Bug 150062 – CRASH under ~GCAwareJITStubRoutineWithExceptionHandler recording timelines with Web Inspector

• Status: RESOLVED
• Resolution: DUPLICATE
• Component: JavaScriptCore

[Joseph Pecoraro]

* SUMMARY
CRASH under ~GCAwareJITStubRoutineWithExceptionHandler recording timelines with Web Inspector

* STEPS TO REPRODUCE (nearly 100%)
1. Inspect apple.com
2. Switch to Timelines tab
3. Reload
  => inspector crashes

* CRASH

> Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000000
> 
> Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
> 0   JSC::GCAwareJITStubRoutineWithExceptionHandler::~GCAwareJITStubRoutineWithExceptionHandler() + 45 (GCAwareJITStubRoutine.cpp:118)
> 1   JSC::JITStubRoutineSet::deleteUnmarkedJettisonedStubRoutines() + 140 (Vector.h:651)
> 2   JSC::Heap::collectImpl(JSC::HeapOperation, void*, void*, int (&) [37]) + 992 (Heap.cpp:1234)
> 3   JSC::Heap::collect(JSC::HeapOperation) + 96 (Heap.cpp:1026)
> 4   JSC::JSObject::ensureLengthSlow(JSC::VM&, unsigned int) + 498 (JSObject.cpp:2477)
> 5   void JSC::JSObject::putByIndexBeyondVectorLengthWithoutAttributes<(unsigned char)8>(JSC::ExecState*, unsigned int, JSC::JSValue) + 576 (CopyWriteBarrier.h:57)
> 6   operationArrayPush + 54 (DFGOperations.cpp:530)
> 7   0 + 99460893724358
> 8   llint_entry + 23138
> 9   vmEntryToJavaScript + 299
> 10  JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 158 (JITCode.cpp:81)
> 11  JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) + 10445 (Interpreter.cpp:961)
> 12  JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) + 469 (Completion.cpp:104)
> 13  WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld&) + 284 (JSMainThreadExecState.h:62)
> 14  WebCore::ScriptController::executeScript(WTF::String const&, bool) + 320 (Ref.h:55)
> 15  WebKit::WebInspectorFrontendAPIDispatcher::evaluateExpressionOnLoad(WTF::String const&) + 56 (WebInspectorFrontendAPIDispatcher.cpp:83)
> 16  WebKit::WebInspectorFrontendAPIDispatcher::dispatchMessageAsync(WTF::String const&) + 72 (StdLibExtras.h:358)
> ...

[Saam Barati]

*** This bug has been marked as a duplicate of bug 150016 ***