LibWeb: https://polar.sh crashes on load

[mattco98]

Happens a few seconds into the loading process. Regressed after #21700 (@networkException)

33.034 CrashReporter(53:57): --- Backtrace for thread #0 (TID 49) ---
33.034 CrashReporter(53:57): 0x0000001ce70adb18: [/usr/lib/libc.so] ak_verification_failed +0x58 (Assertions.cpp:108 => Assertions.cpp:101)
33.034 CrashReporter(53:57): 0x000000141a25f613: [/usr/lib/libweb.so.serenity] Web::Bindings::initialize_main_thread_vm()::{lambda(AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> > const&, JS::ModuleRequest const&)#1}::operator()(AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> > const&, JS::ModuleRequest const&) const [clone .isra.0] +0x5f3 (Optional.h:232 => Optional.h:227 => MainThreadVM.cpp:549)
33.039 CrashReporter(53:57): 0x000000141a25f722: [/usr/lib/libweb.so.serenity] AK::Function<JS::ThrowCompletionOr<JS::NonnullGCPtr<JS::Module> > (AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> >, JS::ModuleRequest const&)>::CallableWrapper<Web::Bindings::initialize_main_thread_vm()::{lambda(AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> > const&, JS::ModuleRequest const&)#1}>::call(AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> >, JS::ModuleRequest const&) +0x32 (Function.h:182)
33.039 CrashReporter(53:57): 0x00000016330dd723: [/usr/lib/libjs.so.serenity] AK::Function<JS::ThrowCompletionOr<JS::NonnullGCPtr<JS::Module> > (AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> >, JS::ModuleRequest const&)>::operator()(AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Script>, JS::NonnullGCPtr<JS::Module> >, JS::ModuleRequest const&) const +0x63 (Function.h:115)
33.039 CrashReporter(53:57): 0x00000016330d99f9: [/usr/lib/libjs.so.serenity] JS::CyclicModule::inner_module_linking(JS::VM&, AK::Vector<JS::Module*, 0ul>&, unsigned int) [clone .localalias] +0x149 (CyclicModule.cpp:246)
33.044 CrashReporter(53:57): 0x00000016330da35f: [/usr/lib/libjs.so.serenity] JS::CyclicModule::link(JS::VM&) +0x5f (CyclicModule.cpp:167)
33.044 CrashReporter(53:57): 0x000000141a5c75e2: [/usr/lib/libweb.so.serenity] JS::SafeFunction<Web::WebIDL::ExceptionOr<JS::Value> (JS::Value)>::CallableWrapper<Web::HTML::fetch_descendants_of_and_link_a_module_script(JS::Realm&, Web::HTML::JavaScriptModuleScript&, Web::HTML::EnvironmentSettingsObject&, Web::Fetch::Infrastructure::Request::Destination, JS::NonnullGCPtr<JS::HeapFunction<void (JS::GCPtr<Web::HTML::Script>)> >)::{lambda(auto:1 const&)#1}>::call(JS::Value) +0x42 (Fetching.cpp:697 => SafeFunction.h:133)
33.044 CrashReporter(53:57): 0x000000141a7cd053: [/usr/lib/libweb.so.serenity] JS::SafeFunction<Web::WebIDL::ExceptionOr<JS::Value> (JS::Value)>::CallableWrapper<Web::WebIDL::upon_fulfillment(JS::PromiseCapability const&, JS::SafeFunction<Web::WebIDL::ExceptionOr<JS::Value> (JS::Value)>)::{lambda(auto:1)#1}>::call(JS::Value) +0x63 (SafeFunction.h:85)
33.048 CrashReporter(53:57): 0x000000141a7cd1d2: [/usr/lib/libweb.so.serenity] AK::Function<JS::ThrowCompletionOr<JS::Value> (JS::VM&)>::CallableWrapper<Web::WebIDL::react_to_promise(JS::PromiseCapability const&, AK::Optional<JS::SafeFunction<Web::WebIDL::ExceptionOr<JS::Value> (JS::Value)> >, AK::Optional<JS::SafeFunction<Web::WebIDL::ExceptionOr<JS::Value> (JS::Value)> >)::{lambda(JS::VM&)#1}>::call(JS::VM&) +0x122 (SafeFunction.h:85)
