Не удалось воспроизвести WebKitLegacy – crash

Я получаю [_WebSafeForwarder forwardInvocation:] и отчет о сбоях, как указано в crashlytics. Не удалось воспроизвести одно и то же условие в моем коде. Я добавил webview.delegate = nil и [webview stopLoading] в каждом -(void)dealloc методе -(void)dealloc где когда-либо присутствует UIWebview все еще попадает после сбоя.

 #0. Crashed: com.apple.main-thread 0 libobjc.A.dylib 0x24deba86 objc_msgSend + 5 1 WebKitLegacy 0x29945e17 -[_WebSafeForwarder forwardInvocation:] + 190 2 CoreFoundation 0x25624f4d ___forwarding___ + 352 3 CoreFoundation 0x2554f298 _CF_forwarding_prep_0 + 24 4 CoreFoundation 0x25626664 __invoking___ + 68 5 CoreFoundation 0x2554b8bd -[NSInvocation invoke] + 292 6 WebCore 0x28d6b84b HandleDelegateSource(void*) + 90 7 CoreFoundation 0x255e39e7 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14 8 CoreFoundation 0x255e3569 __CFRunLoopDoSources0 + 344 9 CoreFoundation 0x255e193f __CFRunLoopRun + 806 10 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 11 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 12 UIFoundation 0x29bb5837 -[NSHTMLReader _loadUsingWebKit] + 2038 13 Foundation 0x25e4e887 __NSThreadPerformPerform + 386 14 CoreFoundation 0x255e39e7 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14 15 CoreFoundation 0x255e3569 __CFRunLoopDoSources0 + 344 16 CoreFoundation 0x255e193f __CFRunLoopRun + 806 17 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 18 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 19 GraphicsServices 0x26b4caf9 GSEventRunModal + 160 20 UIKit 0x29c68435 UIApplicationMain + 144 21 MyProjectName 0x1446e5 main (main.m:14) 22 libdispatch.dylib 0x251dc873 (Missing) -- #0. Crashed: com.apple.main-thread 0 libobjc.A.dylib 0x24deba86 objc_msgSend + 5 1 WebKitLegacy 0x29945e17 -[_WebSafeForwarder forwardInvocation:] + 190 2 CoreFoundation 0x25624f4d ___forwarding___ + 352 3 CoreFoundation 0x2554f298 _CF_forwarding_prep_0 + 24 4 CoreFoundation 0x25626664 __invoking___ + 68 5 CoreFoundation 0x2554b8bd -[NSInvocation invoke] + 292 6 WebCore 0x28d6b84b HandleDelegateSource(void*) + 90 7 CoreFoundation 0x255e39e7 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14 8 CoreFoundation 0x255e3569 __CFRunLoopDoSources0 + 344 9 CoreFoundation 0x255e193f __CFRunLoopRun + 806 10 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 11 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 12 UIFoundation 0x29bb5837 -[NSHTMLReader _loadUsingWebKit] + 2038 13 Foundation 0x25e4e887 __NSThreadPerformPerform + 386 14 CoreFoundation 0x255e39e7 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14 15 CoreFoundation 0x255e3569 __CFRunLoopDoSources0 + 344 16 CoreFoundation 0x255e193f __CFRunLoopRun + 806 17 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 18 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 19 GraphicsServices 0x26b4caf9 GSEventRunModal + 160 20 UIKit 0x29c68435 UIApplicationMain + 144 21 MyProjectName 0x1446e5 main (main.m:14) 22 libdispatch.dylib 0x251dc873 (Missing) #2. com.twitter.crashlytics.ios.MachExceptionServer 0 MyProjectName 0x157cdd CLSProcessRecordAllThreads + 1015005 1 MyProjectName 0x157cdd CLSProcessRecordAllThreads + 1015005 2 MyProjectName 0x157ef5 CLSProcessRecordAllThreads + 1015541 3 MyProjectName 0x14c52b CLSHandler + 967979 4 MyProjectName 0x148249 CLSMachExceptionServer + 950857 5 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 6 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 7 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #3. GAIThread 0 libsystem_kernel.dylib 0x2529b8a8 mach_msg_trap + 20 1 libsystem_kernel.dylib 0x2529b6a9 mach_msg + 40 2 CoreFoundation 0x255e36ad __CFRunLoopServiceMachPort + 136 3 CoreFoundation 0x255e1a33 __CFRunLoopRun + 1050 4 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 