Crash KVO_IS_RETAINING_ALL_OBSERVERS_OF_THIS_OBJECT_IF_IT_CRASHES_AN_OBSERVER_WAS_OVERRELEASED_OR_SMASHED - swift

I'm seeing crashes in my crash log, but I have yet to experience a crash directly. I've searched everything and tried everything but I'm stuck.
Any ideas on why I'm getting these in my crash logs?
Crash log
CrashReporter Key: d42015aa3717735a5388beca859904bc83c7d8a1
Hardware Model: iPhone9,2
Process: Waterspeed [9082]
Path: /private/var/containers/Bundle/Application/60208DDD-0A10-41FE-B309-56CF3CCB0E45/Waterspeed.app/Waterspeed
Identifier: TNT.Waterspeed
Version: 23 (2.9.28)
AppStoreTools: 10G3
AppVariant: 1:iPhone9,2:12.2
Code Type: ARM-64 (Native)
Role: Non UI
Parent Process: launchd [1]
Coalition: TNT.Waterspeed [2182]
Date/Time: 2019-07-22 19:20:09.0959 -1000
Launch Time: 2019-07-21 23:14:01.7633 -1000
OS Version: iPhone OS 12.3.1 (16F203)
Baseband Version: 5.60.01
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000fbcae9b80
VM Region Info: 0xfbcae9b80 is not in any region. Bytes after previous region: 56315779969
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
MALLOC_NANO 0000000280000000-00000002a0000000 [512.0M] rw-/rwx SM=PRV
--->
UNUSED SPACE AT END
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [9082]
Triggered by Thread: 0
Thread 0 name:
Thread 0 Crashed:
0 libobjc.A.dylib 0x00000001fdcf60e0 object_isClass + 16 (objc-runtime-new.h:976)
1 Foundation 0x00000001ff56a8d0 KVO_IS_RETAINING_ALL_OBSERVERS_OF_THIS_OBJECT_IF_IT_CRASHES_AN_OBSERVER_WAS_OVERRELEASED_OR_SMASHED + 64 (NSKeyValueObserving.m:1122)
2 Foundation 0x00000001ff568170 NSKeyValueWillChangeWithPerThreadPendingNotifications.llvm.9306004367141260615 + 304 (NSKeyValueObserving.m:1152)
3 Foundation 0x00000001ff4e1d44 -[NSProgress _setValueForKeys:settingBlock:] + 264 (NSProgress.m:773)
4 Foundation 0x00000001ff4ff424 -[NSProgress _setRemoteValues:forKeys:] + 192 (NSProgress.m:2347)
5 Foundation 0x00000001ff6b3020 __45-[_NSProgressProxy _setRemoteValues:forKeys:]_block_invoke + 64 (NSProgressSubscriber.m:118)
6 CoreFoundation 0x00000001feaaee68 __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 20 (CFRunLoop.c:1838)
7 CoreFoundation 0x00000001feaae76c __CFRunLoopDoBlocks + 272 (CFRunLoop.c:1879)
8 CoreFoundation 0x00000001feaa9cd8 __CFRunLoopRun + 2312 (CFRunLoop.c:3178)
9 CoreFoundation 0x00000001feaa90b0 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3247)
10 GraphicsServices 0x0000000200ca979c GSEventRunModal + 104 (GSEvent.c:2245)
11 UIKitCore 0x000000022b457978 UIApplicationMain + 212 (UIApplication.m:4353)
12 Waterspeed 0x0000000102d95068 main + 68 (LoginViewController.swift:34)
13 libdyld.dylib 0x00000001fe56e8e0 start + 4
Thread 1 name:
Thread 1:
0 libsystem_kernel.dylib 0x00000001fe6af0f4 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001fe6ae5a0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001feaaea10 __CFRunLoopServiceMachPort + 236 (CFRunLoop.c:2615)
3 CoreFoundation 0x00000001feaa9920 __CFRunLoopRun + 1360 (CFRunLoop.c:2971)
4 CoreFoundation 0x00000001feaa90b0 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3247)
5 Foundation 0x00000001ff476fac -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 300 (NSRunLoop.m:367)
6 Foundation 0x00000001ff476e3c -[NSRunLoop(NSRunLoop) runUntilDate:] + 96 (NSRunLoop.m:411)
7 UIKitCore 0x000000022b53d494 -[UIEventFetcher threadMain] + 136 (UIEventFetcher.m:606)
8 Foundation 0x00000001ff5a36a4 __NSThread__start__ + 984 (NSThread.m:1175)
9 libsystem_pthread.dylib 0x00000001fe73c2c0 _pthread_body + 128 (pthread.c:857)
10 libsystem_pthread.dylib 0x00000001fe73c220 _pthread_start + 44 (pthread.c:884)
11 libsystem_pthread.dylib 0x00000001fe73fcdc thread_start + 4
Thread 2 name:
Thread 2:
0 libsystem_kernel.dylib 0x00000001fe6bc920 write + 8
1 Waterspeed 0x0000000102f50cb4 CLSSDKFileLog + 288 (CLSInternalLogging.c:0)
2 Waterspeed 0x0000000102f48388 CLSMachExceptionServer + 912 (CLSMachException.c:249)
3 libsystem_pthread.dylib 0x00000001fe73c2c0 _pthread_body + 128 (pthread.c:857)
4 libsystem_pthread.dylib 0x00000001fe73c220 _pthread_start + 44 (pthread.c:884)
5 libsystem_pthread.dylib 0x00000001fe73fcdc thread_start + 4
Thread 3 name:
Thread 3:
0 libsystem_kernel.dylib 0x00000001fe6af0f4 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001fe6ae5a0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001feaaea10 __CFRunLoopServiceMachPort + 236 (CFRunLoop.c:2615)
3 CoreFoundation 0x00000001feaa9920 __CFRunLoopRun + 1360 (CFRunLoop.c:2971)
4 CoreFoundation 0x00000001feaa90b0 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3247)
5 CFNetwork 0x00000001ff0c274c -[__CoreSchedulingSetRunnable runForever] + 216 (CoreSchedulingSet.mm:1365)
6 Foundation 0x00000001ff5a36a4 __NSThread__start__ + 984 (NSThread.m:1175)
7 libsystem_pthread.dylib 0x00000001fe73c2c0 _pthread_body + 128 (pthread.c:857)
8 libsystem_pthread.dylib 0x00000001fe73c220 _pthread_start + 44 (pthread.c:884)
9 libsystem_pthread.dylib 0x00000001fe73fcdc thread_start + 4
Thread 4 name:
Thread 4:
0 libsystem_kernel.dylib 0x00000001fe6af0f4 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001fe6ae5a0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001feaaea10 __CFRunLoopServiceMachPort + 236 (CFRunLoop.c:2615)
3 CoreFoundation 0x00000001feaa9920 __CFRunLoopRun + 1360 (CFRunLoop.c:2971)
4 CoreFoundation 0x00000001feaa90b0 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3247)
5 Foundation 0x00000001ff476fac -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 300 (NSRunLoop.m:367)
6 Waterspeed 0x000000010301e8d0 -[_FSRRunLoopThread main] + 252 (FSRWebSocket.m:1843)
7 Foundation 0x00000001ff5a36a4 __NSThread__start__ + 984 (NSThread.m:1175)
8 libsystem_pthread.dylib 0x00000001fe73c2c0 _pthread_body + 128 (pthread.c:857)
9 libsystem_pthread.dylib 0x00000001fe73c220 _pthread_start + 44 (pthread.c:884)
10 libsystem_pthread.dylib 0x00000001fe73fcdc thread_start + 4
Thread 5 name:
Thread 5:
0 libsystem_kernel.dylib 0x00000001fe6ba328 __select + 8
1 CoreFoundation 0x00000001feab76f4 __CFSocketManager + 620 (CFSocket.c:2242)
2 libsystem_pthread.dylib 0x00000001fe73c2c0 _pthread_body + 128 (pthread.c:857)
3 libsystem_pthread.dylib 0x00000001fe73c220 _pthread_start + 44 (pthread.c:884)
4 libsystem_pthread.dylib 0x00000001fe73fcdc thread_start + 4
Thread 6 name:
Thread 6:
0 libsystem_kernel.dylib 0x00000001fe6bb93c kevent_id + 8
1 libdispatch.dylib 0x00000001fe51bbf0 _dispatch_kq_poll + 332 (event_kevent.c:718)