33.048 CrashReporter(53:57): 0x00000016332ed45b: [/usr/lib/libjs.so.serenity] JS::NativeFunction::call() [clone .localalias] +0x7b (Function.h:115)
33.048 CrashReporter(53:57): 0x00000016332eed62: [/usr/lib/libjs.so.serenity] JS::NativeFunction::internal_call(JS::Value, JS::MarkedVector<JS::Value, 0ul>) [clone .localalias] +0x232 (NativeFunction.cpp:151)
33.048 CrashReporter(53:57): 0x000000163316083a: [/usr/lib/libjs.so.serenity] JS::call_impl(JS::VM&, JS::FunctionObject&, JS::Value, AK::Optional<JS::MarkedVector<JS::Value, 0ul> >) +0xaa (AbstractOperations.cpp:74)
33.048 CrashReporter(53:57): 0x000000141a25ddae: [/usr/lib/libweb.so.serenity] AK::Function<JS::ThrowCompletionOr<JS::Value> (JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>)>::CallableWrapper<Web::Bindings::initialize_main_thread_vm()::{lambda(JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>)#1}>::call(JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>) +0x1ce (AbstractOperations.h:102 => MainThreadVM.cpp:204 => Function.h:182)
33.054 CrashReporter(53:57): 0x000000163332a9dc: [/usr/lib/libjs.so.serenity] AK::Function<JS::ThrowCompletionOr<JS::Value> (JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>)>::operator()(JS::JobCallback&, JS::Value, JS::MarkedVector<JS::Value, 0ul>) const +0xec (Function.h:115)
33.054 CrashReporter(53:57): 0x000000163332a03c: [/usr/lib/libjs.so.serenity] JS::run_reaction_job(JS::VM&, JS::PromiseReaction&, JS::Value) +0x52c (PromiseJobs.cpp:57)
33.054 CrashReporter(53:57): 0x000000163332a383: [/usr/lib/libjs.so.serenity] AK::Function<JS::ThrowCompletionOr<JS::Value> ()>::CallableWrapper<JS::create_promise_reaction_job(JS::VM&, JS::PromiseReaction&, JS::Value)::{lambda()#1}>::call() +0x43 (PromiseJobs.cpp:96 => Function.h:182)
33.058 CrashReporter(53:57): 0x000000141a25e65a: [/usr/lib/libweb.so.serenity] Web::Bindings::initialize_main_thread_vm()::{lambda(AK::Function<JS::ThrowCompletionOr<JS::Value> ()>, JS::Realm*)#1}::operator()(AK::Function<JS::ThrowCompletionOr<JS::Value> ()>, JS::Realm*) const::{lambda()#1}::operator()() const +0xba (Function.h:115)
33.058 CrashReporter(53:57): 0x000000141a4be058: [/usr/lib/libweb.so.serenity] Web::HTML::Task::execute() +0x48 (SafeFunction.h:85)
33.058 CrashReporter(53:57): 0x000000141a4bb783: [/usr/lib/libweb.so.serenity] Web::HTML::EventLoop::perform_a_microtask_checkpoint() [clone .part.0] +0xa3 (EventLoop.cpp:303)
33.058 CrashReporter(53:57): 0x000000141a4bc80a: [/usr/lib/libweb.so.serenity] Web::HTML::EventLoop::process() +0x8a (EventLoop.cpp:288 => EventLoop.cpp:118)
33.058 CrashReporter(53:57): 0x000000141a71a4c8: [/usr/lib/libweb.so.serenity] AK::Function<void ()>::CallableWrapper<Web::Platform::TimerSerenity::TimerSerenity()::{lambda()#1}>::call() +0x48 (SafeFunc
tion.h:85)
33.058 CrashReporter(53:57): 0x000000147507bcf1: [/usr/lib/libcore.so.serenity] Core::Timer::timer_event(Core::TimerEvent&) [clone .localalias] +0xb1 (Function.h:115)
33.067 CrashReporter(53:57): 0x000000147505c9a4: [/usr/lib/libcore.so.serenity] Core::EventReceiver::dispatch_event(Core::Event&, Core::EventReceiver*) +0x54 (EventReceiver.cpp:163)
33.067 CrashReporter(53:57): 0x000000147507acdb: [/usr/lib/libcore.so.serenity] Core::ThreadEventQueue::process() +0x2eb (ThreadEventQueue.cpp:111)
33.067 CrashReporter(53:57): 0x0000001475055fa3: [/usr/lib/libcore.so.serenity] Core::EventLoop::spin_until(AK::Function<bool ()>) +0xc3 (EventLoop.cpp:98 => EventLoop.cpp:93)
