SearchService.refreshTeams periodically crashing app #932
Description
I'm unable to reproduce this in the simulator or when connected to a physical device with a debugger, but the SearchService.refreshTeams is crashing periodically while navigating the app.
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Codes: 0x0000000000000001, 0x0000000000000000
VM Region Info: 0 is not in any region. Bytes before following region: 4304125952
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
UNUSED SPACE AT START
--->
__TEXT 1008bc000-1008c0000 [ 16K] r-x/r-x SM=COW ...Blue Alliance
Exception Note: EXC_CORPSE_NOTIFY
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [15095]
Triggered by Thread: 1
Thread 0 name:
Thread 0:
0 libsystem_kernel.dylib 0x00000001b828d42c _kernelrpc_mach_vm_purgable_control_trap + 8
1 libsystem_kernel.dylib 0x00000001b828df0c mach_vm_purgable_control + 40 (mach_vm.c:395)
2 libsqlite3.dylib 0x000000019f439ac0 purgeableCacheRetainChunk + 104 (sqlite3.c:58069)
3 libsqlite3.dylib 0x000000019f51e454 purgeableCachePagePin + 172 (sqlite3.c:58439)
4 libsqlite3.dylib 0x000000019f4395f0 purgeableCacheFetch + 108 (sqlite3.c:58807)
5 libsqlite3.dylib 0x000000019f4cf2e8 getPageNormal + 76 (sqlite3.c:55738)
6 libsqlite3.dylib 0x000000019f4d9db4 getAndInitPage + 96 (sqlite3.c:65531)
7 libsqlite3.dylib 0x000000019f4631d4 moveToRoot + 596 (sqlite3.c:77515)
8 libsqlite3.dylib 0x000000019f46d4a4 sqlite3BtreeMovetoUnpacked + 232 (sqlite3.c:77778)
9 libsqlite3.dylib 0x000000019f453f30 sqlite3VdbeExec + 2556 (sqlite3.c:98192)
10 libsqlite3.dylib 0x000000019f452594 sqlite3_step + 308 (sqlite3.c:92004)
11 CoreData 0x00000001881c2774 _execute + 112 (NSSQLiteConnection.m:4524)
12 CoreData 0x00000001881c3fc8 -[NSSQLiteConnection execute] + 2328 (NSSQLiteConnection.m:4963)
13 CoreData 0x00000001881c8b58 newFetchedRowsForFetchPlan_MT + 644 (NSSQLPerformanceDefinitions.m:2456)
14 CoreData 0x00000001881e21dc _executeNewValuesForRelationshipFaultRequest + 3116 (NSSQLCore_Functions.m:459)
15 CoreData 0x0000000188208b00 -[NSSQLRelationshipFaultRequestContext executeRequestCore:] + 32 (NSSQLRelationshipFaultRequestContext.m:44)
16 CoreData 0x00000001882891f8 -[NSSQLStoreRequestContext executeRequestUsingConnection:] + 224 (NSSQLStoreRequestContext.m:174)
17 CoreData 0x00000001881e8eec __52-[NSSQLDefaultConnectionManager handleStoreRequest:]_block_invoke + 68 (NSSQLConnectionManager.m:301)
18 CoreData 0x00000001881ba674 __37-[NSSQLiteConnection performAndWait:]_block_invoke + 48 (NSSQLiteConnection.m:734)
19 libdispatch.dylib 0x0000000180843670 _dispatch_client_callout + 20 (object.m:560)
20 libdispatch.dylib 0x00000001808528c4 _dispatch_lane_barrier_sync_invoke_and_complete + 56 (queue.c:1016)
21 CoreData 0x00000001881b87b0 -[NSSQLiteConnection performAndWait:] + 176 (NSSQLiteConnection.m:731)
22 CoreData 0x00000001881c57a4 -[NSSQLDefaultConnectionManager handleStoreRequest:] + 248 (NSSQLConnectionManager.m:296)
23 CoreData 0x00000001881d85c0 -[NSSQLCoreDispatchManager routeStoreRequest:] + 252 (NSSQLCoreDispatchManager.m:60)
24 CoreData 0x00000001881ce460 -[NSSQLCore dispatchRequest:withRetries:] + 188 (NSSQLCore.m:3889)
25 CoreData 0x000000018823b3dc -[NSSQLCore _newValuesForRelationship:forObjectWithID:withContext:error:] + 400 (NSSQLCore.m:2180)