2 libdispatch.dylib 0x00000001fe51b114 _dispatch_event_loop_poke$VARIANT$mp + 476 (event_kevent.c:1644)
3 Foundation 0x00000001ff4fb080 -[NSFileAccessArbiterProxy revokeAccessClaimForID:] + 84 (NSFileAccessArbiter.m:2232)
4 Foundation 0x00000001ff660af0 __98-[NSFileCoordinator(NSPrivate) _withAccessArbiter:invokeAccessor:orDont:andRelinquishAccessCl... + 232 (NSFileCoordinator.m:960)
5 Foundation 0x00000001ff660cc0 __85-[NSFileCoordinator(NSPrivate) _coordinateReadingItemAtURL:options:error:byAccessor:]_block_i... + 28 (NSFileCoordinator.m:1014)
6 Foundation 0x00000001ff4e95a4 -[NSFileCoordinatorAccessorBlockCompletion decrement] + 76 (NSFileCoordinator.m:2245)
7 Foundation 0x00000001ff4d8f48 -[NSFileCoordinator _invokeAccessor:thenCompletionHandler:] + 164 (NSFileCoordinator.m:470)
8 Foundation 0x00000001ff65fbc0 __73-[NSFileCoordinator coordinateReadingItemAtURL:options:error:byAccessor:]_block_invoke + 88 (NSFileCoordinator.m:483)
9 Foundation 0x00000001ff660c98 __85-[NSFileCoordinator(NSPrivate) _coordinateReadingItemAtURL:options:error:byAccessor:]_block_i... + 108 (NSFileCoordinator.m:1013)
10 Foundation 0x00000001ff4d9160 -[NSFileCoordinator(NSPrivate) _withAccessArbiter:invokeAccessor:orDont:andRelinquishAccessClaim:] + 452 (NSFileCoordinator.m:943)
11 Foundation 0x00000001ff4da138 -[NSFileCoordinator(NSPrivate) _coordinateReadingItemAtURL:options:error:byAccessor:] + 776 (NSFileCoordinator.m:1008)
12 Foundation 0x00000001ff4d9e24 -[NSFileCoordinator coordinateReadingItemAtURL:options:error:byAccessor:] + 76 (NSFileCoordinator.m:480)
13 WatchConnectivity 0x0000000220177b1c -[WCContentIndex loadContentIfNecessary] + 808 (WCContentIndex.m:66)
14 Foundation 0x00000001ff647ec4 __74-[NSFilePresenterXPCMessenger _makePresenter:observeChangeWithSubitemURL:]_block_invoke_2 + 48 (NSFileAccessArbiter.m:3360)
15 Foundation 0x00000001ff66662c __95-[NSOperationQueue(NSFileCoordinationSupport) _fc_addUncancellableOperationForReactorID:block... + 140 (NSFileCoordinator.m:2427)
16 Foundation 0x00000001ff581ef8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 16 (NSOperation.m:1559)
17 Foundation 0x00000001ff48e3e0 -[NSBlockOperation main] + 72 (NSOperation.m:1578)
18 Foundation 0x00000001ff48d8c8 -[__NSOperationInternal _start:] + 740 (NSOperation.m:907)
19 Foundation 0x00000001ff583c7c __NSOQSchedule_f + 272 (NSOperation.m:2165)
20 libdispatch.dylib 0x00000001fe55ca38 _dispatch_call_block_and_release + 24 (init.c:1372)
21 libdispatch.dylib 0x00000001fe55d7d4 _dispatch_client_callout + 16 (object.m:511)
22 libdispatch.dylib 0x00000001fe502018 _dispatch_continuation_pop$VARIANT$mp + 412 (inline_internal.h:2441)
23 libdispatch.dylib 0x00000001fe5016dc _dispatch_async_redirect_invoke + 600 (queue.c:796)
24 libdispatch.dylib 0x00000001fe50e02c _dispatch_root_queue_drain + 372 (inline_internal.h:2482)
25 libdispatch.dylib 0x00000001fe50e8d0 _dispatch_worker_thread2 + 128 (queue.c:6072)
26 libsystem_pthread.dylib 0x00000001fe73d1b4 _pthread_wqthread + 464 (pthread.c:2361)
27 libsystem_pthread.dylib 0x00000001fe73fcd4 start_wqthread + 4
Thread 7:
0 libsystem_pthread.dylib 0x00000001fe73fcd0 start_wqthread + 0
Thread 8:
0 libsystem_pthread.dylib 0x00000001fe73fcd0 start_wqthread + 0
Thread 9 name:
Thread 9:
0 libsystem_kernel.dylib 0x00000001fe6b9f2c __psynch_mutexwait + 8
1 libsystem_pthread.dylib 0x00000001fe735a84 _pthread_mutex_firstfit_lock_wait + 92 (pthread_mutex.c:1228)
2 libsystem_pthread.dylib 0x00000001fe7359f4 _pthread_mutex_firstfit_lock_slow$VARIANT$mp + 272 (pthread_mutex.c:1304)
3 Foundation 0x00000001ff478d44 -[NSObject(NSKeyValueObserverRegistration) addObserver:forKeyPath:options:context:] + 64 (NSKeyValueObserving.m:68)
4 WatchConnectivity 0x00000002201650a0 -[WCSession onqueue_updateProgressForFileTransfer:progress:] + 280 (WCSession.m:517)
5 WatchConnectivity 0x0000000220164c9c __51-[WCSession onqueue_createProgressForFileTransfer:]_block_invoke_2 + 44 (WCSession.m:496)
6 Foundation 0x00000001ff581ef8 __NSBLOCKOPERATION_IS_CALLING_OUT_TO_A_BLOCK__ + 16 (NSOperation.m:1559)
7 Foundation 0x00000001ff48e3e0 -[NSBlockOperation main] + 72 (NSOperation.m:1578)
8 Foundation 0x00000001ff48d8c8 -[__NSOperationInternal _start:] + 740 (NSOperation.m:907)
9 Foundation 0x00000001ff583c7c __NSOQSchedule_f + 272 (NSOperation.m:2165)
10 libdispatch.dylib 0x00000001fe50b7f0 _dispatch_block_async_invoke2 + 104 (queue.c:518)
11 libdispatch.dylib 0x00000001fe55d7d4 _dispatch_client_callout + 16 (object.m:511)
12 libdispatch.dylib 0x00000001fe502018 _dispatch_continuation_pop$VARIANT$mp + 412 (inline_internal.h:2441)
13 libdispatch.dylib 0x00000001fe5016dc _dispatch_async_redirect_invoke + 600 (queue.c:796)
14 libdispatch.dylib 0x00000001fe50e02c _dispatch_root_queue_drain + 372 (inline_internal.h:2482)
15 libdispatch.dylib 0x00000001fe50e8d0 _dispatch_worker_thread2 + 128 (queue.c:6072)
16 libsystem_pthread.dylib 0x00000001fe73d1b4 _pthread_wqthread + 464 (pthread.c:2361)
17 libsystem_pthread.dylib 0x00000001fe73fcd4 start_wqthread + 4
Thread 10:
0 libsystem_pthread.dylib 0x00000001fe73fcd0 start_wqthread + 0
Thread 11:
0 libsystem_pthread.dylib 0x00000001fe73fcd0 start_wqthread + 0
Thread 12:
0 libsystem_pthread.dylib 0x00000001fe73fcd0 start_wqthread + 0
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x00000002833a9b60 x1: 0x000000016d0768d0 x2: 0x000000016d0768e0 x3: 0x0000000000000000
x4: 0x0000000000000003 x5: 0x0000000000000000 x6: 0x00000002833b5320 x7: 0x000000023665c000
x8: 0x0000000fbcae9b60 x9: 0x0000000000000008 x10: 0x00000001fea19e54 x11: 0x0000002a0000007f
x12: 0x0000000104918f60 x13: 0x000001a238c5ba41 x14: 0x0000000000000000 x15: 0x0000030000000302
x16: 0x0000000238c5ba40 x17: 0x00000001fea19d00 x18: 0x0000000000000000 x19: 0x000000016d0768d0
x20: 0x0000000000000003 x21: 0x000000022b98d9bf x22: 0x00000002833a9b60 x23: 0x000000023665c000
x24: 0x0000000000000000 x25: 0x0000000283d85bc0 x26: 0x0000000000000003 x27: 0x000000016d0768d0
x28: 0x0000000000000000 fp: 0x000000016d0768c0 lr: 0x00000001ff56a8d0
sp: 0x000000016d076890 pc: 0x00000001fdcf60e0 cpsr: 0x20000000

Related

iOS Crash in CLSTerminateHandler()

I'm getting this crash from many devices using my app. I can't see where is the error since Xcode doesn't select any line in the code and the backtrace of the log is quite confusing for me.
The Xcode Organizer selects the error on CLSTerminateHandler(), but can see where in my project.
