UIWebView WebCore TimerBase crash only on 11.3 (15E216) : SIGTRAP WebCore _ZN7WebCore9TimerBaseD2Ev

Question

I've recently got a crash report from Crash Report Tools. This crash is being refered to UIWebView WebCore crash, my app uses UIWebView only ,And i can't switch to WKWebview recently. Below is the crash report,and I can't reproduce it. It happened on device iPhone 6,7,8,X, but only using version iOS 11.3 (15E216).

this crash has 3 diffrent crash stack. Any advice would be helpful.😝

type 1:

0 WebCore WebCore::TimerBase::~TimerBase() + 120
1 WebCore WebCore::TimerBase::~TimerBase() + 40
2 WebCore WebCore::ImageLoader::~ImageLoader() + 2076
3 WebCore WebCore::HTMLImageElement::~HTMLImageElement() + 224
4 WebCore WebCore::HTMLImageElement::~HTMLImageElement() + 12
5 JavaScriptCore void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&) + 212

type 2:

0 WebCore WebCore::TimerBase::~TimerBase() + 120
1 WebCore WebCore::TimerBase::~TimerBase() + 40
2 WebCore WebCore::XMLHttpRequest::~XMLHttpRequest() + 116
3 WebCore WebCore::XMLHttpRequest::~XMLHttpRequest() + 12
4 JavaScriptCore void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&) + 212
5 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&)::'lambda'()::operator()() const + 408

type 3:

0 WebCore WebCore::TimerBase::~TimerBase() + 120
1 WebCore WebCore::TimerBase::~TimerBase() + 40
2 WebCore WebCore::MediaElementSession::~MediaElementSession() + 96
3 WebCore WebCore::HTMLMediaElement::~HTMLMediaElement() + 1340
4 WebCore WebCore::HTMLVideoElement::~HTMLVideoElement() + 176
5 JavaScriptCore void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&) + 212

==

fully crash stack:

type 1:

