[Webkit-unassigned] [Bug 140520] New: [Win] Crash in 'inspector-protocol/debugger/setBreakpoint-dfg.html'

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 15 15:46:47 PST 2015 

https://bugs.webkit.org/show_bug.cgi?id=140520

            Bug ID: 140520
           Summary: [Win] Crash in
                    'inspector-protocol/debugger/setBreakpoint-dfg.html'
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: PC
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

The layout test 'inspector-protocol/debugger/setBreakpoint-dfg.html' is crashing on Windows.

Apparently the value we are working with is not (as expected) a JSScope

The crash trace is:

>	WTF.dll!WTFCrashWithSecurityImplication() Line 335	C++
     JavaScriptCore.dll!JSC::jsCast<JSC::JSScope *>(JSC::JSValue from) Line 249    C++
     JavaScriptCore.dll!JSC::Register::scope() Line 239    C++
     JavaScriptCore.dll!JSC::ExecState::scope(int scopeRegisterOffset) Line 50    C++
     JavaScriptCore.dll!JSC::DebuggerCallFrame::scope() Line 149    C++
     JavaScriptCore.dll!Inspector::ScriptDebugServer::exceptionOrCaughtValue(JSC::ExecState * state) Line 342    C++
     JavaScriptCore.dll!Inspector::ScriptDebugServer::dispatchDidPause(Inspector::ScriptDebugListener * listener) Line 140    C++
     JavaScriptCore.dll!Inspector::ScriptDebugServer::dispatchFunctionToListeners(const WTF::HashSet<Inspector::ScriptDebugListener *,WTF::PtrHash<Inspector::ScriptDebugListener *>,WTF::HashTraits<Inspector::ScriptDebugListener *> > & listeners, void (Inspector::ScriptDebugListener *) * callback) Line 281    C++
     JavaScriptCore.dll!Inspector::ScriptDebugServer::dispatchFunctionToListeners(void (Inspector::ScriptDebugListener *) * callback) Line 274    C++
     JavaScriptCore.dll!Inspector::ScriptDebugServer::handlePause(JSC::JSGlobalObject * vmEntryGlobalObject, JSC::Debugger::ReasonForPause __formal) Line 315    C++
     JavaScriptCore.dll!JSC::Debugger::pauseIfNeeded(JSC::ExecState * callFrame) Line 679    C++
     JavaScriptCore.dll!JSC::Debugger::updateCallFrameAndPauseIfNeeded(JSC::ExecState * callFrame) Line 635    C++
     JavaScriptCore.dll!JSC::Debugger::atStatement(JSC::ExecState * callFrame) Line 715    C++
     JavaScriptCore.dll!JSC::Interpreter::debug(JSC::ExecState * callFrame, JSC::DebugHookID debugHookID) Line 1228    C++
     JavaScriptCore.dll!operationDebug(JSC::ExecState * exec, int debugHookID) Line 1005    C++
     [External Code]    
     [Frames below may be incorrect and/or missing]    
     JavaScriptCore.dll!llint_entry() Line 7211    Unknown
     JavaScriptCore.dll!vmEntryToJavaScript() Line 109    Unknown
     JavaScriptCore.dll!JSC::JITCode::execute(JSC::VM * vm, JSC::ProtoCallFrame * protoCallFrame) Line 77    C++
     JavaScriptCore.dll!JSC::Interpreter::execute(JSC::EvalExecutable * eval, JSC::ExecState * callFrame, JSC::JSValue thisValue, JSC::JSScope * scope) Line 1201    C++
     JavaScriptCore.dll!JSC::globalFuncEval(JSC::ExecState * exec) Line 527    C++
     [External Code]    
     JavaScriptCore.dll!llint_entry() Line 7178    Unknown
     JavaScriptCore.dll!llint_entry() Line 7178    Unknown
     JavaScriptCore.dll!llint_entry() Line 7178    Unknown
     JavaScriptCore.dll!vmEntryToJavaScript() Line 109    Unknown
     JavaScriptCore.dll!JSC::JITCode::execute(JSC::VM * vm, JSC::ProtoCallFrame * protoCallFrame) Line 77    C++
     JavaScriptCore.dll!JSC::Interpreter::executeCall(JSC::ExecState * callFrame, JSC::JSObject * function, JSC::CallType callType, const JSC::CallData & callData, JSC::JSValue thisValue, const JSC::ArgList & args) Line 978    C++
     JavaScriptCore.dll!JSC::call(JSC::ExecState * exec, JSC::JSValue functionObject, JSC::CallType callType, const JSC::CallData & callData, JSC::JSValue thisValue, const JSC::ArgList & args) Line 39    C++