33.067 CrashReporter(53:57): 0x000000141a718aa2: [/usr/lib/libweb.so.serenity] Web::Platform::EventLoopPluginSerenity::spin_until(JS::SafeFunction<bool ()>) +0x112 (EventLoopPluginSerenity.cpp:19)
33.067 CrashReporter(53:57): 0x000000141a4bbaf8: [/usr/lib/libweb.so.serenity] Web::HTML::EventLoop::spin_until(JS::SafeFunction<bool ()>) +0xe8 (EventLoop.cpp:78)
33.067 CrashReporter(53:57): 0x000000141a5883ba: [/usr/lib/libweb.so.serenity] Web::HTML::HTMLParser::the_end() [clone .part.0] +0xfa (HTMLParser.cpp:266)
33.067 CrashReporter(53:57): 0x000000141a59da55: [/usr/lib/libweb.so.serenity] Web::HTML::HTMLParser::run(AK::URL const&) [clone .localalias] +0x265 (HTMLParser.cpp:256 => HTMLParser.cpp:219)
33.072 CrashReporter(53:57): 0x000000141a3a3e34: [/usr/lib/libweb.so.serenity] Web::parse_document(Web::DOM::Document&, AK::Detail::ByteBuffer<32ul> const&) [clone .localalias] +0x8a4 (DocumentLoading.cpp:206)
33.072 CrashReporter(53:57): 0x000000141a3a5902: [/usr/lib/libweb.so.serenity] JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>::CallableWrapper<Web::load_document(AK::Optional<Web::HTML::NavigationParams>)::{lambda(AK::Detail::ByteBuffer<32ul>)#1}>::call(AK::Detail::ByteBuffer<32ul>) +0x62 (DocumentLoading.cpp:267 => SafeFunction.h:133)
33.072 CrashReporter(53:57): 0x000000141a44d45b: [/usr/lib/libweb.so.serenity] JS::SafeFunction<void ()>::CallableWrapper<Web::Fetch::Infrastructure::Body::fully_read(JS::Realm&, JS::SafeFunction<void (AK::Detail::ByteBuffer<32ul>)>, JS::SafeFunction<void (JS::GCPtr<Web::WebIDL::DOMException>)>, AK::Variant<AK::Empty, JS::NonnullGCPtr<JS::Object> >) const::{lambda(AK::Detail::ByteBuffer<32ul> const&)#1}::operator()(AK::Detail::ByteBuffer<32ul> const&)::{lambda()#1}>::call() +0xbb (SafeFunction.h:85)
33.072 CrashReporter(53:57): 0x000000141a4be058: [/usr/lib/libweb.so.serenity] Web::HTML::Task::execute() +0x48 (SafeFunction.h:85)
33.077 CrashReporter(53:57): 0x000000141a4bc7ed: [/usr/lib/libweb.so.serenity] Web::HTML::EventLoop::process() +0x6d (EventLoop.cpp:111)
33.077 CrashReporter(53:57): 0x000000141a71a4c8: [/usr/lib/libweb.so.serenity] AK::Function<void ()>::CallableWrapper<Web::Platform::TimerSerenity::TimerSerenity()::{lambda()#1}>::call() +0x48 (SafeFunction.h:85)
33.077 CrashReporter(53:57): 0x000000147507bcf1: [/usr/lib/libcore.so.serenity] Core::Timer::timer_event(Core::TimerEvent&) [clone .localalias] +0xb1 (Function.h:115)
33.077 CrashReporter(53:57): 0x000000147505c9a4: [/usr/lib/libcore.so.serenity] Core::EventReceiver::dispatch_event(Core::Event&, Core::EventReceiver*) +0x54 (EventReceiver.cpp:163)
33.077 CrashReporter(53:57): 0x000000147507acdb: [/usr/lib/libcore.so.serenity] Core::ThreadEventQueue::process() +0x2eb (ThreadEventQueue.cpp:111)
33.077 CrashReporter(53:57): 0x0000001475059753: [/usr/lib/libcore.so.serenity] Core::EventLoopImplementationUnix::exec() +0x33 (EventLoopImplementationUnix.cpp:109 => EventLoopImplementationUnix.cpp:101)
33.081 CrashReporter(53:57): 0x000000147505611c: [/usr/lib/libcore.so.serenity] Core::EventLoop::exec() +0x4c (EventLoop.cpp:86)
33.081 CrashReporter(53:57): 0x00000018fa702262: [/bin/WebContent] serenity_main(Main::Arguments) +0x5f2 (main.cpp:59)
33.081 CrashReporter(53:57): 0x00000018fa656957: [/bin/WebContent] main +0x147 (Main.cpp:43)
33.081 CrashReporter(53:57): 0x00000018fa656ab4: [/bin/WebContent] _entry +0x24 (crt0.cpp:41)