#0 Thread


SIGTRAP


0 WebCore WebCore::TimerBase::~TimerBase() + 120
1 WebCore WebCore::TimerBase::~TimerBase() + 40
2 WebCore WebCore::ImageLoader::~ImageLoader() + 2076
3 WebCore WebCore::HTMLImageElement::~HTMLImageElement() + 224
4 WebCore WebCore::HTMLImageElement::~HTMLImageElement() + 12
5 JavaScriptCore void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&) + 212
6 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&)::'lambda'()::operator()() const + 408
7 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&) + 320
8 JavaScriptCore JSC::JSDestructibleObjectHeapCellType::finishSweep(JSC::MarkedBlock::Handle&, JSC::FreeList*) + 32
9 JavaScriptCore JSC::MarkedBlock::Handle::sweep(JSC::FreeList*) + 372
10 JavaScriptCore JSC::LocalAllocator::tryAllocateIn(JSC::MarkedBlock::Handle*) + 40
11 JavaScriptCore JSC::LocalAllocator::tryAllocateWithoutCollecting() + 48
12 JavaScriptCore JSC::LocalAllocator::allocateSlowCase(JSC::GCDeferralContext*, JSC::AllocationFailureMode) + 292
13 JavaScriptCore JSC::CompleteSubspace::allocateNonVirtual(JSC::VM&, unsigned long, JSC::GCDeferralContext*, JSC::AllocationFailureMode) + 216
14 WebCore std::__1::enable_if<std::is_same<WebCore::GainNode, WebCore::GainNode>::value, WebCore::JSDOMWrapperConverterTraits<WebCore::GainNode>::WrapperClass*>::type WebCore::createWrapper<WebCore::GainNode, WebCore::GainNode>(WebCore::JSDOMGlobalObject*, ***::Ref<WebCore::GainNode, ***::DumbPtrTraits<WebCore::GainNode> >&&) + 220
15 WebCore WebCore::toJS(JSC::ExecState*, WebCore::JSDOMGlobalObject*, WebCore::GainNode&) + 136
16 WebCore WebCore::jsAudioContextPrototypeFunctionCreateGain(JSC::ExecState*) + 264
17 JavaScriptCore _llint_entry + 31860
18 JavaScriptCore _llint_entry + 29020
19 JavaScriptCore _llint_entry + 30040
20 JavaScriptCore _llint_entry + 29020
21 JavaScriptCore _llint_entry + 29020
22 JavaScriptCore _llint_entry + 29020
23 JavaScriptCore _llint_entry + 29020
24 JavaScriptCore _llint_entry + 29020
25 JavaScriptCore _llint_entry + 29020
26 JavaScriptCore _llint_entry + 29020
27 JavaScriptCore _llint_entry + 29020
28 JavaScriptCore _llint_entry + 29020
29 JavaScriptCore _llint_entry + 29020
30 JavaScriptCore _llint_entry + 29020
31 JavaScriptCore _llint_entry + 29020
32 JavaScriptCore _llint_entry + 29020
33 JavaScriptCore _llint_entry + 29020
34 JavaScriptCore _llint_entry + 29020
35 JavaScriptCore _llint_entry + 29020
36 JavaScriptCore _vmEntryToJavaScript + 272
37 JavaScriptCore JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 184
38 JavaScriptCore JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 464
39 JavaScriptCore JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, ***::NakedPtr<JSC::Exception>&) + 180
40 WebCore WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) + 1176
41 WebCore WebCore::EventTarget::fireEventListeners(WebCore::Event&, ***::Vector<***::RefPtr<WebCore::RegisteredEventListener, ***::DumbPtrTraits<WebCore::RegisteredEventListener> >, 1ul, ***::CrashOnOverflow, 16ul, ***::FastMalloc>) + 760
42 WebCore WebCore::EventTarget::fireEventListeners(WebCore::Event&) + 596
43 WebCore WebCore::EventTarget::dispatchEvent(WebCore::Event&) + 116
44 WebCore WebCore::WebSocket::didReceiveBinaryData(***::Vector<unsigned char, 0ul, ***::CrashOnOverflow, 16ul, ***::FastMalloc>&&) + 236
45 WebCore WebCore::WebSocketChannel::processFrame() + 2912
46 WebCore WebCore::WebSocketChannel::processBuffer() + 112
47 WebCore WebCore::WebSocketChannel::didReceiveSocketStreamData(WebCore::SocketStreamHandle&, char const*, unsigned long) + 112
48 WebCore WebCore::SocketStreamHandleImpl::readStreamCallback(unsigned long) + 544
49 CoreFoundation __signalEventSync + 212
50 CoreFoundation __cfstream_solo_signalEventSync + 260
51 CoreFoundation __CFStreamSignalEvent + 548
52 CFNetwork SocketStream::dispatchSignalFromSocketCallbackUnlocked(SocketStreamSignalHolder*) + 64
53 CFNetwork SocketStream::socketCallback(__CFSocket*, unsigned long, __CFData const*, void const*) + 148
54 CFNetwork SocketStream::_SocketCallBack_stream(__CFSocket*, unsigned long, __CFData const*, void const*, void*) + 88
55 CoreFoundation ___CFSocketPerformV0 + 1352
56 CoreFoundation ___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
57 CoreFoundation ___CFRunLoopDoSources0 + 276
58 CoreFoundation ___CFRunLoopRun + 1204
59 CoreFoundation CFRunLoopRunSpecific + 552
60 GraphicsServices GSEventRunModal + 100
61 UIKit UIApplicationMain + 236
62 x5gamehelper main + 88
63 libdyld.dylib _start + 4

type 2:

