Bug 142973

Summary:	Assertion firing in JavaScriptCore/parser/parser.h for statesman.com site
Product:	WebKit	Reporter:	Brent Fulgham <bfulgham>
Component:	JavaScriptCore	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED DUPLICATE
Severity:	Normal
Priority:	P2
Version:	528+ (Nightly build)
Hardware:	Mac
OS:	OS X 10.10

Description Brent Fulgham 2015-03-23 11:57:16 PDT

After updating sources this morning and rebuilding, a test case for a bug I am working on now asserts in JavaScriptCore:

Test site:  <http://www.statesman.com/s/sports/>

Assertion:     ASSERT(m_source->startColumn() > 0); (Line 921 in JavaScriptCore/parser/Parser.h)

Call stack:
Thread 1Queue : com.apple.main-thread (serial)
#0	0x000000010d4aa6da in WTFCrash at /Volumes/Data/Projects/WebKit/OpenSource/Source/WTF/wtf/Assertions.cpp:321
#1	0x000000010cb320b9 in std::__1::unique_ptr<JSC::ProgramNode, std::__1::default_delete<JSC::ProgramNode> > JSC::Parser<JSC::Lexer<unsigned char> >::parse<JSC::ProgramNode>(JSC::ParserError&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/parser/Parser.h:921
#2	0x000000010cb308fb in std::__1::unique_ptr<JSC::ProgramNode, std::__1::default_delete<JSC::ProgramNode> > JSC::parse<JSC::ProgramNode>(JSC::VM*, JSC::SourceCode const&, JSC::FunctionParameters*, JSC::Identifier const&, JSC::JSParserBuiltinMode, JSC::JSParserStrictMode, JSC::JSParserCodeType, JSC::ParserError&, JSC::JSTextPosition*, JSC::ConstructorKind) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/parser/Parser.h:998
#3	0x000000010cbdde2f in JSC::UnlinkedProgramCodeBlock* JSC::CodeCache::getGlobalCodeBlock<JSC::UnlinkedProgramCodeBlock, JSC::ProgramExecutable>(JSC::VM&, JSC::ProgramExecutable*, JSC::SourceCode const&, JSC::JSParserBuiltinMode, JSC::JSParserStrictMode, JSC::DebuggerMode, JSC::ProfilerMode, JSC::ParserError&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/runtime/CodeCache.cpp:95
#4	0x000000010cbdd0df in JSC::CodeCache::getProgramCodeBlock(JSC::VM&, JSC::ProgramExecutable*, JSC::SourceCode const&, JSC::JSParserBuiltinMode, JSC::JSParserStrictMode, JSC::DebuggerMode, JSC::ProfilerMode, JSC::ParserError&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/runtime/CodeCache.cpp:125
#5	0x000000010d1477cf in JSC::JSGlobalObject::createProgramCodeBlock(JSC::ExecState*, JSC::ProgramExecutable*, JSC::JSObject**) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/runtime/JSGlobalObject.cpp:789
#6	0x000000010cf13c1d in JSC::ProgramExecutable::initializeGlobalProperties(JSC::VM&, JSC::ExecState*, JSC::JSScope*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/runtime/Executable.cpp:496
#7	0x000000010d0a9f73 in JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/interpreter/Interpreter.cpp:830
#8	0x000000010cc07f30 in JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/JavaScriptCore/runtime/Completion.cpp:83
#9	0x000000010fbd99f5 in WebCore::JSMainThreadExecState::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/bindings/js/JSMainThreadExecState.h:62
#10	0x000000011061510d in WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/bindings/js/ScriptController.cpp:164
#11	0x0000000110615254 in WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/bindings/js/ScriptController.cpp:180
#12	0x00000001106243d7 in WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/dom/ScriptElement.cpp:301
#13	0x0000000110623360 in WebCore::ScriptElement::prepareScript(WTF::TextPosition const&, WebCore::ScriptElement::LegacyTypeSupport) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/dom/ScriptElement.cpp:237
#14	0x000000010f634c06 in WebCore::HTMLScriptRunner::runScript(WebCore::Element*, WTF::TextPosition const&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLScriptRunner.cpp:309
#15	0x000000010f634a09 in WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element>, WTF::TextPosition const&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLScriptRunner.cpp:178
#16	0x000000010f56f5d0 in WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder() at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:195
#17	0x000000010f56f6d1 in WebCore::HTMLDocumentParser::canTakeNextToken(WebCore::HTMLDocumentParser::SynchronousMode, WebCore::PumpSession&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:213
#18	0x000000010f56e9e8 in WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:259
#19	0x000000010f56e5c9 in WebCore::HTMLDocumentParser::pumpTokenizerIfPossible(WebCore::HTMLDocumentParser::SynchronousMode) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:166
#20	0x000000010f570719 in WebCore::HTMLDocumentParser::resumeParsingAfterScriptExecution() at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:496