26 CoreData 0x00000001882019a4 -[NSSQLCore newValueForRelationship:forObjectWithID:withContext:error:] + 36 (NSSQLCore.m:2208)
27 CoreData 0x00000001881fdb1c __110-[NSPersistentStoreCoordinator(_NSInternalMethods) newValueForRelationship:forObjectWithID:withContext:error:]_block_invoke + 152 (NSPersistentStoreCoordinator.m:4160)
28 CoreData 0x00000001881c32dc -[NSPersistentStoreCoordinator _routeLightweightBlock:toStore:] + 268 (NSPersistentStoreCoordinator.m:565)
29 CoreData 0x000000018828f8e0 -[NSPersistentStoreCoordinator(_NSInternalMethods) newValueForRelationship:forObjectWithID:withContext:error:] + 372 (NSPersistentStoreCoordinator.m:4156)
30 CoreData 0x00000001881f2034 -[NSFaultHandler retainedFulfillAggregateFaultForObject:andRelationship:withContext:] + 612 (NSFaultHandler.m:1124)
31 CoreData 0x000000018825cf70 -[_NSFaultingMutableSet willReadWithContents:] + 424 (_NSFaultingMutableSet.m:146)
32 CoreData 0x000000018824f4b8 -[_NSFaultingMutableSet valueForKeyPath:] + 36 (_NSFaultingMutableSet.m:545)
33 Foundation 0x000000018237782c -[NSObject(NSKeyValueCoding) valueForKeyPath:] + 268 (NSKeyValueCoding.m:513)
34 Foundation 0x00000001823c0ea4 -[NSFunctionExpression expressionValueWithObject:context:] + 1496 (NSFunctionExpression.m:378)
35 Foundation 0x00000001823aa9fc -[NSComparisonPredicate evaluateWithObject:substitutionVariables:] + 216 (NSComparisonPredicate.m:299)
36 Foundation 0x00000001823799e0 -[NSCompoundPredicateOperator evaluatePredicates:withObject:substitutionVariables:] + 456 (NSCompoundPredicateOperator.m:96)
37 Foundation 0x000000018237d7e4 -[NSCompoundPredicate evaluateWithObject:substitutionVariables:] + 248 (NSCompoundPredicate.m:278)
38 CoreData 0x00000001882bdb64 -[NSFetchedResultsController _preprocessUpdatedObjects:insertsInfo:deletesInfo:updatesInfo:sectionsWithDeletes:newSectionNames:treatAsRefreshes:] + 408 (NSFetchedResultsController.m:1729)
39 CoreData 0x00000001882a4a4c __82-[NSFetchedResultsController(PrivateMethods) _core_managedObjectContextDidChange:]_block_invoke + 1720 (NSFetchedResultsController.m:2100)
40 CoreData 0x00000001881b80b4 developerSubmittedBlockToNSManagedObjectContextPerform + 156 (NSManagedObjectContext.m:3942)
41 CoreData 0x00000001881b82dc -[NSManagedObjectContext performBlockAndWait:] + 208 (NSManagedObjectContext.m:4053)
42 CoreData 0x00000001881a2580 -[NSFetchedResultsController _core_managedObjectContextDidChange:] + 140 (NSFetchedResultsController.m:2343)
43 CoreFoundation 0x0000000180b62f88 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 28 (CFNotificationCenter.c:652)
44 CoreFoundation 0x0000000180bfec3c ___CFXRegistrationPost_block_invoke + 52 (CFNotificationCenter.c:173)
45 CoreFoundation 0x0000000180bd1ff4 _CFXRegistrationPost + 456 (CFNotificationCenter.c:199)
46 CoreFoundation 0x0000000180b78df4 _CFXNotificationPost + 716 (CFNotificationCenter.c:1147)
47 Foundation 0x0000000182377f58 -[NSNotificationCenter postNotificationName:object:userInfo:] + 96 (NSNotification.m:560)
48 CoreData 0x00000001881c13e4 -[NSManagedObjectContext _createAndPostChangeNotification:deletions:updates:refreshes:deferrals:wasMerge:] + 2288 (NSManagedObjectContext.m:8521)