#0 Thread


SIGTRAP


0 WebCore WebCore::TimerBase::~TimerBase() + 120
1 WebCore WebCore::TimerBase::~TimerBase() + 40
2 WebCore WebCore::XMLHttpRequest::~XMLHttpRequest() + 116
3 WebCore WebCore::XMLHttpRequest::~XMLHttpRequest() + 12
4 JavaScriptCore void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&) + 212
5 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&)::'lambda'()::operator()() const + 408
6 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&) + 320
7 JavaScriptCore JSC::JSDestructibleObjectHeapCellType::finishSweep(JSC::MarkedBlock::Handle&, JSC::FreeList*) + 32
8 JavaScriptCore JSC::MarkedBlock::Handle::sweep(JSC::FreeList*) + 372
9 JavaScriptCore JSC::LocalAllocator::tryAllocateIn(JSC::MarkedBlock::Handle*) + 40
10 JavaScriptCore JSC::LocalAllocator::tryAllocateWithoutCollecting() + 48
11 JavaScriptCore JSC::LocalAllocator::allocateSlowCase(JSC::GCDeferralContext*, JSC::AllocationFailureMode) + 292
12 JavaScriptCore JSC::CompleteSubspace::allocateNonVirtual(JSC::VM&, unsigned long, JSC::GCDeferralContext*, JSC::AllocationFailureMode) + 216
13 WebCore std::__1::enable_if<std::is_same<WebCore::GainNode, WebCore::GainNode>::value, WebCore::JSDOMWrapperConverterTraits<WebCore::GainNode>::WrapperClass*>::type WebCore::createWrapper<WebCore::GainNode, WebCore::GainNode>(WebCore::JSDOMGlobalObject*, ***::Ref<WebCore::GainNode, ***::DumbPtrTraits<WebCore::GainNode> >&&) + 220
14 WebCore WebCore::toJS(JSC::ExecState*, WebCore::JSDOMGlobalObject*, WebCore::GainNode&) + 136
15 WebCore WebCore::jsAudioContextPrototypeFunctionCreateGain(JSC::ExecState*) + 264
16 JavaScriptCore _llint_entry + 31860
17 JavaScriptCore _llint_entry + 29020
18 JavaScriptCore _llint_entry + 30040
19 JavaScriptCore _llint_entry + 29020
20 JavaScriptCore _llint_entry + 29020
21 JavaScriptCore _llint_entry + 29020
22 JavaScriptCore _llint_entry + 29020
23 JavaScriptCore _llint_entry + 29020
24 JavaScriptCore _llint_entry + 29020
25 JavaScriptCore _llint_entry + 29020
26 JavaScriptCore _llint_entry + 29020
27 JavaScriptCore _llint_entry + 29020
28 JavaScriptCore _llint_entry + 29020
29 JavaScriptCore _llint_entry + 28904
30 JavaScriptCore _llint_entry + 28904
31 JavaScriptCore _llint_entry + 28904
32 JavaScriptCore _llint_entry + 29020
33 JavaScriptCore _llint_entry + 29020
34 JavaScriptCore _llint_entry + 28904
35 JavaScriptCore _llint_entry + 29020
36 JavaScriptCore _llint_entry + 29020
37 JavaScriptCore _vmEntryToJavaScript + 272
38 JavaScriptCore JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 184
39 JavaScriptCore JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 464
40 JavaScriptCore JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, ***::NakedPtr<JSC::Exception>&) + 180
41 WebCore WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) + 1176
42 WebCore WebCore::EventTarget::fireEventListeners(WebCore::Event&, ***::Vector<***::RefPtr<WebCore::RegisteredEventListener, ***::DumbPtrTraits<WebCore::RegisteredEventListener> >, 1ul, ***::CrashOnOverflow, 16ul, ***::FastMalloc>) + 760
43 WebCore WebCore::EventTarget::fireEventListeners(WebCore::Event&) + 596
44 WebCore WebCore::EventTarget::dispatchEvent(WebCore::Event&) + 116
45 WebCore WebCore::WebSocket::didReceiveBinaryData(***::Vector<unsigned char, 0ul, ***::CrashOnOverflow, 16ul, ***::FastMalloc>&&) + 236
46 WebCore WebCore::WebSocketChannel::processFrame() + 2912
47 WebCore WebCore::WebSocketChannel::processBuffer() + 112
48 WebCore WebCore::WebSocketChannel::didReceiveSocketStreamData(WebCore::SocketStreamHandle&, char const*, unsigned long) + 112
49 WebCore WebCore::SocketStreamHandleImpl::readStreamCallback(unsigned long) + 544
50 CoreFoundation __signalEventSync + 212
51 CoreFoundation __cfstream_solo_signalEventSync + 260
52 CoreFoundation __CFStreamSignalEvent + 548
53 CFNetwork SocketStream::dispatchSignalFromSocketCallbackUnlocked(SocketStreamSignalHolder*) + 64
54 CFNetwork SocketStream::socketCallback(__CFSocket*, unsigned long, __CFData const*, void const*) + 148
55 CFNetwork SocketStream::_SocketCallBack_stream(__CFSocket*, unsigned long, __CFData const*, void const*, void*) + 88
56 CoreFoundation ___CFSocketPerformV0 + 1352
57 CoreFoundation ___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
58 CoreFoundation ___CFRunLoopDoSources0 + 276
59 CoreFoundation ___CFRunLoopRun + 1204
60 CoreFoundation CFRunLoopRunSpecific + 552
61 GraphicsServices GSEventRunModal + 100
62 UIKit UIApplicationMain + 236
63 x5gamehelper main + 88
64 libdyld.dylib _start + 4

type 3:

