Attachment 343584 Details for Bug 98345 – gdb log

gdb log

gdb.log (text/x-log), 98.69 KB, created by Fujii Hironori on 2018-06-25 22:13:46 PDT

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Creator: Fujii Hironori

Created: 2018-06-25 22:13:46 PDT

Size: 98.69 KB

patch

obsolete

>Current directory is /home/fujii/work/webkit/ga/WebKitBuild/Debug/
>GNU gdb (Ubuntu 8.1-0ubuntu3) 8.1.0.20180409-git
>Copyright (C) 2018 Free Software Foundation, Inc.
>License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>This is free software: you are free to change and redistribute it.
>There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
>and "show warranty" for details.
>This GDB was configured as "x86_64-linux-gnu".
>Type "show configuration" for configuration details.
>For bug reporting instructions, please see:
><http://www.gnu.org/software/gdb/bugs/>.
>Find the GDB manual and other documentation resources online at:
><http://www.gnu.org/software/gdb/documentation/>.
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>Attaching to process 26306
>[New LWP 26325]
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
>0x00007f6d33f2d9d0 in __GI___nanosleep (requested_time=0x7ffd63c982e0, remaining=0x7ffd63c982f0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
>28	../sysdeps/unix/sysv/linux/nanosleep.c: No such file or directory.
>Breakpoint 1 at 0x7f6d3e7198ae: file ../../Source/WebCore/dom/Document.cpp, line 2621.
>(gdb) c
>Continuing.
>[New Thread 0x7f6d1de21700 (LWP 26346)]
>[New Thread 0x7f6d1d620700 (LWP 26347)]
>[New Thread 0x7f6d1ce1f700 (LWP 26348)]
>[New Thread 0x7f6cd7ffd700 (LWP 26349)]
>[New Thread 0x7f6cd716e700 (LWP 26350)]
>[New Thread 0x7f6cd696d700 (LWP 26351)]
>[New Thread 0x7f6cd4813700 (LWP 26353)]
>[New Thread 0x7f6cb75ff700 (LWP 26354)]
>[New Thread 0x7f6caf3ff700 (LWP 26356)]
>
>Thread 1 "WebKitWebProces" hit Breakpoint 1, WebCore::Document::open (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2621
>(gdb) bt
>#0  WebCore::Document::open (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2621
>#1  0x00007f6d3e719861 in WebCore::Document::openForBindings (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2615
>#2  0x00007f6d3d6126d4 in WebCore::jsDocumentPrototypeFunctionOpen1Body (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4821
>#3  0x00007f6d3d612a24 in WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4846
>#4  0x00007f6d3d62ee67 in WebCore::IDLOperation<WebCore::JSDocument>::call<WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher> (state=..., 
>    operationName=0x7f6d41137736 "open") at ../../Source/WebCore/bindings/js/JSDOMOperation.h:53
>#5  0x00007f6d3d612ace in WebCore::jsDocumentPrototypeFunctionOpen (state=0x7ffd63c95db0) at DerivedSources/WebCore/JSDocument.cpp:4862
>#6  0x00007f6d2f730c5d in llint_entry () from /home/fujii/work/webkit/ga/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18
>#7  0x00007f6d2f7301b6 in llint_entry () from /home/fujii/work/webkit/ga/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18
>#8  0x00007f6d2f7289cf in vmEntryToJavaScript () from /home/fujii/work/webkit/ga/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18
>#9  0x00007f6d2f6619b1 in JSC::JITCode::execute (this=0x7f6cb52b5640, vm=0x7f6cb7c00000, protoCallFrame=0x7ffd63c96040) at ../../Source/JavaScriptCore/jit/JITCodeInlines.h:38
>#10 0x00007f6d2f659327 in JSC::Interpreter::executeCall (this=0x7f6d1e2ff7e0, callFrame=0x7f6cb78e1fa8, function=0x7f6cb44f0450, callType=<incomplete type>, callData=..., 
>    thisValue=..., args=...) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1023
>#11 0x00007f6d2f8a583a in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:41
>#12 0x00007f6d2f8a5920 in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:48
>#13 0x00007f6d2f8a5b12 in JSC::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., callType=<incomplete type>, callData=..., 
>    thisValue=..., args=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/CallData.cpp:67
>#14 0x00007f6d3e357748 in WebCore::JSMainThreadExecState::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., 
>    callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...) at ../../Source/WebCore/bindings/js/JSMainThreadExecState.h:72
>#15 0x00007f6d3e3916e0 in WebCore::JSEventListener::handleEvent (this=0x7f6cb52d9ea8, scriptExecutionContext=..., event=...)
>    at ../../Source/WebCore/bindings/js/JSEventListener.cpp:170
>#16 0x00007f6d3e7cdcde in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=..., listeners=...) at ../../Source/WebCore/dom/EventTarget.cpp:292
>#17 0x00007f6d3e7cd7ee in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=...) at ../../Source/WebCore/dom/EventTarget.cpp:234
>#18 0x00007f6d3eebf48d in WebCore::DOMWindow::dispatchEvent (this=0x7f6d1e29ebd0, event=..., target=0x7f6cb5c02e20) at ../../Source/WebCore/page/DOMWindow.cpp:2068
>#19 0x00007f6d3ed8f08b in WebCore::FrameLoader::dispatchUnloadEvents (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:3153
>#20 0x00007f6d3ed823f8 in WebCore::FrameLoader::stopLoading (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:476
>#21 0x00007f6d3ed82710 in WebCore::FrameLoader::closeURL (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:541
>#22 0x00007f6d3ed8a705 in WebCore::FrameLoader::transitionToCommitted (this=0x555958ad8a20, cachedPage=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:2064
>#23 0x00007f6d3ed89d57 in WebCore::FrameLoader::commitProvisionalLoad (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:1948
>#24 0x00007f6d3ed553a9 in WebCore::DocumentLoader::commitIfReady (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:357
>#25 0x00007f6d3ed58827 in WebCore::DocumentLoader::commitLoad (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:959
>#26 0x00007f6d3ed594a4 in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:1108
>#27 0x00007f6d3ed592db in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, resource=..., data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/DocumentLoader.cpp:1081
>#28 0x00007f6d3ee47f8c in WebCore::CachedRawResource::notifyClientsDataWasReceived (this=0x7f6cb7eec080, data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:136
>#29 0x00007f6d3ee47b51 in WebCore::CachedRawResource::updateBuffer (this=0x7f6cb7eec080, data=...) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:73
>#30 0x00007f6d3edf2fc6 in WebCore::SubresourceLoader::didReceiveDataOrBuffer (this=0x7f6d1e261000, data=0x0, length=0, buffer=..., encodedDataLength=2, 
>    dataPayloadType=WebCore::DataPayloadWholeResource) at ../../Source/WebCore/loader/SubresourceLoader.cpp:455
>#31 0x00007f6d3edf2d78 in WebCore::SubresourceLoader::didReceiveBuffer (this=0x7f6d1e261000, buffer=..., encodedDataLength=2, dataPayloadType=WebCore::DataPayloadWholeResource)
>    at ../../Source/WebCore/loader/SubresourceLoader.cpp:435
>#32 0x00007f6d3ede24c4 in WebCore::ResourceLoader::<lambda(auto:11)>::<lambda()>::operator()(void) (__closure=0x7f6cb52b5e68)
>    at ../../Source/WebCore/loader/ResourceLoader.cpp:279
>#33 0x00007f6d3ede30ea in WTF::Function<void()>::CallableWrapper<WebCore::ResourceLoader::loadDataURL()::<lambda(auto:11)> mutable [with auto:11 = std::optional<WebCore::DataURLDecoder::Result>]::<lambda()> >::call(void) (this=0x7f6cb52b5e60) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#34 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c97060) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#35 0x00007f6d3c8ac2f2 in WTF::CompletionHandler<void ()>::operator()() const (this=0x7ffd63c97090) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:60
>#36 0x00007f6d3edf2c62 in WebCore::SubresourceLoader::didReceiveResponsePolicy (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:411
>#37 0x00007f6d3ed5737e in WebCore::DocumentLoader::<lambda(WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (__closure=0x7f6cb52b5e90, 
>    policy=WebCore::PolicyAction::Use) at ../../Source/WebCore/loader/DocumentLoader.cpp:838
>#38 0x00007f6d3ed6554e in WTF::Function<void(WebCore::PolicyAction)>::CallableWrapper<WebCore::DocumentLoader::responseReceived(const WebCore::ResourceResponse&, WTF::CompletionHandler<void()>&&)::<lambda(WebCore::PolicyAction)> >::call(WebCore::PolicyAction) (this=0x7f6cb52b5e88, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#39 0x00007f6d3c869174 in WTF::Function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (this=0x7ffd63c97178, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#40 0x00007f6d3d006edc in WebKit::WebFrame::didReceivePolicyDecision (this=0x7f6d1e2f5a50, listenerID=4, action=WebCore::PolicyAction::Use, navigationID=3, downloadID=..., 
>    websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebFrame.cpp:281
>#41 0x00007f6d3d01f216 in WebKit::WebPage::didReceivePolicyDecision (this=0x7f6d1c5f8600, frameID=2, listenerID=4, policyAction=WebCore::PolicyAction::Use, navigationID=3, 
>    downloadID=..., websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:2832
>#42 0x00007f6d3d1bc3c9 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> (object=0x7f6d1c5f8600, function=
>---Type <return> to continue, or q <return> to quit---
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:41
>#43 0x00007f6d3d1b8b2e in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> > (args=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:47
>#44 0x00007f6d3d1b054c in IPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision, WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)> (decoder=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:127
>#45 0x00007f6d3d1a9717 in WebKit::WebPage::didReceiveWebPageMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at DerivedSources/WebKit/WebPageMessageReceiver.cpp:688
>#46 0x00007f6d3d022c27 in WebKit::WebPage::didReceiveMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4015
>#47 0x00007f6d3ca0525f in IPC::MessageReceiverMap::dispatchMessage (this=0x5559582b6c50, connection=..., decoder=...)
