问题描述
崩溃出现在带有 react-native 0.63.2 的 iPhone XR IOS 13 的生产模式中。在开发模式下无法捕获它。当异常（或陷阱）发生时，SIGTRAP 信号被发送到进程：调试器请求被通知的条件——例如，何时执行特定函数，或特定变量更改值时。而且没有复制步骤，只有crashlytics报告：
Crashed: com.facebook.react.JavaScript
0 libsystem_malloc.dylib 0x1a065be50 nanov2_allocate_from_block$VARIANT$mp.cold.1 + 36
1 libsystem_malloc.dylib 0x1a06429c0 nanov2_find_block_and_allocate$VARIANT$mp + 514
2 libsystem_malloc.dylib 0x1a0641c40 nanov2_allocate$VARIANT$mp + 124
3 libsystem_malloc.dylib 0x1a0641b74 nanov2_malloc$VARIANT$mp + 60
4 libsystem_malloc.dylib 0x1a06506c0 malloc_zone_malloc + 156
5 libsystem_malloc.dylib 0x1a06510cc malloc + 28
6 libc++abi.dylib 0x1a072b8a0 operator new(unsigned long) + 28
7 vtb.invest 0x100efab7c std::__1::unordered_map<folly::dynamic,folly::dynamic,folly::detail::DynamicHasher,folly::detail::DynamicKeyEqual,std::__1::allocator<std::__1::pair<folly::dynamic const,folly::dynamic> > >::operator[](folly::dynamic&&) + 253 (new:253)
8 vtb.invest 0x100fa0d7c facebook::jsi::dynamicFromValue(facebook::jsi::Runtime&,facebook::jsi::Value const&) + 860 (dynamic-inl.h:860)
9 vtb.invest 0x100fa0ad0 facebook::jsi::dynamicFromValue(facebook::jsi::Runtime&,facebook::jsi::Value const&) + 74 (JSIDynamic.cpp:74)
10 vtb.invest 0x100fa0ad0 facebook::jsi::dynamicFromValue(facebook::jsi::Runtime&,facebook::jsi::Value const&) + 74 (JSIDynamic.cpp:74)
11 vtb.invest 0x100fa0ad0 facebook::jsi::dynamicFromValue(facebook::jsi::Runtime&,facebook::jsi::Value const&) + 74 (JSIDynamic.cpp:74)
12 vtb.invest 0x100fa2a30 facebook::react::JSIExecutor::callNativeModules(facebook::jsi::Value const&,bool) + 388 (JSIExecutor.cpp:388)
13 vtb.invest 0x100fa4660 std::__1::__function::__func<facebook::react::JSIExecutor::initializeRuntime()::$_1,std::__1::allocator<facebook::react::JSIExecutor::initializeRuntime()::$_1>,facebook::jsi::Value (facebook::jsi::Runtime&,facebook::jsi::Value const&,facebook::jsi::Value const*,unsigned long)>::operator()(facebook::jsi::Runtime&,facebook::jsi::Value const*&&,unsigned long&&) + 1144 (jsi.h:1144)
14 vtb.invest 0x100f9d654 std::__1::function<facebook::jsi::Value (facebook::jsi::Runtime&,unsigned long) const + 2548 (functional:2548)
15 vtb.invest 0x100f9d398 facebook::jsc::JSCRuntime::createFunctionFromHostFunction(facebook::jsi::PropNameID const&,unsigned int,std::__1::function<facebook::jsi::Value (facebook::jsi::Runtime&,unsigned long)>)::HostFunctionMetadata::call(Opaquejscontext const*,OpaqueJSValue*,unsigned long,OpaqueJSValue const* const*,OpaqueJSValue const**) + 1150 (JSCRuntime.cpp:1150)
16 JavaScriptCore 0x1afaab158 JSC::JSCallbackObject<JSC::JSNonFinalObject>::call(JSC::JSGlobalObject*,JSC::CallFrame*) + 428
17 JavaScriptCore 0x1b00ade78 JSC::LLInt::setUpCall(JSC::CallFrame*,JSC::CodeSpecializationKind,JSC::JSValue,JSC::LLIntCallLinkInfo*) + 684
18 JavaScriptCore 0x1afa56ffc llint_entry + 124780
19 JavaScriptCore 0x1afa56f68 llint_entry + 124632
20 JavaScriptCore 0x1afa56f68 llint_entry + 124632
21 JavaScriptCore 0x1afa56f68 llint_entry + 124632
22 JavaScriptCore 0x1afa56f68 llint_entry + 124632
23 JavaScriptCore 0x1afa56f68 llint_entry + 124632
24 JavaScriptCore 0x1afa56f68 llint_entry + 124632
25 JavaScriptCore 0x1afa56f68 llint_entry + 124632
26 JavaScriptCore 0x1afa38648 vmEntryToJavaScript + 248
27 JavaScriptCore 0x1affe7718 JSC::Interpreter::executeCall(JSC::JSGlobalObject*,JSC::JSObject*,JSC::CallType,JSC::CallData const&,JSC::ArgList const&) + 444
28 JavaScriptCore 0x1b0265fc8 JSC::boundThisNoArgsFunctionCall(JSC::JSGlobalObject*,JSC::CallFrame*) + 712
29 JavaScriptCore 0x1afa597f0 llint_entry + 135008
30 JavaScriptCore 0x1afa57010 llint_entry + 124800
31 JavaScriptCore 0x1afa57010 llint_entry + 124800
32 JavaScriptCore 0x1afa56f68 llint_entry + 124632
