Bug 169755 – ASSERTION FAILED: !track->mediaElement() || track->mediaElement() == mediaElement() in WebCore::TextTrackList::append

• Component: WebCore Misc.
• Status: NEW

[Renata Hodovan]

Created attachment 304642 [details]
Test

Load the attached test with debug WebKitTestRunner:

Checked version: c9b0459
OS: macOS Sierra (10.12.3)

<video>
    <i>
        <li>
            <video>
                <track></track>
            </video>
    </i>
</video>

Backtrace:

ASSERTION FAILED: !track->mediaElement() || track->mediaElement() == mediaElement()
WebKit/Source/WebCore/html/track/TextTrackList.cpp(203) : void WebCore::TextTrackList::append(Ref<WebCore::TextTrack> &&)
1   0x12d02f521 WTFCrash
2   0x1158946d9 WebCore::TextTrackList::append(WTF::Ref<WebCore::TextTrack>&&)
3   0x1109e6160 WebCore::HTMLMediaElement::addTextTrack(WTF::Ref<WebCore::TextTrack>&&)
4   0x1109e8087 WebCore::HTMLMediaElement::didAddTextTrack(WebCore::HTMLTrackElement&)
5   0x110b538c0 WebCore::HTMLTrackElement::insertedInto(WebCore::ContainerNode&)
6   0x10f19da54 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
7   0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
8   0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
9   0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
10  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
11  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
12  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
13  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
14  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
15  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
16  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
17  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
18  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
19  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
20  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
21  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
22  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
23  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
24  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
25  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
26  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
27  0x10f19fe25 WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
28  0x10f19daa4 WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
29  0x10f19d856 WebCore::notifyChildNodeInserted(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&)
30  0x10f177afe WebCore::ContainerNode::notifyChildInserted(WebCore::Node&, WebCore::ContainerNode::ChildChange const&)
31  0x10f175532 WebCore::ContainerNode::parserAppendChild(WebCore::Node&)
ASAN:DEADLYSIGNAL
=================================================================
==42554==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00012d02f559 bp 0x7fff59130430 sp 0x7fff59130420 T0)
    #0 0x12d02f558 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x36db558)
    #1 0x1158946d8 in WebCore::TextTrackList::append(WTF::Ref<WebCore::TextTrack>&&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6fe06d8)
    #2 0x1109e615f in WebCore::HTMLMediaElement::addTextTrack(WTF::Ref<WebCore::TextTrack>&&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x213215f)
    #3 0x1109e8086 in WebCore::HTMLMediaElement::didAddTextTrack(WebCore::HTMLTrackElement&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x2134086)
    #4 0x110b538bf in WebCore::HTMLTrackElement::insertedInto(WebCore::ContainerNode&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x229f8bf)
    #5 0x10f19da53 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9a53)
    #6 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #7 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #8 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #9 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #10 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #11 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #12 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #13 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #14 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #15 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #16 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #17 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #18 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #19 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #20 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #21 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #22 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #23 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #24 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #25 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #26 0x10f19fe24 in WebCore::notifyDescendantInsertedIntoDocument(WebCore::ContainerNode&, WebCore::ContainerNode&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8ebe24)
    #27 0x10f19daa3 in WebCore::notifyNodeInsertedIntoDocument(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9aa3)
    #28 0x10f19d855 in WebCore::notifyChildNodeInserted(WebCore::ContainerNode&, WebCore::Node&, WTF::Vector<WTF::Ref<WebCore::Node>, 11ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8e9855)