>    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
>#48 0x00007f6d3cde9e2a in WebKit::WebProcess::didReceiveMessage (this=0x5559582b6be0, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:641
>#49 0x00007f6d3c9ea132 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:939
>#50 0x00007f6d3c9ea2a5 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, message=std::unique_ptr<IPC::Decoder> = {...})
>    at ../../Source/WebKit/Platform/IPC/Connection.cpp:966
>#51 0x00007f6d3c9ea7f3 in IPC::Connection::dispatchOneIncomingMessage (this=0x7f6d1e2e7000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1035
>#52 0x00007f6d3c9e9f95 in IPC::Connection::<lambda()>::operator()(void) (__closure=0x7f6d1e2e6238) at ../../Source/WebKit/Platform/IPC/Connection.cpp:933
>#53 0x00007f6d3c9f15c2 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (
>    this=0x7f6d1e2e6230) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#54 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c980f0) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#55 0x00007f6d2fd134eb in WTF::RunLoop::performWork (this=0x7f6d1e2f8000) at ../../Source/WTF/wtf/RunLoop.cpp:106
>#56 0x00007f6d2fd63f74 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
>#57 0x00007f6d2fd63f98 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
>#58 0x00007f6d2fd63f26 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x5559582d6110, 
>    callback=0x7f6d2fd63f7b <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
>#59 0x00007f6d2fd63f55 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
>#60 0x00007f6d31931c55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
>#61 g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
>#62 0x00007f6d31932020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
>#63 0x00007f6d31932332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
>#64 0x00007f6d2fd64483 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>#65 0x00007f6d3d4a0f5a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=3, argv=0x7ffd63c984f8)
>    at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61
>#66 0x00007f6d3d4a0c17 in WebKit::WebProcessMainUnix (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:67
>#67 0x000055595692ba45 in main (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:52
>Breakpoint 2 at 0x7f6d3ed8c043: file ../../Source/WebCore/loader/FrameLoader.cpp, line 2500.
>Breakpoint 3 at 0x7f6d3ed89436: file ../../Source/WebCore/loader/FrameLoader.cpp, line 1845.
>(gdb) c
>Continuing.
>
>Thread 1 "WebKitWebProces" hit Breakpoint 2, WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2500
>(gdb) bt
>#0  WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2500
>#1  0x00007f6d3ed8c8f4 in WebCore::FrameLoader::checkLoadComplete (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2622
>#2  0x00007f6d3ed89334 in WebCore::FrameLoader::stopForUserCancel (this=0x5559582f9020, deferCheckLoadComplete=false) at ../../Source/WebCore/loader/FrameLoader.cpp:1820
>#3  0x00007f6d3f767806 in WebCore::UserInputBridge::stopLoadingFrame (this=0x5559582d8de0, frame=0x7f6d1e2bc330) at ../../Source/WebCore/replay/UserInputBridge.cpp:127
>#4  0x00007f6d3d019cb5 in WebKit::WebPage::stopLoading (this=0x7f6d1c5f8600) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:1370
>#5  0x00007f6d3ce65517 in WKBundlePageStopLoading (pageRef=0x7f6d1c5f8600) at ../../Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp:304
>#6  0x00007f6cd746df85 in WTR::InjectedBundlePage::stopLoading (this=0x5559585790f0) at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:402
>#7  0x00007f6cd7463453 in WTR::InjectedBundle::done (this=0x5559584cf9a0) at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundle.cpp:479
>#8  0x00007f6cd746ff3f in WTR::InjectedBundlePage::dump (this=0x5559585790f0) at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:944
>#9  0x00007f6cd7474e9f in WTR::InjectedBundlePage::frameDidChangeLocation (this=0x5559585790f0, frame=0x7f6d1e2f5258)
>    at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:2043
>#10 0x00007f6cd746fffe in WTR::InjectedBundlePage::didFinishLoadForFrame (this=0x5559585790f0, frame=0x7f6d1e2f5258)
>    at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:956
>#11 0x00007f6cd746ea7f in WTR::InjectedBundlePage::didFinishLoadForFrame (page=0x7f6d1c5f8600, frame=0x7f6d1e2f5258, clientInfo=0x5559585790f0)
>    at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:583
>#12 0x00007f6d3ce577da in WebKit::InjectedBundlePageLoaderClient::didFinishLoadForFrame (this=0x55595825d4a0, page=..., frame=..., userData=...)
>    at ../../Source/WebKit/WebProcess/InjectedBundle/InjectedBundlePageLoaderClient.cpp:150
>#13 0x00007f6d3cfc3e27 in WebKit::WebFrameLoaderClient::dispatchDidFinishLoad (this=0x5559585aff60)
>    at ../../Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:610
>#14 0x00007f6d3ed8bec4 in WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2478
>#15 0x00007f6d3ed8c8f4 in WebCore::FrameLoader::checkLoadComplete (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2622
>#16 0x00007f6d3ed8e6a5 in WebCore::FrameLoader::receivedMainResourceError (this=0x555958ad8a20, error=...) at ../../Source/WebCore/loader/FrameLoader.cpp:3023
>#17 0x00007f6d3ed54e06 in WebCore::DocumentLoader::mainReceivedError (this=0x7f6cb52dd000, error=...) at ../../Source/WebCore/loader/DocumentLoader.cpp:256
>#18 0x00007f6d3ed555a5 in WebCore::DocumentLoader::notifyFinished (this=0x7f6cb52dd000, resource=...) at ../../Source/WebCore/loader/DocumentLoader.cpp:392
>#19 0x00007f6d3ee4b99e in WebCore::CachedResource::checkNotify (this=0x7f6cb7eec080) at ../../Source/WebCore/loader/cache/CachedResource.cpp:341
>#20 0x00007f6d3ee4bbc4 in WebCore::CachedResource::cancelLoad (this=0x7f6cb7eec080) at ../../Source/WebCore/loader/cache/CachedResource.cpp:377
>#21 0x00007f6d3edf4262 in WebCore::SubresourceLoader::didCancel (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:720
>#22 0x00007f6d3eddd909 in WebCore::ResourceLoader::cancel (this=0x7f6d1e261000, error=...) at ../../Source/WebCore/loader/ResourceLoader.cpp:621
>#23 0x00007f6d3ed5c926 in WebCore::DocumentLoader::cancelMainResourceLoad (this=0x7f6cb52dd000, resourceError=...) at ../../Source/WebCore/loader/DocumentLoader.cpp:1835
>#24 0x00007f6d3ed551bf in WebCore::DocumentLoader::stopLoading (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:329
>#25 0x00007f6d3ed891d3 in WebCore::FrameLoader::stopAllLoaders (this=0x555958ad8a20, clearProvisionalItemPolicy=WebCore::ShouldClearProvisionalItem)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:1780
>#26 0x00007f6d3ed8cc14 in WebCore::FrameLoader::detachFromParent (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2680
>#27 0x00007f6d3ed8cb47 in WebCore::FrameLoader::frameDetached (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2665
>#28 0x00007f6d3ea2c44b in WebCore::HTMLFrameOwnerElement::disconnectContentFrame (this=0x7f6cb4c000a0) at ../../Source/WebCore/html/HTMLFrameOwnerElement.cpp:82
>#29 0x00007f6d3e6d6cbe in WebCore::disconnectSubframes (root=..., policy=WebCore::DescendantsOnly) at ../../Source/WebCore/dom/ContainerNodeAlgorithms.cpp:308
>#30 0x00007f6d3e6da646 in WebCore::disconnectSubframesIfNeeded (root=..., policy=WebCore::DescendantsOnly) at ../../Source/WebCore/dom/ContainerNodeAlgorithms.h:78
>#31 0x00007f6d3e6db2ca in WebCore::ContainerNode::removeAllChildrenWithScriptAssertion (this=0x7f6cb5c01ec0, source=WebCore::ContainerNode::ChildChangeSource::API, 
>    deferChildrenChanged=WebCore::ContainerNode::DeferChildrenChanged::No) at ../../Source/WebCore/dom/ContainerNode.cpp:102
>#32 0x00007f6d3e6d3ec0 in WebCore::ContainerNode::removeChildren (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/ContainerNode.cpp:658
>#33 0x00007f6d3e719bd3 in WebCore::Document::implicitOpen (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2680
>#34 0x00007f6d3e719a95 in WebCore::Document::open (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2649
>#35 0x00007f6d3e719861 in WebCore::Document::openForBindings (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2615
>#36 0x00007f6d3d6126d4 in WebCore::jsDocumentPrototypeFunctionOpen1Body (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4821
>#37 0x00007f6d3d612a24 in WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4846
>#38 0x00007f6d3d62ee67 in WebCore::IDLOperation<WebCore::JSDocument>::call<WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher> (state=..., 
>    operationName=0x7f6d41137736 "open") at ../../Source/WebCore/bindings/js/JSDOMOperation.h:53
>#39 0x00007f6d3d612ace in WebCore::jsDocumentPrototypeFunctionOpen (state=0x7ffd63c95db0) at DerivedSources/WebCore/JSDocument.cpp:4862
>#40 0x00007f6d2f730c5d in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#41 0x00007f6d2f7301b6 in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#42 0x00007f6d2f7289cf in vmEntryToJavaScript () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#43 0x00007f6d2f6619b1 in JSC::JITCode::execute (this=0x7f6cb52b5640, vm=0x7f6cb7c00000, protoCallFrame=0x7ffd63c96040) at ../../Source/JavaScriptCore/jit/JITCodeInlines.h:38
>#44 0x00007f6d2f659327 in JSC::Interpreter::executeCall (this=0x7f6d1e2ff7e0, callFrame=0x7f6cb78e1fa8, function=0x7f6cb44f0450, callType=<incomplete type>, callData=..., 
>    thisValue=..., args=...) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1023
>#45 0x00007f6d2f8a583a in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:41
>#46 0x00007f6d2f8a5920 in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:48
>#47 0x00007f6d2f8a5b12 in JSC::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., callType=<incomplete type>, callData=..., 
>    thisValue=..., args=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/CallData.cpp:67
>#48 0x00007f6d3e357748 in WebCore::JSMainThreadExecState::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., 
>    callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...) at ../../Source/WebCore/bindings/js/JSMainThreadExecState.h:72
>#49 0x00007f6d3e3916e0 in WebCore::JSEventListener::handleEvent (this=0x7f6cb52d9ea8, scriptExecutionContext=..., event=...)