Here's the crash log:
Date/Time: 2020-01-27 14:10:51.6942 +0800
Launch Time: 2020-01-27 14:10:03.8467 +0800
OS Version: iPhone OS 13.3 (17C54)
Release Type: User
Baseband Version: 7.30.02
Report Version: 104
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 4
Thread 0 name:
Thread 0:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001b7670288 __CFRunLoopServiceMachPort + 216 (CFRunLoop.c:2575)
3 CoreFoundation 0x00000001b766b3a8 __CFRunLoopRun + 1444 (CFRunLoop.c:2931)
4 CoreFoundation 0x00000001b766aadc CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
5 GraphicsServices 0x00000001c15f0328 GSEventRunModal + 104 (GSEvent.c:2246)
6 UIKitCore 0x00000001bb765ae0 UIApplicationMain + 1936 (UIApplication.m:4773)
7 StickersCreator 0x00000001048f3cac main + 68 (AppDelegate.swift:19)
8 libdyld.dylib 0x00000001b74f4360 start + 4
Thread 1 name:
Thread 1:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001b7670288 __CFRunLoopServiceMachPort + 216 (CFRunLoop.c:2575)
3 CoreFoundation 0x00000001b766b3a8 __CFRunLoopRun + 1444 (CFRunLoop.c:2931)
4 CoreFoundation 0x00000001b766aadc CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
5 Foundation 0x00000001b79aa7f4 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 228 (NSRunLoop.m:374)
6 Foundation 0x00000001b79aa6d4 -[NSRunLoop(NSRunLoop) runUntilDate:] + 88 (NSRunLoop.m:421)
7 UIKitCore 0x00000001bb7fe204 -[UIEventFetcher threadMain] + 152 (UIEventFetcher.m:637)
8 Foundation 0x00000001b7adb0a4 __NSThread__start__ + 848 (NSThread.m:724)
9 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
10 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 2 name:
Thread 2:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 StickersCreator 0x000000010495f918 CLSMachExceptionServer + 100
3 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
4 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 3:
0 libsystem_pthread.dylib 0x00000001b7411758 start_wqthread + 0
Thread 4 name:
Thread 4 Crashed:
0 libsystem_kernel.dylib 0x00000001b74e9ec4 __pthread_kill + 8
1 libsystem_pthread.dylib 0x00000001b74051d8 pthread_kill$VARIANT$mp + 136 (pthread.c:1458)
2 libsystem_c.dylib 0x00000001b73598c0 __abort + 112 (abort.c:147)
3 libsystem_c.dylib 0x00000001b7359850 abort + 112 (abort.c:118)
4 libc++abi.dylib 0x00000001b74b27d4 abort_message + 128 (abort_message.cpp:76)
5 libc++abi.dylib 0x00000001b74b29ac demangling_terminate_handler() + 272 (cxa_default_handlers.cpp:61)
6 libobjc.A.dylib 0x00000001b741a268 _objc_terminate() + 140 (objc-exception.mm:704)
7 StickersCreator 0x0000000104972730 CLSTerminateHandler() + 348
8 libc++abi.dylib 0x00000001b74bf304 std::__terminate(void (*)()) + 16 (cxa_handlers.cpp:59)
9 libc++abi.dylib 0x00000001b74bf29c std::terminate() + 44 (cxa_handlers.cpp:87)
10 libdispatch.dylib 0x00000001b73bf198 _dispatch_client_callout + 36 (object.m:498)
11 libdispatch.dylib 0x00000001b73676f8 _dispatch_queue_override_invoke + 684 (inline_internal.h:2484)
12 libdispatch.dylib 0x00000001b7373fa4 _dispatch_root_queue_drain + 376 (inline_internal.h:2525)
13 libdispatch.dylib 0x00000001b7374770 _dispatch_worker_thread2 + 128 (queue.c:6628)
14 libsystem_pthread.dylib 0x00000001b740eb48 _pthread_wqthread + 212 (pthread.c:2364)
15 libsystem_pthread.dylib 0x00000001b7411760 start_wqthread + 8
Thread 5 name:
Thread 5:
0 libsystem_kernel.dylib 0x00000001b74e9c94 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001b7406cf8 _pthread_cond_wait$VARIANT$mp + 680 (pthread_cond.c:591)
2 libc++.1.dylib 0x00000001b753c7a8 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 24 (__threading_support:287)
3 JavaScriptCore 0x00000001c646d22c void std::__1::condition_variable_any::wait<std::__1::unique_lock<bmalloc::Mutex> >(std::__1::uni... + 108 (condition_variable:204)
4 JavaScriptCore 0x00000001c6470bfc bmalloc::Scavenger::threadRunLoop() + 200 (condition_variable:213)
5 JavaScriptCore 0x00000001c64708e4 bmalloc::Scavenger::threadEntryPoint(bmalloc::Scavenger*) + 12 (Scavenger.cpp:384)
6 JavaScriptCore 0x00000001c6471bf0 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, st... + 40 (type_traits:4361)
7 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
8 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 6 name:
Thread 6:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001b7670288 __CFRunLoopServiceMachPort + 216 (CFRunLoop.c:2575)
3 CoreFoundation 0x00000001b766b3a8 __CFRunLoopRun + 1444 (CFRunLoop.c:2931)
4 CoreFoundation 0x00000001b766aadc CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
5 WebCore 0x00000001bf63317c RunWebThread(void*) + 612 (WebCoreThread.mm:626)
6 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
7 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 7:
0 libsystem_pthread.dylib 0x00000001b7411758 start_wqthread + 0
Thread 8 name:
Thread 8:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001b7670288 __CFRunLoopServiceMachPort + 216 (CFRunLoop.c:2575)
3 CoreFoundation 0x00000001b766b3a8 __CFRunLoopRun + 1444 (CFRunLoop.c:2931)
4 CoreFoundation 0x00000001b766aadc CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
5 AVFAudio 0x00000001c4230c1c GenericRunLoopThread::Entry(void*) + 156 (GenericRunLoopThread.h:91)
6 AVFAudio 0x00000001c4281d60 CAPThread::Entry(CAPThread*) + 204 (CAPThread.cpp:286)
7 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
8 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 9 name:
Thread 9:
0 libsystem_kernel.dylib 0x00000001b74e9c94 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001b7406cf8 _pthread_cond_wait$VARIANT$mp + 680 (pthread_cond.c:591)
2 JavaScriptCore 0x00000001c643195c WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) + 80 (ThreadingPOSIX.cpp:518)
3 JavaScriptCore 0x00000001c6417848 WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::Scope... + 2040 (ParkingLot.cpp:596)
4 WebKitLegacy 0x00000001c3689d74 bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&) + 184 (ParkingLot.h:80)
5 WebKitLegacy 0x00000001c368c9a8 std::__1::unique_ptr<WTF::Function<void ()>, std::__1::default_delete<WTF::Function<void ()> > > ... + 168 (MessageQueue.h:153)
6 WebKitLegacy 0x00000001c368c08c WebCore::StorageThread::threadEntryPoint() + 68 (MessageQueue.h:131)
7 JavaScriptCore 0x00000001c642f5d4 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 256 (Function.h:79)
8 JavaScriptCore 0x00000001c6431144 WTF::wtfThreadEntryPoint(void*) + 12 (ThreadingPOSIX.cpp:200)
9 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
10 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 10 name:
Thread 10:
0 libsystem_kernel.dylib 0x00000001b74e9c94 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001b7406cf8 _pthread_cond_wait$VARIANT$mp + 680 (pthread_cond.c:591)
2 JavaScriptCore 0x00000001c643199c WTF::ThreadCondition::timedWait(WTF::Mutex&, WTF::WallTime) + 144 (ThreadingPOSIX.cpp:541)
3 JavaScriptCore 0x00000001c6417848 WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::Scope... + 2040 (ParkingLot.cpp:596)
4 JavaScriptCore 0x00000001c63f0104 bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&) + 184 (ParkingLot.h:80)
5 JavaScriptCore 0x00000001c63f048c WTF::Detail::CallableWrapper<WTF::AutomaticThread::start(WTF::AbstractLocker const&)::$_0, void>:... + 216 (Condition.h:115)
6 JavaScriptCore 0x00000001c642f5d4 WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) + 256 (Function.h:79)
7 JavaScriptCore 0x00000001c6431144 WTF::wtfThreadEntryPoint(void*) + 12 (ThreadingPOSIX.cpp:200)
8 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
9 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 11 name:
Thread 11:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001b7670288 __CFRunLoopServiceMachPort + 216 (CFRunLoop.c:2575)
3 CoreFoundation 0x00000001b766b3a8 __CFRunLoopRun + 1444 (CFRunLoop.c:2931)
4 CoreFoundation 0x00000001b766aadc CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
5 CFNetwork 0x00000001ba9214e8 -[__CoreSchedulingSetRunnable runForever] + 192 (CoreSchedulingSet.mm:1372)
6 Foundation 0x00000001b7adb0a4 __NSThread__start__ + 848 (NSThread.m:724)
7 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
8 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 12 name:
Thread 12:
0 libsystem_kernel.dylib 0x00000001b74c8634 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b74c7aa0 mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x00000001b7670288 __CFRunLoopServiceMachPort + 216 (CFRunLoop.c:2575)
3 CoreFoundation 0x00000001b766b3a8 __CFRunLoopRun + 1444 (CFRunLoop.c:2931)
4 CoreFoundation 0x00000001b766aadc CFRunLoopRunSpecific + 464 (CFRunLoop.c:3192)
5 CFNetwork 0x00000001ba9214e8 -[__CoreSchedulingSetRunnable runForever] + 192 (CoreSchedulingSet.mm:1372)
6 Foundation 0x00000001b7adb0a4 __NSThread__start__ + 848 (NSThread.m:724)
7 libsystem_pthread.dylib 0x00000001b740dd8c _pthread_start + 156 (pthread.c:896)
8 libsystem_pthread.dylib 0x00000001b741176c thread_start + 8
Thread 13:
0 libsystem_pthread.dylib 0x00000001b7411758 start_wqthread + 0
Thread 14:
0 libsystem_pthread.dylib 0x00000001b7411758 start_wqthread + 0
Thread 15:
0 libsystem_pthread.dylib 0x00000001b7411758 start_wqthread + 0
Thread 4 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x0000000000000000
x4: 0x0000000000000000 x5: 0x0000000000989680 x6: 0x0000000000000020 x7: 0x0000000000000000
x8: 0x000000016c60b000 x9: 0x40b3ddf8bf7fe521 x10: 0x00000000000003e8 x11: 0x2e73656c706d6153
x12: 0x29287974706d652e x13: 0x636e7566206e6920 x14: 0x0000000000000010 x15: 0x0a27734d4d477469
x16: 0x0000000000000148 x17: 0x000000007c000000 x18: 0x0000000000000000 x19: 0x0000000000000006
x20: 0x0000000000007103 x21: 0x000000016c60a970 x22: 0x000000016c60b0e0 x23: 0x0000000000000114
x24: 0x000000016c60b0e0 x25: 0x0000000000000000 x26: 0x00000000000005ff x27: 0x00000001ff2f1480
x28: 0x0000000002ffffff fp: 0x000000016c60a890 lr: 0x00000001b74051d8
sp: 0x000000016c60a870 pc: 0x00000001b74e9ec4 cpsr: 0x40000000
esr: 0x56000080 Address size fault

xamarin iphone app crashes on end user's devices

I completed the development of application and pushed to appstore. I don't know the solution and even don't know why app crashes on end user's devices.
