Bug 25658

Summary: Unreproducible crash in Safari at com.apple.JavaScriptCore • JSC::BytecodeGenerator::emitComplexJumpScopes + 468
Product: WebKit Reporter: Geoffrey Garen <ggaren>
Component: JavaScriptCoreAssignee: Geoffrey Garen <ggaren>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, zwarich
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: Mac   
OS: OS X 10.5   
Attachments:
Description Flags
patch w/test ggaren: review+

Geoffrey Garen
Reported 2009-05-08 19:23:04 PDT
Unreproducible crash report. Seems most likely to happen at gmail.com or me.com. Machine Configuration: MacPro1,1 (3072 MB) Process: Safari [573] Path: /Applications/Safari.app/Contents/MacOS/Safari Identifier: com.apple.Safari Version: 4 Public Beta (5528.16) Build Info: WebBrowser-55281600~1 Code Type: X86 (Native) Parent Process: launchd [433] Date/Time: 2009-02-24 09:29:48.038 -0800 OS Version: Mac OS X 10.5.6 (9G55) Report Version: 6 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x000000001964fff4 Crashed Thread: 0 Thread 0 Crashed: 0 com.apple.JavaScriptCore 0x95fb1604 JSC::BytecodeGenerator::emitComplexJumpScopes(JSC::Label*, JSC::ControlFlowContext*, JSC::ControlFlowContext*) + 468 1 com.apple.JavaScriptCore 0x95f8ba6d JSC::BytecodeGenerator::emitJumpScopes(JSC::Label*, int) + 301 2 com.apple.JavaScriptCore 0x95f63d43 JSC::ReturnNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 259 3 com.apple.JavaScriptCore 0x95ef2978 JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::Node*) + 184 4 com.apple.JavaScriptCore 0x95f60228 JSC::BlockNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 56 5 com.apple.JavaScriptCore 0x95ef2978 JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::Node*) + 184 6 com.apple.JavaScriptCore 0x95f60174 JSC::IfNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 132 7 com.apple.JavaScriptCore 0x95ef2978 JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::Node*) + 184 8 com.apple.JavaScriptCore 0x95f60228 JSC::BlockNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 56 9 com.apple.JavaScriptCore 0x95ef2978 JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::Node*) + 184 10 com.apple.JavaScriptCore 0x95fa6363 JSC::TryNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 419 11 com.apple.JavaScriptCore 0x95ef2978 JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::Node*) + 184 12 com.apple.JavaScriptCore 0x95f60228 JSC::BlockNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 56 13 com.apple.JavaScriptCore 0x95ef2978 JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::Node*) + 184 14 com.apple.JavaScriptCore 0x95f62c84 JSC::FunctionBodyNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*) + 100 15 com.apple.JavaScriptCore 0x95ef1a5f JSC::BytecodeGenerator::generate() + 31 16 com.apple.JavaScriptCore 0x95f91b57 JSC::FunctionBodyNode::bytecodeForExceptionInfoReparse(JSC::ScopeChainNode*, JSC::CodeBlock*) + 263 17 com.apple.JavaScriptCore 0x95f91138 JSC::CodeBlock::reparseForExceptionInfoIfNecessary(JSC::ExecState*) + 248 18 com.apple.JavaScriptCore 0x95f9ce0e JSC::Interpreter::unwindCallFrame(JSC::ExecState*&, JSC::JSValuePtr, unsigned int&, JSC::CodeBlock*&) + 478 19 com.apple.JavaScriptCore 0x95f9bf41 JSC::Interpreter::throwException(JSC::ExecState*&, JSC::JSValuePtr&, unsigned int, bool) + 401 20 com.apple.JavaScriptCore 0x95f9d15f JSC::Interpreter::cti_vm_throw(void*, ...) + 239 21 com.apple.JavaScriptCore 0x95fe3523 ctiVMThrowTrampoline + 5 22 com.apple.JavaScriptCore 0x95eef02c JSC::Interpreter::execute(JSC::ProgramNode*, JSC::ExecState*, JSC::ScopeChainNode*, JSC::JSObject*, JSC::JSValuePtr*) + 556 23 