49 CoreData 0x00000001881b843c -[NSManagedObjectContext _postRefreshedObjectsNotificationAndClearList] + 200 (NSManagedObjectContext.m:7471)
50 CoreData 0x00000001881b6ad0 -[NSManagedObjectContext _processRecentChanges:] + 108 (NSManagedObjectContext.m:7550)
51 CoreData 0x000000018829765c -[NSManagedObjectContext _mergeChangesFromDidSaveDictionary:usingObjectIDs:] + 4492 (NSManagedObjectContext.m:3681)
52 CoreData 0x00000001882e5bf4 -[NSManagedObjectContext mergeChangesFromContextDidSaveNotification:] + 472 (NSManagedObjectContext.m:3709)
53 CoreData 0x00000001881b80b4 developerSubmittedBlockToNSManagedObjectContextPerform + 156 (NSManagedObjectContext.m:3942)
54 libdispatch.dylib 0x0000000180843670 _dispatch_client_callout + 20 (object.m:560)
55 libdispatch.dylib 0x0000000180851b70 _dispatch_main_queue_callback_4CF + 944 (inline_internal.h:2601)
56 CoreFoundation 0x0000000180b89d84 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 16 (CFRunLoop.c:1795)
57 CoreFoundation 0x0000000180b43f5c __CFRunLoopRun + 2540 (CFRunLoop.c:3144)
58 CoreFoundation 0x0000000180b57468 CFRunLoopRunSpecific + 600 (CFRunLoop.c:3268)
59 GraphicsServices 0x000000019c6fb38c GSEventRunModal + 164 (GSEvent.c:2200)
60 UIKitCore 0x00000001834fa5d0 -[UIApplication _run] + 1100 (UIApplication.m:3493)
61 UIKitCore 0x0000000183278f74 UIApplicationMain + 364 (UIApplication.m:5047)
62 The Blue Alliance 0x00000001008c323c main + 196 (main.swift:9)
63 dyld 0x0000000100c39aa4 start + 520 (dyldMain.cpp:879)
Thread 1 name:
Thread 1 Crashed:
0 ??? 0x0000000000000000 0x0 + 0
1 The Blue Alliance 0x0000000100922f4c specialized Set.subtracting(_:) + 264 (<compiler-generated>:0)
2 The Blue Alliance 0x000000010091e3e8 closure #1 in closure #1 in SearchService.refreshTeams(userInitiated:) + 1488 (SearchService.swift:0)
3 TBAData 0x0000000101214f64 partial apply for closure #1 in NSManagedObjectContext.performChangesAndWait(_:saved:errorRecorder:) + 44 (NSManagedObjectContext+Extension.swift:55)
4 TBAData 0x00000001011b0c10 thunk for @callee_guaranteed () -> () + 20 (<compiler-generated>:0)
5 TBAData 0x00000001011b0c30 thunk for @escaping @callee_guaranteed () -> () + 20 (<compiler-generated>:0)
6 CoreData 0x00000001881b80b4 developerSubmittedBlockToNSManagedObjectContextPerform + 156 (NSManagedObjectContext.m:3942)
7 libdispatch.dylib 0x0000000180843670 _dispatch_client_callout + 20 (object.m:560)
8 libdispatch.dylib 0x00000001808528c4 _dispatch_lane_barrier_sync_invoke_and_complete + 56 (queue.c:1016)
9 CoreData 0x00000001881b8314 -[NSManagedObjectContext performBlockAndWait:] + 264 (NSManagedObjectContext.m:4059)
10 TBAData 0x0000000101214b38 NSManagedObjectContext.performChangesAndWait(_:saved:errorRecorder:) + 284 (NSManagedObjectContext+Extension.swift:54)
11 The Blue Alliance 0x000000010091ddd8 closure #1 in SearchService.refresh(userInitiated:) + 312
12 The Blue Alliance 0x000000010092259c partial apply for closure #1 in SearchService.refreshTeams(userInitiated:) + 64 (<compiler-generated>:0)
13 TBAKit 0x000000010126b170 specialized closure #1 in TBAKit.callArray<A>(method:completion:) + 912 (TBAKit.swift:151)
14 TBAKit 0x0000000101281498 closure #1 in TBAKitOperation.init(tbaKit:method:completion:) + 1000 (TBAKitOperation.swift:32)
