WebThread JavaScriptCore崩溃 – 这个崩溃报告意味着什么
我需要帮助来理解testing用户的这个崩溃日志。 我没有在我的应用程序中编写任何与JavaScriptCore相关的代码。
我仍然不知道如何重现这次崩溃。 任何有关这个问题的见解都会对我find这个问题有所帮助。
谢谢，
PS我的应用程序正在使用Admob中介。 我不知道这是否有一些关系。
Incident Identifier: 7B6EFFFF-4D55-48AE-8FE8-A55590405F0A CrashReporter Key: ef1ad783966254a93308221f30f17134c95879f7 Hardware Model: iPad5,3 Process: ???? [2325] Path: /private/var/mobile/Containers/Bundle/Application/16AE72E1-A8C8-45D9-955F-A6F96FCCE800/????.app/???? Identifier: ???? Version: 3.75.14 (3.75) Code Type: ARM-64 (Native) Parent Process: launchd [1] Date/Time: 2015-05-16 10:36:50.459 -0700 Launch Time: 2015-05-16 10:00:10.481 -0700 OS Version: iOS 8.3 (12F69) Report Version: 105 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x00000000bbadbeef Triggered by Thread: 4 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0: 0 libsystem_kernel.dylib 0x0000000197080e0c mach_msg_trap + 8 1 libsystem_kernel.dylib 0x0000000197080c84 mach_msg + 68 2 CoreFoundation 0x00000001852fb720 __CFRunLoopServiceMachPort + 196 3 CoreFoundation 0x00000001852f9674 __CFRunLoopRun + 936 4 CoreFoundation 0x00000001852252d0 CFRunLoopRunSpecific + 392 5 GraphicsServices 0x000000018e9036f8 GSEventRunModal + 164 6 UIKit 0x0000000189deafa8 UIApplicationMain + 1484 7 ClockXtrm 0x000000010004f668 main (main.m:17) 8 libdyld.dylib 0x0000000196f82a04 start + 0 Thread 1 name: Dispatch queue: com.apple.libdispatch-manager Thread 1: 0 libsystem_kernel.dylib 0x0000000197080c24 kevent64 + 8 1 libdispatch.dylib 0x0000000196f65e6c _dispatch_mgr_invoke + 272 2 libdispatch.dylib 0x0000000196f57998 _dispatch_mgr_thread + 48 Thread 2 name: com.apple.coremedia.player.async Thread 2: 0 libsystem_kernel.dylib 0x0000000197080e48 semaphore_wait_trap + 8 1 libdispatch.dylib 0x0000000196f63f3c _dispatch_semaphore_wait_slow + 252 2 MediaToolbox 0x000000018780cb48 fpa_AsyncMovieControlThread + 1952 3 CoreMedia 0x0000000185b5f9ac figThreadMain + 244 4 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 5 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 6 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 3 name: com.apple.NSURLConnectionLoader Thread 3: 0 libsystem_kernel.dylib 0x0000000197080e0c mach_msg_trap + 8 1 libsystem_kernel.dylib 0x0000000197080c84 mach_msg + 68 2 CoreFoundation 0x00000001852fb720 __CFRunLoopServiceMachPort + 196 3 CoreFoundation 0x00000001852f9674 __CFRunLoopRun + 936 4 CoreFoundation 0x00000001852252d0 CFRunLoopRunSpecific + 392 5 CFNetwork 0x0000000184d06890 +[NSURLConnection(Loader) _resourceLoadLoop:] + 436 6 Foundation 0x0000000186245db4 __NSThread__main__ + 1068 7 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 8 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 9 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 4 name: WebThread Thread 4 Crashed: 0 JavaScriptCore 0x0000000186c3d58c WTFCrash + 72 1 JavaScriptCore 0x0000000186c3d580 WTFCrash + 60 2 JavaScriptCore 0x0000000186b3df1c JSC::JSLock::DropAllLocks::DropAllLocks(JSC::VM*) + 268 3 WebCore 0x000000019391fd54 SendDelegateMessage(NSInvocation*) + 128 4 CoreFoundation 0x0000000185347f68 ___forwarding___ + 436 5 CoreFoundation 0x000000018524acc8 _CF_forwarding_prep_0 + 88 6 WebCore 0x000000019395fda0 WebCore::DOMWindow::removeAllEventListeners() + 176 7 WebCore 0x0000000193943694 WebCore::Document::removeAllEventListeners() + 28 8 WebCore 0x00000001939424b8 WebCore::Document::~Document() + 216 9 WebCore 0x0000000193d9a12c WebCore::HTMLDocument::~HTMLDocument() + 8 10 WebCore 0x0000000193942114 WebCore::Node::~Node() + 152 11 WebCore 0x0000000193941f0c WebCore::HTMLHtmlElement::~HTMLHtmlElement() + 8 12 WebCore 0x00000001939b7874 WebCore::JSNodeOwner::finalize(JSC::Handle<JSC::Unknown>, void*) + 420 13 JavaScriptCore 0x0000000186895498 JSC::WeakBlock::sweep() + 108 14 JavaScriptCore 0x000000018681c978 JSC::WeakSet::sweep() + 28 15 JavaScriptCore 0x000000018681c8fc JSC::MarkedBlock::sweep(JSC::MarkedBlock::SweepMode) + 24 16 JavaScriptCore 0x000000018681b58c JSC::MarkedAllocator::allocateSlowCase(unsigned long) + 296 17 WebCore 0x0000000194010c1c WebCore::JSDOMWrapper* WebCore::createWrapper<WebCore::JSHTMLCanvasElement, WebCore::HTMLCanvasElement>(WebCore::JSDOMGlobalObject*, WebCore::HTMLCanvasElement*) + 588 18 WebCore 0x0000000194007a3c WebCore::createJSHTMLWrapper(WebCore::JSDOMGlobalObject*, WTF::PassRefPtr<WebCore::HTMLElement>) + 312 19 WebCore 0x0000000193887348 WebCore::toJSNewlyCreated(JSC::ExecState*, WebCore::JSDOMGlobalObject*, WebCore::Element*) + 56 20 WebCore 0x00000001938871a4 