>    at ../../Source/WebCore/bindings/js/JSEventListener.cpp:170
>#50 0x00007f6d3e7cdcde in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=..., listeners=...) at ../../Source/WebCore/dom/EventTarget.cpp:292
>#51 0x00007f6d3e7cd7ee in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=...) at ../../Source/WebCore/dom/EventTarget.cpp:234
>---Type <return> to continue, or q <return> to quit---
>#52 0x00007f6d3eebf48d in WebCore::DOMWindow::dispatchEvent (this=0x7f6d1e29ebd0, event=..., target=0x7f6cb5c02e20) at ../../Source/WebCore/page/DOMWindow.cpp:2068
>#53 0x00007f6d3ed8f08b in WebCore::FrameLoader::dispatchUnloadEvents (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:3153
>#54 0x00007f6d3ed823f8 in WebCore::FrameLoader::stopLoading (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:476
>#55 0x00007f6d3ed82710 in WebCore::FrameLoader::closeURL (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:541
>#56 0x00007f6d3ed8a705 in WebCore::FrameLoader::transitionToCommitted (this=0x555958ad8a20, cachedPage=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:2064
>#57 0x00007f6d3ed89d57 in WebCore::FrameLoader::commitProvisionalLoad (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:1948
>#58 0x00007f6d3ed553a9 in WebCore::DocumentLoader::commitIfReady (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:357
>#59 0x00007f6d3ed58827 in WebCore::DocumentLoader::commitLoad (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:959
>#60 0x00007f6d3ed594a4 in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:1108
>#61 0x00007f6d3ed592db in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, resource=..., data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/DocumentLoader.cpp:1081
>#62 0x00007f6d3ee47f8c in WebCore::CachedRawResource::notifyClientsDataWasReceived (this=0x7f6cb7eec080, data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:136
>#63 0x00007f6d3ee47b51 in WebCore::CachedRawResource::updateBuffer (this=0x7f6cb7eec080, data=...) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:73
>#64 0x00007f6d3edf2fc6 in WebCore::SubresourceLoader::didReceiveDataOrBuffer (this=0x7f6d1e261000, data=0x0, length=0, buffer=..., encodedDataLength=2, 
>    dataPayloadType=WebCore::DataPayloadWholeResource) at ../../Source/WebCore/loader/SubresourceLoader.cpp:455
>#65 0x00007f6d3edf2d78 in WebCore::SubresourceLoader::didReceiveBuffer (this=0x7f6d1e261000, buffer=..., encodedDataLength=2, dataPayloadType=WebCore::DataPayloadWholeResource)
>    at ../../Source/WebCore/loader/SubresourceLoader.cpp:435
>#66 0x00007f6d3ede24c4 in WebCore::ResourceLoader::<lambda(auto:11)>::<lambda()>::operator()(void) (__closure=0x7f6cb52b5e68)
>    at ../../Source/WebCore/loader/ResourceLoader.cpp:279
>#67 0x00007f6d3ede30ea in WTF::Function<void()>::CallableWrapper<WebCore::ResourceLoader::loadDataURL()::<lambda(auto:11)> mutable [with auto:11 = std::optional<WebCore::DataURLDecoder::Result>]::<lambda()> >::call(void) (this=0x7f6cb52b5e60) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#68 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c97060) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#69 0x00007f6d3c8ac2f2 in WTF::CompletionHandler<void ()>::operator()() const (this=0x7ffd63c97090) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:60
>#70 0x00007f6d3edf2c62 in WebCore::SubresourceLoader::didReceiveResponsePolicy (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:411
>#71 0x00007f6d3ed5737e in WebCore::DocumentLoader::<lambda(WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (__closure=0x7f6cb52b5e90, 
>    policy=WebCore::PolicyAction::Use) at ../../Source/WebCore/loader/DocumentLoader.cpp:838
>#72 0x00007f6d3ed6554e in WTF::Function<void(WebCore::PolicyAction)>::CallableWrapper<WebCore::DocumentLoader::responseReceived(const WebCore::ResourceResponse&, WTF::CompletionHandler<void()>&&)::<lambda(WebCore::PolicyAction)> >::call(WebCore::PolicyAction) (this=0x7f6cb52b5e88, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#73 0x00007f6d3c869174 in WTF::Function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (this=0x7ffd63c97178, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#74 0x00007f6d3d006edc in WebKit::WebFrame::didReceivePolicyDecision (this=0x7f6d1e2f5a50, listenerID=4, action=WebCore::PolicyAction::Use, navigationID=3, downloadID=..., 
>    websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebFrame.cpp:281
>#75 0x00007f6d3d01f216 in WebKit::WebPage::didReceivePolicyDecision (this=0x7f6d1c5f8600, frameID=2, listenerID=4, policyAction=WebCore::PolicyAction::Use, navigationID=3, 
>    downloadID=..., websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:2832
>#76 0x00007f6d3d1bc3c9 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> (object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:41
>#77 0x00007f6d3d1b8b2e in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> > (args=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:47
>#78 0x00007f6d3d1b054c in IPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision, WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)> (decoder=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:127
>#79 0x00007f6d3d1a9717 in WebKit::WebPage::didReceiveWebPageMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at DerivedSources/WebKit/WebPageMessageReceiver.cpp:688
>#80 0x00007f6d3d022c27 in WebKit::WebPage::didReceiveMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4015
>#81 0x00007f6d3ca0525f in IPC::MessageReceiverMap::dispatchMessage (this=0x5559582b6c50, connection=..., decoder=...)
>    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
>#82 0x00007f6d3cde9e2a in WebKit::WebProcess::didReceiveMessage (this=0x5559582b6be0, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:641
>#83 0x00007f6d3c9ea132 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:939
>#84 0x00007f6d3c9ea2a5 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, message=std::unique_ptr<IPC::Decoder> = {...})
>    at ../../Source/WebKit/Platform/IPC/Connection.cpp:966
>#85 0x00007f6d3c9ea7f3 in IPC::Connection::dispatchOneIncomingMessage (this=0x7f6d1e2e7000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1035
>#86 0x00007f6d3c9e9f95 in IPC::Connection::<lambda()>::operator()(void) (__closure=0x7f6d1e2e6238) at ../../Source/WebKit/Platform/IPC/Connection.cpp:933
>#87 0x00007f6d3c9f15c2 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (
>    this=0x7f6d1e2e6230) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#88 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c980f0) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>---Type <return> to continue, or q <return> to quit---
>#89 0x00007f6d2fd134eb in WTF::RunLoop::performWork (this=0x7f6d1e2f8000) at ../../Source/WTF/wtf/RunLoop.cpp:106
>#90 0x00007f6d2fd63f74 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
>#91 0x00007f6d2fd63f98 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
>#92 0x00007f6d2fd63f26 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x5559582d6110, 
>    callback=0x7f6d2fd63f7b <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
>#93 0x00007f6d2fd63f55 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
>#94 0x00007f6d31931c55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
>#95 g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
>#96 0x00007f6d31932020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
>#97 0x00007f6d31932332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
>#98 0x00007f6d2fd64483 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>#99 0x00007f6d3d4a0f5a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=3, argv=0x7ffd63c984f8)
>    at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61
>#100 0x00007f6d3d4a0c17 in WebKit::WebProcessMainUnix (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:67
>#101 0x000055595692ba45 in main (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:52
>(gdb) c
>Continuing.
