iOS Crash: UIKitCore

Hi we are getting crash in production and we are not able to analyse root cause. The crash is not reproducible. Sharing logs for the same. Any help is appreciable. com.tatadigital.tcp_issue_6bb9d27ddcd8bde4ef2c38323dfe1726_crash_session_fb8f498e85294f4093a1deaab2ca2bba_DNE_0_v2_stacktrace (1).txt

I am getting this cashed and not able to understand and not able to reproduce it at my end. any help will be appreciated. Fatal Exception: NSInternalInconsistencyException

iOS Crash : libobjc.A.dylib objc_release

We are facing crash at user's end and we don't have reproducible steps. Sharing the stack trace.  If someone can help me debug this crash log or point me in the right direction I would be really grateful. Thanks in advance. CrashLog

I have received crash reports from an iPhone X Plus running iOS 15.6.0 . This is not reprodusable. Please help in tracking issue. Please find crash logs below. Crashed: com.apple.CFNetwork.LoaderQ 0 libdispatch.dylib 0x4bd50 dispatch_source_set_timer$VARIANT$armv81 + 28 1 CFNetwork 0x1f6a8 CFURLRequestSetMainDocumentURL + 1508 2 CFNetwork 0x1b7d8c _CFNetworkErrorGetLocalizedDescription + 642092 3 CFNetwork 0x20adc CFURLRequestSetMainDocumentURL + 6680 4 CFNetwork 0x17404 CFURLRequestSetURL + 8296 5 libdispatch.dylib 0x63094 _dispatch_call_block_and_release + 24 6 libdispatch.dylib 0x64094 _dispatch_client_callout + 16 7 libdispatch.dylib 0x3f4a4 _dispatch_lane_serial_drain$VARIANT$armv81 + 600 8 libdispatch.dylib 0x3ff78 _dispatch_lane_invoke$VARIANT$armv81 + 440 9 libdispatch.dylib 0x41094 _dispatch_workloop_invoke$VARIANT$armv81 + 1640 10 libdispatch.dylib 0x498e0 _dispatch_workloop_worker_thread + 608 11 libsystem_pthread.dylib 0x1e10 _pthread_wqthread + 284 12 libsystem_pthread.dylib 0x193c start_wqthread + 8

