[Webkit-unassigned] [Bug 179914] WebProcess from WebKitGtk+ 2.19.2 SIGSEVs in bmalloc::IsoTLS::ensureEntries(unsigned int) at Source/bmalloc/bmalloc/IsoTLS.cpp:80

Mon Dec 4 10:46:30 PST 2017

https://bugs.webkit.org/show_bug.cgi?id=179914

--- Comment #30 from Milan Crha <mcrha at redhat.com> ---
The current test, with commit 8db8781244, shows me this (with some more added debug prints; note of the this=0x0 there):

   Document: 0x7f3671af1800: constructor
setDocument: m_doc:0x7f3671af1800 newDocument:0x7f36ce498edb
createRenderTree: 0x7f3671af1800
   0x7f36d13a5ac0 get: not initialized
   0x7f36d13a5ac0 get: not initialized
   0x7f36d13a5ac0 get: not initialized
   0x7f36d13a5ac0 operator(): using pthread_key_create(), key:0x11
   0x7f36d13a5ac0 get: got-tls:(nil)
   0x7f36d13a5ac0 ensureEntries: offset:136 got-tls:(nil) oldlast:(nil) layout.head():(nil)
   0x7f36d13a5ac0 set: setting-tls:0x7f36d13f5000 to key:0x11
allocate: going to allocate 560 bytes in heap:(nil)

#5  0x00007f36cb994156 in WTF::jscSignalHandler(int, siginfo_t*, void*) (sig=<optimized out>, info=0x7ffd9b83fcf0, ucontext=0x7ffd9b83fbc0) at ....webkit.master/Source/WTF/wtf/threads/Signals.cpp:353
        signal = WTF::Signal::BadAccess
        sigInfo = {faultingAddress = 0x10}
        didHandle = <optimized out>
        restoreDefaultHandler = false
        oldActionIndex = <optimized out>
        oldAction = <optimized out>
#6  0x00007f36ce3c7720 in <signal handler called> () at /lib64/libc.so.6
#7  0x00007f36d0308552 in std::lock_guard<bmalloc::Mutex>::lock_guard(bmalloc::Mutex&) (__m=..., this=<synthetic pointer>) at /usr/include/c++/7/bits/std_mutex.h:162
        locker = <optimized out>
        result = <optimized out>
#8  0x00007f36d0308552 in bmalloc::IsoAllocator<bmalloc::IsoConfig<560u> >::allocateSlow(bool) (this=0x7f36d13f5098, abortOnFailure=true) at ....webkit.master/Source/bmalloc/bmalloc/IsoAllocatorInlines.h:64
        locker = <optimized out>
        result = <optimized out>
#9  0x00007f36d03087da in bmalloc::IsoAllocator<bmalloc::IsoConfig<560u> >::allocate(bool)::{lambda()#1}::operator()() const (__closure=<optimized out>) at ....webkit.master/Source/bmalloc/bmalloc/IsoAllocatorInlines.h:54
        this = <optimized out>
        remaining = <optimized out>
        __FUNCTION__ = "allocate"
#10 0x00007f36d03087da in bmalloc::FreeList::allocate<bmalloc::IsoConfig<560u>, bmalloc::IsoAllocator<bmalloc::IsoConfig<560u> >::allocate(bool)::{lambda()#1}>(bmalloc::IsoAllocator<bmalloc::IsoConfig<560u> >::allocate(bool)::{lambda()#1} const&) (slowPath=..., this=<optimized out>) at ....webkit.master/Source/bmalloc/bmalloc/FreeListInlines.h:44
        this = <optimized out>
        remaining = <optimized out>
        __FUNCTION__ = "allocate"
#11 0x00007f36d03087da in bmalloc::IsoAllocator<bmalloc::IsoConfig<560u> >::allocate(bool) (this=<optimized out>, abortOnFailure=<optimized out>) at ....webkit.master/Source/bmalloc/bmalloc/IsoAllocatorInlines.h:52
        __FUNCTION__ = "allocate"
#12 0x00007f36cfba52bf in WebCore::createRenderer<WebCore::RenderView, WebCore::Document&, WebCore::RenderStyle>(WebCore::Document&, WebCore::RenderStyle&&) () at ....webkit.master/Source/WebCore/rendering/RenderPtr.h:43
        this = 0x0
#13 0x00007f36cfba52bf in WebCore::Document::createRenderTree() (this=0x0) at ....webkit.master/Source/WebCore/dom/Document.cpp:2214
        this = 0x0
#14 0x00007f36cfbb6d30 in WebCore::Document::didBecomeCurrentDocumentInFrame() (this=0x7f3671af1800) at ....webkit.master/Source/WebCore/dom/Document.cpp:2230
#15 0x00007f36cff2ec87 in WebCore::Frame::setDocument(WTF::RefPtr<WebCore::Document>&&) (this=0x7f36b3ead440, newDocument=...) at ....webkit.master/Source/WebCore/page/Frame.cpp:298
        __FUNCTION__ = "setDocument"
#16 0x00007f36cfe6fdad in WebCore::DocumentWriter::begin(WebCore::URL const&, bool, WebCore::Document*) (this=this at entry=0x7f36b3e9b080, urlReference=..., dispatch=dispatch at entry=false, ownerDocument=ownerDocument at entry=0x0) at ....webkit.master/Source/WebCore/loader/DocumentWriter.cpp:174