>
>Thread 1 "WebKitWebProces" hit Breakpoint 2, WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2500
>(gdb) bt
>#0  WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2500
>#1  0x00007f6d3ed8c8f4 in WebCore::FrameLoader::checkLoadComplete (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2622
>#2  0x00007f6d3ed89334 in WebCore::FrameLoader::stopForUserCancel (this=0x5559582f9020, deferCheckLoadComplete=false) at ../../Source/WebCore/loader/FrameLoader.cpp:1820
>#3  0x00007f6d3f767806 in WebCore::UserInputBridge::stopLoadingFrame (this=0x5559582d8de0, frame=0x7f6d1e2bc330) at ../../Source/WebCore/replay/UserInputBridge.cpp:127
>#4  0x00007f6d3d019cb5 in WebKit::WebPage::stopLoading (this=0x7f6d1c5f8600) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:1370
>#5  0x00007f6d3ce65517 in WKBundlePageStopLoading (pageRef=0x7f6d1c5f8600) at ../../Source/WebKit/WebProcess/InjectedBundle/API/c/WKBundlePage.cpp:304
>#6  0x00007f6cd746df85 in WTR::InjectedBundlePage::stopLoading (this=0x5559585790f0) at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:402
>#7  0x00007f6cd7463453 in WTR::InjectedBundle::done (this=0x5559584cf9a0) at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundle.cpp:479
>#8  0x00007f6cd746ff3f in WTR::InjectedBundlePage::dump (this=0x5559585790f0) at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:944
>#9  0x00007f6cd7474e9f in WTR::InjectedBundlePage::frameDidChangeLocation (this=0x5559585790f0, frame=0x7f6d1e2f5258)
>    at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:2043
>#10 0x00007f6cd746fffe in WTR::InjectedBundlePage::didFinishLoadForFrame (this=0x5559585790f0, frame=0x7f6d1e2f5258)
>    at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:956
>#11 0x00007f6cd746ea7f in WTR::InjectedBundlePage::didFinishLoadForFrame (page=0x7f6d1c5f8600, frame=0x7f6d1e2f5258, clientInfo=0x5559585790f0)
>    at ../../Tools/WebKitTestRunner/InjectedBundle/InjectedBundlePage.cpp:583
>#12 0x00007f6d3ce577da in WebKit::InjectedBundlePageLoaderClient::didFinishLoadForFrame (this=0x55595825d4a0, page=..., frame=..., userData=...)
>    at ../../Source/WebKit/WebProcess/InjectedBundle/InjectedBundlePageLoaderClient.cpp:150
>#13 0x00007f6d3cfc3e27 in WebKit::WebFrameLoaderClient::dispatchDidFinishLoad (this=0x5559585aff60)
>    at ../../Source/WebKit/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:610
>#14 0x00007f6d3ed8bec4 in WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2478
>#15 0x00007f6d3ed8c8f4 in WebCore::FrameLoader::checkLoadComplete (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2622
>#16 0x00007f6d3ed8e6a5 in WebCore::FrameLoader::receivedMainResourceError (this=0x555958ad8a20, error=...) at ../../Source/WebCore/loader/FrameLoader.cpp:3023
>#17 0x00007f6d3ed54e06 in WebCore::DocumentLoader::mainReceivedError (this=0x7f6cb52dd000, error=...) at ../../Source/WebCore/loader/DocumentLoader.cpp:256
>#18 0x00007f6d3ed555a5 in WebCore::DocumentLoader::notifyFinished (this=0x7f6cb52dd000, resource=...) at ../../Source/WebCore/loader/DocumentLoader.cpp:392
>#19 0x00007f6d3ee4b99e in WebCore::CachedResource::checkNotify (this=0x7f6cb7eec080) at ../../Source/WebCore/loader/cache/CachedResource.cpp:341
>#20 0x00007f6d3ee4bbc4 in WebCore::CachedResource::cancelLoad (this=0x7f6cb7eec080) at ../../Source/WebCore/loader/cache/CachedResource.cpp:377
>#21 0x00007f6d3edf4262 in WebCore::SubresourceLoader::didCancel (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:720
>#22 0x00007f6d3eddd909 in WebCore::ResourceLoader::cancel (this=0x7f6d1e261000, error=...) at ../../Source/WebCore/loader/ResourceLoader.cpp:621
>#23 0x00007f6d3ed5c926 in WebCore::DocumentLoader::cancelMainResourceLoad (this=0x7f6cb52dd000, resourceError=...) at ../../Source/WebCore/loader/DocumentLoader.cpp:1835
>#24 0x00007f6d3ed551bf in WebCore::DocumentLoader::stopLoading (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:329
>#25 0x00007f6d3ed891d3 in WebCore::FrameLoader::stopAllLoaders (this=0x555958ad8a20, clearProvisionalItemPolicy=WebCore::ShouldClearProvisionalItem)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:1780
>#26 0x00007f6d3ed8cc14 in WebCore::FrameLoader::detachFromParent (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2680
>#27 0x00007f6d3ed8cb47 in WebCore::FrameLoader::frameDetached (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2665
>#28 0x00007f6d3ea2c44b in WebCore::HTMLFrameOwnerElement::disconnectContentFrame (this=0x7f6cb4c000a0) at ../../Source/WebCore/html/HTMLFrameOwnerElement.cpp:82
>#29 0x00007f6d3e6d6cbe in WebCore::disconnectSubframes (root=..., policy=WebCore::DescendantsOnly) at ../../Source/WebCore/dom/ContainerNodeAlgorithms.cpp:308
>#30 0x00007f6d3e6da646 in WebCore::disconnectSubframesIfNeeded (root=..., policy=WebCore::DescendantsOnly) at ../../Source/WebCore/dom/ContainerNodeAlgorithms.h:78
>#31 0x00007f6d3e6db2ca in WebCore::ContainerNode::removeAllChildrenWithScriptAssertion (this=0x7f6cb5c01ec0, source=WebCore::ContainerNode::ChildChangeSource::API, 
>    deferChildrenChanged=WebCore::ContainerNode::DeferChildrenChanged::No) at ../../Source/WebCore/dom/ContainerNode.cpp:102
>#32 0x00007f6d3e6d3ec0 in WebCore::ContainerNode::removeChildren (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/ContainerNode.cpp:658
>#33 0x00007f6d3e719bd3 in WebCore::Document::implicitOpen (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2680
>#34 0x00007f6d3e719a95 in WebCore::Document::open (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2649
>#35 0x00007f6d3e719861 in WebCore::Document::openForBindings (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2615
>#36 0x00007f6d3d6126d4 in WebCore::jsDocumentPrototypeFunctionOpen1Body (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4821
>#37 0x00007f6d3d612a24 in WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4846
>#38 0x00007f6d3d62ee67 in WebCore::IDLOperation<WebCore::JSDocument>::call<WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher> (state=..., 
>    operationName=0x7f6d41137736 "open") at ../../Source/WebCore/bindings/js/JSDOMOperation.h:53
>#39 0x00007f6d3d612ace in WebCore::jsDocumentPrototypeFunctionOpen (state=0x7ffd63c95db0) at DerivedSources/WebCore/JSDocument.cpp:4862
>#40 0x00007f6d2f730c5d in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#41 0x00007f6d2f7301b6 in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#42 0x00007f6d2f7289cf in vmEntryToJavaScript () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#43 0x00007f6d2f6619b1 in JSC::JITCode::execute (this=0x7f6cb52b5640, vm=0x7f6cb7c00000, protoCallFrame=0x7ffd63c96040) at ../../Source/JavaScriptCore/jit/JITCodeInlines.h:38
>#44 0x00007f6d2f659327 in JSC::Interpreter::executeCall (this=0x7f6d1e2ff7e0, callFrame=0x7f6cb78e1fa8, function=0x7f6cb44f0450, callType=<incomplete type>, callData=..., 
>    thisValue=..., args=...) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1023
>#45 0x00007f6d2f8a583a in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:41
>#46 0x00007f6d2f8a5920 in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:48
>#47 0x00007f6d2f8a5b12 in JSC::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., callType=<incomplete type>, callData=..., 
>    thisValue=..., args=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/CallData.cpp:67
>#48 0x00007f6d3e357748 in WebCore::JSMainThreadExecState::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., 
>    callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...) at ../../Source/WebCore/bindings/js/JSMainThreadExecState.h:72
>#49 0x00007f6d3e3916e0 in WebCore::JSEventListener::handleEvent (this=0x7f6cb52d9ea8, scriptExecutionContext=..., event=...)