I am able to get the crash logs and here is the logs. Please help me to resolve this unknown crash.
Hardware Model: iPhone9,4
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
OS Version: iPhone OS 10.3.2 (14F89)
Exception Type: EXC_BAD_ACCESS (SIGABRT)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
Triggered by Thread: 0
Thread 0 name:
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x0000000183ea1014 __pthread_kill + 8
1 libsystem_pthread.dylib 0x0000000183f6b264 pthread_kill + 112 (pthread.c:1366)
2 libsystem_c.dylib 0x0000000183e159c4 abort + 140 (abort.c:91)
3 Mono 0x00000001058702cc mono_handle_native_sigsegv + 588
4 libsystem_platform.dylib 0x0000000183f6531c _sigtramp + 52 (sigtramp.c:115)
5 libsystem_pthread.dylib 0x0000000183f6b264 pthread_kill + 112 (pthread.c:1366)
6 libsystem_c.dylib 0x0000000183e159c4 abort + 140 (abort.c:91)
7 MyApp 0x000000010018dd0c print_all_exceptions(MonoObject*) (runtime.m:997)
8 Mono 0x0000000105870a14 mono_invoke_unhandled_exception_hook + 100
9 Mono 0x000000010586fca8 mono_handle_exception_internal + 3860
10 Mono 0x000000010586ed88 mono_handle_exception + 40
11 Mono 0x0000000105866424 handle_signal_exception + 64
12 MyApp 0x000000010023cb04 MyApp_MyApp_iOS_UpdatePostCommentsViewController__ViewDidLoadm__1_object_System_EventArgs + 276
13 MyApp 0x0000000100cd1bc8 Xamarin_iOS_UIKit_UIControlEventProxy_Activated (UIControl.cs:37)
14 MyApp 0x0000000100fe5c54 wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 244
15 Mono 0x000000010587e654 mono_jit_runtime_invoke + 1772
16 Mono 0x00000001058eecf0 do_runtime_invoke + 112
17 Mono 0x00000001058eec4c mono_runtime_invoke + 208
18 MyApp 0x0000000101904980 native_to_managed_trampoline_9(objc_object*, objc_selector*, _MonoMethod**, char const*, char const*) (registrar.m:385)
19 MyApp 0x0000000101905a50 -[UIKit_UIControlEventProxy BridgeSelector] (registrar.m:10469)
20 UIKit 0x000000018b00d010 -[UIApplication sendAction:to:from:forEvent:] + 96 (UIApplication.m:4580)
21 UIKit 0x000000018b00cf90 -[UIControl sendAction:to:forEvent:] + 80 (UIControl.m:609)
22 UIKit 0x000000018aff7504 -[UIControl _sendActionsForEvents:withEvent:] + 440 (UIControl.m:694)
23 UIKit 0x000000018b00c874 -[UIControl touchesEnded:withEvent:] + 576 (UIControl.m:446)
24 UIKit 0x000000018b00c390 -[UIWindow _sendTouchesForEvent:] + 2480 (UIWindow.m:2122)
25 UIKit 0x000000018b007728 -[UIWindow sendEvent:] + 3192 (UIWindow.m:2292)
26 UIKit 0x000000018afd833c -[UIApplication sendEvent:] + 340 (UIApplication.m:10778)
27 UIKit 0x000000018b7d2014 __dispatchPreprocessedEventFromEventQueue + 2400 (UIEventDispatcher.m:1448)
28 UIKit 0x000000018b7cc770 __handleEventQueue + 4268 (UIEventDispatcher.m:1671)
29 CoreFoundation 0x0000000184e5542c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24 (CFRunLoop.c:1943)
30 CoreFoundation 0x0000000184e54d9c __CFRunLoopDoSources0 + 540 (CFRunLoop.c:1989)
31 CoreFoundation 0x0000000184e529a8 __CFRunLoopRun + 744 (CFRunLoop.c:2821)
32 CoreFoundation 0x0000000184d82da4 CFRunLoopRunSpecific + 424 (CFRunLoop.c:3113)
33 GraphicsServices 0x00000001867ec074 GSEventRunModal + 100 (GSEvent.c:2245)
34 UIKit 0x000000018b03d058 UIApplicationMain + 208 (UIApplication.m:4089)
35 MyApp 0x0000000100d74914 wrapper_managed_to_native_UIKit_UIApplication_UIApplicationMain_int_string___intptr_intptr (/<unknown>:1)
36 MyApp 0x0000000100ccf6c8 Xamarin_iOS_UIKit_UIApplication_Main_string___string_string (UIApplication.cs:63)
37 MyApp 0x000000010035c9a8 MyApp_MyApp_iOS_Application_Main_string__ + 196
38 MyApp 0x0000000100fe5c54 wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 244
39 Mono 0x000000010587e654 mono_jit_runtime_invoke + 1772
40 Mono 0x00000001058eecf0 do_runtime_invoke + 112
41 Mono 0x00000001058f12d4 mono_runtime_exec_main + 832
42 Mono 0x00000001058f0ef0 mono_runtime_run_main + 764
43 Mono 0x0000000105862c48 mono_jit_exec + 236
44 MyApp 0x000000010019a6cc xamarin_main (monotouch-main.m:487)
45 MyApp 0x000000010199c3d0 main (main.arm64.m:115)
46 libdyld.dylib 0x0000000183d9159c start + 4
Thread 1 name:
Thread 1:
0 libsystem_kernel.dylib 0x0000000183ea0e1c __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x0000000183f68814 _pthread_cond_wait + 640 (pthread_cond.c:536)
2 Mono 0x000000010594d854 thread_func + 356
3 libsystem_pthread.dylib 0x0000000183f6968c _pthread_body + 240 (pthread.c:697)
4 libsystem_pthread.dylib 0x0000000183f6959c _pthread_start + 284 (pthread.c:744)
5 libsystem_pthread.dylib 0x0000000183f66cb4 thread_start + 4
Thread 2 name:
Thread 2:
0 libsystem_kernel.dylib 0x0000000183e83260 semaphore_wait_trap + 8
1 Mono 0x00000001058b179c finalizer_thread + 200
2 Mono 0x0000000105921974 start_wrapper + 512
3 Mono 0x000000010595a28c inner_start_thread + 360
4 libsystem_pthread.dylib 0x0000000183f6968c _pthread_body + 240 (pthread.c:697)
5 libsystem_pthread.dylib 0x0000000183f6959c _pthread_start + 284 (pthread.c:744)
6 libsystem_pthread.dylib 0x0000000183f66cb4 thread_start + 4
Thread 3 name:
Thread 3:
0 libsystem_kernel.dylib 0x0000000183e83224 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000183e8309c mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x0000000184e54e90 __CFRunLoopServiceMachPort + 192 (CFRunLoop.c:2527)
3 CoreFoundation 0x0000000184e52ae4 __CFRunLoopRun + 1060 (CFRunLoop.c:2870)
4 CoreFoundation 0x0000000184d82da4 CFRunLoopRunSpecific + 424 (CFRunLoop.c:3113)
5 Foundation 0x000000018589cd74 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304 (NSRunLoop.m:367)
6 Foundation 0x00000001858bdb44 -[NSRunLoop(NSRunLoop) runUntilDate:] + 96 (NSRunLoop.m:411)
7 UIKit 0x000000018b9c76a8 -[UIEventFetcher threadMain] + 136 (UIEventFetcher.m:313)
8 Foundation 0x000000018599a2d8 __NSThread__start__ + 996 (NSThread.m:1163)
9 libsystem_pthread.dylib 0x0000000183f6968c _pthread_body + 240 (pthread.c:697)
10 libsystem_pthread.dylib 0x0000000183f6959c _pthread_start + 284 (pthread.c:744)
11 libsystem_pthread.dylib 0x0000000183f66cb4 thread_start + 4
Thread 6 name:
Thread 6:
0 libsystem_kernel.dylib 0x0000000183ea0e1c __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x0000000183f68814 _pthread_cond_wait + 640 (pthread_cond.c:536)
