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