    #29 0x10f177afd in WebCore::ContainerNode::notifyChildInserted(WebCore::Node&, WebCore::ContainerNode::ChildChange const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8c3afd)
    #30 0x10f175531 in WebCore::ContainerNode::parserAppendChild(WebCore::Node&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x8c1531)
    #31 0x110858f9c in WebCore::insert(WebCore::HTMLConstructionSiteTask&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1fa4f9c)
    #32 0x110858b1c in WebCore::executeInsertAlreadyParsedChildTask(WebCore::HTMLConstructionSiteTask&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1fa4b1c)
    #33 0x11084dcff in WebCore::executeTask(WebCore::HTMLConstructionSiteTask&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1f99cff)
    #34 0x11084da98 in WebCore::HTMLConstructionSite::executeQueuedTasks() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1f99a98)
    #35 0x110b5d3d2 in WebCore::HTMLTreeBuilder::constructTree(WebCore::AtomicHTMLToken&&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x22a93d2)
    #36 0x1108c9e57 in WebCore::HTMLDocumentParser::constructTreeFromHTMLToken(WebCore::HTMLTokenizer::TokenPtr&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x2015e57)
    #37 0x1108c97d7 in WebCore::HTMLDocumentParser::pumpTokenizerLoop(WebCore::HTMLDocumentParser::SynchronousMode, bool, WebCore::PumpSession&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x20157d7)
    #38 0x1108c6752 in WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x2012752)
    #39 0x1108c5f3f in WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x2011f3f)
    #40 0x1108cb73f in WebCore::HTMLDocumentParser::append(WTF::RefPtr<WTF::StringImpl>&&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x201773f)
    #41 0x10f937121 in WebCore::DecodedDataDocumentParser::flush(WebCore::DocumentWriter&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1083121)
    #42 0x10fc61c53 in WebCore::DocumentWriter::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x13adc53)
    #43 0x10fba8776 in WebCore::DocumentLoader::finishedLoading() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12f4776)
    #44 0x10fba8172 in WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12f4172)
    #45 0x10eecc273 in WebCore::CachedResource::checkNotify() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x618273)
    #46 0x10eecc903 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x618903)
    #47 0x10eebe198 in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x60a198)
    #48 0x1154454c9 in WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6b914c9)
    #49 0x108d15ac5 in WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics const&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1f14ac5)
    #50 0x108d25989 in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>&&, std::__1::integer_sequence<unsigned long, 0ul>) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1f24989)
    #51 0x108d25594 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebCore::NetworkLoadMetrics>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1f24594)
    #52 0x108d22648 in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1f21648)
    #53 0x108d207fa in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1f1f7fa)
    #54 0x107719040 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x918040)
    #55 0x10701c56a in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x21b56a)
    #56 0x107000b94 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1ffb94)
    #57 0x10701d255 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x21c255)
    #58 0x10705deac in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x25ceac)
    #59 0x10705ddd8 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x25cdd8)
    #60 0x12d0b3470 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x375f470)
    #61 0x12d1021a0 in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x37ae1a0)
    #62 0x12d1031d1 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x37af1d1)
    #63 0x7fff79d43980 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xa7980)
    #64 0x7fff79d24a7c in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88a7c)
    #65 0x7fff79d23f75 in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x87f75)
    #66 0x7fff79d23973 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x87973)
    #67 0x7fff792afa5b in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30a5b)
    #68 0x7fff792af890 in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30890)
    #69 0x7fff792af6c5 in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x306c5)
    #70 0x7fff778555b3 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x475b3)
    #71 0x7fff77fcfd6a in -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x7c1d6a)
    #72 0x7fff77849f34 in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3bf34)
    #73 0x7fff7781484f in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x684f)
    #74 0x7fff8f4df8c6 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x108c6)
    #75 0x7fff8f4de2e3 in xpc_main (/usr/lib/system/libxpc.dylib+0xf2e3)
    #76 0x106ac9fb2 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001fb2)
    #77 0x7fff8f27b254 in start (/usr/lib/system/libdyld.dylib+0x5254)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x36db558) in WTFCrash
==42554==ABORTING
#CRASHED - com.apple.WebKit.WebContent.Development (pid 42554)
LEAK: 1 WebProcessPool
LEAK: 1 WebPageProxy