#0 Thread


SIGTRAP


0 WebCore WebCore::TimerBase::~TimerBase() + 120
1 WebCore WebCore::TimerBase::~TimerBase() + 40
2 WebCore WebCore::MediaElementSession::~MediaElementSession() + 96
3 WebCore WebCore::HTMLMediaElement::~HTMLMediaElement() + 1340
4 WebCore WebCore::HTMLVideoElement::~HTMLVideoElement() + 176
5 JavaScriptCore void JSC::MarkedBlock::Handle::specializedSweep<true, (JSC::MarkedBlock::Handle::EmptyMode)1, (JSC::MarkedBlock::Handle::SweepMode)1, (JSC::MarkedBlock::Handle::SweepDestructionMode)1, (JSC::MarkedBlock::Handle::ScribbleMode)0, (JSC::MarkedBlock::Handle::NewlyAllocatedMode)1, (JSC::MarkedBlock::Handle::MarksMode)1, JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::MarkedBlock::Handle::EmptyMode, JSC::MarkedBlock::Handle::SweepMode, JSC::MarkedBlock::Handle::SweepDestructionMode, JSC::MarkedBlock::Handle::ScribbleMode, JSC::MarkedBlock::Handle::NewlyAllocatedMode, JSC::MarkedBlock::Handle::MarksMode, JSC::JSDestructibleObjectDestroyFunc const&) + 212
6 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&)::'lambda'()::operator()() const + 408
7 JavaScriptCore void JSC::MarkedBlock::Handle::finishSweepKnowingHeapCellType<JSC::JSDestructibleObjectDestroyFunc>(JSC::FreeList*, JSC::JSDestructibleObjectDestroyFunc const&) + 320
8 JavaScriptCore JSC::JSDestructibleObjectHeapCellType::finishSweep(JSC::MarkedBlock::Handle&, JSC::FreeList*) + 32
9 JavaScriptCore JSC::MarkedBlock::Handle::sweep(JSC::FreeList*) + 372
10 JavaScriptCore JSC::LocalAllocator::tryAllocateIn(JSC::MarkedBlock::Handle*) + 40
11 JavaScriptCore JSC::LocalAllocator::tryAllocateWithoutCollecting() + 48
12 JavaScriptCore JSC::LocalAllocator::allocateSlowCase(JSC::GCDeferralContext*, JSC::AllocationFailureMode) + 292
13 JavaScriptCore JSC::CompleteSubspace::allocateNonVirtual(JSC::VM&, unsigned long, JSC::GCDeferralContext*, JSC::AllocationFailureMode) + 216
14 WebCore std::__1::enable_if<std::is_same<WebCore::WebSocket, WebCore::WebSocket>::value, WebCore::JSDOMWrapperConverterTraits<WebCore::WebSocket>::WrapperClass*>::type WebCore::createWrapper<WebCore::WebSocket, WebCore::WebSocket>(WebCore::JSDOMGlobalObject*, ***::Ref<WebCore::WebSocket, ***::DumbPtrTraits<WebCore::WebSocket> >&&) + 220
15 WebCore WebCore::constructJSWebSocket1(JSC::ExecState*) + 284
16 WebCore WebCore::JSDOMConstructor<WebCore::JSWebSocket>::construct(JSC::ExecState*) + 136
17 JavaScriptCore JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*) + 580
18 JavaScriptCore _llint_entry + 30024
19 JavaScriptCore _llint_entry + 28904
20 JavaScriptCore _llint_entry + 28904
21 JavaScriptCore _llint_entry + 29020
22 JavaScriptCore _llint_entry + 28904
23 JavaScriptCore _llint_entry + 28904
24 JavaScriptCore _llint_entry + 29020
25 JavaScriptCore _llint_entry + 29020
26 JavaScriptCore _llint_entry + 29020
27 JavaScriptCore _llint_entry + 29020
28 JavaScriptCore _vmEntryToJavaScript + 272
29 JavaScriptCore JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 184
30 JavaScriptCore JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 464
31 JavaScriptCore JSC::boundThisNoArgsFunctionCall(JSC::ExecState*) + 512
32 JavaScriptCore _llint_entry + 31860
33 JavaScriptCore _llint_entry + 29020
34 JavaScriptCore _vmEntryToJavaScript + 272
35 JavaScriptCore JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 184
36 JavaScriptCore JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 464