        url = {m_string = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f36cbc16ad0 <WTF::StringImpl::s_atomicEmptyString>}}, m_isValid = false, m_protocolIsInHTTPFamily = false, m_cannotBeABaseURL = false, m_schemeEnd = 0, m_userStart = 0, m_userEnd = 0, m_passwordEnd = 0, m_hostEnd = 0, m_portEnd = 0, m_pathAfterLastSlash = 0, m_pathEnd = 0, m_queryEnd = 0}
        document = {static isRef = <optimized out>, m_ptr = 0x7f3671af1800}
        shouldReuseDefaultView = <optimized out>
        insecureNavigationRequestsToUpgrade = {m_impl = {static m_maxLoad = 2, static m_minLoad = 6, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}
#17 0x00007f36cfe700fd in WebCore::DocumentLoader::commitData(char const*, unsigned long) (this=this at entry=0x7f36b3e9b000, bytes=bytes at entry=0x0, length=length at entry=0) at ....webkit.master/Source/WebCore/loader/DocumentLoader.cpp:855
        userChosen = <optimized out>
        encoding = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f36cbc16ad0 <WTF::StringImpl::s_atomicEmptyString>}}
#18 0x00007f36cfe7080c in WebCore::DocumentLoader::finishedLoading() (this=this at entry=0x7f36b3e9b000) at ....webkit.master/Source/WebCore/loader/DocumentLoader.cpp:413
        protectedThis = {static isRef = <optimized out>, m_ptr = 0x7f36b3e9b000}
        responseEndTime = <optimized out>
#19 0x00007f36cfe72739 in WebCore::DocumentLoader::maybeLoadEmpty() (this=this at entry=0x7f36b3e9b000) at ....webkit.master/Source/WebCore/loader/DocumentLoader.cpp:1439
        shouldLoadEmpty = <optimized out>
        mimeType = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000f0f80}}
#20 0x00007f36cfe73dfc in WebCore::DocumentLoader::startLoadingMainResource() (this=0x7f36b3e9b000) at ....webkit.master/Source/WebCore/loader/DocumentLoader.cpp:1451
#21 0x00007f36cfe81d23 in WebCore::FrameLoader::init() (this=0xa8da60) at ....webkit.master/Source/WebCore/loader/FrameLoader.cpp:307
        protect = <optimized out>
#22 0x00007f36cff2ebec in WebCore::Frame::init() (this=<optimized out>) at ....webkit.master/Source/WebCore/page/Frame.cpp:203
#23 0x00007f36cf251fec in WebKit::WebFrame::createWithCoreMainFrame(WebKit::WebPage*, WebCore::Frame*) (page=page at entry=0x7f3671af9000, coreFrame=0x7f36b3ead440) at ....webkit.master/Source/WebKit/WebProcess/WebPage/WebFrame.cpp:120
        frame = {static isRef = <optimized out>, m_ptr = 0x7f36b3eb7068}
#24 0x00007f36cf267f37 in WebKit::WebPage::WebPage(unsigned long, WebKit::WebPageCreationParameters&&) (this=0x7f3671af9000, pageID=<optimized out>, parameters=...) at ....webkit.master/Source/WebKit/WebProcess/WebPage/WebPage.cpp:436
        pageConfiguration = {alternativeTextClient = 0x0, chromeClient = 0xac0e90, contextMenuClient = 0xa77ff0, editorClient = {m_ref = std::unique_ptr<WebCore::EditorClient> containing 0x0}, socketProvider = {static isRef = <optimized out>, m_ptr = 0x0}, dragClient = 0xac0ec0, inspectorClient = 0xa56090, libWebRTCProvider = {m_ref = std::unique_ptr<WebCore::LibWebRTCProvider> containing 0x0}, plugInClient = 0xac0ee0, progressTrackerClient = 0xac0f30, backForwardClient = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3efb120}, validationMessageClient = std::unique_ptr<WebCore::ValidationMessageClient> containing 0x0, loaderClientForMainFrame = 0xac0f00, diagnosticLoggingClient = std::unique_ptr<WebCore::DiagnosticLoggingClient> containing 0x0, performanceLoggingClient = std::unique_ptr<WebCore::PerformanceLoggingClient> containing 0x0, webGLStateTracker = std::unique_ptr<WebCore::WebGLStateTracker> containing 0x0, applicationCacheStorage = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3ed4000}, databaseProvider = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3eed180}, cacheStorageProvider = {static isRef = <optimized out>, m_ptr = 0x0}, pluginInfoProvider = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3ef7190}, storageNamespaceProvider = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3ef71e0}, userContentProvider = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3ecb000}, visitedLinkStore = {static isRefPtr = <optimized out>, m_ptr = 0x7f36b3ef7230}}