5 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 6 Foundation 0x25d7d42d -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 268 7 Foundation 0x25dcbd75 -[NSRunLoop(NSRunLoop) run] + 80 8 MyProjectName 0x1d58c5 +[GAI threadMain:] + 1530053 9 Foundation 0x25e4e64d __NSThread__start__ + 1144 10 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 11 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 12 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #4. com.apple.NSURLConnectionLoader 0 libsystem_kernel.dylib 0x2529b8a8 mach_msg_trap + 20 1 libsystem_kernel.dylib 0x2529b6a9 mach_msg + 40 2 CoreFoundation 0x255e36ad __CFRunLoopServiceMachPort + 136 3 CoreFoundation 0x255e1a33 __CFRunLoopRun + 1050 4 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 5 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 6 CFNetwork 0x25b85c47 +[NSURLConnection(Loader) _resourceLoadLoop:] + 486 7 Foundation 0x25e4e64d __NSThread__start__ + 1144 8 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 9 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 10 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #5. com.apple.CFSocket.private 0 libsystem_kernel.dylib 0x252afeec __select + 20 1 CoreFoundation 0x255e8b51 __CFSocketManager + 572 2 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 3 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 4 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #6. AFNetworking 0 libsystem_kernel.dylib 0x2529b8a8 mach_msg_trap + 20 1 libsystem_kernel.dylib 0x2529b6a9 mach_msg + 40 2 CoreFoundation 0x255e36ad __CFRunLoopServiceMachPort + 136 3 CoreFoundation 0x255e1a33 __CFRunLoopRun + 1050 4 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 5 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 6 Foundation 0x25d7d42d -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 268 7 Foundation 0x25dcbd75 -[NSRunLoop(NSRunLoop) run] + 80 8 MyProjectName 0x29d30f +[AFURLConnectionOperation networkRequestThreadEntryPoint:] (AFURLConnectionOperation.m:168) 9 Foundation 0x25e4e64d __NSThread__start__ + 1144 10 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 11 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 12 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #7. WebThread 0 libsystem_kernel.dylib 0x252af998 __psynch_cvwait + 24 1 libsystem_pthread.dylib 0x253541a5 _pthread_cond_wait + 536 2 libsystem_pthread.dylib 0x253550f9 pthread_cond_timedwait + 44 3 WebCore 0x28d57f57 SendDelegateMessage(NSInvocation*) + 678 4 WebKitLegacy 0x29978265 CallFrameLoadDelegate(void (*)(), WebView*, objc_selector*, objc_object*) + 172 5 WebKitLegacy 0x29947877 WebFrameLoaderClient::dispatchDidFinishLoad() + 158 6 WebCore 0x28d290af WebCore::FrameLoader::checkLoadCompleteForThisFrame() + 382 7 WebCore 0x28d28e75 WebCore::FrameLoader::checkLoadComplete() + 280 8 WebCore 0x28d55bf1 WebCore::FrameLoader::checkCompleted() + 316 9 WebCore 0x28d5504b WebCore::FrameLoader::finishedParsing() + 102 10 WebCore 0x28d54f59 WebCore::Document::finishedParsing() + 312 11 WebCore 0x28d5270b WebCore::HTMLDocumentParser::prepareToStopParsing() + 118 12 WebCore 0x28dddbcb WebCore::HTMLDocumentParser::resumeParsingAfterYield() + 102 13 WebCore 0x28cff4a1 WebCore::ThreadTimers::sharedTimerFiredInternal() + 136 14 WebCore 0x28cff3f5 WebCore::timerFired(__CFRunLoopTimer*, void*) + 28 15 CoreFoundation 0x255e4177 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 14 16 CoreFoundation 0x255e3da9 __CFRunLoopDoTimer + 936 17 CoreFoundation 0x255e1bf5 __CFRunLoopRun + 1500 18 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 19 CoreFoundation 0x2552ffbd CFRunLoopRunInMode + 108 20 WebCore 0x28d457b7 RunWebThread(void*) + 422 21 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 22 