33 JavaScriptCore 0x1afa56f68 llint_entry + 124632
34 JavaScriptCore 0x1afa56f68 llint_entry + 124632
35 JavaScriptCore 0x1afa56f68 llint_entry + 124632
36 JavaScriptCore 0x1afa57010 llint_entry + 124800
37 JavaScriptCore 0x1afa57010 llint_entry + 124800
38 JavaScriptCore 0x1afa58444 llint_entry + 129972
39 JavaScriptCore 0x1afa56f68 llint_entry + 124632
40 JavaScriptCore 0x1afa57010 llint_entry + 124800
41 JavaScriptCore 0x1afa56f68 llint_entry + 124632
42 JavaScriptCore 0x1afa38648 vmEntryToJavaScript + 248
43 JavaScriptCore 0x1affe7718 JSC::Interpreter::executeCall(JSC::JSGlobalObject*,JSC::ArgList const&) + 444
44 JavaScriptCore 0x1b0265fc8 JSC::boundThisNoArgsFunctionCall(JSC::JSGlobalObject*,JSC::CallFrame*) + 712
45 JavaScriptCore 0x1afa387c4 vmEntrytonative + 260
46 JavaScriptCore 0x1affe776c JSC::Interpreter::executeCall(JSC::JSGlobalObject*,JSC::ArgList const&) + 528
47 JavaScriptCore 0x1b01cd1a8 JSC::profiledCall(JSC::JSGlobalObject*,JSC::ProfilingReason,JSC::ArgList const&) + 168
48 JavaScriptCore 0x1afab94e0 JSObjectCallAsFunction + 504
49 vtb.invest 0x100f9b760 facebook::jsc::JSCRuntime::call(facebook::jsi::Function const&,unsigned long) + 1253 (JSCRuntime.cpp:1253)
50 vtb.invest 0x100fa4dfc facebook::jsi::Value facebook::jsi::Function::call<std::__1::basic_string<char,std::__1::char_traits<char>,std::__1::allocator<char> > const&,std::__1::basic_string<char,facebook::jsi::Value>(facebook::jsi::Runtime&,facebook::jsi::Value&&) const + 224 (jsi-inl.h:224)
51 vtb.invest 0x100fa4c5c std::__1::__function::__func<facebook::react::JSIExecutor::callFunction(std::__1::basic_string<char,folly::dynamic const&)::$_4,std::__1::allocator<facebook::react::JSIExecutor::callFunction(std::__1::basic_string<char,folly::dynamic const&)::$_4>,void ()>::operator()() + 231 (JSIExecutor.cpp:231)
52 vtb.invest 0x100ec6100 void std::__1::__invoke_void_return_wrapper<void>::__call<void (*&)(std::__1::function<void ()> const&,std::__1::function<std::__1::basic_string<char,std::__1::allocator<char> > ()>),std::__1::function<void ()> const&,std::__1::allocator<char> > ()> >(void (*&)(std::__1::function<void ()> const&,std::__1::allocator<char> > ()>&&) + 1831 (functional:1831)
53 vtb.invest 0x100fa2660 facebook::react::JSIExecutor::callFunction(std::__1::basic_string<char,folly::dynamic const&) + 1831 (functional:1831)
54 vtb.invest 0x100f97b98 std::__1::__function::__func<facebook::react::NativetoJsBridge::runOnExecutorQueue(std::__1::function<void (facebook::react::JSExecutor*)>)::$_8,std::__1::allocator<facebook::react::NativetoJsBridge::runOnExecutorQueue(std::__1::function<void (facebook::react::JSExecutor*)>)::$_8>,void ()>::operator()() + 1720 (functional:1720)
55 vtb.invest 0x100ee39b4 facebook::react::tryAndReturnError(std::__1::function<void ()> const&) + 121780 (RCTCxxUtils.mm:121780)
56 vtb.invest 0x100eeffe0 facebook::react::RCTMessageThread::tryFunc(std::__1::function<void ()> const&) + 68 (RCTMessageThread.mm:68)
57 vtb.invest 0x100eefda0 invocation function for block in facebook::react::RCTMessageThread::runAsync(std::__1::function<void ()>) + 45 (RCTMessageThread.mm:45)
58 CoreFoundation 0x1a08de90c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 20
59 CoreFoundation 0x1a08de098 __CFRunLoopdoblocks + 264
60 CoreFoundation 0x1a08d91fc __CFRunLoopRun + 808
61 CoreFoundation 0x1a08d8ba8 CFRunLoopRunSpecific + 424
62 vtb.invest 0x100ed8ff8 +[RCTCxxBridge runRunLoop] + 266 (RCTCxxBridge.mm:266)
63 Foundation 0x1a0d58e20 __NSThread__start__ + 848
64 libsystem_pthread.dylib 0x1a0676d98 _pthread_start + 156
65 libsystem_pthread.dylib 0x1a067a74c thread_start + 8
对原因以及如何解决有任何想法吗？
解决方法
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