2 Mono 0x00000001058260d0 mono_os_cond_timedwait + 168
3 Mono 0x0000000105825dc8 _wapi_handle_timedwait_signal_handle + 452
4 Mono 0x000000010596c55c wapi_WaitForSingleObjectEx + 632
5 Mono 0x000000010591d078 mono_wait_uninterrupted + 148
6 Mono 0x000000010591d308 ves_icall_System_Threading_WaitHandle_WaitOne_internal + 108
7 MyApp 0x0000000100f7af28 wrapper_managed_to_native_System_Threading_WaitHandle_WaitOne_internal_intptr_int + 104
8 MyApp 0x0000000100e8392c mscorlib_System_Threading_WaitHandle_WaitOneNative_System_Runtime_InteropServices_SafeHandle_uint_bool_bool (WaitHandle.cs:102)
9 MyApp 0x0000000100e837e0 mscorlib_System_Threading_WaitHandle_InternalWaitOne_System_Runtime_InteropServices_SafeHandle_long_bool_bool (waithandle.cs:257)
10 MyApp 0x0000000100e83714 mscorlib_System_Threading_WaitHandle_WaitOne_int_bool (waithandle.cs:239)
11 MyApp 0x0000000100e83790 mscorlib_System_Threading_WaitHandle_WaitOne_int (waithandle.cs:1)
12 MyApp 0x0000000100ec414c mscorlib_System_Threading_Timer_Scheduler_SchedulerThread (Timer.cs:395)
13 MyApp 0x0000000100e8194c mscorlib_System_Threading_ThreadHelper_ThreadStart_Context_object (thread.cs:72)
14 MyApp 0x0000000100e80558 mscorlib_System_Threading_ExecutionContext_RunInternal_System_Threading_ExecutionContext_System_Threading_ContextCallback_object_bool (executioncontext.cs:957)
15 MyApp 0x0000000100e802fc mscorlib_System_Threading_ExecutionContext_Run_System_Threading_ExecutionContext_System_Threading_ContextCallback_object (executioncontext.cs:893)
16 MyApp 0x0000000100e81a5c mscorlib_System_Threading_ThreadHelper_ThreadStart (thread.cs:109)
17 MyApp 0x0000000100fe5c54 wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr + 244
18 Mono 0x000000010587e654 mono_jit_runtime_invoke + 1772
19 Mono 0x00000001058eecf0 do_runtime_invoke + 112
20 Mono 0x00000001059219f0 start_wrapper + 636
21 Mono 0x000000010595a28c inner_start_thread + 360
22 libsystem_pthread.dylib 0x0000000183f6968c _pthread_body + 240 (pthread.c:697)
23 libsystem_pthread.dylib 0x0000000183f6959c _pthread_start + 284 (pthread.c:744)
24 libsystem_pthread.dylib 0x0000000183f66cb4 thread_start + 4
Thread 8:
0 libsystem_kernel.dylib 0x0000000183ea0e1c __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x0000000183f68814 _pthread_cond_wait + 640 (pthread_cond.c:536)
2 libc++.1.dylib 0x0000000183891ac8 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 56 (condition_variable.cpp:44)
3 JavaScriptCore 0x0000000189735f94 void std::__1::condition_variable_any::wait<std::__1::unique_lock<bmalloc::Mutex> >(std::__1::unique_lock<bmalloc::Mutex>&) + 112 (condition_variable:202)
4 JavaScriptCore 0x0000000189735f08 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() + 168 (condition_variable:211)
5 JavaScriptCore 0x0000000189735de8 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadEntryPoint(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*) + 36 (AsyncTask.h:110)
6 JavaScriptCore 0x0000000189736098 void* std::__1::__thread_proxy<std::__1::tuple<void (*)(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*), bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*> >(void*) + 92 (__functional_base:416)
7 libsystem_pthread.dylib 0x0000000183f6968c _pthread_body + 240 (pthread.c:697)
8 libsystem_pthread.dylib 0x0000000183f6959c _pthread_start + 284 (pthread.c:744)
9 libsystem_pthread.dylib 0x0000000183f66cb4 thread_start + 4
Thread 9 name:
Thread 9:
0 libsystem_kernel.dylib 0x0000000183e83224 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000183e8309c mach_msg + 72 (mach_msg.c:103)
2 CoreFoundation 0x0000000184e54e90 __CFRunLoopServiceMachPort + 192 (CFRunLoop.c:2527)
3 CoreFoundation 0x0000000184e52ae4 __CFRunLoopRun + 1060 (CFRunLoop.c:2870)
4 CoreFoundation 0x0000000184d82da4 CFRunLoopRunSpecific + 424 (CFRunLoop.c:3113)
5 WebCore 0x0000000189a54608 RunWebThread(void*) + 456 (WebCoreThread.mm:694)
6 libsystem_pthread.dylib 0x0000000183f6968c _pthread_body + 240 (pthread.c:697)
7 libsystem_pthread.dylib 0x0000000183f6959c _pthread_start + 284 (pthread.c:744)
8 libsystem_pthread.dylib 0x0000000183f66cb4 thread_start + 4
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x000000000000001b
x4: 0x000000000000001b x5: 0x000000016fd7e450 x6: 0x0000000000000031 x7: 0xffffffffffffffec
x8: 0x0000000008000000 x9: 0x0000000004000000 x10: 0x0000000000003dd5 x11: 0x00000001ad78dc43
x12: 0x00000001ad78dc43 x13: 0x0000000000000018 x14: 0x0000000000000001 x15: 0x0000000000000881
x16: 0x0000000000000148 x17: 0x0000000000000000 x18: 0x0000000000000000 x19: 0x0000000000000006
x20: 0x00000001ab008b40 x21: 0x0000000105979cec x22: 0x0000000105979db3 x23: 0xbcbc681ea5d30086
x24: 0x000000016fd7e888 x25: 0x0000000105979d66 x26: 0x0000000123408f60 x27: 0x0000000105ea6d98
x28: 0x0000000105c01dc0 fp: 0x000000016fd7e820 lr: 0x0000000183f6b264
sp: 0x000000016fd7e800 pc: 0x0000000183ea1014 cpsr: 0x00000000
Binary Images:
0x10007c000 - 0x101a2ffff MyApp arm64 <2e4e02b1232a35f3a699732f3690815a> /var/containers/Bundle/Application/05168991-54CE-41A2-833F-14F645E2B8AD/MyApp.app/MyApp
0x105790000 - 0x1057c3fff dyld arm64 <a3339f99c2ea39d8beb70b8ff2e84061> /usr/lib/dyld
0x105818000 - 0x1059f3fff Mono arm64 <4d8383ffb7633ede9023910f4e550a9b> /var/containers/Bundle/Application/05168991-54CE-41A2-833F-14F645E2B8AD/MyApp.app/Frameworks/Mono.framework/Mono
0x183888000 - 0x183889fff libSystem.B.dylib arm64
EOF

App crashing only on Device

This strange crash happens only running on Devices, while in simulator works normally.
Debugging line by line, i noticed that it occurs while i append a String Value to an Array of Doubles. To do that i convert the double using an extension:
extension String {
func toDouble() -> Double? {
return NSNumberFormatter().numberFromString(self)?.doubleValue
}
}
So the crashing line is:
litros.append(temp_litros.toDouble()!) //litros is my array and temp_litros my string
the error:
fatal error: unexpectedly found nil while unwrapping an Optional value
I really don't understand why it works in simulator and it doesn't on devices.
Anyone have an ideia what could be happening here? Thanks in advance!