        webProcess = <optimized out>
#25 0x00007f36cf26879e in WebKit::WebPage::create(unsigned long, WebKit::WebPageCreationParameters&&) (pageID=1, parameters=...) at ....webkit.master/Source/WebKit/WebProcess/WebPage/WebPage.cpp:316
        page = {static isRef = <optimized out>, m_ptr = 0x0}
#26 0x00007f36cf1bcda8 in WebKit::WebProcess::createWebPage(unsigned long, WebKit::WebPageCreationParameters&&) (this=0xa93ab0, pageID=<optimized out>, parameters=...) at ....webkit.master/Source/WebKit/WebProcess/WebProcess.cpp:574
        result = {iterator = {<std::iterator<std::forward_iterator_tag, WTF::KeyValuePair<unsigned long, WTF::RefPtr<WebKit::WebPage> >, long, WTF::KeyValuePair<unsigned long, WTF::RefPtr<WebKit::WebPage> >*, WTF::KeyValuePair<unsigned long, WTF::RefPtr<WebKit::WebPage> >&>> = {<No data fields>}, m_iterator = {<std::iterator<std::forward_iterator_tag, WTF::KeyValuePair<unsigned long, WTF::RefPtr<WebKit::WebPage> >, long, WTF::KeyValuePair<unsigned long, WTF::RefPtr<WebKit::WebPage> > const*, WTF::KeyValuePair<unsigned long, WTF::RefPtr<WebKit::WebPage> > const&>> = {<No data fields>}, m_position = 0x7f36b3efd610, m_endPosition = <optimized out>}}, isNewEntry = <optimized out>}
#27 0x00007f36cf44e767 in IPC::callMemberFunctionImpl<WebKit::WebProcess, void (WebKit::WebProcess::*)(unsigned long, WebKit::WebPageCreationParameters&&), std::tuple<unsigned long, WebKit::WebPageCreationParameters>, 0ul, 1ul>(WebKit::WebProcess*, void (WebKit::WebProcess::*)(unsigned long, WebKit::WebPageCreationParameters&&), std::tuple<unsigned long, WebKit::WebPageCreationParameters>&&, std::integer_sequence<unsigned long, 0ul, 1ul>) (args=..., function=<optimized out>, object=0xa93ab0) at ....webkit.master/Source/WebKit/Platform/IPC/HandleMessage.h:40
        arguments = std::tuple containing = {[1] = 1, [2] = {viewSize = {m_width = 0, m_height = 0}, activityState = 32, store = {m_values = {m_impl = {static m_maxLoad = <optimized out>, static m_minLoad = <optimized out>, m_table = 0x7f3671cfa000, m_tableSize = 64, m_tableSizeMask = 63, m_keyCount = 24, m_deletedCount = 0}}, m_overridenDefaults = {m_impl = {static m_maxLoad = <optimized out>, static m_minLoad = <optimized out>, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}}, drawingAreaType = WebKit::DrawingAreaTypeImpl, pageGroupData = {identifier = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000fd240}}, pageGroupID = 1, visibleToInjectedBundle = true, visibleToHistoryClient = true, userContentControllerIdentifier = 1}, drawsBackground = true, isEditable = false, underlayColor = {static black = 4278190080, static white = 4294967295, static darkGray = 4286611584, static gray = 4288716960, static lightGray = 4290822336, static transparent = 0, static cyan = 4278255615, static yellow = 4294967040, static compositionFill = 4292992341, static extendedColor = 0, static invalidRGBAColor = 1, static validRGBAColorBit = 2, static validRGBAColor = 3, static deletedHashValue = 18446744073709551613, static emptyHashValue = 18446744073709551611, m_colorData = {rgbaAndFlags = 1, extendedColor = 0x1}}, useFixedLayout = false, fixedLayoutSize = {m_width = 0, m_height = 0}, suppressScrollbarAnimations = false, paginationMode = WebCore::Pagination::Unpaginated, paginationBehavesLikeColumns = false, pageLength = 0, gapBetweenPages = 0, paginationLineGridEnabled = false, userAgent = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000f8000}}, itemStates = {<WTF::VectorBuffer<WebKit::BackForwardListItemState, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::BackForwardListItemState, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, sessionID = {m_sessionID = 1}, highestUsedBackForwardItemID = 0, userContentControllerID = 2, visitedLinkTableID = 1, websiteDataStoreID = 1, canRunBeforeUnloadConfirmPanel = false, canRunModal = false, deviceScaleFactor = 1, viewScaleFactor = 1, topContentInset = 0, mediaVolume = 1, muted = 0, mayStartMediaWhenInWindow = true, minimumLayoutSize = {m_width = 0, m_height = 0}, autoSizingShouldExpandToViewHeight = false, viewportSizeForCSSViewportUnits = {<std::constexpr_optional_base<WebCore::IntSize>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = {m_width = 0, m_height = 0}}}, <No data fields>}, scrollPinningBehavior = WebCore::DoNotPin, scrollbarOverlayStyle = {<std::constexpr_optional_base<unsigned int>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, backgroundExtendsBeyondPage = false, layerHostingMode = WebKit::LayerHostingMode::InProcess, mimeTypesWithCustomContentProviders = {<WTF::VectorBuffer<WTF::String, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::String, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, controlledByAutomation = false, allowsRemoteInspection = true, remoteInspectionNameOverride = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, appleMailPaginationQuirkEnabled = false, shouldScaleViewToFitDocument = false, userInterfaceLayoutDirection = WebCore::UserInterfaceLayoutDirection::LTR, observedLayoutMilestones = 0, overrideContentSecurityPolicy = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, cpuLimit = {<std::constexpr_optional_base<double>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, urlSchemeHandlers = {m_impl = {static m_maxLoad = 2, static m_minLoad = 6, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}, iceCandidateFilteringEnabled = true, enumeratingAllNetworkInterfacesEnabled = false, userContentWorlds = {<WTF::VectorBuffer<std::pair<unsigned long, WTF::String>, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<std::pair<unsigned long, WTF::String>, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, userScripts = {<WTF::VectorBuffer<WebKit::WebUserScriptData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebUserScriptData, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, userStyleSheets = {<WTF::VectorBuffer<WebKit::WebUserStyleSheetData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebUserStyleSheetData, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, messageHandlers = {<WTF::VectorBuffer<WebKit::WebScriptMessageHandlerData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebScriptMessageHandlerData, WTF::FastMalloc>> = {m_buffer = 0x7f36b3efb0f0, m_capacity = 1, m_size = 1}, <No data fields>}, <No data fields>}}}
#28 0x00007f36cf44e767 in IPC::callMemberFunction<WebKit::WebProcess, void (WebKit::WebProcess::*)(unsigned long, WebKit::WebPageCreationParameters&&), std::tuple<unsigned long, WebKit::WebPageCreationParameters>, std::integer_sequence<unsigned long, 0ul, 1ul> >(std::tuple<unsigned long, WebKit::WebPageCreationParameters>&&, WebKit::WebProcess*, void (WebKit::WebProcess::*)(unsigned long, WebKit::WebPageCreationParameters&&)) (function=<optimized out>, object=0xa93ab0, args=...) at ....webkit.master/Source/WebKit/Platform/IPC/HandleMessage.h:46
        arguments = std::tuple containing = {[1] = 1, [2] = {viewSize = {m_width = 0, m_height = 0}, activityState = 32, store = {m_values = {m_impl = {static m_maxLoad = <optimized out>, static m_minLoad = <optimized out>, m_table = 0x7f3671cfa000, m_tableSize = 64, m_tableSizeMask = 63, m_keyCount = 24, m_deletedCount = 0}}, m_overridenDefaults = {m_impl = {static m_maxLoad = <optimized out>, static m_minLoad = <optimized out>, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}}, drawingAreaType = WebKit::DrawingAreaTypeImpl, pageGroupData = {identifier = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000fd240}}, pageGroupID = 1, visibleToInjectedBundle = true, visibleToHistoryClient = true, userContentControllerIdentifier = 1}, drawsBackground = true, isEditable = false, underlayColor = {static black = 4278190080, static white = 4294967295, static darkGray = 4286611584, static gray = 4288716960, static lightGray = 4290822336, static transparent = 0, static cyan = 4278255615, static yellow = 4294967040, static compositionFill = 4292992341, static extendedColor = 0, static invalidRGBAColor = 1, static validRGBAColorBit = 2, static validRGBAColor = 3, static deletedHashValue = 18446744073709551613, static emptyHashValue = 18446744073709551611, m_colorData = {rgbaAndFlags = 1, extendedColor = 0x1}}, useFixedLayout = false, fixedLayoutSize = {m_width = 0, m_height = 0}, suppressScrollbarAnimations = false, paginationMode = WebCore::Pagination::Unpaginated, paginationBehavesLikeColumns = false, pageLength = 0, gapBetweenPages = 0, paginationLineGridEnabled = false, userAgent = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000f8000}}, itemStates = {<WTF::VectorBuffer<WebKit::BackForwardListItemState, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::BackForwardListItemState, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, sessionID = {m_sessionID = 1}, highestUsedBackForwardItemID = 0, userContentControllerID = 2, visitedLinkTableID = 1, websiteDataStoreID = 1, canRunBeforeUnloadConfirmPanel = false, canRunModal = false, deviceScaleFactor = 1, viewScaleFactor = 1, topContentInset = 0, mediaVolume = 1, muted = 0, mayStartMediaWhenInWindow = true, minimumLayoutSize = {m_width = 0, m_height = 0}, autoSizingShouldExpandToViewHeight = false, viewportSizeForCSSViewportUnits = {<std::constexpr_optional_base<WebCore::IntSize>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = {m_width = 0, m_height = 0}}}, <No data fields>}, scrollPinningBehavior = WebCore::DoNotPin, scrollbarOverlayStyle = {<std::constexpr_optional_base<unsigned int>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, backgroundExtendsBeyondPage = false, layerHostingMode = WebKit::LayerHostingMode::InProcess, mimeTypesWithCustomContentProviders = {<WTF::VectorBuffer<WTF::String, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::String, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, controlledByAutomation = false, allowsRemoteInspection = true, remoteInspectionNameOverride = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, appleMailPaginationQuirkEnabled = false, shouldScaleViewToFitDocument = false, userInterfaceLayoutDirection = WebCore::UserInterfaceLayoutDirection::LTR, observedLayoutMilestones = 0, overrideContentSecurityPolicy = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, cpuLimit = {<std::constexpr_optional_base<double>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, urlSchemeHandlers = {m_impl = {static m_maxLoad = 2, static m_minLoad = 6, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}, iceCandidateFilteringEnabled = true, enumeratingAllNetworkInterfacesEnabled = false, userContentWorlds = {<WTF::VectorBuffer<std::pair<unsigned long, WTF::String>, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<std::pair<unsigned long, WTF::String>, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, userScripts = {<WTF::VectorBuffer<WebKit::WebUserScriptData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebUserScriptData, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, userStyleSheets = {<WTF::VectorBuffer<WebKit::WebUserStyleSheetData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebUserStyleSheetData, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, messageHandlers = {<WTF::VectorBuffer<WebKit::WebScriptMessageHandlerData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebScriptMessageHandlerData, WTF::FastMalloc>> = {m_buffer = 0x7f36b3efb0f0, m_capacity = 1, m_size = 1}, <No data fields>}, <No data fields>}}}
#29 0x00007f36cf44e767 in IPC::handleMessage<Messages::WebProcess::CreateWebPage, WebKit::WebProcess, void (WebKit::WebProcess::*)(unsigned long, WebKit::WebPageCreationParameters&&)>(IPC::Decoder&, WebKit::WebProcess*, void (WebKit::WebProcess::*)(unsigned long, WebKit::WebPageCreationParameters&&)) (decoder=..., object=object at entry=0xa93ab0, function=(void (WebKit::WebProcess::*)(WebKit::WebProcess * const, unsigned long, WebKit::WebPageCreationParameters &&)) 0x7f36cf1bcd50 <WebKit::WebProcess::createWebPage(unsigned long, WebKit::WebPageCreationParameters&&)>) at ....webkit.master/Source/WebKit/Platform/IPC/HandleMessage.h:126