WebCore::jsDocumentPrototypeFunctionCreateElement(JSC::ExecState*) + 376 21 JavaScriptCore 0x0000000186b96fac llint_entry + 26156 22 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 23 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 24 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 25 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 26 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 27 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 28 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 29 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 30 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 31 JavaScriptCore 0x0000000186b969d8 llint_entry + 24664 32 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 33 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 34 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 35 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 36 JavaScriptCore 0x0000000186b96974 llint_entry + 24564 37 JavaScriptCore 0x0000000186b90760 callToJavaScript + 304 38 JavaScriptCore 0x0000000186afeac4 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 44 39 JavaScriptCore 0x00000001868695e0 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 416 40 JavaScriptCore 0x0000000186940924 JSC::boundFunctionCall(JSC::ExecState*) + 532 41 JavaScriptCore 0x0000000186b908e8 callToNativeFunction + 312 42 JavaScriptCore 0x0000000186869624 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 484 43 JavaScriptCore 0x0000000186995738 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, JSC::JSValue*) + 88 44 WebCore 0x0000000193a932a4 WebCore::JSCallbackData::invokeCallback(JSC::JSValue, JSC::MarkedArgumentBuffer&, bool*) + 580 45 WebCore 0x00000001940dd988 WebCore::JSRequestAnimationFrameCallback::handleEvent(double) + 176 46 WebCore 0x0000000194423de4 WebCore::ScriptedAnimationController::serviceScriptedAnimations(double) + 424 47 WebCore 0x0000000193c2462c WebCore::DisplayRefreshMonitor::displayDidRefresh() + 452 48 QuartzCore 0x000000018971a298 CA::Display::DisplayLinkItem::dispatch() + 28 49 QuartzCore 0x000000018971a130 CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 320 50 IOKit 0x00000001864f546c IODispatchCalloutFromCFMessage + 372 51 CoreFoundation 0x00000001852e6dc0 __CFMachPortPerform + 176 52 CoreFoundation 0x00000001852fba50 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52 53 CoreFoundation 0x00000001852fb9b0 __CFRunLoopDoSource1 + 432 54 CoreFoundation 0x00000001852f9930 __CFRunLoopRun + 1636 55 CoreFoundation 0x00000001852252d0 CFRunLoopRunSpecific + 392 56 WebCore 0x0000000193904890 RunWebThread(void*) + 464 57 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 58 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 59 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 5 name: com.apple.CFSocket.private Thread 5: 0 libsystem_kernel.dylib 0x000000019709b498 __select + 8 1 CoreFoundation 0x0000000185301124 __CFSocketManager + 668 2 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 3 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 4 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 6 name: JavaScriptCore::BlockFree Thread 6: 0 libsystem_kernel.dylib 0x000000019709b078 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x0000000197136f28 _pthread_cond_wait + 620 2 libc++.1.dylib 0x0000000196080d5c std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 136 3 JavaScriptCore 0x0000000186982574 JSC::BlockAllocator::waitForDuration(std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000l> >) + 176 4 JavaScriptCore 0x0000000186819588 JSC::BlockAllocator::blockFreeingThreadMain() + 76 5 JavaScriptCore 0x0000000186814b9c WTF::wtfThreadEntryPoint(void*) + 20 6 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 7 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 8 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 7 name: JavaScriptCore::Marking Thread 7: 0 libsystem_kernel.dylib 0x000000019709b078 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x0000000197136f28 _pthread_cond_wait + 620 2 libc++.1.dylib 0x0000000196080cac std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52 3 JavaScriptCore 0x0000000186ac2edc JSC::GCThread::waitForNextPhase() + 152 4 JavaScriptCore 0x0000000186ac2f80 JSC::GCThread::gcThreadMain() + 88 5 JavaScriptCore 0x0000000186814b9c WTF::wtfThreadEntryPoint(void*) + 20 6 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 7 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 8 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 8 name: JavaScriptCore::Marking