Crash Report:
Incident Identifier: 49F378A2-E7D9-4985-B208-99F529AE8813
CrashReporter Key: fe58b29412047d4d8980b9cb66ae017f1c2db7d5
Hardware Model: iPhone7,2
Process: Nuvem [9479]
Path: /private/var/mobile/Containers/Bundle/Application/8989627A-4064-428C-888B-C09F00A3EA0B/Nuvem.app/Nuvem
Identifier: br.com.gimenez.Nuvem
Version: 1 (1.0)
Code Type: ARM-64 (Native)
Parent Process: launchd [1]
Date/Time: 2015-07-23 18:07:12.529 -0300
Launch Time: 2015-07-23 18:07:05.037 -0300
OS Version: iOS 8.4 (12H143)
Report Version: 105
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000001, 0x0000000100659474
Triggered by Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libswiftCore.dylib 0x0000000100659474 0x100598000 + 791668
1 Nuvem 0x00000001000b5110 Nuvem.GraficoViewController.viewDidLoad (Nuvem.GraficoViewController)() -> () (GraficoViewController.swift:69)
2 Nuvem 0x00000001000b5410 #objc Nuvem.GraficoViewController.viewDidLoad (Nuvem.GraficoViewController)() -> () (GraficoViewController.swift:0)
3 UIKit 0x0000000188d14c14 -[UIViewController loadViewIfRequired] + 688
4 UIKit 0x0000000188d14924 -[UIViewController view] + 28
5 UIKit 0x0000000188eb71ec -[UINavigationController _startCustomTransition:] + 708
6 UIKit 0x0000000188dc9e80 -[UINavigationController _startDeferredTransitionIfNeeded:] + 464
7 UIKit 0x0000000188dc9c4c -[UINavigationController __viewWillLayoutSubviews] + 52
8 UIKit 0x0000000188dc9bcc -[UILayoutContainerView layoutSubviews] + 196
9 UIKit 0x0000000188d116f0 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 576
10 QuartzCore 0x000000018864ddb4 -[CALayer layoutSublayers] + 148
11 QuartzCore 0x000000018864881c CA::Layer::layout_if_needed(CA::Transaction*) + 316
12 QuartzCore 0x00000001886486c0 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 28
13 QuartzCore 0x0000000188647e54 CA::Context::commit_transaction(CA::Transaction*) + 272
14 QuartzCore 0x0000000188647bd4 CA::Transaction::commit() + 524
15 QuartzCore 0x00000001886412fc CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 76
16 CoreFoundation 0x00000001842542a0 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 28
17 CoreFoundation 0x000000018425122c __CFRunLoopDoObservers + 356
18 CoreFoundation 0x000000018425160c __CFRunLoopRun + 832
19 CoreFoundation 0x000000018417d2d0 CFRunLoopRunSpecific + 392
20 GraphicsServices 0x000000018dbd36f8 GSEventRunModal + 164
21 UIKit 0x0000000188d7af3c UIApplicationMain + 1484
22 Nuvem 0x00000001000ad9b8 main (AppDelegate.swift:14)
23 libdyld.dylib 0x0000000196612a04 start + 0
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x0000000196710c24 kevent64 + 8
1 libdispatch.dylib 0x00000001965f5e6c _dispatch_mgr_invoke + 272
2 libdispatch.dylib 0x00000001965e7998 _dispatch_mgr_thread + 48
Thread 2:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 3:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 4:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 5:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 6 name: com.apple.NSURLConnectionLoader
Thread 6:
0 libsystem_kernel.dylib 0x0000000196710e0c mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000196710c84 mach_msg + 68
2 CoreFoundation 0x0000000184253720 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x0000000184251674 __CFRunLoopRun + 936
4 CoreFoundation 0x000000018417d2d0 CFRunLoopRunSpecific + 392
5 CFNetwork 0x0000000183c5a590 +[NSURLConnection(Loader) _resourceLoadLoop:] + 436
6 Foundation 0x000000018519ddb4 __NSThread__main__ + 1068
7 libsystem_pthread.dylib 0x00000001967c7dc4 _pthread_body + 160
8 libsystem_pthread.dylib 0x00000001967c7d20 _pthread_start + 156
9 libsystem_pthread.dylib 0x00000001967c4ef4 thread_start + 0
Thread 7 name: com.apple.CFSocket.private
Thread 7:
0 libsystem_kernel.dylib 0x000000019672b498 __select + 8
1 CoreFoundation 0x0000000184259124 __CFSocketManager + 668
2 libsystem_pthread.dylib 0x00000001967c7dc4 _pthread_body + 160
3 libsystem_pthread.dylib 0x00000001967c7d20 _pthread_start + 156
4 libsystem_pthread.dylib 0x00000001967c4ef4 thread_start + 0
Thread 8:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 9:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 10:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 11:
0 libsystem_kernel.dylib 0x000000019672bc78 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001967c52d8 _pthread_wqthread + 988
2 libsystem_pthread.dylib 0x00000001967c4eec start_wqthread + 0
Thread 12:
0 libsystem_kernel.dylib 0x0000000196710e0c mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000196710c84 mach_msg + 68
2 CoreFoundation 0x0000000184253720 __CFRunLoopServiceMachPort + 196
3 CoreFoundation 0x0000000184251674 __CFRunLoopRun + 936
4 CoreFoundation 0x000000018417d2d0 CFRunLoopRunSpecific + 392
5 Foundation 0x00000001850b54c4 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 312
6 Foundation 0x000000018510f80c -[NSRunLoop(NSRunLoop) run] + 92
7 Nuvem 0x00000001000e64f8 +[PBAFURLConnectionOperation networkRequestThreadEntryPoint:] (PBAFURLConnectionOperation.m:151)
8 Foundation 0x000000018519ddb4 __NSThread__main__ + 1068
9 libsystem_pthread.dylib 0x00000001967c7dc4 _pthread_body + 160
10 libsystem_pthread.dylib 0x00000001967c7d20 _pthread_start + 156
11 libsystem_pthread.dylib 0x00000001967c4ef4 thread_start + 0
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x0000000100588b80 x1: 0x00000001742f6a00 x2: 0x0000000000000008 x3: 0x0000000196765a74
x4: 0x000000016fd80e38 x5: 0x0000000000000020 x6: 0x0000000000000000 x7: 0x0000000000000fa0
x8: 0x00000001742f6b80 x9: 0x0000000000000000 x10: 0x0000000100584800 x11: 0x00000000005d0bda
x12: 0x00000000fffffff2 x13: 0x00000001887c5480 x14: 0x0000000000000053 x15: 0x000000000000004d
x16: 0x00000001967bda50 x17: 0x0000000000000000 x18: 0x0000000000000000 x19: 0x0000000144d85300
x20: 0x00000001978b7720 x21: 0x0000000000000008 x22: 0x0000000000000008 x23: 0x0000000000000000
x24: 0x0000000000000006 x25: 0x000000000004ffff x26: 0x0000000144e161d0 x27: 0x000000016fd810e9
x28: 0x0000000144d85300 fp: 0x000000016fd80ed0 lr: 0x0000000100659474
sp: 0x000000016fd80ec0 pc: 0x0000000100659474 cpsr: 0x60000000
By default NSNumberFormatter converts data according to current locale settings. In case of simulator it uses US locale and "." as decimal separator. In case of your device it uses "," as separator so it can't convert your data and numberFromString returns nil.