>    at ../../Source/WebCore/bindings/js/JSEventListener.cpp:170
>#50 0x00007f6d3e7cdcde in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=..., listeners=...) at ../../Source/WebCore/dom/EventTarget.cpp:292
>#51 0x00007f6d3e7cd7ee in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=...) at ../../Source/WebCore/dom/EventTarget.cpp:234
>---Type <return> to continue, or q <return> to quit---
>#52 0x00007f6d3eebf48d in WebCore::DOMWindow::dispatchEvent (this=0x7f6d1e29ebd0, event=..., target=0x7f6cb5c02e20) at ../../Source/WebCore/page/DOMWindow.cpp:2068
>#53 0x00007f6d3ed8f08b in WebCore::FrameLoader::dispatchUnloadEvents (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:3153
>#54 0x00007f6d3ed823f8 in WebCore::FrameLoader::stopLoading (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:476
>#55 0x00007f6d3ed82710 in WebCore::FrameLoader::closeURL (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:541
>#56 0x00007f6d3ed8a705 in WebCore::FrameLoader::transitionToCommitted (this=0x555958ad8a20, cachedPage=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:2064
>#57 0x00007f6d3ed89d57 in WebCore::FrameLoader::commitProvisionalLoad (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:1948
>#58 0x00007f6d3ed553a9 in WebCore::DocumentLoader::commitIfReady (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:357
>#59 0x00007f6d3ed58827 in WebCore::DocumentLoader::commitLoad (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:959
>#60 0x00007f6d3ed594a4 in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:1108
>#61 0x00007f6d3ed592db in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, resource=..., data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/DocumentLoader.cpp:1081
>#62 0x00007f6d3ee47f8c in WebCore::CachedRawResource::notifyClientsDataWasReceived (this=0x7f6cb7eec080, data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:136
>#63 0x00007f6d3ee47b51 in WebCore::CachedRawResource::updateBuffer (this=0x7f6cb7eec080, data=...) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:73
>#64 0x00007f6d3edf2fc6 in WebCore::SubresourceLoader::didReceiveDataOrBuffer (this=0x7f6d1e261000, data=0x0, length=0, buffer=..., encodedDataLength=2, 
>    dataPayloadType=WebCore::DataPayloadWholeResource) at ../../Source/WebCore/loader/SubresourceLoader.cpp:455
>#65 0x00007f6d3edf2d78 in WebCore::SubresourceLoader::didReceiveBuffer (this=0x7f6d1e261000, buffer=..., encodedDataLength=2, dataPayloadType=WebCore::DataPayloadWholeResource)
>    at ../../Source/WebCore/loader/SubresourceLoader.cpp:435
>#66 0x00007f6d3ede24c4 in WebCore::ResourceLoader::<lambda(auto:11)>::<lambda()>::operator()(void) (__closure=0x7f6cb52b5e68)
>    at ../../Source/WebCore/loader/ResourceLoader.cpp:279
>#67 0x00007f6d3ede30ea in WTF::Function<void()>::CallableWrapper<WebCore::ResourceLoader::loadDataURL()::<lambda(auto:11)> mutable [with auto:11 = std::optional<WebCore::DataURLDecoder::Result>]::<lambda()> >::call(void) (this=0x7f6cb52b5e60) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#68 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c97060) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#69 0x00007f6d3c8ac2f2 in WTF::CompletionHandler<void ()>::operator()() const (this=0x7ffd63c97090) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:60
>#70 0x00007f6d3edf2c62 in WebCore::SubresourceLoader::didReceiveResponsePolicy (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:411
>#71 0x00007f6d3ed5737e in WebCore::DocumentLoader::<lambda(WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (__closure=0x7f6cb52b5e90, 
>    policy=WebCore::PolicyAction::Use) at ../../Source/WebCore/loader/DocumentLoader.cpp:838
>#72 0x00007f6d3ed6554e in WTF::Function<void(WebCore::PolicyAction)>::CallableWrapper<WebCore::DocumentLoader::responseReceived(const WebCore::ResourceResponse&, WTF::CompletionHandler<void()>&&)::<lambda(WebCore::PolicyAction)> >::call(WebCore::PolicyAction) (this=0x7f6cb52b5e88, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#73 0x00007f6d3c869174 in WTF::Function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (this=0x7ffd63c97178, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#74 0x00007f6d3d006edc in WebKit::WebFrame::didReceivePolicyDecision (this=0x7f6d1e2f5a50, listenerID=4, action=WebCore::PolicyAction::Use, navigationID=3, downloadID=..., 
>    websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebFrame.cpp:281
>#75 0x00007f6d3d01f216 in WebKit::WebPage::didReceivePolicyDecision (this=0x7f6d1c5f8600, frameID=2, listenerID=4, policyAction=WebCore::PolicyAction::Use, navigationID=3, 
>    downloadID=..., websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:2832
>#76 0x00007f6d3d1bc3c9 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> (object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:41
>#77 0x00007f6d3d1b8b2e in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> > (args=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:47
>#78 0x00007f6d3d1b054c in IPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision, WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)> (decoder=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:127
>#79 0x00007f6d3d1a9717 in WebKit::WebPage::didReceiveWebPageMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at DerivedSources/WebKit/WebPageMessageReceiver.cpp:688
>#80 0x00007f6d3d022c27 in WebKit::WebPage::didReceiveMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4015
>#81 0x00007f6d3ca0525f in IPC::MessageReceiverMap::dispatchMessage (this=0x5559582b6c50, connection=..., decoder=...)
>    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
>#82 0x00007f6d3cde9e2a in WebKit::WebProcess::didReceiveMessage (this=0x5559582b6be0, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:641
>#83 0x00007f6d3c9ea132 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:939
>#84 0x00007f6d3c9ea2a5 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, message=std::unique_ptr<IPC::Decoder> = {...})
>    at ../../Source/WebKit/Platform/IPC/Connection.cpp:966
>#85 0x00007f6d3c9ea7f3 in IPC::Connection::dispatchOneIncomingMessage (this=0x7f6d1e2e7000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1035
>#86 0x00007f6d3c9e9f95 in IPC::Connection::<lambda()>::operator()(void) (__closure=0x7f6d1e2e6238) at ../../Source/WebKit/Platform/IPC/Connection.cpp:933
>#87 0x00007f6d3c9f15c2 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (
>    this=0x7f6d1e2e6230) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#88 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c980f0) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>---Type <return> to continue, or q <return> to quit---
>#89 0x00007f6d2fd134eb in WTF::RunLoop::performWork (this=0x7f6d1e2f8000) at ../../Source/WTF/wtf/RunLoop.cpp:106
>#90 0x00007f6d2fd63f74 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
>#91 0x00007f6d2fd63f98 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
>#92 0x00007f6d2fd63f26 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x5559582d6110, 
>    callback=0x7f6d2fd63f7b <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
>#93 0x00007f6d2fd63f55 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
>#94 0x00007f6d31931c55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
>#95 g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
>#96 0x00007f6d31932020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
>#97 0x00007f6d31932332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
>#98 0x00007f6d2fd64483 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>#99 0x00007f6d3d4a0f5a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=3, argv=0x7ffd63c984f8)
>    at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61
>#100 0x00007f6d3d4a0c17 in WebKit::WebProcessMainUnix (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:67
>#101 0x000055595692ba45 in main (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:52
>(gdb) c
>Continuing.
>[Thread 0x7f6cb75ff700 (LWP 26354) exited]
>
>Thread 1 "WebKitWebProces" hit Breakpoint 3, WebCore::FrameLoader::setDocumentLoader (this=0x555958ad8a20, loader=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:1845
>(gdb) bt
>#0  WebCore::FrameLoader::setDocumentLoader (this=0x555958ad8a20, loader=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:1845
>#1  0x00007f6d3ed8cd66 in WebCore::FrameLoader::detachViewsAndDocumentLoader (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2703
>#2  0x00007f6d3ed8cc2f in WebCore::FrameLoader::detachFromParent (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2685
>#3  0x00007f6d3ed8cb47 in WebCore::FrameLoader::frameDetached (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2665
>#4  0x00007f6d3ea2c44b in WebCore::HTMLFrameOwnerElement::disconnectContentFrame (this=0x7f6cb4c000a0) at ../../Source/WebCore/html/HTMLFrameOwnerElement.cpp:82
>#5  0x00007f6d3e6d6cbe in WebCore::disconnectSubframes (root=..., policy=WebCore::DescendantsOnly) at ../../Source/WebCore/dom/ContainerNodeAlgorithms.cpp:308
>#6  0x00007f6d3e6da646 in WebCore::disconnectSubframesIfNeeded (root=..., policy=WebCore::DescendantsOnly) at ../../Source/WebCore/dom/ContainerNodeAlgorithms.h:78
>#7  0x00007f6d3e6db2ca in WebCore::ContainerNode::removeAllChildrenWithScriptAssertion (this=0x7f6cb5c01ec0, source=WebCore::ContainerNode::ChildChangeSource::API, 
>    deferChildrenChanged=WebCore::ContainerNode::DeferChildrenChanged::No) at ../../Source/WebCore/dom/ContainerNode.cpp:102
>#8  0x00007f6d3e6d3ec0 in WebCore::ContainerNode::removeChildren (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/ContainerNode.cpp:658
>#9  0x00007f6d3e719bd3 in WebCore::Document::implicitOpen (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2680
>#10 0x00007f6d3e719a95 in WebCore::Document::open (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2649
>#11 0x00007f6d3e719861 in WebCore::Document::openForBindings (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2615
>#12 0x00007f6d3d6126d4 in WebCore::jsDocumentPrototypeFunctionOpen1Body (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4821
>#13 0x00007f6d3d612a24 in WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4846
>#14 0x00007f6d3d62ee67 in WebCore::IDLOperation<WebCore::JSDocument>::call<WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher> (state=..., 
>    operationName=0x7f6d41137736 "open") at ../../Source/WebCore/bindings/js/JSDOMOperation.h:53
>#15 0x00007f6d3d612ace in WebCore::jsDocumentPrototypeFunctionOpen (state=0x7ffd63c95db0) at DerivedSources/WebCore/JSDocument.cpp:4862
>#16 0x00007f6d2f730c5d in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#17 0x00007f6d2f7301b6 in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#18 0x00007f6d2f7289cf in vmEntryToJavaScript () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#19 0x00007f6d2f6619b1 in JSC::JITCode::execute (this=0x7f6cb52b5640, vm=0x7f6cb7c00000, protoCallFrame=0x7ffd63c96040) at ../../Source/JavaScriptCore/jit/JITCodeInlines.h:38
>#20 0x00007f6d2f659327 in JSC::Interpreter::executeCall (this=0x7f6d1e2ff7e0, callFrame=0x7f6cb78e1fa8, function=0x7f6cb44f0450, callType=<incomplete type>, callData=..., 
>    thisValue=..., args=...) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1023
>#21 0x00007f6d2f8a583a in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:41
>#22 0x00007f6d2f8a5920 in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:48
>#23 0x00007f6d2f8a5b12 in JSC::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., callType=<incomplete type>, callData=..., 
>    thisValue=..., args=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/CallData.cpp:67
>#24 0x00007f6d3e357748 in WebCore::JSMainThreadExecState::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., 
>    callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...) at ../../Source/WebCore/bindings/js/JSMainThreadExecState.h:72
>#25 0x00007f6d3e3916e0 in WebCore::JSEventListener::handleEvent (this=0x7f6cb52d9ea8, scriptExecutionContext=..., event=...)