        arguments = std::tuple containing = {[1] = 1, [2] = {viewSize = {m_width = 0, m_height = 0}, activityState = 32, store = {m_values = {m_impl = {static m_maxLoad = <optimized out>, static m_minLoad = <optimized out>, m_table = 0x7f3671cfa000, m_tableSize = 64, m_tableSizeMask = 63, m_keyCount = 24, m_deletedCount = 0}}, m_overridenDefaults = {m_impl = {static m_maxLoad = <optimized out>, static m_minLoad = <optimized out>, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}}, drawingAreaType = WebKit::DrawingAreaTypeImpl, pageGroupData = {identifier = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000fd240}}, pageGroupID = 1, visibleToInjectedBundle = true, visibleToHistoryClient = true, userContentControllerIdentifier = 1}, drawsBackground = true, isEditable = false, underlayColor = {static black = 4278190080, static white = 4294967295, static darkGray = 4286611584, static gray = 4288716960, static lightGray = 4290822336, static transparent = 0, static cyan = 4278255615, static yellow = 4294967040, static compositionFill = 4292992341, static extendedColor = 0, static invalidRGBAColor = 1, static validRGBAColorBit = 2, static validRGBAColor = 3, static deletedHashValue = 18446744073709551613, static emptyHashValue = 18446744073709551611, m_colorData = {rgbaAndFlags = 1, extendedColor = 0x1}}, useFixedLayout = false, fixedLayoutSize = {m_width = 0, m_height = 0}, suppressScrollbarAnimations = false, paginationMode = WebCore::Pagination::Unpaginated, paginationBehavesLikeColumns = false, pageLength = 0, gapBetweenPages = 0, paginationLineGridEnabled = false, userAgent = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x7f1c000f8000}}, itemStates = {<WTF::VectorBuffer<WebKit::BackForwardListItemState, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::BackForwardListItemState, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, sessionID = {m_sessionID = 1}, highestUsedBackForwardItemID = 0, userContentControllerID = 2, visitedLinkTableID = 1, websiteDataStoreID = 1, canRunBeforeUnloadConfirmPanel = false, canRunModal = false, deviceScaleFactor = 1, viewScaleFactor = 1, topContentInset = 0, mediaVolume = 1, muted = 0, mayStartMediaWhenInWindow = true, minimumLayoutSize = {m_width = 0, m_height = 0}, autoSizingShouldExpandToViewHeight = false, viewportSizeForCSSViewportUnits = {<std::constexpr_optional_base<WebCore::IntSize>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = {m_width = 0, m_height = 0}}}, <No data fields>}, scrollPinningBehavior = WebCore::DoNotPin, scrollbarOverlayStyle = {<std::constexpr_optional_base<unsigned int>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, backgroundExtendsBeyondPage = false, layerHostingMode = WebKit::LayerHostingMode::InProcess, mimeTypesWithCustomContentProviders = {<WTF::VectorBuffer<WTF::String, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::String, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, controlledByAutomation = false, allowsRemoteInspection = true, remoteInspectionNameOverride = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, appleMailPaginationQuirkEnabled = false, shouldScaleViewToFitDocument = false, userInterfaceLayoutDirection = WebCore::UserInterfaceLayoutDirection::LTR, observedLayoutMilestones = 0, overrideContentSecurityPolicy = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, cpuLimit = {<std::constexpr_optional_base<double>> = {init_ = false, storage_ = {dummy_ = 0 '\000', value_ = 0}}, <No data fields>}, urlSchemeHandlers = {m_impl = {static m_maxLoad = 2, static m_minLoad = 6, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}, iceCandidateFilteringEnabled = true, enumeratingAllNetworkInterfacesEnabled = false, userContentWorlds = {<WTF::VectorBuffer<std::pair<unsigned long, WTF::String>, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<std::pair<unsigned long, WTF::String>, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, userScripts = {<WTF::VectorBuffer<WebKit::WebUserScriptData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebUserScriptData, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, userStyleSheets = {<WTF::VectorBuffer<WebKit::WebUserStyleSheetData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebUserStyleSheetData, WTF::FastMalloc>> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}, <No data fields>}, messageHandlers = {<WTF::VectorBuffer<WebKit::WebScriptMessageHandlerData, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WebKit::WebScriptMessageHandlerData, WTF::FastMalloc>> = {m_buffer = 0x7f36b3efb0f0, m_capacity = 1, m_size = 1}, <No data fields>}, <No data fields>}}}