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 23 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #8. JavaScriptCore::Marking 0 libsystem_kernel.dylib 0x252af998 __psynch_cvwait + 24 1 libsystem_pthread.dylib 0x253541a5 _pthread_cond_wait + 536 2 libsystem_pthread.dylib 0x253550b9 pthread_cond_wait + 40 3 libc++.1.dylib 0x24d7469d std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 36 4 JavaScriptCore 0x2891a781 JSC::GCThread::waitForNextPhase() + 104 5 JavaScriptCore 0x2891a7ef JSC::GCThread::gcThreadMain() + 62 6 JavaScriptCore 0x287269e1 WTF::threadEntryPoint(void*) + 148 7 JavaScriptCore 0x2872693f WTF::wtfThreadEntryPoint(void*) + 14 8 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 9 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 10 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #9. NSOperationQueue 0x15e6cc20 :: NSOperation 0x15d230e0 (QOS: USER_INTERACTIVE) 0 libsystem_kernel.dylib 0x2529b8f8 semaphore_wait_trap + 8 1 libsystem_platform.dylib 0x2534f289 _os_semaphore_wait + 12 2 libdispatch.dylib 0x251bcc6d _dispatch_barrier_sync_f_slow + 372 3 MyProjectName 0x27dd8f __69-[SDWebImageManager downloadImageWithURL:options:progress:completed:]_block_invoke98 (SDWebImageManager.m:189) 4 MyProjectName 0x275e71 __72-[SDWebImageDownloader downloadImageWithURL:options:progress:completed:]_block_invoke93 (SDWebImageDownloader.m:163) 5 MyProjectName 0x27a8fb -[SDWebImageDownloaderOperation connection:didFailWithError:] (SDWebImageDownloaderOperation.m:419) 6 CFNetwork 0x25c683a1 __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke + 56 7 CFNetwork 0x25c68359 -[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:] + 184 8 CFNetwork 0x25c6847d -[NSURLConnectionInternal _withConnectionAndDelegate:] + 36 9 CFNetwork 0x25c44125 _NSURLConnectionDidFail(_CFURLConnection*, __CFError*, void const*) + 84 10 CFNetwork 0x25be3203 ___ZN27URLConnectionClient_Classic17_delegate_didFailEP9__CFErrorU13block_pointerFvvE_block_invoke + 86 11 CFNetwork 0x25be1a83 ___ZN27URLConnectionClient_Classic18_withDelegateAsyncEPKcU13block_pointerFvP16_CFURLConnectionPK33CFURLConnectionClientCurrent_VMaxE_block_invoke_2 + 70 12 libdispatch.dylib 0x251b3cab _dispatch_client_callout + 22 13 libdispatch.dylib 0x251bb543 _dispatch_block_invoke + 450 14 CFNetwork 0x25b13e83 RunloopBlockContext::_invoke_block(void const*, void*) + 18 15 CoreFoundation 0x2552fc09 CFArrayApplyFunction + 36 16 CFNetwork 0x25b13d6b RunloopBlockContext::perform() + 182 17 CFNetwork 0x25b13c35 MultiplexerSource::perform() + 216 18 CFNetwork 0x25b13ac9 MultiplexerSource::_perform(void*) + 48 19 CoreFoundation 0x255e39e7 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14 20 CoreFoundation 0x255e35d7 __CFRunLoopDoSources0 + 454 21 CoreFoundation 0x255e193f __CFRunLoopRun + 806 22 CoreFoundation 0x255301c9 CFRunLoopRunSpecific + 516 23 CoreFoundation 0x25570f23 CFRunLoopRun + 98 24 MyProjectName 0x27779b -[SDWebImageDownloaderOperation start] (SDWebImageDownloaderOperation.m:117) 25 Foundation 0x25e38b0d __NSOQSchedule_f + 192 26 libdispatch.dylib 0x251bde7f _dispatch_queue_drain + 1762 27 libdispatch.dylib 0x251b6e17 _dispatch_queue_invoke + 282 28 libdispatch.dylib 0x251bf20d _dispatch_root_queue_drain + 400 29 libdispatch.dylib 0x251bf07b _dispatch_worker_thread3 + 94 30 libsystem_pthread.dylib 0x25352e0d _pthread_wqthread + 1024 31 libsystem_pthread.dylib 0x253529fc start_wqthread + 8 #10. com.apple.root.default-qos 0 libsystem_kernel.dylib 0x252af998 __psynch_cvwait + 24 1 libsystem_pthread.dylib 0x253541a5 _pthread_cond_wait + 536 2 libsystem_pthread.dylib 0x253550b9 pthread_cond_wait + 40 3 Foundation 0x25dc840f -[NSCondition wait] + 194 4 Foundation 0x25d8f40b -[NSObject(NSThreadPerformAdditions) performSelector:onThread:withObject:waitUntilDone:modes:] + 850 5 