Load the attached test with debug WebKitTestRunner: Checked version: 8af8b44 OS: Darwin-15.6.0-x86_64-i386-64bit <style>{}*|*,a{grid-row-end:2168081754 span}*{display:inline-grid;grid-area:i Backtrace: ASSERTION FAILED: m_endLine > 0 WebKit/Source/WebCore/rendering/style/GridArea.h(147) : void WebCore::GridSpan::translate(unsigned int) 1 0x10a3b14f1 WTFCrash 2 0x1137142c9 WebCore::GridSpan::translate(unsigned int) 3 0x1136e2b49 WebCore::RenderGrid::placeItemsOnGrid(WebCore::RenderGrid::SizingOperation) 4 0x1136e134e WebCore::RenderGrid::layoutBlock(bool, WebCore::LayoutUnit) 5 0x1133551b2 WebCore::RenderBlock::layout() 6 0x1134163e4 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 7 0x11340ef50 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) 8 0x11340b808 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 9 0x1133551b2 WebCore::RenderBlock::layout() 10 0x113d9c3b6 WebCore::RenderView::layoutContent(WebCore::LayoutState const&) 11 0x113d9e816 WebCore::RenderView::layout() 12 0x1101506a2 WebCore::FrameView::layout(bool) 13 0x10f7d06fa WebCore::Document::updateLayout() 14 0x10f7d8fc1 WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks) 15 0x11045b6ec WebCore::HTMLBodyElement::scrollHeight() 16 0x11169c73a WebCore::jsElementScrollHeightGetter(JSC::ExecState&, WebCore::JSElement&, JSC::ThrowScope&) 17 0x1116675b8 long long WebCore::BindingCaller<WebCore::JSElement>::attribute<&(WebCore::jsElementScrollHeightGetter(JSC::ExecState&, WebCore::JSElement&, JSC::ThrowScope&)), (WebCore::CastedThisErrorBehavior)0>(JSC::ExecState*, long long, char const*) 18 0x11166725b WebCore::jsElementScrollHeight(JSC::ExecState*, long long, JSC::PropertyName) 19 0x109e8d62a JSC::PropertySlot::customGetter(JSC::ExecState*, JSC::PropertyName) const 20 0x107a79673 JSC::PropertySlot::getValue(JSC::ExecState*, JSC::PropertyName) const 21 0x107a78dbd JSC::JSValue::get(JSC::ExecState*, JSC::PropertyName, JSC::PropertySlot&) const 22 0x109a041ff llint_slow_path_get_by_id 23 0x109a326b6 llint_entry 24 0x109a2f4ae vmEntryToJavaScript 25 0x10945d2be JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) 26 0x1093286f1 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) 27 0x107e0971b JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) 28 0x107e09c38 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) 29 0x107e0a6ae JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) 30 0x110fd91f1 WebCore::JSMainThreadExecState::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) 31 0x1116eebed WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) ASAN:DEADLYSIGNAL ================================================================= ==9513==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00010a3b1529 bp 0x7fff5f0fabe0 sp 0x7fff5f0fabd0 T0) #0 0x10a3b1528 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) #1 0x1137142c8 in WebCore::GridSpan::translate(unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x50c82c8) #2 0x1136e2b48 in WebCore::RenderGrid::placeItemsOnGrid(WebCore::RenderGrid::SizingOperation) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5096b48) #3 0x1136e134d in WebCore::RenderGrid::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x509534d) #4 0x1133551b1 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d091b1) #5 0x1134163e3 in WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dca3e3) #6 0x11340ef4f in WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dc2f4f) #7 0x11340b807 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dbf807) #8 0x1133551b1 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d091b1) #9 0x113d9c3b5 in WebCore::RenderView::layoutContent(WebCore::LayoutState const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x57503b5) #10 0x113d9e815 in WebCore::RenderView::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5752815) #11 0x1101506a1 in WebCore::FrameView::layout(bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1b046a1) #12 0x10f7d06f9 in WebCore::Document::updateLayout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x11846f9) #13 0x10f7d8fc0 in WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x118cfc0) #14 0x11045b6eb in WebCore::HTMLBodyElement::scrollHeight() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1e0f6eb) #15 0x11169c739 in WebCore::jsElementScrollHeightGetter(JSC::ExecState&, WebCore::JSElement&, JSC::ThrowScope&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x3050739) #16 0x1116675b7 in long long WebCore::BindingCaller<WebCore::JSElement>::attribute<&(WebCore::jsElementScrollHeightGetter(JSC::ExecState&, WebCore::JSElement&, JSC::ThrowScope&)), (WebCore::CastedThisErrorBehavior)0>(JSC::ExecState*, long long, char const*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x301b5b7) #17 0x11166725a in WebCore::jsElementScrollHeight(JSC::ExecState*, long long, JSC::PropertyName) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x301b25a) #18 0x109e8d629 in JSC::PropertySlot::customGetter(JSC::ExecState*, JSC::PropertyName) const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x27dd629) #19 0x107a79672 in JSC::PropertySlot::getValue(JSC::ExecState*, JSC::PropertyName) const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x3c9672) #20 0x107a78dbc in JSC::JSValue::get(JSC::ExecState*, JSC::PropertyName, JSC::PropertySlot&) const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x3c8dbc) #21 0x109a041fe in llint_slow_path_get_by_id (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x23541fe) #22 0x109a326b5 in llint_entry (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x23826b5) #23 0x109a2f4ad in vmEntryToJavaScript (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x237f4ad) #24 0x10945d2bd in JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x1dad2bd) #25 0x1093286f0 in JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x1c786f0) #26 0x107e0971a in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x75971a) #27 0x107e09c37 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x759c37) #28 0x107e0a6ad in JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x75a6ad) #29 0x110fd91f0 in WebCore::JSMainThreadExecState::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x298d1f0) #30 0x1116eebec in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x30a2bec) #31 0x10fc663c8 in WebCore::EventTarget::fireEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener>, 1ul, WTF::CrashOnOverflow, 16ul>) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x161a3c8) #32 0x10fc65c15 in WebCore::EventTarget::fireEventListeners(WebCore::Event&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1619c15) #33 0x10fa3d92a in WebCore::DOMWindow::dispatchEvent(WebCore::Event&, WebCore::EventTarget*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x13f192a) #34 0x10fa54344 in WebCore::DOMWindow::dispatchLoadEvent() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1408344) #35 0x10f7e2ad1 in WebCore::Document::dispatchWindowLoadEvent() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1196ad1) #36 0x10f7d854c in WebCore::Document::implicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x118c54c) #37 0x1100be1e2 in WebCore::FrameLoader::checkCallImplicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a721e2) #38 0x1100bdccb in WebCore::FrameLoader::checkCompleted() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a71ccb) #39 0x1100bdde4 in WebCore::FrameLoader::loadDone() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a71de4) #40 0x10ec9221e in WebCore::CachedResourceLoader::loadDone(WebCore::CachedResource*, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x64621e) #41 0x11474f339 in WebCore::SubresourceLoader::notifyDone() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6103339) #42 0x11474fa9a in WebCore::SubresourceLoader::didFail(WebCore::ResourceError const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6103a9a) #43 0x1025a56d0 in WebKit::WebResourceLoader::didFailResourceLoad(WebCore::ResourceError const&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a916d0) #44 0x1025b3e09 in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&), std::__1::tuple<WebCore::ResourceError>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&), std::__1::tuple<WebCore::ResourceError>&&, std::__1::integer_sequence<unsigned long, 0ul>) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9fe09) #45 0x1025b3a14 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&), std::__1::tuple<WebCore::ResourceError>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebCore::ResourceError>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9fa14) #46 0x1025b0a93 in void IPC::handleMessage<Messages::WebResourceLoader::DidFailResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9ca93) #47 0x1025aec4b in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9ac4b) #48 0x1012d7da9 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x7c3da9) #49 0x100cebfba in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d7fba) #50 0x100cd47c4 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1c07c4) #51 0x100cecca5 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d8ca5) #52 0x100cfd25c in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e925c) #53 0x100cfd188 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e9188) #54 0x10a435830 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d85830) #55 0x10a47fc46 in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dcfc46) #56 0x10a480b11 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dd0b11) #57 0x7fff81c1f880 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xaa880) #58 0x7fff81bfefbb in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x89fbb) #59 0x7fff81bfe4de in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x894de) #60 0x7fff81bfded7 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88ed7) #61 0x7fff82fde934 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30934) #62 0x7fff82fde76e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x3076e) #63 0x7fff82fde5ae in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x305ae) #64 0x7fff8e643df5 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48df5) #65 0x7fff8e643225 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48225) #66 0x7fff8e637d7f in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3cd7f) #67 0x7fff8e601367 in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6367) #68 0x7fff92f09193 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x11193) #69 0x7fff92f07bbd in xpc_main (/usr/lib/system/libxpc.dylib+0xfbbd) #70 0x100afbf73 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001f73) #71 0x7fff8ab8d5ac in start (/usr/lib/system/libdyld.dylib+0x35ac) #72 0x0 (<unknown module>) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) in WTFCrash ==9513==ABORTING #CRASHED - com.apple.WebKit.WebContent.Development (pid 9513)
Created attachment 293305 [details] Test
@Renata: I'm not able to reproduce the issue. I tried with debug build of WebKitGTK (r224920) and macOS (r224757).
(In reply to Frédéric Wang (:fredw) from comment #2) > @Renata: I'm not able to reproduce the issue. I tried with debug build of > WebKitGTK (r224920) and macOS (r224757). @Frédéric: I cannot repro it either, so I think we can close it.
OK, thanks for checking it!