37 JavaScriptCore JSC::boundThisNoArgsFunctionCall(JSC::ExecState*) + 512
38 JavaScriptCore _llint_entry + 31860
39 JavaScriptCore _llint_entry + 29020
40 JavaScriptCore _llint_entry + 29020
41 JavaScriptCore _llint_entry + 29020
42 JavaScriptCore _llint_entry + 28904
43 JavaScriptCore _llint_entry + 29020
44 JavaScriptCore _llint_entry + 28904
45 JavaScriptCore _llint_entry + 28904
46 JavaScriptCore _llint_entry + 28904
47 JavaScriptCore _vmEntryToJavaScript + 272
48 JavaScriptCore JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 184
49 JavaScriptCore JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 464
50 JavaScriptCore JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, ***::NakedPtr<JSC::Exception>&) + 180
51 WebCore WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) + 1176
52 WebCore WebCore::EventTarget::fireEventListeners(WebCore::Event&, ***::Vector<***::RefPtr<WebCore::RegisteredEventListener, ***::DumbPtrTraits<WebCore::RegisteredEventListener> >, 1ul, ***::CrashOnOverflow, 16ul, ***::FastMalloc>) + 760
53 WebCore WebCore::EventTarget::fireEventListeners(WebCore::Event&) + 596
54 WebCore WebCore::EventTarget::dispatchEvent(WebCore::Event&) + 116
55 WebCore WebCore::WebSocket::didReceiveBinaryData(***::Vector<unsigned char, 0ul, ***::CrashOnOverflow, 16ul, ***::FastMalloc>&&) + 236
56 WebCore WebCore::WebSocketChannel::processFrame() + 2912
57 WebCore WebCore::WebSocketChannel::processBuffer() + 112
58 WebCore WebCore::WebSocketChannel::didReceiveSocketStreamData(WebCore::SocketStreamHandle&, char const*, unsigned long) + 112
59 WebCore WebCore::SocketStreamHandleImpl::readStreamCallback(unsigned long) + 544
60 CoreFoundation __signalEventSync + 212
61 CoreFoundation __cfstream_solo_signalEventSync + 260
62 CoreFoundation __CFStreamSignalEvent + 548
63 CFNetwork SocketStream::dispatchSignalFromSocketCallbackUnlocked(SocketStreamSignalHolder*) + 64
64 CFNetwork SocketStream::socketCallback(__CFSocket*, unsigned long, __CFData const*, void const*) + 148
65 CFNetwork SocketStream::_SocketCallBack_stream(__CFSocket*, unsigned long, __CFData const*, void const*, void*) + 88
66 CoreFoundation ___CFSocketPerformV0 + 1352
67 CoreFoundation ___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
68 CoreFoundation ___CFRunLoopDoSources0 + 276
69 CoreFoundation ___CFRunLoopRun + 1204
70 CoreFoundation CFRunLoopRunSpecific + 552
71 GraphicsServices GSEventRunModal + 100
72 UIKit UIApplicationMain + 236
73 x5gamehelper main + 88
74 libdyld.dylib _start + 4

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iOS

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Posted by

mgc_h3d

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Answer 1

😟 😟 😟 Can anybody help me?

Posted by

mgc_h3d

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Answer 2

I got same crash log. This is my crash Code.

[currentContext evaluateScript:callBackJs]

And I change the way to execute js statement like this, the crash is gone.

[webview stringByEvaluatingJavaScriptFromString:callBackJS];

But don't know why did this crash happed!

Hope to help! If you get another soluation, please tell me, tks!

Posted by

li236

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UIWebView WebCore TimerBase crash only on 11.3 (15E216) : SIGTRAP WebCore _ZN7WebCore9TimerBaseD2Ev

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