Try this:
extension String {
func toDouble() -> Double? {
let formatter = NSNumberFormatter()
formatter.locale = NSLocale(localeIdentifier: "en_US")
return formatter.numberFromString(self)?.doubleValue
}
}

UIWebview crashing on IOS 7 but not on IOS 6

I'm using Xcode 5 to make my app. When I run it on the simulator using IOS 6.1 everything works perfectly, but when I run the app on IOS 7 it crashes! Here is the crash log I'm getting from the webview:
`Incident Identifier: 01BCFB4C-E85B-488D-9855-4188D27566B1
CrashReporter Key: cc047dce10a1cd20b4718dbf73ddc413162841fe
Hardware Model: iPhone5,1
Process: Widgets iphone [420]
Path: /var/mobile/Applications/0D552E90-FF2C-4561-B012-0901359ED7A0/Widgets iphone.app/Widgets iphone
Identifier: jeardev.Widgets-iphone
Version: 1.1 (1.1)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2013-08-27 20:49:46.578 -0500
OS Version: iOS 7.0 (11A4449d)
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x000000f0
Triggered by Thread: 7
Thread 0:
0 libsystem_kernel.dylib 0x382e3a84 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x382e387c mach_msg + 36
2 CoreFoundation 0x2dccc55c __CFRunLoopServiceMachPort + 152
3 CoreFoundation 0x2dccacc2 __CFRunLoopRun + 858
4 CoreFoundation 0x2dc3553c CFRunLoopRunSpecific + 520
5 CoreFoundation 0x2dc3531e CFRunLoopRunInMode + 102
6 GraphicsServices 0x326c933e GSEventRunModal + 134
7 UIKit 0x3024e7b0 UIApplicationMain + 1132
8 Widgets iphone 0x00071fa2 main (main.m:16)
9 libdyld.dylib 0x3823fab4 start + 0
Thread 1:
0 libsystem_kernel.dylib 0x382f6c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3835ae06 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3835acc0 start_wqthread + 4
Thread 2:
0 libsystem_kernel.dylib 0x382f6c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3835ae06 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3835acc0 start_wqthread + 4
Thread 3 name: gputools.smt_poll.0x16580fd0
Thread 3:
0 libsystem_kernel.dylib 0x382f6550 __semwait_signal + 24
1 libsystem_c.dylib 0x382674e8 nanosleep + 168
2 libsystem_c.dylib 0x38267438 usleep + 48
3 GPUToolsCore 0x0062b0bc smt_poll_thread_entry(void*) + 120
4 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
5 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
6 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 4:
0 libsystem_kernel.dylib 0x382e3838 kevent64 + 24
1 libdispatch.dylib 0x382320d0 _dispatch_mgr_invoke + 228
2 libdispatch.dylib 0x3822c63e _dispatch_mgr_thread + 34
Thread 5:
0 libsystem_kernel.dylib 0x382f6c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3835ae06 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3835acc0 start_wqthread + 4
Thread 6:
0 libsystem_kernel.dylib 0x382f6c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3835ae06 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3835acc0 start_wqthread + 4
Thread 7 name: WebThread
Thread 7 Crashed:
0 WebCore 0x35ac9de8 WebCore::ApplicationCacheGroup::selectCache(WebCore::Frame*, WebCore::KURL const&) + 544
1 WebCore 0x358d12b6 WebCore::HTMLHtmlElement::insertedByParser() + 90
2 WebCore 0x358c9936 WebCore::HTMLConstructionSite::insertHTMLHtmlStartTagBeforeHTML(WebCore::AtomicHTMLToken*) + 318
3 WebCore 0x3589f1b4 WebCore::HTMLTreeBuilder::processStartTag(WebCore::AtomicHTMLToken*) + 2472
4 WebCore 0x3589e76e WebCore::HTMLTreeBuilder::processToken(WebCore::AtomicHTMLToken*) + 86
5 WebCore 0x3589e552 WebCore::HTMLTreeBuilder::constructTree(WebCore::AtomicHTMLToken*) + 30
6 WebCore 0x3589e038 WebCore::HTMLDocumentParser::constructTreeFromHTMLToken(WebCore::HTMLToken&) + 96
7 WebCore 0x358910f0 WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) + 248
8 WebCore 0x3590234e WebCore::HTMLDocumentParser::append(WTF::PassRefPtr<WTF::StringImpl>) + 290
9 WebCore 0x35901872 WebCore::DecodedDataDocumentParser::appendBytes(WebCore::DocumentWriter*, char const*, unsigned long) + 70
10 WebCore 0x358bdae4 WebCore::DocumentLoader::commitData(char const*, unsigned long) + 32
11 WebKit 0x362c366e -[WebHTMLRepresentation receivedData:withDataSource:] + 178
12 WebKit 0x362c3508 -[WebDataSource(WebInternal) _receivedData:] + 132
13 WebKit 0x362c3464 WebFrameLoaderClient::committedLoad(WebCore::DocumentLoader*, char const*, int) + 96
14 WebCore 0x358f9240 WebCore::DocumentLoader::commitLoad(char const*, int) + 96
15 WebCore 0x358f9198 WebCore::DocumentLoader::dataReceived(WebCore::CachedResource*, char const*, int) + 492
16 WebCore 0x358f79b0 WebCore::DocumentLoader::continueAfterContentPolicy(WebCore::PolicyAction) + 760
17 WebCore 0x358f6fde WebCore::DocumentLoader::responseReceived(WebCore::CachedResource*, WebCore::ResourceResponse const&) + 650
18 WebCore 0x35b73a1a WebCore::DocumentLoader::handleSubstituteDataLoadNow(WebCore::Timer<WebCore::DocumentLoader>*) + 322
19 WebCore 0x3581d2d4 WebCore::ThreadTimers::sharedTimerFiredInternal() + 132
20 WebCore 0x3581d226 WebCore::timerFired(__CFRunLoopTimer*, void*) + 22
21 CoreFoundation 0x2dccce84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 12
22 CoreFoundation 0x2dccca9e __CFRunLoopDoTimer + 790
23 CoreFoundation 0x2dccae26 __CFRunLoopRun + 1214
24 CoreFoundation 0x2dc3553c CFRunLoopRunSpecific + 520
25 CoreFoundation 0x2dc3531e CFRunLoopRunInMode + 102
26 WebCore 0x358abf68 RunWebThread(void*) + 416
27 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
28 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
29 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 8 name: com.apple.NSURLConnectionLoader
Thread 8:
0 libsystem_kernel.dylib 0x382e3a84 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x382e387c mach_msg + 36
2 CoreFoundation 0x2dccc55c __CFRunLoopServiceMachPort + 152
3 CoreFoundation 0x2dccac7c __CFRunLoopRun + 788
4 CoreFoundation 0x2dc3553c CFRunLoopRunSpecific + 520
5 CoreFoundation 0x2dc3531e CFRunLoopRunInMode + 102
6 Foundation 0x2e6519bc +[NSURLConnection(Loader) _resourceLoadLoop:] + 316
7 Foundation 0x2e6c72b2 __NSThread__main__ + 1058
8 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
9 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
10 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 9:
0 libsystem_kernel.dylib 0x382e3a84 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x382e387c mach_msg + 36
2 CoreFoundation 0x2dccc55c __CFRunLoopServiceMachPort + 152
3 CoreFoundation 0x2dccac7c __CFRunLoopRun + 788
4 CoreFoundation 0x2dc3553c CFRunLoopRunSpecific + 520
5 CoreFoundation 0x2dc3531e CFRunLoopRunInMode + 102
6 libAVFAudio.dylib 0x2cc125ae GenericRunLoopThread::Entry(void*) + 126
7 libAVFAudio.dylib 0x2cc05f44 CAPThread::Entry(CAPThread*) + 176
8 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
9 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
10 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 10 name: com.apple.CFSocket.private
Thread 10:
0 libsystem_kernel.dylib 0x382f6440 select$DARWIN_EXTSN + 20
1 CoreFoundation 0x2dcd045a __CFSocketManager + 478
2 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
3 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
4 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 11 name: JavaScriptCore::BlockFree
Thread 11:
0 libsystem_kernel.dylib 0x382f5f38 __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x3835c262 _pthread_cond_wait + 538
2 libsystem_pthread.dylib 0x3835d03c pthread_cond_wait + 36
3 JavaScriptCore 0x2ec3a408 JSC::BlockAllocator::blockFreeingThreadMain() + 204
4 JavaScriptCore 0x2ec37a70 WTF::wtfThreadEntryPoint(void*) + 12
5 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
6 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
7 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 12 name: JavaScriptCore::Marking
Thread 12:
0 libsystem_kernel.dylib 0x382f5f38 __psynch_cvwait + 24
1 libsystem_pthread.dylib 0x3835c262 _pthread_cond_wait + 538
2 libsystem_pthread.dylib 0x3835d03c pthread_cond_wait + 36
3 JavaScriptCore 0x2edd8af2 JSC::GCThread::waitForNextPhase() + 74
4 JavaScriptCore 0x2edd8b4c JSC::GCThread::gcThreadMain() + 48
5 JavaScriptCore 0x2ec37a70 WTF::wtfThreadEntryPoint(void*) + 12
6 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
7 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
8 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 13 name: WebCore: CFNetwork Loader
Thread 13:
0 libsystem_kernel.dylib 0x382e3a84 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x382e387c mach_msg + 36
2 CoreFoundation 0x2dccc55c __CFRunLoopServiceMachPort + 152
3 CoreFoundation 0x2dccac7c __CFRunLoopRun + 788
4 CoreFoundation 0x2dc3553c CFRunLoopRunSpecific + 520
5 CoreFoundation 0x2dc3531e CFRunLoopRunInMode + 102
6 WebCore 0x358f512a WebCore::runLoaderThread(void*) + 250
7 JavaScriptCore 0x2ec37a70 WTF::wtfThreadEntryPoint(void*) + 12
8 libsystem_pthread.dylib 0x3835cc5a _pthread_body + 138
9 libsystem_pthread.dylib 0x3835cbca _pthread_start + 98
10 libsystem_pthread.dylib 0x3835accc thread_start + 4
Thread 14:
0 libsystem_kernel.dylib 0x382f6c7c __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x3835ae06 _pthread_wqthread + 306
2 libsystem_pthread.dylib 0x3835acc0 start_wqthread + 4
Thread 7 crashed with ARM Thread State (32-bit):
r0: 0x00000000 r1: 0x00000008 r2: 0x9b81ac40 r3: 0x00000021
r4: 0x00000000 r5: 0x0367daf0 r6: 0x04cf6750 r7: 0x031b4818
r8: 0x0309f040 r9: 0x00000035 r10: 0x0309f000 r11: 0x04b2d000
ip: 0x39d5d5cc sp: 0x031b477c lr: 0x35ac9de5 pc: 0x35ac9de8
cpsr: 0x00000030
`
It is particularly crashing "Thread 5 Webthread" Sometimes Thread 8
Any feedback is appreciated :)
I figured out the problem, #Jake Lin's suggestion was right it was the link. I was trying to connect to twitter and I was using the URL: http://mobile.twitter.com/account and I tried changing it to: https://mobile.twitter.com/account where I added the "s" in the http. Very strange problem but that seemed to fix it.

iPhone SDK - CALayer crash

I am having a big problem figuring out where my app crash is being caused, and I'm not sure how to interpret the crash report.
The crash clearly occurs in Thread 0, but at what step might it actually be crashing in? I certainly am not manipulating CALayers in my code at all. In anyone experience, does this happen for any particular reason?