Hello, I am getting crash with following details. Crash occurs on only iOS 15.6.0. Many times the crash occurs at different execution flow but in same library i.e. libsystem_malloc.dylib. Can someone guide me to debug this crash and resolve the issue? Crashed: com.apple.dnssd.client 0 libsystem_malloc.dylib 0x1ce84 free_small.cold.1 + 28 1 libsystem_malloc.dylib 0x7ff4 free_small + 1904 2 libdispatch.dylib 0x2828 _dispatch_dispose + 232 3 libdispatch.dylib 0x1fb40 _dispatch_mach_msg_invoke + 484 4 libdispatch.dylib 0xb000 _dispatch_lane_serial_drain + 376 5 libdispatch.dylib 0x2084c _dispatch_mach_invoke + 456 6 libdispatch.dylib 0xb000 _dispatch_lane_serial_drain + 376 7 libdispatch.dylib 0xbc80 _dispatch_lane_invoke + 392 8 libdispatch.dylib 0x16500 _dispatch_workloop_worker_thread + 648 9 libsystem_pthread.dylib 0x10bc _pthread_wqthread + 288 10 libsystem_pthread.dylib 0xe5c start_wqthread + 8 com.apple.main-thread 0 libsystem_kernel.dylib 0x14a0 mach_msg_trap + 8 1 libsystem_kernel.dylib 0x1ae4 mach_msg + 76 2 CoreFoundation 0x6d30 __CFRunLoopServiceMachPort + 372 3 CoreFoundation 0xb1bc __CFRunLoopRun + 1180 4 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600 5 GraphicsServices 0x1374 GSEventRunModal + 164 6 UIKitCore 0x514b58 -[UIApplication _run] + 1100 7 UIKitCore 0x296090 UIApplicationMain + 364 8 TCPApp 0xa44940 main + 39 (AppDelegate.swift:39) 9 ??? 0x104d95da4 (Missing) APMIdentityWorkerQueue 0 libsystem_kernel.dylib 0x14a0 mach_msg_trap + 8 1 libsystem_kernel.dylib 0x1ae4 mach_msg + 76 2 libdispatch.dylib 0x1e678 _dispatch_mach_send_and_wait_for_reply + 540 3 libdispatch.dylib 0x1ea00 dispatch_mach_send_with_result_and_wait_for_reply + 60 4 libxpc.dylib 0xdf0c xpc_connection_send_message_with_reply_sync + 240 5 Foundation 0x3fc4c NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY + 16 6 Foundation 0x45d1c -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:] + 2540 7 CoreFoundation 0x2dc1c forwarding + 1128 8 CoreFoundation 0x2cf70 _CF_forwarding_prep_0 + 96 9 CoreServices 0x95678 -[LSApplicationWorkspace deviceIdentifierForAdvertising] + 200 10 AdSupport 0x1be0 -[ASIdentifierManager advertisingIdentifier] + 172 11 TCPApp 0x23f7b10 -[APMPlatformIdentitySupport resettableDeviceID] + 19897844 12 TCPApp 0x2393b7c -[APMDefaultIdentitySupport resettableDeviceID] + 19488352 13 TCPApp 0x2393af0 -[APMDefaultIdentitySupport limitedAdTracking] + 19488212 14 TCPApp 0x23a7b90 __32-[APMIdentity updateIdentifiers]_block_invoke + 19570292 15 libdispatch.dylib 0x1e6c _dispatch_call_block_and_release + 32 16 libdispatch.dylib 0x3a30 _dispatch_client_callout + 20 17 libdispatch.dylib 0xb124 _dispatch_lane_serial_drain + 668 18 libdispatch.dylib 0xbc80 _dispatch_lane_invoke + 392 19 libdispatch.dylib 0x16500 _dispatch_workloop_worker_thread + 648 20 libsystem_pthread.dylib 0x10bc _pthread_wqthread + 288 21 libsystem_pthread.dylib 0xe5c start_wqthread + 8 Thread #1 0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364 2 libsystem_pthread.dylib 0xe5c start_wqthread + 8 Thread #2 0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364 2 libsystem_pthread.dylib 0xe5c start_wqthread + 8 Thread #3 0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8 1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364 2 libsystem_pthread.dylib 0xe5c start_wqthread + 8 com.apple.uikit.eventfetch-thread 0 libsystem_kernel.dylib 0x14a0 mach_msg_trap + 8 1 libsystem_kernel.dylib 0x1ae4 mach_msg + 76 2 CoreFoundation 0x6d30 __CFRunLoopServiceMachPort + 372 3 CoreFoundation 0xb1bc __CFRunLoopRun + 1180 4 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600 5 Foundation 0x19444 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 236 6 Foundation 0x5ae0c -[NSRunLoop(NSRunLoop) runUntilDate:] + 92 7 UIKitCore 0x48ecc4 -[UIEventFetcher threadMain] + 524 8 Foundation 0x6941c NSThread__start + 808 9 libsystem_pthread.dylib 0x19ac _pthread_start + 148 10 libsystem_pthread.dylib 0xe68 thread_start + 8

I have received crash reports from an iPhone 8 Plus running iOS 15.5.0 . This is not reprodusable. Please help in tracking issue. Please find crash logs below. Crashed: com.apple.CFNetwork.Connection 0 CoreFoundation 0x18ac9c -[__NSArrayM insertObject:atIndex:].cold.2 + 16 1 CoreFoundation 0xce8c -[__NSArrayM insertObject:atIndex:] + 932 2 CFNetwork 0x19f150 _CFNetworkErrorGetLocalizedDescription + 540560 3 CFNetwork 0x834a4 _CFHostIsDomainTopLevelForCertificatePolicy + 34880 4 libapple_nghttp2.dylib 0x1ff0 nghttp2_session_mem_recv + 4604 5 CFNetwork 0xd99ac _CFURLCachePersistMemoryToDiskNow + 21552 6 CFNetwork 0xd984c _CFURLCachePersistMemoryToDiskNow + 21200 7 CFNetwork 0xfffc0 CFURLDownloadCancel + 71224 8 libdispatch.dylib 0x46048 _dispatch_block_async_invoke2 + 104 9 libdispatch.dylib 0x64094 _dispatch_client_callout + 16 10 libdispatch.dylib 0x3f4a4 _dispatch_lane_serial_drain$VARIANT$armv81 + 600 11 libdispatch.dylib 0x3ff78 _dispatch_lane_invoke$VARIANT$armv81 + 440 12 libdispatch.dylib 0x41094 _dispatch_workloop_invoke$VARIANT$armv81 + 1640 13 libdispatch.dylib 0x498e0 _dispatch_workloop_worker_thread + 608 14 libsystem_pthread.dylib 0x1e10 _pthread_wqthread + 284 15 libsystem_pthread.dylib 0x193c start_wqthread + 8 CFNetwork _CFNetworkErrorGetLocalizedDescription