#30 0x00007f36cf44ad33 in WebKit::WebProcess::didReceiveWebProcessMessage(IPC::Connection&, IPC::Decoder&) (this=0xa93ab0, connection=..., decoder=...) at ....webkit.master/_build/DerivedSources/WebKit/WebProcessMessageReceiver.cpp:69
#31 0x00007f36cf0664cb in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) (this=0x7f36b3ee5000, message=std::unique_ptr<IPC::Decoder> containing 0x7f36b3edd060) at ....webkit.master/Source/WebKit/Platform/IPC/Connection.cpp:928
        oldDidReceiveInvalidMessage = false
#32 0x00007f36cf066d48 in IPC::Connection::dispatchOneMessage() (this=0x7f36b3ee5000) at ....webkit.master/Source/WebKit/Platform/IPC/Connection.cpp:959
        message = std::unique_ptr<IPC::Decoder> containing 0x0
#33 0x00007f36cb97077d in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at ....webkit.master/Source/WTF/wtf/Function.h:56
        function = {m_callableWrapper = std::unique_ptr<WTF::Function<void()>::CallableWrapperBase> containing 0x7f36b3ee3030}
        functionsHandled = 1
        functionsToHandle = <optimized out>
#34 0x00007f36cb97077d in WTF::RunLoop::performWork() (this=0x7f36b3ef9000) at ....webkit.master/Source/WTF/wtf/RunLoop.cpp:123
        function = {m_callableWrapper = std::unique_ptr<WTF::Function<void()>::CallableWrapperBase> containing 0x7f36b3ee3030}
        functionsHandled = 1
        functionsToHandle = <optimized out>
#35 0x00007f36cb996de9 in WTF::RunLoop::<lambda(gpointer)>::operator() (__closure=0x0, userData=<optimized out>) at ....webkit.master/Source/WTF/wtf/glib/RunLoopGLib.cpp:68
#36 0x00007f36cb996de9 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at ....webkit.master/Source/WTF/wtf/glib/RunLoopGLib.cpp:70
#37 0x00007f36cbe76bb7 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#38 0x00007f36cbe76f60 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#39 0x00007f36cbe77272 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#40 0x00007f36cb997728 in WTF::RunLoop::run() () at ....webkit.master/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
        runLoop = @0x7f36b3ef9000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 20}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f36cbbdcd48 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {m_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 512, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 17 times>, "\002", '\000' <repeats 21 times>, __align = 0}}, m_functionQueue = {m_start = 2, m_end = 12, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()>, WTF::FastMalloc>> = {m_buffer = 0x7f36b3ee1100, m_capacity = 16, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0xa83980}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0, WTF::FastMalloc>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop>, WTF::FastMalloc>> = {m_buffer = 0x7f36b3efd100, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0xab8880}}
        nestedMainLoop = <optimized out>
#41 0x00007f36cf3e9688 in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain>(int, char**) (argc=<optimized out>, argv=0x7ffd9b841d28) at ....webkit.master/Source/WebKit/Shared/unix/ChildProcessMain.h:61
        childMain = {<WebKit::ChildProcessMainBase> = {_vptr.ChildProcessMainBase = 0x7f36d101caf8 <vtable for WebKit::WebProcessMain+16>, m_parameters = {uiProcessName = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, clientIdentifier = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, connectionIdentifier = 20, extraInitializationData = {m_impl = {static m_maxLoad = 2, static m_minLoad = 6, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}}}, <No data fields>}
#42 0x00007f36ce3b103a in __libc_start_main () at /lib64/libc.so.6
#43 0x000000000040086a in _start ()

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