Incident Identifier: 23D06670-4C44-49F4-A0CB-01CF95D558D2
CrashReporter Key: 1d7775167d5336b2369c148ce37405638a6abe74
Hardware Model: iPhone3,1
Process: CrazyTimes [3169]
Path: /var/mobile/Applications/41DF0A05-710D-48BB-A468-73B7B224F5A3/CrazyTimes.app/CrazyTimes
Identifier: CrazyTimes
Version: ??? (???)
Code Type: ARM (Native)
Parent Process: launchd [1]
Date/Time: 2012-02-09 18:22:36.422 -0500
OS Version: iPhone OS 5.0 (9A334)
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00600ad0
Crashed Thread: 0
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x383a7fca objc_msgSend + 30
1 CrazyTimes 0x00114460 0x1000 + 1127520
2 CrazyTimes 0x000c2f10 0x1000 + 794384
3 UIKit 0x331b0f72 -[UIView(CALayerDelegate) drawLayer:inContext:] + 270
4 QuartzCore 0x328c0e16 -[CALayer drawInContext:] + 110
5 QuartzCore 0x328c0418 CABackingStoreUpdate_ + 1776
6 QuartzCore 0x328bfc16 CA::Layer::display_() + 966
7 QuartzCore 0x328bf832 CA::Layer::display() + 122
8 QuartzCore 0x328bf774 CA::Layer::display_if_needed(CA::Transaction*) + 168
9 QuartzCore 0x328bf11c CA::Context::commit_transaction(CA::Transaction*) + 228
10 QuartzCore 0x328bee50 CA::Transaction::commit() + 308
11 QuartzCore 0x328b6d7e CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 50
12 CoreFoundation 0x311dcb44 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 12
13 CoreFoundation 0x311dad80 __CFRunLoopDoObservers + 252
14 CoreFoundation 0x311db0da __CFRunLoopRun + 754
15 CoreFoundation 0x3115e4d6 CFRunLoopRunSpecific + 294
16 CoreFoundation 0x3115e39e CFRunLoopRunInMode + 98
17 GraphicsServices 0x33d8cfe6 GSEventRunModal + 150
18 UIKit 0x331d073c UIApplicationMain + 1084
19 CrazyTimes 0x00004084 0x1000 + 12420
20 CrazyTimes 0x00003af8 0x1000 + 11000
Thread 1 name: Dispatch queue: com.apple.libdispatch-manager
Thread 1:
0 libsystem_kernel.dylib 0x324dd3b4 kevent + 24
1 libdispatch.dylib 0x32c31e78 _dispatch_mgr_invoke + 708
2 libdispatch.dylib 0x32c31b96 _dispatch_mgr_thread + 30
Thread 2 name: WebThread
Thread 2:
0 libsystem_kernel.dylib 0x324dd010 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x324dd206 mach_msg + 50
2 CoreFoundation 0x311dc41c __CFRunLoopServiceMachPort + 120
3 CoreFoundation 0x311db154 __CFRunLoopRun + 876
4 CoreFoundation 0x3115e4d6 CFRunLoopRunSpecific + 294
5 CoreFoundation 0x3115e39e CFRunLoopRunInMode + 98
6 WebCore 0x379f2128 _ZL12RunWebThreadPv + 396
7 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
8 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 3:
0 libsystem_kernel.dylib 0x324edcd4 __workq_kernreturn + 8
1 libsystem_c.dylib 0x369a030a _pthread_wqthread + 610
2 libsystem_c.dylib 0x369a009c start_wqthread + 0
Thread 4 name: com.apple.NSURLConnectionLoader
Thread 4:
0 libsystem_kernel.dylib 0x324dd010 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x324dd206 mach_msg + 50
2 CoreFoundation 0x311dc41c __CFRunLoopServiceMachPort + 120
3 CoreFoundation 0x311db154 __CFRunLoopRun + 876
4 CoreFoundation 0x3115e4d6 CFRunLoopRunSpecific + 294
5 CoreFoundation 0x3115e39e CFRunLoopRunInMode + 98
6 Foundation 0x3821abc2 +[NSURLConnection(Loader) _resourceLoadLoop:] + 302
7 Foundation 0x3821aa8a -[NSThread main] + 66
8 Foundation 0x382ae59a __NSThread__main__ + 1042
9 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
10 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 5 name: com.apple.CFSocket.private
Thread 5:
0 libsystem_kernel.dylib 0x324ed570 __select + 20
1 CoreFoundation 0x311e066a __CFSocketManager + 726
2 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
3 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 6:
0 libsystem_kernel.dylib 0x324edcd4 __workq_kernreturn + 8
1 libsystem_c.dylib 0x369a030a _pthread_wqthread + 610
2 libsystem_c.dylib 0x369a009c start_wqthread + 0
Thread 7 name: WebCore: CFNetwork Loader
Thread 7:
0 libsystem_kernel.dylib 0x324dd010 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x324dd206 mach_msg + 50
2 CoreFoundation 0x311dc41c __CFRunLoopServiceMachPort + 120
3 CoreFoundation 0x311db154 __CFRunLoopRun + 876
4 CoreFoundation 0x3115e4d6 CFRunLoopRunSpecific + 294
5 CoreFoundation 0x3115e39e CFRunLoopRunInMode + 98
6 WebCore 0x37a1b69e _ZN7WebCoreL15runLoaderThreadEPv + 122
7 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
8 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 8 name: WebCore: LocalStorage
Thread 8:
0 libsystem_kernel.dylib 0x324ed068 __psynch_cvwait + 24
1 libsystem_c.dylib 0x369a5f2e _pthread_cond_wait + 634
2 libsystem_c.dylib 0x369a5caa pthread_cond_wait + 34
3 JavaScriptCore 0x3768940e WTF::ThreadCondition::timedWait(WTF::Mutex&, double) + 54
4 WebCore 0x37b51494 WTF::PassOwnPtr<WebCore::LocalStorageTask> WTF::MessageQueue<WebCore::LocalStorageTask>::waitForMessageFilteredWithTimeout<bool ()(WebCore::LocalStorageTask*)>(WTF::MessageQueueWaitResult&, bool (&)(WebCore::LocalStorageTask*), double) + 52
5 WebCore 0x37b5144a WebCore::LocalStorageThread::threadEntryPointCallback(void*) + 106
6 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
7 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 9:
0 libsystem_kernel.dylib 0x324dd010 mach_msg_trap + 20
1 libsystem_kernel.dylib 0x324dd206 mach_msg + 50
2 CoreFoundation 0x311dc41c __CFRunLoopServiceMachPort + 120
3 CoreFoundation 0x311db154 __CFRunLoopRun + 876
4 CoreFoundation 0x3115e4d6 CFRunLoopRunSpecific + 294
5 CoreFoundation 0x311db474 CFRunLoopRun + 92
6 CrazyTimes 0x00039ee4 0x1000 + 233188
7 Foundation 0x3821aa8a -[NSThread main] + 66
8 Foundation 0x382ae59a __NSThread__main__ + 1042
9 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
10 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 10 name: com.apple.coremedia.player.async
Thread 10:
0 libsystem_kernel.dylib 0x324ed068 __psynch_cvwait + 24
1 libsystem_c.dylib 0x369a5f2e _pthread_cond_wait + 634
2 libsystem_c.dylib 0x369a5caa pthread_cond_wait + 34
3 CoreMedia 0x3255d000 FigSemaphoreWaitRelative + 212
4 MediaToolbox 0x3261afca fpa_AsyncMovieControlThread + 18
5 CoreMedia 0x3257cbc6 figThreadMain + 146
6 libsystem_c.dylib 0x369a5c16 _pthread_start + 314
7 libsystem_c.dylib 0x369a5ad0 thread_start + 0
Thread 11:
0 libsystem_kernel.dylib 0x324edcd4 __workq_kernreturn + 8
1 libsystem_c.dylib 0x369a030a _pthread_wqthread + 610
2 libsystem_c.dylib 0x369a009c start_wqthread + 0
Thread 0 crashed with ARM Thread State:
r0: 0x09b99000 r1: 0x345621e3 r2: 0x0019e7dc r3: 0x0019e910
r4: 0x0019e800 r5: 0x09b99000 r6: 0x00199f3c r7: 0x2fdfdb00
r8: 0x00196f94 r9: 0x00118870 r10: 0x00196bdc r11: 0x0019789c
ip: 0x0019e8f4 sp: 0x2fdfdae0 lr: 0x00114467 pc: 0x383a7fca
cpsr: 0x20080030
UIViews are implemented with CALayers, so if you are using UIKit, you are using layers. My guess is that an already released object is receiving messages. Maybe you released an object more times than you should. Try recompiling with NSZombieEnabled.
3 UIKit 0x331b0f72 -[UIView(CALayerDelegate) drawLayer:inContext:] + 270
By any chance, did you release an objectA which is a delegate to objectB without removing the delegate assignment first, i.e. objectB.delegate = nil; [objectA release];?