Hi, We are getting this crash on client side. don't know how to reproduce this. please help in this. CoreFoundation percentEscapeDecodeBuffer

Hi We are getting following issue on user's end. We are unable to reproduce it. Sharing the logs we have. Please help in this. iOS : CoreFoundation _CF_forwarding_prep_0

Hi, The app is getting crash on testflight build. need help in analyzing what may cause the issue. crashlog.crash

Hi, We are getting background crash in CFNetwork . I have provided crashed thread and full log below. Could you please suggest solution to this crash. iOS: 15.4.1 device: iPhone 11

Getting crash on user side. not able to reproduce it on our side. Please check the crash log. Xcode version: 13.2.1 (13C100) plateform: iOS Crash Item : Foundation Issue details : Foundation Fatal Exception: NSInternalInconsistencyException 0 CoreFoundation 0x99288 __exceptionPreprocess 1 libobjc.A.dylib 0x16744 objc_exception_throw 2 Foundation 0x132360 _userInfoForFileAndLine 3 UIKitCore 0x32b3d8 -[UICollectionView _createPreparedCellForItemAtIndexPath:withLayoutAttributes:applyAttributes:isFocused:notify:] 4 UIKitCore 0x225308 -[UICollectionView _updateVisibleCellsNow:] 5 UIKitCore 0x179a84 -[UICollectionView layoutSubviews] 6 UIKitCore 0x18bfb4 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] 7 QuartzCore 0x40cd0 CA::Layer::layout_if_needed(CA::Transaction*) 8 UIKitCore 0x1efd90 -[UIView(Hierarchy) layoutBelowIfNeeded] 9 UIKitCore 0x1727e0 +[UIView(Animation) performWithoutAnimation:] 10 UIKitCore 0x286914 -[UITableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:] 11 UIKitCore 0x483af0 -[UITableView _updateVisibleCellsForRanges:createIfNecessary:] 12 UIKitCore 0x2ab8bc -[UITableView _updateVisibleCellsNow:] 13 UIKitCore 0x17bd10 -[UITableView layoutSubviews] 14 UIKitCore 0x18bfb4 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] 15 QuartzCore 0x40cd0 CA::Layer::layout_if_needed(CA::Transaction*) 16 QuartzCore 0x33134 CA::Layer::layout_and_display_if_needed(CA::Transaction*) 17 QuartzCore 0x47a7c CA::Context::commit_transaction(CA::Transaction*, double, double*) 18 QuartzCore 0x50970 CA::Transaction::commit() 19 UIKitCore 0x18e2d4 ___UIUpdateCycleNotifyIdle_block_invoke 20 libdispatch.dylib 0x1e6c _dispatch_call_block_and_release 21 libdispatch.dylib 0x3a30 _dispatch_client_callout 22 libdispatch.dylib 0x11f48 _dispatch_main_queue_drain 23 libdispatch.dylib 0x11b98 _dispatch_main_queue_callback_4CF 24 CoreFoundation 0x51800 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE 25 CoreFoundation 0xb704 __CFRunLoopRun 26 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific 27 GraphicsServices 0x1374 GSEventRunModal 28 UIKitCore 0x514648 -[UIApplication _run] 29 UIKitCore 0x295d90 UIApplicationMain 30 TCPApp 0xa37b54 main + 39 (AppDelegate.swift:39) 31 ??? 0x104625ce4 (Missing)