Thread 8: 0 libsystem_kernel.dylib 0x000000019709b078 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x0000000197136f28 _pthread_cond_wait + 620 2 libc++.1.dylib 0x0000000196080cac std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52 3 JavaScriptCore 0x0000000186ac2edc JSC::GCThread::waitForNextPhase() + 152 4 JavaScriptCore 0x0000000186ac2f80 JSC::GCThread::gcThreadMain() + 88 5 JavaScriptCore 0x0000000186814b9c WTF::wtfThreadEntryPoint(void*) + 20 6 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 7 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 8 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 9 name: WebCore: CFNetwork Loader Thread 9: 0 libsystem_kernel.dylib 0x0000000197080e0c mach_msg_trap + 8 1 libsystem_kernel.dylib 0x0000000197080c84 mach_msg + 68 2 CoreFoundation 0x00000001852fb720 __CFRunLoopServiceMachPort + 196 3 CoreFoundation 0x00000001852f9674 __CFRunLoopRun + 936 4 CoreFoundation 0x00000001852252d0 CFRunLoopRunSpecific + 392 5 WebCore 0x00000001939389ac WebCore::runLoaderThread(void*) + 284 6 JavaScriptCore 0x0000000186814b9c WTF::wtfThreadEntryPoint(void*) + 20 7 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 8 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 9 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 10 name: WebCore: LocalStorage Thread 10: 0 libsystem_kernel.dylib 0x000000019709b078 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x0000000197136f28 _pthread_cond_wait + 620 2 JavaScriptCore 0x00000001868197bc WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 76 3 WebCore 0x000000019448e32c std::__1::unique_ptr<WTF::Function<void ()>, std::__1::default_delete<WTF::Function<void ()> > > WTF::MessageQueue<WTF::Function<void ()> >::waitForMessageFilteredWithTimeout<WTF::MessageQueue<WTF::Function<void ()> >::waitForMessage()::'lambda'(WTF::Function<void ()> const&)>(WTF::MessageQueueWaitResult&, WTF::MessageQueue<WTF::Function<void ()> >::waitForMessage()::'lambda'(WTF::Function<void ()> const&)&&, double) + 96 4 WebCore 0x0000000193a00ff8 WebCore::StorageThread::threadEntryPoint() + 220 5 JavaScriptCore 0x0000000186814b9c WTF::wtfThreadEntryPoint(void*) + 20 6 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 7 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 8 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 11 name: AVAudioSession Notify Thread Thread 11: 0 libsystem_kernel.dylib 0x0000000197080e0c mach_msg_trap + 8 1 libsystem_kernel.dylib 0x0000000197080c84 mach_msg + 68 2 CoreFoundation 0x00000001852fb720 __CFRunLoopServiceMachPort + 196 3 CoreFoundation 0x00000001852f9674 __CFRunLoopRun + 936 4 CoreFoundation 0x00000001852252d0 CFRunLoopRunSpecific + 392 5 libAVFAudio.dylib 0x0000000183ca102c GenericRunLoopThread::Entry(void*) + 160 6 libAVFAudio.dylib 0x0000000183c93a0c CAPThread::Entry(CAPThread*) + 116 7 libsystem_pthread.dylib 0x0000000197137dc4 _pthread_body + 160 8 libsystem_pthread.dylib 0x0000000197137d20 _pthread_start + 156 9 libsystem_pthread.dylib 0x0000000197134ef4 thread_start + 0 Thread 12: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 13: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 14: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 15: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 16: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 17: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 18: 0 libsystem_kernel.dylib 0x000000019709bc78 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x00000001971352d8 _pthread_wqthread + 988 2 libsystem_pthread.dylib 0x0000000197134eec start_wqthread + 0 Thread 4 crashed with ARM Thread State (64-bit): x0: 0x0000000000000000 x1: 0x00001f0000001f00 x2: 0x000000019aeb1ee0 x3: 0x0000000103b2c82c x4: 0x0000000103b2c828 x5: 0x0000000103b2c900 x6: 0x000000000000000a x7: 0x0000000000000fa0 x8: 0x00000000bbadbeef x9: 0x0000000000000000 x10: 0x0000000000001f00 x11: 0x0000000000001f00 x12: 0x0000000186b96978 x13: 0x0000000000000000 x14: 0x0000000000000003 x15: 0x0000000000000000 x16: 0x00000001970c80fc x17: 0x0000000000000000 x18: 0x0000000000000000 x19: 0x0000000103b2c9a8 x20: 0x0000000170a786c0 x21: 0x0000000170a786c0 x22: 0x000000018a59aedd x23: 0x000000019a8ebb20 x24: 0x000000019a8eba10 x25: 0x000000018a58a2d0 x26: 0x0000000103b2cfa0 x27: 0x000000000000a740 x28: 0x0000000000000002 fp: 0x0000000103b2cac0 lr: 0x0000000186c3d584 sp: 0x0000000103b2c9a0 pc: 0x0000000186c3d58c cpsr: 0x60000000 这个崩溃是WebKit中的错误的结果。 它被固定在06/05/15 。 iOS 9于09年9月9日发布，所以最有可能这个bug已经在上一个iOS版本中修复了。 虽然它仍然影响iOS 8，并没有简单的解决方法。