com.apple.JavaScriptCore 0x95ed9a8a JSC::evaluate(JSC::ExecState*, JSC::ScopeChain&, JSC::SourceCode const&, JSC::JSValuePtr) + 378 24 com.apple.WebCore 0x94366c64 WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) + 228 25 com.apple.WebCore 0x94366b11 WebCore::FrameLoader::executeScript(WebCore::ScriptSourceCode const&) + 129 26 com.apple.WebCore 0x943ed4ac WebCore::HTMLTokenizer::scriptExecution(WebCore::ScriptSourceCode const&, WebCore::HTMLTokenizer::State) + 204 27 com.apple.WebCore 0x943ec1f8 WebCore::HTMLTokenizer::scriptHandler(WebCore::HTMLTokenizer::State) + 4248 28 com.apple.WebCore 0x943e9631 WebCore::HTMLTokenizer::parseSpecial(WebCore::SegmentedString&, WebCore::HTMLTokenizer::State) + 2289 29 com.apple.WebCore 0x94380105 WebCore::HTMLTokenizer::parseTag(WebCore::SegmentedString&, WebCore::HTMLTokenizer::State) + 9413 30 com.apple.WebCore 0x9437d7bd WebCore::HTMLTokenizer::write(WebCore::SegmentedString const&, bool) + 2765 31 com.apple.WebCore 0x9432d1e6 WebCore::FrameLoader::write(char const*, int, bool) + 438 32 com.apple.WebCore 0x9437b5e7 WebCore::FrameLoader::addData(char const*, int) + 39 33 com.apple.WebKit 0x94c04d9d -[WebFrame(WebInternal) _receivedData:textEncodingName:] + 141 34 com.apple.WebKit 0x94c04cbd -[WebHTMLRepresentation receivedData:withDataSource:] + 509 35 com.apple.WebKit 0x94c04a5b -[WebDataSource(WebInternal) _receivedData:] + 91 36 com.apple.WebKit 0x94c049d9 WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int) + 137 37 com.apple.WebCore 0x94377c86 WebCore::DocumentLoader::commitLoad(char const*, int) + 70 38 com.apple.WebCore 0x94377815 WebCore::ResourceLoader::didReceiveData(char const*, int, long long, bool) + 69 39 com.apple.WebCore 0x94377767 WebCore::MainResourceLoader::didReceiveData(char const*, int, long long, bool) + 71 40 com.apple.WebCore 0x943b8e98 WebCore::ResourceLoader::didReceiveData(WebCore::ResourceHandle*, char const*, int, int) + 56 41 com.apple.Foundation 0x92ae0707 -[NSURLConnection(NSURLConnectionReallyInternal) sendDidReceiveData:originalLength:] + 119 42 com.apple.Foundation 0x92ae0651 _NSURLConnectionDidReceiveData + 177 43 com.apple.CFNetwork 0x9008192a URLConnectionClient::sendOrBufferData(__CFData const*) + 172 44 com.apple.CFNetwork 0x900821b2 URLConnectionClient::clientDidFinishLoading() + 108 45 com.apple.CFNetwork 0x90080d31 URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<XClientEvent, XClientEventParams>*, long) + 281 46 com.apple.CFNetwork 0x90081d70 URLConnectionClient::processEvents() + 114 47 com.apple.CFNetwork 0x90031b6b MultiplexerSource::perform() + 189 48 com.apple.CoreFoundation 0x91a6f5f5 CFRunLoopRunSpecific + 3141 49 com.apple.CoreFoundation 0x91a6fcd8 CFRunLoopRunInMode + 88 50 com.apple.HIToolbox 0x924ba2c0 RunCurrentEventLoopInMode + 283 51 com.apple.HIToolbox 0x924ba0d9 ReceiveNextEventCommon + 374 52 com.apple.HIToolbox 0x924b9f4d BlockUntilNextEventMatchingListInMode + 106 53 com.apple.AppKit 0x933e0d7d _DPSNextEvent + 657 54 com.apple.AppKit 0x933e0630 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128 55 com.apple.Safari 0x0002ceee 0x1000 + 179950 56 com.apple.AppKit 0x933d966b -[NSApplication run] + 795 57 com.apple.AppKit 0x933a68a4 NSApplicationMain + 574 58 com.apple.Safari 0x00003306 0x1000 + 8966 Thread 1: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.WebCore 0x942f63c4 WebCore::IconDatabase::syncThreadMainLoop() + 244 3 com.apple.WebCore 0x942f28e5 WebCore::IconDatabase::iconDatabaseSyncThread() + 181 4 libSystem.B.dylib 0x920c1095 _pthread_start + 321 5 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 