>    at ../../Source/WebCore/bindings/js/JSEventListener.cpp:170
>#26 0x00007f6d3e7cdcde in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=..., listeners=...) at ../../Source/WebCore/dom/EventTarget.cpp:292
>#27 0x00007f6d3e7cd7ee in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=...) at ../../Source/WebCore/dom/EventTarget.cpp:234
>#28 0x00007f6d3eebf48d in WebCore::DOMWindow::dispatchEvent (this=0x7f6d1e29ebd0, event=..., target=0x7f6cb5c02e20) at ../../Source/WebCore/page/DOMWindow.cpp:2068
>#29 0x00007f6d3ed8f08b in WebCore::FrameLoader::dispatchUnloadEvents (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:3153
>#30 0x00007f6d3ed823f8 in WebCore::FrameLoader::stopLoading (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:476
>#31 0x00007f6d3ed82710 in WebCore::FrameLoader::closeURL (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:541
>#32 0x00007f6d3ed8a705 in WebCore::FrameLoader::transitionToCommitted (this=0x555958ad8a20, cachedPage=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:2064
>#33 0x00007f6d3ed89d57 in WebCore::FrameLoader::commitProvisionalLoad (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:1948
>#34 0x00007f6d3ed553a9 in WebCore::DocumentLoader::commitIfReady (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:357
>#35 0x00007f6d3ed58827 in WebCore::DocumentLoader::commitLoad (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:959
>#36 0x00007f6d3ed594a4 in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:1108
>#37 0x00007f6d3ed592db in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, resource=..., data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/DocumentLoader.cpp:1081
>#38 0x00007f6d3ee47f8c in WebCore::CachedRawResource::notifyClientsDataWasReceived (this=0x7f6cb7eec080, data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:136
>#39 0x00007f6d3ee47b51 in WebCore::CachedRawResource::updateBuffer (this=0x7f6cb7eec080, data=...) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:73
>#40 0x00007f6d3edf2fc6 in WebCore::SubresourceLoader::didReceiveDataOrBuffer (this=0x7f6d1e261000, data=0x0, length=0, buffer=..., encodedDataLength=2, 
>    dataPayloadType=WebCore::DataPayloadWholeResource) at ../../Source/WebCore/loader/SubresourceLoader.cpp:455
>#41 0x00007f6d3edf2d78 in WebCore::SubresourceLoader::didReceiveBuffer (this=0x7f6d1e261000, buffer=..., encodedDataLength=2, dataPayloadType=WebCore::DataPayloadWholeResource)
>    at ../../Source/WebCore/loader/SubresourceLoader.cpp:435
>#42 0x00007f6d3ede24c4 in WebCore::ResourceLoader::<lambda(auto:11)>::<lambda()>::operator()(void) (__closure=0x7f6cb52b5e68)
>    at ../../Source/WebCore/loader/ResourceLoader.cpp:279
>#43 0x00007f6d3ede30ea in WTF::Function<void()>::CallableWrapper<WebCore::ResourceLoader::loadDataURL()::<lambda(auto:11)> mutable [with auto:11 = std::optional<WebCore::DataURLDecoder::Result>]::<lambda()> >::call(void) (this=0x7f6cb52b5e60) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#44 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c97060) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#45 0x00007f6d3c8ac2f2 in WTF::CompletionHandler<void ()>::operator()() const (this=0x7ffd63c97090) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:60
>#46 0x00007f6d3edf2c62 in WebCore::SubresourceLoader::didReceiveResponsePolicy (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:411
>#47 0x00007f6d3ed5737e in WebCore::DocumentLoader::<lambda(WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (__closure=0x7f6cb52b5e90, 
>    policy=WebCore::PolicyAction::Use) at ../../Source/WebCore/loader/DocumentLoader.cpp:838
>#48 0x00007f6d3ed6554e in WTF::Function<void(WebCore::PolicyAction)>::CallableWrapper<WebCore::DocumentLoader::responseReceived(const WebCore::ResourceResponse&, WTF::Completion---Type <return> to continue, or q <return> to quit---
>Handler<void()>&&)::<lambda(WebCore::PolicyAction)> >::call(WebCore::PolicyAction) (this=0x7f6cb52b5e88, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#49 0x00007f6d3c869174 in WTF::Function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (this=0x7ffd63c97178, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#50 0x00007f6d3d006edc in WebKit::WebFrame::didReceivePolicyDecision (this=0x7f6d1e2f5a50, listenerID=4, action=WebCore::PolicyAction::Use, navigationID=3, downloadID=..., 
>    websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebFrame.cpp:281
>#51 0x00007f6d3d01f216 in WebKit::WebPage::didReceivePolicyDecision (this=0x7f6d1c5f8600, frameID=2, listenerID=4, policyAction=WebCore::PolicyAction::Use, navigationID=3, 
>    downloadID=..., websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:2832
>#52 0x00007f6d3d1bc3c9 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> (object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:41
>#53 0x00007f6d3d1b8b2e in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> > (args=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:47
>#54 0x00007f6d3d1b054c in IPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision, WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)> (decoder=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:127
>#55 0x00007f6d3d1a9717 in WebKit::WebPage::didReceiveWebPageMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at DerivedSources/WebKit/WebPageMessageReceiver.cpp:688
>#56 0x00007f6d3d022c27 in WebKit::WebPage::didReceiveMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4015
>#57 0x00007f6d3ca0525f in IPC::MessageReceiverMap::dispatchMessage (this=0x5559582b6c50, connection=..., decoder=...)
>    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
>#58 0x00007f6d3cde9e2a in WebKit::WebProcess::didReceiveMessage (this=0x5559582b6be0, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:641
>#59 0x00007f6d3c9ea132 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:939
>#60 0x00007f6d3c9ea2a5 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, message=std::unique_ptr<IPC::Decoder> = {...})
>    at ../../Source/WebKit/Platform/IPC/Connection.cpp:966
>#61 0x00007f6d3c9ea7f3 in IPC::Connection::dispatchOneIncomingMessage (this=0x7f6d1e2e7000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1035
>#62 0x00007f6d3c9e9f95 in IPC::Connection::<lambda()>::operator()(void) (__closure=0x7f6d1e2e6238) at ../../Source/WebKit/Platform/IPC/Connection.cpp:933
>#63 0x00007f6d3c9f15c2 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (
>    this=0x7f6d1e2e6230) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#64 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c980f0) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#65 0x00007f6d2fd134eb in WTF::RunLoop::performWork (this=0x7f6d1e2f8000) at ../../Source/WTF/wtf/RunLoop.cpp:106
>#66 0x00007f6d2fd63f74 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
>#67 0x00007f6d2fd63f98 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
>#68 0x00007f6d2fd63f26 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x5559582d6110, 
>    callback=0x7f6d2fd63f7b <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
>#69 0x00007f6d2fd63f55 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
>#70 0x00007f6d31931c55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
>#71 g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
>#72 0x00007f6d31932020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
>#73 0x00007f6d31932332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
>#74 0x00007f6d2fd64483 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>#75 0x00007f6d3d4a0f5a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=3, argv=0x7ffd63c984f8)
>    at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61
>#76 0x00007f6d3d4a0c17 in WebKit::WebProcessMainUnix (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:67
>#77 0x000055595692ba45 in main (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:52
>(gdb) c
>Continuing.
>
>Thread 1 "WebKitWebProces" hit Breakpoint 2, WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2500
>(gdb) bt
>#0  WebCore::FrameLoader::checkLoadCompleteForThisFrame (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2500
>#1  0x00007f6d3ed8c8f4 in WebCore::FrameLoader::checkLoadComplete (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:2622
>#2  0x00007f6d3ed83c42 in WebCore::FrameLoader::checkCompleted (this=0x5559582f9020) at ../../Source/WebCore/loader/FrameLoader.cpp:897
>#3  0x00007f6d3e72a87d in WebCore::Document::checkCompleted (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:6517
>#4  0x00007f6d3e71a2e0 in WebCore::Document::explicitClose (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2779
>#5  0x00007f6d3e719ba6 in WebCore::Document::cancelParsing (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2675
>#6  0x00007f6d3e719bf0 in WebCore::Document::implicitOpen (this=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2684
>#7  0x00007f6d3e719a95 in WebCore::Document::open (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2649
>#8  0x00007f6d3e719861 in WebCore::Document::openForBindings (this=0x7f6cb5c01ec0, responsibleDocument=0x7f6cb5c01ec0) at ../../Source/WebCore/dom/Document.cpp:2615
>#9  0x00007f6d3d6126d4 in WebCore::jsDocumentPrototypeFunctionOpen1Body (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4821
>#10 0x00007f6d3d612a24 in WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher (state=0x7ffd63c95db0, castedThis=0x7f6cb786c040, throwScope=...)
>    at DerivedSources/WebCore/JSDocument.cpp:4846
>#11 0x00007f6d3d62ee67 in WebCore::IDLOperation<WebCore::JSDocument>::call<WebCore::jsDocumentPrototypeFunctionOpenOverloadDispatcher> (state=..., 
>    operationName=0x7f6d41137736 "open") at ../../Source/WebCore/bindings/js/JSDOMOperation.h:53
>#12 0x00007f6d3d612ace in WebCore::jsDocumentPrototypeFunctionOpen (state=0x7ffd63c95db0) at DerivedSources/WebCore/JSDocument.cpp:4862
>#13 0x00007f6d2f730c5d in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#14 0x00007f6d2f7301b6 in llint_entry () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#15 0x00007f6d2f7289cf in vmEntryToJavaScript () at ../../Source/JavaScriptCore/runtime/JSObjectInlines.h:398
>#16 0x00007f6d2f6619b1 in JSC::JITCode::execute (this=0x7f6cb52b5640, vm=0x7f6cb7c00000, protoCallFrame=0x7ffd63c96040) at ../../Source/JavaScriptCore/jit/JITCodeInlines.h:38
>#17 0x00007f6d2f659327 in JSC::Interpreter::executeCall (this=0x7f6d1e2ff7e0, callFrame=0x7f6cb78e1fa8, function=0x7f6cb44f0450, callType=<incomplete type>, callData=..., 
>    thisValue=..., args=...) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1023
>#18 0x00007f6d2f8a583a in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:41
>#19 0x00007f6d2f8a5920 in JSC::call (exec=0x7f6cb78e1fa8, functionObject=..., callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...)
