 headless::RunChildProcessIfNeeded()
#48 0x5612f704a8b6 headless::HeadlessShellMain()
#49 0x5612f5c978ed ChromeMain