2: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.apple.CoreFoundation 0x91a6f0ae CFRunLoopRunSpecific + 1790 3 com.apple.CoreFoundation 0x91a6fcd8 CFRunLoopRunInMode + 88 4 com.apple.CFNetwork 0x90005ebe CFURLCacheWorkerThread(void*) + 396 5 libSystem.B.dylib 0x920c1095 _pthread_start + 321 6 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 3: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.google.Gears 0x01a93bbd google_breakpad::ExceptionHandler::WaitForMessage(void*) + 125 3 libSystem.B.dylib 0x920c1095 _pthread_start + 321 4 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 4: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.WebCore 0x943555e0 WebCore::LocalStorageThread::localStorageThread() + 160 3 libSystem.B.dylib 0x920c1095 _pthread_start + 321 4 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 5: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.apple.CoreFoundation 0x91a6f0ae CFRunLoopRunSpecific + 1790 3 com.apple.CoreFoundation 0x91a6fcd8 CFRunLoopRunInMode + 88 4 com.apple.Safari 0x00188f9d 0x1000 + 1605533 5 com.apple.Safari 0x001866f3 0x1000 + 1595123 6 com.apple.Safari 0x001867a1 0x1000 + 1595297 7 libSystem.B.dylib 0x920c1095 _pthread_start + 321 8 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 6: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.apple.CoreFoundation 0x91a6f0ae CFRunLoopRunSpecific + 1790 3 com.apple.CoreFoundation 0x91a6fcd8 CFRunLoopRunInMode + 88 4 com.apple.Foundation 0x92aded40 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:] + 320 5 com.apple.Foundation 0x92a7b7ed -[NSThread main] + 45 6 com.apple.Foundation 0x92a7b394 __NSThread__main__ + 308 7 libSystem.B.dylib 0x920c1095 _pthread_start + 321 8 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 7: 0 libSystem.B.dylib 0x920df6f2 select$DARWIN_EXTSN + 10 1 libSystem.B.dylib 0x920c1095 _pthread_start + 321 2 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 8: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.apple.CoreFoundation 0x91a6f0ae CFRunLoopRunSpecific + 1790 3 com.apple.CoreFoundation 0x91a6fd34 CFRunLoopRun + 84 4 com.apple.QuickTime 0x9726a212 QTSNetworkThread_RunThread + 131 5 libSystem.B.dylib 0x920c1095 _pthread_start + 321 6 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 9: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.apple.CoreFoundation 0x91a6f0ae CFRunLoopRunSpecific + 1790 3 com.apple.CoreFoundation 0x91a6fcd8 CFRunLoopRunInMode + 88 4 com.apple.audio.CoreAudio 0x932495dc HALRunLoop::OwnThread(void*) + 160 5 com.apple.audio.CoreAudio 0x93249464 CAPThread::Entry(CAPThread*) + 96 6 libSystem.B.dylib 0x920c1095 _pthread_start + 321 7 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 10: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 libGLProgrammability.dylib 0x900c8b32 glvmDoWork + 162 3 libSystem.B.dylib 0x920c1095 _pthread_start + 321 4 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 11: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.Safari 0x000f1cdb 0x1000 + 986331 3 com.apple.Safari 0x000f2321 0x1000 + 987937 4 libSystem.B.dylib 0x920c1095 _pthread_start + 321 5 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 12: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.ColorSync 0x95b4545c pthreadSemaphoreWait(t_pthreadSemaphore*) + 42 3 com.apple.ColorSync 0x95b57d8e CMMConvTask(void*) + 54 4 libSystem.B.dylib 0x920c1095 _pthread_start + 321 5 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 13: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.ColorSync 0x95b4545c pthreadSemaphoreWait(t_pthreadSemaphore*) + 42 3 com.apple.ColorSync 0x95b57d8e CMMConvTask(void*) + 54 4 libSystem.B.dylib 0x920c1095 _pthread_start + 321 5 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 14: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.ColorSync 0x95b4545c pthreadSemaphoreWait(t_pthreadSemaphore*) + 42 3 com.apple.ColorSync 0x95b57d8e CMMConvTask(void*) + 54 4 libSystem.B.dylib 0x920c1095 _pthread_start + 321 5 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 15: 0 libSystem.B.dylib 0x920f9292 __workq_ops + 10 1 libSystem.B.dylib 0x920f92c2 start_wqthread + 30 Thread 16: 0 ??? 