>    at ../../Source/JavaScriptCore/runtime/CallData.cpp:48
>#20 0x00007f6d2f8a5b12 in JSC::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., callType=<incomplete type>, callData=..., 
>    thisValue=..., args=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/CallData.cpp:67
>#21 0x00007f6d3e357748 in WebCore::JSMainThreadExecState::profiledCall (exec=0x7f6cb78e1fa8, reason=JSC::ProfilingReason::Other, functionObject=..., 
>    callType=<incomplete type>, callData=..., thisValue=..., args=..., returnedException=...) at ../../Source/WebCore/bindings/js/JSMainThreadExecState.h:72
>#22 0x00007f6d3e3916e0 in WebCore::JSEventListener::handleEvent (this=0x7f6cb52d9ea8, scriptExecutionContext=..., event=...)
>    at ../../Source/WebCore/bindings/js/JSEventListener.cpp:170
>#23 0x00007f6d3e7cdcde in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=..., listeners=...) at ../../Source/WebCore/dom/EventTarget.cpp:292
>#24 0x00007f6d3e7cd7ee in WebCore::EventTarget::fireEventListeners (this=0x7f6d1e29ebd0, event=...) at ../../Source/WebCore/dom/EventTarget.cpp:234
>#25 0x00007f6d3eebf48d in WebCore::DOMWindow::dispatchEvent (this=0x7f6d1e29ebd0, event=..., target=0x7f6cb5c02e20) at ../../Source/WebCore/page/DOMWindow.cpp:2068
>#26 0x00007f6d3ed8f08b in WebCore::FrameLoader::dispatchUnloadEvents (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:3153
>#27 0x00007f6d3ed823f8 in WebCore::FrameLoader::stopLoading (this=0x555958ad8a20, unloadEventPolicy=WebCore::UnloadEventPolicyUnloadAndPageHide)
>    at ../../Source/WebCore/loader/FrameLoader.cpp:476
>#28 0x00007f6d3ed82710 in WebCore::FrameLoader::closeURL (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:541
>#29 0x00007f6d3ed8a705 in WebCore::FrameLoader::transitionToCommitted (this=0x555958ad8a20, cachedPage=0x0) at ../../Source/WebCore/loader/FrameLoader.cpp:2064
>#30 0x00007f6d3ed89d57 in WebCore::FrameLoader::commitProvisionalLoad (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:1948
>#31 0x00007f6d3ed553a9 in WebCore::DocumentLoader::commitIfReady (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:357
>#32 0x00007f6d3ed58827 in WebCore::DocumentLoader::commitLoad (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:959
>#33 0x00007f6d3ed594a4 in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:1108
>#34 0x00007f6d3ed592db in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, resource=..., data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/DocumentLoader.cpp:1081
>#35 0x00007f6d3ee47f8c in WebCore::CachedRawResource::notifyClientsDataWasReceived (this=0x7f6cb7eec080, data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:136
>#36 0x00007f6d3ee47b51 in WebCore::CachedRawResource::updateBuffer (this=0x7f6cb7eec080, data=...) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:73
>#37 0x00007f6d3edf2fc6 in WebCore::SubresourceLoader::didReceiveDataOrBuffer (this=0x7f6d1e261000, data=0x0, length=0, buffer=..., encodedDataLength=2, 
>    dataPayloadType=WebCore::DataPayloadWholeResource) at ../../Source/WebCore/loader/SubresourceLoader.cpp:455
>#38 0x00007f6d3edf2d78 in WebCore::SubresourceLoader::didReceiveBuffer (this=0x7f6d1e261000, buffer=..., encodedDataLength=2, dataPayloadType=WebCore::DataPayloadWholeResource)
>    at ../../Source/WebCore/loader/SubresourceLoader.cpp:435
>#39 0x00007f6d3ede24c4 in WebCore::ResourceLoader::<lambda(auto:11)>::<lambda()>::operator()(void) (__closure=0x7f6cb52b5e68)
>    at ../../Source/WebCore/loader/ResourceLoader.cpp:279
>#40 0x00007f6d3ede30ea in WTF::Function<void()>::CallableWrapper<WebCore::ResourceLoader::loadDataURL()::<lambda(auto:11)> mutable [with auto:11 = std::optional<WebCore::DataURLDecoder::Result>]::<lambda()> >::call(void) (this=0x7f6cb52b5e60) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#41 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c97060) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#42 0x00007f6d3c8ac2f2 in WTF::CompletionHandler<void ()>::operator()() const (this=0x7ffd63c97090) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:60
>#43 0x00007f6d3edf2c62 in WebCore::SubresourceLoader::didReceiveResponsePolicy (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:411
>#44 0x00007f6d3ed5737e in WebCore::DocumentLoader::<lambda(WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (__closure=0x7f6cb52b5e90, 
>    policy=WebCore::PolicyAction::Use) at ../../Source/WebCore/loader/DocumentLoader.cpp:838
>#45 0x00007f6d3ed6554e in WTF::Function<void(WebCore::PolicyAction)>::CallableWrapper<WebCore::DocumentLoader::responseReceived(const WebCore::ResourceResponse&, WTF::CompletionHandler<void()>&&)::<lambda(WebCore::PolicyAction)> >::call(WebCore::PolicyAction) (this=0x7f6cb52b5e88, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#46 0x00007f6d3c869174 in WTF::Function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (this=0x7ffd63c97178, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>---Type <return> to continue, or q <return> to quit---
>#47 0x00007f6d3d006edc in WebKit::WebFrame::didReceivePolicyDecision (this=0x7f6d1e2f5a50, listenerID=4, action=WebCore::PolicyAction::Use, navigationID=3, downloadID=..., 
>    websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebFrame.cpp:281
>#48 0x00007f6d3d01f216 in WebKit::WebPage::didReceivePolicyDecision (this=0x7f6d1c5f8600, frameID=2, listenerID=4, policyAction=WebCore::PolicyAction::Use, navigationID=3, 
>    downloadID=..., websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:2832
>#49 0x00007f6d3d1bc3c9 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> (object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:41
>#50 0x00007f6d3d1b8b2e in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> > (args=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:47
>#51 0x00007f6d3d1b054c in IPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision, WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)> (decoder=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:127
>#52 0x00007f6d3d1a9717 in WebKit::WebPage::didReceiveWebPageMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at DerivedSources/WebKit/WebPageMessageReceiver.cpp:688
>#53 0x00007f6d3d022c27 in WebKit::WebPage::didReceiveMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4015
>#54 0x00007f6d3ca0525f in IPC::MessageReceiverMap::dispatchMessage (this=0x5559582b6c50, connection=..., decoder=...)
>    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
>#55 0x00007f6d3cde9e2a in WebKit::WebProcess::didReceiveMessage (this=0x5559582b6be0, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:641
>#56 0x00007f6d3c9ea132 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:939
>#57 0x00007f6d3c9ea2a5 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, message=std::unique_ptr<IPC::Decoder> = {...})
>    at ../../Source/WebKit/Platform/IPC/Connection.cpp:966
>#58 0x00007f6d3c9ea7f3 in IPC::Connection::dispatchOneIncomingMessage (this=0x7f6d1e2e7000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1035
>#59 0x00007f6d3c9e9f95 in IPC::Connection::<lambda()>::operator()(void) (__closure=0x7f6d1e2e6238) at ../../Source/WebKit/Platform/IPC/Connection.cpp:933
>#60 0x00007f6d3c9f15c2 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (
>    this=0x7f6d1e2e6230) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#61 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c980f0) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#62 0x00007f6d2fd134eb in WTF::RunLoop::performWork (this=0x7f6d1e2f8000) at ../../Source/WTF/wtf/RunLoop.cpp:106
>#63 0x00007f6d2fd63f74 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
>#64 0x00007f6d2fd63f98 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
>#65 0x00007f6d2fd63f26 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x5559582d6110, 
>    callback=0x7f6d2fd63f7b <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
>#66 0x00007f6d2fd63f55 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
>#67 0x00007f6d31931c55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
>#68 g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
>#69 0x00007f6d31932020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
>#70 0x00007f6d31932332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
>#71 0x00007f6d2fd64483 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>#72 0x00007f6d3d4a0f5a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=3, argv=0x7ffd63c984f8)
>    at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61
>#73 0x00007f6d3d4a0c17 in WebKit::WebProcessMainUnix (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:67
>#74 0x000055595692ba45 in main (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:52
>(gdb) c
>Continuing.
>
>Thread 1 "WebKitWebProces" received signal SIGSEGV, Segmentation fault.