Foundation 0x25d92be1 -[NSObject(NSThreadPerformAdditions) performSelectorOnMainThread:withObject:waitUntilDone:] + 136 6 UIFoundation 0x29bb611f -[NSHTMLReader _load] + 386 7 UIFoundation 0x29bb6b21 -[NSHTMLReader attributedString] + 24 8 UIFoundation 0x29b5ac35 _NSReadAttributedStringFromURLOrData + 5304 9 UIFoundation 0x29b596f5 -[NSAttributedString(NSAttributedStringUIFoundationAdditions) initWithData:options:documentAttributes:error:] + 116 10 MyProjectName 0x19cecf -[MyStaticLibrary handleHTMLCharactersForTitle:] (MyStaticLibrary.m:3132) 11 MyProjectName 0x1a8905 __47-[MyNetworkRequest onHTTPSuccessWithResponse:]_block_invoke143 (MyNetworkRequest.m:484) 12 libdispatch.dylib 0x251b3cbf _dispatch_call_block_and_release + 10 13 libdispatch.dylib 0x251bf6a1 _dispatch_root_queue_drain + 1572 14 libdispatch.dylib 0x251bf07b _dispatch_worker_thread3 + 94 15 libsystem_pthread.dylib 0x25352e0d _pthread_wqthread + 1024 16 libsystem_pthread.dylib 0x253529fc start_wqthread + 8 #11. Thread 0 libsystem_kernel.dylib 0x252afffc __semwait_signal + 24 1 libsystem_c.dylib 0x25203bcd nanosleep + 172 2 libc++.1.dylib 0x24db38f5 std::__1::this_thread::sleep_for(std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000000000ll> > const&) + 136 3 JavaScriptCore 0x28ad9b01 bmalloc::Heap::scavenge(std::__1::unique_lock<bmalloc::StaticMutex>&, std::__1::chrono::duration<long long, std::__1::ratio<1ll, 1000ll> >) + 256 4 JavaScriptCore 0x28ad98eb bmalloc::Heap::concurrentScavenge() + 78 5 JavaScriptCore 0x28adb7b7 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::entryPoint() + 98 6 JavaScriptCore 0x28adb751 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::pthreadEntryPoint(void*) + 8 7 libsystem_pthread.dylib 0x25354c7f _pthread_body + 138 8 libsystem_pthread.dylib 0x25354bf3 _pthread_start + 110 9 libsystem_pthread.dylib 0x25352a08 thread_start + 8 #12. Thread 0 libsystem_pthread.dylib 0x253529f4 start_wqthread + 14 #13. Thread 0 libsystem_kernel.dylib 0x252b0864 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x25352e19 _pthread_wqthread + 1036 2 libsystem_pthread.dylib 0x253529fc start_wqthread + 8 #14. Thread 0 libsystem_kernel.dylib 0x252b0864 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x25352e19 _pthread_wqthread + 1036 2 libsystem_pthread.dylib 0x253529fc start_wqthread + 8 #15. PLClientLoggingFlushQueue 0 libsystem_platform.dylib 0x2534e96a _platform_memmove + 105 1 CoreFoundation 0x2553f0c7 CFStringGetBytes + 634 2 CoreFoundation 0x2553f0c7 CFStringGetBytes + 634 3 CoreFoundation 0x25677ab9 __writeObject15 + 324 4 CoreFoundation 0x2567841d __writeObject15 + 2728 5 CoreFoundation 0x2567841d __writeObject15 + 2728 6 CoreFoundation 0x2567841d __writeObject15 + 2728 7 CoreFoundation 0x2567841d __writeObject15 + 2728 8 CoreFoundation 0x2567841d __writeObject15 + 2728 9 CoreFoundation 0x256777ad __CFBinaryPlistWrite15 + 152 10 CoreFoundation 0x255729cf _CFXPCCreateXPCMessageWithCFObject + 118 11 PowerLog 0x2707ab4f -[PLClientLogger xpcSendMessage:withClientID:withKey:withPayload:] + 86 12 PowerLog 0x2707bd85 -[PLClientLogger batchTasksCacheFlush] + 500 13 libdispatch.dylib 0x251b3cbf _dispatch_call_block_and_release + 10 14 libdispatch.dylib 0x251bd3cf _dispatch_after_timer_callback + 66 15 libdispatch.dylib 0x251c65bb _dispatch_source_latch_and_call + 2042 16 libdispatch.dylib 0x251b5bff _dispatch_source_invoke + 738 17 libdispatch.dylib 0x251bd9ed _dispatch_queue_drain + 592 18 libdispatch.dylib 0x251b6e17 _dispatch_queue_invoke + 282 19 libdispatch.dylib 0x251bf20d _dispatch_root_queue_drain + 400 20 libdispatch.dylib 0x251bf07b _dispatch_worker_thread3 + 94 21 libsystem_pthread.dylib 0x25352e0d _pthread_wqthread + 1024 22 libsystem_pthread.dylib 0x253529fc start_wqthread + 8 

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