0000000000 0 + 0 Thread 17: 0 ??? 0000000000 0 + 0 Thread 18: 0 ??? 0000000000 0 + 0 Thread 19: 0 libSystem.B.dylib 0x92090226 semaphore_timedwait_signal_trap + 10 1 libSystem.B.dylib 0x920c21ef _pthread_cond_wait + 1244 2 libSystem.B.dylib 0x920c3a73 pthread_cond_timedwait_relative_np + 47 3 com.apple.Foundation 0x92ac175c -[NSCondition waitUntilDate:] + 236 4 com.apple.Foundation 0x92ac1570 -[NSConditionLock lockWhenCondition:beforeDate:] + 144 5 com.apple.Foundation 0x92ac14d5 -[NSConditionLock lockWhenCondition:] + 69 6 com.apple.AppKit 0x93446d90 -[NSUIHeartBeat _heartBeatThread:] + 753 7 com.apple.Foundation 0x92a7b7ed -[NSThread main] + 45 8 com.apple.Foundation 0x92a7b394 __NSThread__main__ + 308 9 libSystem.B.dylib 0x920c1095 _pthread_start + 321 10 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 20: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.QuartzCore 0x96555ab9 fe_fragment_thread + 54 3 libSystem.B.dylib 0x920c1095 _pthread_start + 321 4 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 21: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.QuartzCore 0x96555ab9 fe_fragment_thread + 54 3 libSystem.B.dylib 0x920c1095 _pthread_start + 321 4 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 22: 0 libSystem.B.dylib 0x920973ae __semwait_signal + 10 1 libSystem.B.dylib 0x920c1d0d pthread_cond_wait$UNIX2003 + 73 2 com.apple.QuartzCore 0x96555ab9 fe_fragment_thread + 54 3 libSystem.B.dylib 0x920c1095 _pthread_start + 321 4 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 23: 0 libSystem.B.dylib 0x920901c6 mach_msg_trap + 10 1 libSystem.B.dylib 0x920979bc mach_msg + 72 2 com.apple.CoreFoundation 0x91a6f0ae CFRunLoopRunSpecific + 1790 3 com.apple.CoreFoundation 0x91a6fcd8 CFRunLoopRunInMode + 88 4 com.google.Gears 0x01a8da3e AsyncTask::MakeHttpRequest(unsigned short const*, unsigned short const*, bool, unsigned short const*, unsigned short const*, unsigned short const*, unsigned short const*, bool, BlobInterface*, WebCacheDB::PayloadInfo*, scoped_refptr<BlobInterface>*, bool*, std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >*, std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >*) + 654 5 com.google.Gears 0x01a8e023 AsyncTask::HttpGet(unsigned short const*, bool, unsigned short const*, unsigned short const*, unsigned short const*, WebCacheDB::PayloadInfo*, scoped_refptr<BlobInterface>*, bool*, std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >*, std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >*) + 131 6 com.google.Gears 0x01a62d62 UpdateTask::HttpGetUrl(unsigned short const*, bool, unsigned short const*, unsigned short const*, WebCacheDB::PayloadInfo*, bool*, std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >*) + 162 7 com.google.Gears 0x01a6367d UpdateTask::UpdateManifest(std::basic_string<unsigned short, std::char_traits<unsigned short>, std::allocator<unsigned short> >*, bool) + 413 8 com.google.Gears 0x01a64c02 UpdateTask::Run() + 226 9 com.google.Gears 0x01a6636e UpdateTaskSingleProcess::Run() + 30 10 com.google.Gears 0x01a8d29c AsyncTask::ThreadEntry(void*) + 76 11 libSystem.B.dylib 0x920c1095 _pthread_start + 321 12 libSystem.B.dylib 0x920c0f52 thread_start + 34 Thread 0 crashed with X86 Thread State (32-bit): eax: 0xbfffa29c ebx: 0x95f63c58 ecx: 0xbfffa2b4 edx: 0x00000000 edi: 0xbfff3a94 esi: 0x1964fff4 ebp: 0x00000000 esp: 0xbfff3a10 ss: 0x0000001f efl: 0x00210212 eip: 0x95fb1604 cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037 cr2: 0x1964fff4 Binary Images: 0x1000 - 0x266fe2 com.apple.Safari 4 Public Beta (5528.16) <88923208ea437fc8b5a5e5cd4f1924d5> /Applications/Safari.app/Contents/MacOS/Safari 0x2c1000 - 0x2d0ffc SyndicationUI ??? (???) <408d1e186315965e65a4562de17589be> /System/Library/PrivateFrameworks/SyndicationUI.framework/Versions/A/SyndicationUI 0x52f000 - 0x530ffa +com.google.GearsEnabler ??? (1.0) <f4619f1c37ae37dfdf6af70894fa2776> /Library/InputManagers/GearsEnabler/GearsEnabler.bundle/Contents/MacOS/GearsEnabler 0x53c000 - 0x732fff com.apple.RawCamera.bundle 2.0.12 (421) <02fe3f4ea6251f7b2d23d855ce5c5fd2> /System/Library/CoreServices/RawCamera.bundle/Contents/MacOS/RawCamera 0x7ce000 - 0x7ceff8 +com.google.Gears 1.0 (0.5.4.2) <54b02d58fedb5ac332ef71544d50f79c> /Library/Internet Plug-Ins/Gears.plugin/Contents/MacOS/libgears.dylib 0x19c5000 - 0x19f0ffb libcurl.3.dylib ??? (???) <54ada27deb3b4ff7043d8836264eca0d> /usr/lib/libcurl.3.dylib 0x19fa000 - 0x1c04fe7 +com.google.Gears 1.0 (0.5.4.2) <a534110d875f1939bf233d22c57d3d6d> /Library/Internet Plug-Ins/Gears.plugin/Contents/Resources/Gears.bundle/Contents/MacOS/libgears.dylib 0x20a7000 - 0x20a7ffe com.apple.JavaPluginCocoa 12.2.0 (12.2.0) <b08d1285182ffcbaedd747d17fdaeefd> /Library/Internet Plug-Ins/JavaPluginCocoa.bundle/Contents/MacOS/JavaPluginCocoa 0x20ad000 - 0x20b3ffd com.apple.JavaVM 12.2.2 (12.2.2) <9ad39149cc7ecc91da3e93df7f61d315> /System/Library/Frameworks/JavaVM.framework/Versions/A/JavaVM 0x21c4000 - 0x21d2feb libSimplifiedChineseConverter.dylib ??? (???) <548d5a699dbe2bb8fcc8275321fdc0d4> /System/Library/CoreServices/Encodings/libSimplifiedChineseConverter.dylib 0x21ed000 - 0x21eeff3 ATSHI.dylib ??? (???) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/ATSHI.dylib 0x15b49000 - 0x15b4cfff com.apple.audio.AudioIPCPlugIn 1.0.5 (1.0.5) <e7424df9b53076d04045fb2e0132b2d0> /System/Library/Extensions/AudioIPCDriver.kext/Contents/Resources/AudioIPCPlugIn.bundle/Contents/MacOS/AudioIPCPlugIn 0x15b52000 - 0x15b57fff com.apple.audio.AppleHDAHALPlugIn 1.6.2 (1.6.2a37) /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAHALPlugIn.bundle/Contents/MacOS/AppleHDAHALPlugIn 0x163d5000 - 0x163daff3 libCGXCoreImage.A.dylib ??? (???) <375e0cdb64b043378dbf637992bbfeb0> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGXCoreImage.A.dylib 0x173b7000 - 0x17593ff6 +com.elgato.mpegsupport EyeTV MPEG Support 1.1.0 (build 48) (1.0.9) /Library/QuickTime/EyeTV MPEG Support.component/Contents/MacOS/EyeTV MPEG Support 0x1769e000 - 0x178e1fde +net.telestream.wmv.import 2.2.1.11 (2.2.1.11) /Library/QuickTime/Flip4Mac WMV Import.component/Contents/MacOS/Flip4Mac WMV Import 0x17919000 - 0x17a7afe1 com.apple.QuickTimeStreaming.component 7.6 (1290) <a3b458f28441d70aa3e99c837f26e490> /System/Library/QuickTime/QuickTimeStreaming.component/Contents/MacOS/QuickTimeStreaming 0x17add000 - 0x17afcfed com.apple.audio.CoreAudioKit 1.5 (1.5) <82f2e52c502db7f3b32349a54209a0fe> /System/Library/Frameworks/CoreAudioKit.framework/Versions/A/CoreAudioKit 0x17d13000 - 0x17ee0fe7 com.apple.audio.codecs.Components 1.6.5 (1.6.5) /System/Library/Components/AudioCodecs.component/Contents/MacOS/AudioCodecs 0x180dd000 - 0x180f9ff7 GLRendererFloat ??? (???) <dcdc2e0de7fb9a52d99e529c3688f26d> /System/Library/Frameworks/OpenGL.framework/Versions/A/Resources/GLRendererFloat.bundle/GLRendererFloat 