>0x00007f6d3ed9c788 in WebCore::DocumentLoader::isClientRedirect (this=0x0) at ../../Source/WebCore/loader/DocumentLoader.h:171
>(gdb) bt
>#0  0x00007f6d3ed9c788 in WebCore::DocumentLoader::isClientRedirect (this=0x0) at ../../Source/WebCore/loader/DocumentLoader.h:171
>#1  0x00007f6d3ed8a307 in WebCore::FrameLoader::commitProvisionalLoad (this=0x555958ad8a20) at ../../Source/WebCore/loader/FrameLoader.cpp:2007
>#2  0x00007f6d3ed553a9 in WebCore::DocumentLoader::commitIfReady (this=0x7f6cb52dd000) at ../../Source/WebCore/loader/DocumentLoader.cpp:357
>#3  0x00007f6d3ed58827 in WebCore::DocumentLoader::commitLoad (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:959
>#4  0x00007f6d3ed594a4 in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, data=0x7f6cb5293030 "Hi", length=2) at ../../Source/WebCore/loader/DocumentLoader.cpp:1108
>#5  0x00007f6d3ed592db in WebCore::DocumentLoader::dataReceived (this=0x7f6cb52dd000, resource=..., data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/DocumentLoader.cpp:1081
>#6  0x00007f6d3ee47f8c in WebCore::CachedRawResource::notifyClientsDataWasReceived (this=0x7f6cb7eec080, data=0x7f6cb5293030 "Hi", length=2)
>    at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:136
>#7  0x00007f6d3ee47b51 in WebCore::CachedRawResource::updateBuffer (this=0x7f6cb7eec080, data=...) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:73
>#8  0x00007f6d3edf2fc6 in WebCore::SubresourceLoader::didReceiveDataOrBuffer (this=0x7f6d1e261000, data=0x0, length=0, buffer=..., encodedDataLength=2, 
>    dataPayloadType=WebCore::DataPayloadWholeResource) at ../../Source/WebCore/loader/SubresourceLoader.cpp:455
>#9  0x00007f6d3edf2d78 in WebCore::SubresourceLoader::didReceiveBuffer (this=0x7f6d1e261000, buffer=..., encodedDataLength=2, dataPayloadType=WebCore::DataPayloadWholeResource)
>    at ../../Source/WebCore/loader/SubresourceLoader.cpp:435
>#10 0x00007f6d3ede24c4 in WebCore::ResourceLoader::<lambda(auto:11)>::<lambda()>::operator()(void) (__closure=0x7f6cb52b5e68)
>    at ../../Source/WebCore/loader/ResourceLoader.cpp:279
>#11 0x00007f6d3ede30ea in WTF::Function<void()>::CallableWrapper<WebCore::ResourceLoader::loadDataURL()::<lambda(auto:11)> mutable [with auto:11 = std::optional<WebCore::DataURLDecoder::Result>]::<lambda()> >::call(void) (this=0x7f6cb52b5e60) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#12 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c97060) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#13 0x00007f6d3c8ac2f2 in WTF::CompletionHandler<void ()>::operator()() const (this=0x7ffd63c97090) at DerivedSources/ForwardingHeaders/wtf/CompletionHandler.h:60
>#14 0x00007f6d3edf2c62 in WebCore::SubresourceLoader::didReceiveResponsePolicy (this=0x7f6d1e261000) at ../../Source/WebCore/loader/SubresourceLoader.cpp:411
>#15 0x00007f6d3ed5737e in WebCore::DocumentLoader::<lambda(WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (__closure=0x7f6cb52b5e90, 
>    policy=WebCore::PolicyAction::Use) at ../../Source/WebCore/loader/DocumentLoader.cpp:838
>#16 0x00007f6d3ed6554e in WTF::Function<void(WebCore::PolicyAction)>::CallableWrapper<WebCore::DocumentLoader::responseReceived(const WebCore::ResourceResponse&, WTF::CompletionHandler<void()>&&)::<lambda(WebCore::PolicyAction)> >::call(WebCore::PolicyAction) (this=0x7f6cb52b5e88, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#17 0x00007f6d3c869174 in WTF::Function<void (WebCore::PolicyAction)>::operator()(WebCore::PolicyAction) const (this=0x7ffd63c97178, in#0=WebCore::PolicyAction::Use)
>    at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#18 0x00007f6d3d006edc in WebKit::WebFrame::didReceivePolicyDecision (this=0x7f6d1e2f5a50, listenerID=4, action=WebCore::PolicyAction::Use, navigationID=3, downloadID=..., 
>    websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebFrame.cpp:281
>#19 0x00007f6d3d01f216 in WebKit::WebPage::didReceivePolicyDecision (this=0x7f6d1c5f8600, frameID=2, listenerID=4, policyAction=WebCore::PolicyAction::Use, navigationID=3, 
>    downloadID=..., websitePolicies=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:2832
>#20 0x00007f6d3d1bc3c9 in IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> (object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>, args=...) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:41
>#21 0x00007f6d3d1b8b2e in IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&), std::tuple<unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID, std::optional<WebKit::WebsitePoliciesData> >, std::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> > (args=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:47
>#22 0x00007f6d3d1b054c in IPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision, WebKit::WebPage, void (WebKit::WebPage::*)(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)> (decoder=..., object=0x7f6d1c5f8600, function=
>    (void (WebKit::WebPage::*)(WebKit::WebPage * const, unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, const WebKit::DownloadID &, std::optional<WebKit::WebsitePoliciesData> &&)) 0x7f6d3d01f1a8 <WebKit::WebPage::didReceivePolicyDecision(unsigned long, unsigned long, WebCore::PolicyAction, unsigned long, WebKit::DownloadID const&, std::optional<WebKit::WebsitePoliciesData>&&)>) at ../../Source/WebKit/Platform/IPC/HandleMessage.h:127
>#23 0x00007f6d3d1a9717 in WebKit::WebPage::didReceiveWebPageMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at DerivedSources/WebKit/WebPageMessageReceiver.cpp:688
>#24 0x00007f6d3d022c27 in WebKit::WebPage::didReceiveMessage (this=0x7f6d1c5f8600, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebPage/WebPage.cpp:4015
>#25 0x00007f6d3ca0525f in IPC::MessageReceiverMap::dispatchMessage (this=0x5559582b6c50, connection=..., decoder=...)
>    at ../../Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:123
>#26 0x00007f6d3cde9e2a in WebKit::WebProcess::didReceiveMessage (this=0x5559582b6be0, connection=..., decoder=...) at ../../Source/WebKit/WebProcess/WebProcess.cpp:641
>#27 0x00007f6d3c9ea132 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, decoder=...) at ../../Source/WebKit/Platform/IPC/Connection.cpp:939
>#28 0x00007f6d3c9ea2a5 in IPC::Connection::dispatchMessage (this=0x7f6d1e2e7000, message=std::unique_ptr<IPC::Decoder> = {...})
>    at ../../Source/WebKit/Platform/IPC/Connection.cpp:966
>#29 0x00007f6d3c9ea7f3 in IPC::Connection::dispatchOneIncomingMessage (this=0x7f6d1e2e7000) at ../../Source/WebKit/Platform/IPC/Connection.cpp:1035
>#30 0x00007f6d3c9e9f95 in IPC::Connection::<lambda()>::operator()(void) (__closure=0x7f6d1e2e6238) at ../../Source/WebKit/Platform/IPC/Connection.cpp:933
>#31 0x00007f6d3c9f15c2 in WTF::Function<void()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder>)::<lambda()> >::call(void) (
>    this=0x7f6d1e2e6230) at DerivedSources/ForwardingHeaders/wtf/Function.h:101
>#32 0x00007f6d3c8718c4 in WTF::Function<void ()>::operator()() const (this=0x7ffd63c980f0) at DerivedSources/ForwardingHeaders/wtf/Function.h:56
>#33 0x00007f6d2fd134eb in WTF::RunLoop::performWork (this=0x7f6d1e2f8000) at ../../Source/WTF/wtf/RunLoop.cpp:106
>#34 0x00007f6d2fd63f74 in WTF::RunLoop::<lambda(gpointer)>::operator()(gpointer) const (__closure=0x0, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
>#35 0x00007f6d2fd63f98 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:70
>#36 0x00007f6d2fd63f26 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x5559582d6110, 
>    callback=0x7f6d2fd63f7b <WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer)>, userData=0x7f6d1e2f8000) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
>#37 0x00007f6d2fd63f55 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:46
>---Type <return> to continue, or q <return> to quit---
>#38 0x00007f6d31931c55 in g_main_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3148
>#39 g_main_context_dispatch () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3813
>#40 0x00007f6d31932020 in g_main_context_iterate () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:3886
>#41 0x00007f6d31932332 in g_main_loop_run () at /home/fujii/work/webkit/ga/WebKitBuild/DependenciesGTK/Source/glib-2.54.2/glib/gmain.c:4082
>#42 0x00007f6d2fd64483 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>#43 0x00007f6d3d4a0f5a in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=3, argv=0x7ffd63c984f8)
>    at ../../Source/WebKit/Shared/unix/ChildProcessMain.h:61
>#44 0x00007f6d3d4a0c17 in WebKit::WebProcessMainUnix (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/gtk/WebProcessMainGtk.cpp:67
>#45 0x000055595692ba45 in main (argc=3, argv=0x7ffd63c984f8) at ../../Source/WebKit/WebProcess/EntryPoint/unix/WebProcessMain.cpp:52
>(gdb) q
>A debugging session is active.
>
>	Inferior 1 [process 26306] will be detached.
>
>Quit anyway? (y or n) y
>Detaching from program: /home/fujii/work/webkit/ga/WebKitBuild/Debug/bin/WebKitWebProcess, process 26306
>Debugger finished

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Attachments on bug 98345: 343575 | 343577 | 343579 | 343584 | 343585 | 343701 | 343899 | 344067