#21	0x000000010f570b18 in WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:536
#22	0x000000010f570b7f in non-virtual thunk to WebCore::HTMLDocumentParser::notifyFinished(WebCore::CachedResource*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/html/parser/HTMLDocumentParser.cpp:537
#23	0x000000010ed1dd52 in WebCore::CachedResource::checkNotify() at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/loader/cache/CachedResource.cpp:291
#24	0x000000010ed1de64 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/loader/cache/CachedResource.cpp:307
#25	0x000000010ed3cee1 in WebCore::CachedScript::finishLoading(WebCore::SharedBuffer*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/loader/cache/CachedScript.cpp:86
#26	0x00000001108e0495 in WebCore::SubresourceLoader::didFinishLoading(double) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebCore/loader/SubresourceLoader.cpp:364
#27	0x000000010a25bdac in WebKit::WebResourceLoader::didFinishResourceLoad(double) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/WebProcess/Network/WebResourceLoader.cpp:162
#28	0x000000010a261143 in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>&&, std::index_sequence<0ul>) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/HandleMessage.h:16
#29	0x000000010a261098 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, std::make_index_sequence<1ul> >(std::__1::tuple<double>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/HandleMessage.h:22
#30	0x000000010a26054d in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double)>(IPC::MessageDecoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/HandleMessage.h:92
#31	0x000000010a25fc82 in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) at /Volumes/Data/Projects/WebKit/OpenSource/WebKitBuild/Debug/DerivedSources/WebKit2/WebResourceLoaderMessageReceiver.cpp:71
#32	0x0000000109b75680 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/WebProcess/Network/NetworkProcessConnection.cpp:60
#33	0x0000000109986b33 in IPC::Connection::dispatchMessage(IPC::MessageDecoder&) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:847
#34	0x000000010997ef40 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:870
#35	0x000000010998712f in IPC::Connection::dispatchOneMessage() at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:898
#36	0x000000010998881d in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_9::operator()() const at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Platform/IPC/Connection.cpp:841
#37	0x00000001099887ec in decltype(std::__1::forward<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_9&>(fp)(std::__1::forward<>(fp0))) std::__1::__invoke<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_9&>(IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_9&&&) [inlined] at /Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain/usr/bin/../include/c++/v1/__functional_base:413
#38	0x00000001099887db in std::__1::__function::__func<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_9, std::__1::allocator<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_9>, void ()>::operator()() at /Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain/usr/bin/../include/c++/v1/functional:1370
#39	0x000000010cff345a in std::__1::function<void ()>::operator()() const at /Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain/usr/bin/../include/c++/v1/functional:1755
#40	0x000000010d4e5551 in WTF::RunLoop::performWork() at /Volumes/Data/Projects/WebKit/OpenSource/Source/WTF/wtf/RunLoop.cpp:119
#41	0x000000010d4e6724 in WTF::RunLoop::performWork(void*) at /Volumes/Data/Projects/WebKit/OpenSource/Source/WTF/wtf/cf/RunLoopCF.cpp:38
#42	0x00007fff8d0daa01 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ ()
#43	0x00007fff8d0ccc5c in __CFRunLoopDoSources0 ()
#44	0x00007fff8d0cc1bf in __CFRunLoopRun ()
#45	0x00007fff8d0cbbd8 in CFRunLoopRunSpecific ()
#46	0x00007fff83b6a56f in RunCurrentEventLoopInMode ()
#47	0x00007fff83b6a2ea in ReceiveNextEventCommon ()
#48	0x00007fff83b6a12b in _BlockUntilNextEventMatchingListInModeWithFilter ()
#49	0x00007fff86677a7b in _DPSNextEvent ()
#50	0x00007fff86677028 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] ()
#51	0x00007fff8666ccb3 in -[NSApplication run] ()
#52	0x00007fff865e9424 in NSApplicationMain ()
#53	0x00007fff89ed7958 in _xpc_objc_main ()
#54	0x00007fff89ed9060 in xpc_main ()
#55	0x00000001056d8185 in main at /Volumes/Data/Projects/WebKit/OpenSource/Source/WebKit2/Shared/EntryPointUtilities/mac/XPCService/XPCServiceMain.Development.mm:162
#56	0x00007fff8c0345c9 in start ()

Comment 1 Brent Fulgham 2015-03-23 11:58:53 PDT


*** This bug has been marked as a duplicate of bug 142974 ***