     JavaScriptCore.dll!JSC::call(JSC::ExecState * exec, JSC::JSValue functionObject, JSC::CallType callType, const JSC::CallData & callData, JSC::JSValue thisValue, const JSC::ArgList & args, JSC::JSValue * exception) Line 44    C++
     WebKit.dll!WebCore::JSMainThreadExecState::call(JSC::ExecState * exec, JSC::JSValue functionObject, JSC::CallType callType, const JSC::CallData & callData, JSC::JSValue thisValue, const JSC::ArgList & args, JSC::JSValue * exception) Line 56    C++
     WebKit.dll!WebCore::functionCallHandlerFromAnyThread(JSC::ExecState * exec, JSC::JSValue functionObject, JSC::CallType callType, const JSC::CallData & callData, JSC::JSValue thisValue, const JSC::ArgList & args, JSC::JSValue * exception) Line 52    C++
     JavaScriptCore.dll!Deprecated::ScriptFunctionCall::call(bool & hadException) Line 138    C++
     JavaScriptCore.dll!Inspector::InjectedScriptBase::callFunctionWithEvalEnabled(Deprecated::ScriptFunctionCall & function, bool & hadException) Line 89    C++
     JavaScriptCore.dll!Inspector::InjectedScriptBase::makeCall(Deprecated::ScriptFunctionCall & function, WTF::RefPtr<Inspector::InspectorValue> * result) Line 108    C++
     JavaScriptCore.dll!Inspector::InjectedScriptBase::makeEvalCall(WTF::String & errorString, Deprecated::ScriptFunctionCall & function, WTF::RefPtr<Inspector::Protocol::Runtime::RemoteObject> * objectResult, Inspector::Protocol::OptOutput<bool> * wasThrown) Line 121    C++
     JavaScriptCore.dll!Inspector::InjectedScript::evaluate(WTF::String & errorString, const WTF::String & expression, const WTF::String & objectGroup, bool includeCommandLineAPI, bool returnByValue, bool generatePreview, WTF::RefPtr<Inspector::Protocol::Runtime::RemoteObject> * result, Inspector::Protocol::OptOutput<bool> * wasThrown) Line 70    C++
     JavaScriptCore.dll!Inspector::InspectorRuntimeAgent::evaluate(WTF::String & errorString, const WTF::String & expression, const WTF::String * objectGroup, const bool * includeCommandLineAPI, const bool * doNotPauseOnExceptionsAndMuteConsole, const int * executionContextId, const bool * returnByValue, const bool * generatePreview, WTF::RefPtr<Inspector::Protocol::Runtime::RemoteObject> & result, Inspector::Protocol::OptOutput<bool> * wasThrown) Line 132    C++
     JavaScriptCore.dll!Inspector::InspectorRuntimeBackendDispatcher::evaluate(long callId, const Inspector::InspectorObject & message) Line 4274    C++
     JavaScriptCore.dll!Inspector::InspectorRuntimeBackendDispatcher::dispatch(long callId, const WTF::String & method, WTF::Ref<Inspector::InspectorObject> && message) Line 4200    C++
     JavaScriptCore.dll!Inspector::InspectorBackendDispatcher::dispatch(const WTF::String & message) Line 131    C++
     WebKit.dll!WebCore::InspectorController::dispatchMessageFromFrontend(const WTF::String & message) Line 363    C++
     WebKit.dll!WebCore::InspectorBackendDispatchTask::timerFired() Line 99    C++
     [External Code]    
     WebKit.dll!WebCore::Timer::fired() Line 133    C++
     WebKit.dll!WebCore::ThreadTimers::sharedTimerFiredInternal() Line 135    C++
     WebKit.dll!WebCore::ThreadTimers::sharedTimerFired() Line 108    C++
     WebKit.dll!WebCore::TimerWindowWndProc(HWND__ * hWnd, unsigned int message, unsigned int wParam, long lParam) Line 93    C++
     [External Code]    
     DumpRenderTree.dll!runTest(const std::basic_string<char,std::char_traits<char>,std::allocator<char> > & inputLine) Line 1132    C++
     DumpRenderTree.dll!main(int argc, const char * * argv) Line 1476    C++
     DumpRenderTree.dll!dllLauncherEntryPoint(int argc, const char * * argv) Line 1506    C++
     DumpRenderTree.exe!main(int argc, const char * * argv) Line 239    C++
     [External Code]

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