0x18200000 - 0x18383fe3 GLEngine ??? (???) <bfbd7ce69ea896a6b38d6232b01cdeda> /System/Library/Frameworks/OpenGL.framework/Resources/GLEngine.bundle/GLEngine 0x183b1000 - 0x18538ffb com.apple.GeForceFXGLDriver 1.5.36 (5.3.6) <e19f45b2fa183c8acfa063a18ce3538d> /System/Library/Extensions/GeForceFXGLDriver.bundle/Contents/MacOS/GeForceFXGLDriver 0x198db000 - 0x198edfff libTraditionalChineseConverter.dylib ??? (???) <89ec94121ef50601dc538548caae57fc> /System/Library/CoreServices/Encodings/libTraditionalChineseConverter.dylib 0x1a1c6000 - 0x1a1e2fe7 libPDFRIP.A.dylib ??? (???) <bf4ccb6e46bd2d18896a752e0e2f94b8> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libPDFRIP.A.dylib 0x1a89a000 - 0x1aab7ff8 +org.perian.Perian 1.1.1 (1.1.1) <c8596dfb96dc68c93c5e33a205276e99> /Users/pchinn/Library/QuickTime/Perian.component/Contents/MacOS/Perian 0x1accb000 - 0x1b2f1fd3 +com.macromedia.Flash Player.plugin 10.0.12.36 (1.0.4f362) <38aeb67f6a0b43c6a341d7936603e84a> /Library/Internet Plug-Ins/Flash Player.plugin/Contents/MacOS/Flash Player 0x1b8bb000 - 0x1b8defe7 com.apple.AppleProResDecoder 1.0.1 (53) /System/Library/QuickTime/AppleProResDecoder.component/Contents/MacOS/AppleProResDecoder 0x1b910000 - 0x1b910ffd libmx.A.dylib ??? 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(???) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib 0x91e65000 - 0x91f0cfeb com.apple.QD 3.11.54 (???) <b743398c24c38e581a86e91744a2ba6e> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD 0x91f0d000 - 0x91f0dffb com.apple.installserver.framework 1.0 (8) /System/Library/PrivateFrameworks/InstallServer.framework/Versions/A/InstallServer 0x91f0e000 - 0x9208efef com.apple.CoreAUC 3.02.0 (3.02.0) <e9c0220542fac5c62ef3b79aa791252f> /System/Library/PrivateFrameworks/CoreAUC.framework/Versions/A/CoreAUC 0x9208f000 - 0x921f6ff3 libSystem.B.dylib ??? 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(???) <0a9778d6368ae668826f446878deb99b> /usr/lib/libxslt.1.dylib 0x95935000 - 0x959afff8 com.apple.print.framework.PrintCore 5.5.3 (245.3) <222dade7b33b99708b8c09d1303f93fc> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore 0x95b12000 - 0x95bddfff com.apple.ColorSync 4.5.1 (4.5.1) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync 0x95bde000 - 0x95bdeff8 com.apple.Cocoa 6.5 (???) <e064f94d969ce25cb7de3cfb980c3249> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa 0x95bdf000 - 0x95bebfff libbz2.1.0.dylib ??? (???) <9ea4fe135c9e52bd0590eec12c738e82> /usr/lib/libbz2.1.0.dylib 0x95bec000 - 0x95bf1fff com.apple.backup.framework 1.0 (1.0) /System/Library/PrivateFrameworks/Backup.framework/Versions/A/Backup 0x95bf2000 - 0x95ca2fff edu.mit.Kerberos 6.0.12 (6.0.12) <685cc018c133668d0d3ac6a1cb63cff9> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos 0x95ca3000 - 0x95cccfff com.apple.CoreMediaPrivate 15.0 (15.0) /System/Library/PrivateFrameworks/CoreMediaPrivate.framework/Versions/A/CoreMediaPrivate 0x95ccd000 - 0x95e13ff7 com.apple.ImageIO.framework 2.0.4 (2.0.4) <6a6623d3d1a7292b5c3763dcd108b55f> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO 0x95e14000 - 0x95ea0ff7 com.apple.LaunchServices 290.3 (290.3) <6f9629f4ed1ba3bb313548e6838b2888> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices 0x95ea1000 - 0x95eb0fff libsasl2.2.dylib ??? (???) <bb7971ca2f609c070f87786a93d1041e> /usr/lib/libsasl2.2.dylib 0x95eb1000 - 0x95eb1ffd com.apple.Accelerate 1.4.2 (Accelerate 1.4.2) /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate 0x95eb2000 - 0x96017fe7 com.apple.JavaScriptCore 5528 (5528.15) <a1edf2b00622f9d833987cb333b432ac> /System/Library/Frameworks/JavaScriptCore.framework/Versions/A/JavaScriptCore 0x96018000 - 0x96150ff7 libicucore.A.dylib ??? (???) <18098dcf431603fe47ee027a60006c85> /usr/lib/libicucore.A.dylib 0x96181000 - 0x96185fff com.apple.CoreMediaAuthoringPrivate 1.6 (1.6) /System/Library/PrivateFrameworks/CoreMediaAuthoringPrivate.framework/Versions/A/CoreMediaAuthoringPrivate 0x96186000 - 0x96460ff3 com.apple.CoreServices.CarbonCore 786.11 (786.11) <f06fe5d92d56ac5aa52d1ba182745924> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore 0x96461000 - 0x967fefef com.apple.QuartzCore 1.5.7 (1.5.7) <2fed2dd7565c84a0f0c608d41d4d172c> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore 0x967ff000 - 0x967ffffc com.apple.audio.units.AudioUnit 1.5 (1.5) /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit 0x96800000 - 0x9681fffa libJPEG.dylib ??? (???) <e7eb56555109e23144924cd64aa8daec> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib 0x9682a000 - 0x96830fff com.apple.print.framework.Print 218.0.2 (220.1) <8bf7ef71216376d12fcd5ec17e43742c> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print 0x96831000 - 0x9688bff7 com.apple.CoreText 2.0.4 (???) <f9a90116ae34a2b0d84e87734766fb3a> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText 0x9688c000 - 0x9698ffe7 com.apple.PubSub 1.0.4 (65.6) /System/Library/Frameworks/PubSub.framework/Versions/A/PubSub 0x96990000 - 0x969a0fff com.apple.speech.synthesis.framework 3.7.1 (3.7.1) <06d8fc0307314f8ffc16f206ad3dbf44> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis 0x969b5000 - 0x969f6fe7 libRIP.A.dylib ??? (???) <5d0b5af7992e14de017f9a9c7cb05960> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib 0x969f7000 - 0x96bb3ff3 com.apple.QuartzComposer 2.1 (106.13) <40f034e8c8fd31c9081f5283dcf22b78> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuartzComposer.framework/Versions/A/QuartzComposer 0x96bb4000 - 0x96beafef libtidy.A.dylib ??? (???) <5351215b54226cc47eb1cd4b011cc2f3> /usr/lib/libtidy.A.dylib 0x96beb000 - 0x96c7efff com.apple.ink.framework 101.3 (86) <bf3fa8927b4b8baae92381a976fd2079> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink 0x96c7f000 - 0x96c83fff libmathCommon.A.dylib ??? (???) /usr/lib/system/libmathCommon.A.dylib 0x96c84000 - 0x96ce0ff7 com.apple.htmlrendering 68 (1.1.3) <fe87a9dede38db00e6c8949942c6bd4f> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HTMLRendering.framework/Versions/A/HTMLRendering 0x96ce1000 - 0x96ce1ffe com.apple.MonitorPanelFramework 1.2.0 (1.2.0) <a2b462be6c51187eddf7d097ef0e0a04> /System/Library/PrivateFrameworks/MonitorPanel.framework/Versions/A/MonitorPanel 0x96ce2000 - 0x96d20ff7 libGLImage.dylib ??? (???) <1123b8a48bcbe9cc7aa8dd8e1a214a66> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib 0x96d21000 - 0x96d28ff7 libCGATS.A.dylib ??? (???) <386dce4b28448fb86e33e06ac466f4d8> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGATS.A.dylib 0x96d29000 - 0x96e09fff libobjc.A.dylib ??? (???) <7b92613fdf804fd9a0a3733a0674c30b> /usr/lib/libobjc.A.dylib 0x96e0a000 - 0x96e3bffb com.apple.quartzfilters 1.5.0 (1.5.0) <22581f8fe9dd2cb261f97a897407ec3e> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuartzFilters.framework/Versions/A/QuartzFilters 0x96e3c000 - 0x96e44fff com.apple.DiskArbitration 2.2.1 (2.2.1) <75b0c8d8940a8a27816961dddcac8e0f> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration 0x96e78000 - 0x96f32fe3 com.apple.CoreServices.OSServices 226.5 (226.5) <2a135d4fb16f4954290f7b72b4111aa3> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices 0x96f33000 - 0x9706bfe7 com.apple.imageKit 1.0.2 (1.0) <2e354566521df8b1e3a78e9aeab5e6b4> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/ImageKit.framework/Versions/A/ImageKit 0x9706c000 - 0x9723aff3 com.apple.security 5.0.4 (34102) <55dda7486df4e8e1d61505be16f83a1c> /System/Library/Frameworks/Security.framework/Versions/A/Security 0x9723b000 - 0x97256ffb libPng.dylib ??? (???) <4780e979d35aa5ec2cea22678836cea5> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib 0x97257000 - 0x9757cfe2 com.apple.QuickTime 7.6.0 (1290) <bc0920abbbaad03f5513ac7ffbd30633> /System/Library/Frameworks/QuickTime.framework/Versions/A/QuickTime 0xba900000 - 0xba916fff libJapaneseConverter.dylib ??? (???) <7b0248c392848338f5d6ed093313eeef> /System/Library/CoreServices/Encodings/libJapaneseConverter.dylib 0xbab00000 - 0xbab21fe2 libKoreanConverter.dylib ??? (???) <51586b8d9ef39123fbe6918f12d8285f> /System/Library/CoreServices/Encodings/libKoreanConverter.dylib 0xfffe8000 - 0xfffebfff libobjc.A.dylib ??? (???) /usr/lib/libobjc.A.dylib 0xffff0000 - 0xffff1780 libSystem.B.dylib ??? (???) /usr/lib/libSystem.B.dylib
Attachments
patch w/test (1.68 KB, patch)
2009-05-08 22:02 PDT, Geoffrey Garen 		ggaren: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Geoffrey Garen
Comment 1 2009-05-08 19:23:49 PDT
4/24/09 3:12 PM Geoff Garen: Symbolicated: 0 com.apple.JavaScriptCore 0x95fb1604 JSC::BytecodeGenerator::emitComplexJumpScopes(JSC::Label*, JSC::ControlFlowContext*, JSC::ControlFlowContext*) + 468 (/SourceCache/JavaScriptCore/JavaScriptCore-5528.15/bytecompiler/BytecodeGenerator.cpp:1576) 1 com.apple.JavaScriptCore 0x95f8ba6d JSC::BytecodeGenerator::emitJumpScopes(JSC::Label*, int) + 301 (/SourceCache/JavaScriptCore/JavaScriptCore-5528.15/bytecompiler/BytecodeGenerator.cpp:1594) 5/1/09 12:13 AM Geoff Garen: BytecodeGenerator.cpp: do { ASSERT(topScope->isFinallyBlock); emitJumpSubroutine(topScope->finallyContext.retAddrDst, topScope->finallyContext.finallyAddr); --topScope; if (!topScope->isFinallyBlock) // <-- CRASH (BytecodeGenerator.cpp:1576) break; } while (topScope > bottomScope); 5/1/09 12:16 AM Geoff Garen: Looks like this code is unmodified since its initial merge in http://trac.webkit.org/changeset/33979. 5/8/09 7:20 PM Geoff Garen: Another idea: the set of tokens that can cause an emitComplexJumpScopes is pretty limited. Try writing a fuzzer to create different combinations and nesting levels regarding those tokens, and see if you can get it to crash.
Geoffrey Garen
Comment 2 2009-05-08 19:24:47 PDT
<rdar://problem/6634956>
Cameron Zwarich (cpst)
Comment 3 2009-05-08 21:50:06 PDT
The dying read is to 0x000000001964fff4 The ControlFlowContext struct consists of 3 words, one bool and two pointers from FinallyContext. There is no special alignment beyond this, so the ControlFlowContexts in m_scopeContextStack are spaced 3 words apart. It is attempting to read from the first word of a ControlFlowContext, so the previous ControlFlowContext is at 0x0000000019650000 This is a page boundary! We have crossed over a page boundary decrementing topScope. Normally this isn't a problem, as long as we can read from topScope->isFinallyBlock, since we bail out of the loop at the break statement or at the guard below it. However, if we can't read it, we die before the comparison in the loop guard. The fix is to turn the do/while loop into a plain while loop with the guard (topScope > bottomScope && topScope->isFinallyBlock). I reviewed this change from Geoff. He should land it shortly.
Geoffrey Garen
Comment 4 2009-05-08 22:02:04 PDT
Created attachment 30151 [details] patch w/test
Geoffrey Garen
Comment 5 2009-05-08 22:26:37 PDT
Committed revision 43428.
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