15 TBAKit 0x0000000101281534 thunk for @escaping @callee_guaranteed (@guaranteed Data?, @guaranteed NSURLResponse?, @guaranteed Error?) -> () + 148 (<compiler-generated>:0)
16 FirebasePerformance 0x0000000100fb87d4 __InstrumentDataTaskWithRequestCompletionHandler_block_invoke_2 + 220 (FPRNSURLSessionInstrument.m:307)
17 CFNetwork 0x0000000181375178 __40-[__NSURLSessionLocal taskForClassInfo:]_block_invoke + 540 (LocalSession.mm:675)
18 CFNetwork 0x0000000181386120 __49-[__NSCFLocalSessionTask _task_onqueue_didFinish]_block_invoke_2 + 196 (LocalSessionTask.mm:543)
19 libdispatch.dylib 0x0000000180841924 _dispatch_call_block_and_release + 32 (init.c:1517)
20 libdispatch.dylib 0x0000000180843670 _dispatch_client_callout + 20 (object.m:560)
21 libdispatch.dylib 0x000000018084adf4 _dispatch_lane_serial_drain + 672 (inline_internal.h:2601)
22 libdispatch.dylib 0x000000018084b99c _dispatch_lane_invoke + 444 (queue.c:3937)
23 libdispatch.dylib 0x00000001808561b8 _dispatch_workloop_worker_thread + 656 (queue.c:6727)
24 libsystem_pthread.dylib 0x00000001f1f4b0f4 _pthread_wqthread + 288 (pthread.c:2599)
25 libsystem_pthread.dylib 0x00000001f1f4ae94 start_wqthread + 8
Thread 2 name:
Thread 2:
0 libsystem_kernel.dylib 0x00000001b828d504 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b828db9c mach_msg + 76 (mach_msg.c:119)
2 CoreFoundation 0x0000000180b3f738 __CFRunLoopServiceMachPort + 372 (CFRunLoop.c:2646)
3 CoreFoundation 0x0000000180b43a2c __CFRunLoopRun + 1212 (CFRunLoop.c:3000)
4 CoreFoundation 0x0000000180b57468 CFRunLoopRunSpecific + 600 (CFRunLoop.c:3268)
5 Foundation 0x0000000182375c84 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 236 (NSRunLoop.m:373)
6 Foundation 0x00000001823b6db8 -[NSRunLoop(NSRunLoop) runUntilDate:] + 92 (NSRunLoop.m:420)
7 UIKitCore 0x000000018347374c -[UIEventFetcher threadMain] + 524 (UIEventFetcher.m:1167)
8 Foundation 0x00000001823c53fc __NSThread__start__ + 808 (NSThread.m:972)
9 libsystem_pthread.dylib 0x00000001f1f4b9a4 _pthread_start + 148 (pthread.c:891)
10 libsystem_pthread.dylib 0x00000001f1f4aea0 thread_start + 8
Thread 3:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 4 name:
Thread 4:
0 libsystem_kernel.dylib 0x00000001b828d504 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b828db9c mach_msg + 76 (mach_msg.c:119)
2 FirebaseCrashlytics 0x0000000100ec5394 FIRCLSMachExceptionReply + 100 (FIRCLSMachException.c:258)
3 FirebaseCrashlytics 0x0000000100ec5394 FIRCLSMachExceptionServer + 940 (FIRCLSMachException.c:176)
4 libsystem_pthread.dylib 0x00000001f1f4b9a4 _pthread_start + 148 (pthread.c:891)
5 libsystem_pthread.dylib 0x00000001f1f4aea0 thread_start + 8
Thread 5 name:
Thread 5:
0 libsystem_kernel.dylib 0x00000001b828d504 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b828db9c mach_msg + 76 (mach_msg.c:119)
2 CoreFoundation 0x0000000180b3f738 __CFRunLoopServiceMachPort + 372 (CFRunLoop.c:2646)
3 CoreFoundation 0x0000000180b43a2c __CFRunLoopRun + 1212 (CFRunLoop.c:3000)
4 CoreFoundation 0x0000000180b57468 CFRunLoopRunSpecific + 600 (CFRunLoop.c:3268)
5 CFNetwork 0x00000001815cd510 +[__CFN_CoreSchedulingSetRunnable _run:] + 464 (CoreSchedulingSet.mm:1372)
6 Foundation 0x00000001823c53fc __NSThread__start__ + 808 (NSThread.m:972)
7 libsystem_pthread.dylib 0x00000001f1f4b9a4 _pthread_start + 148 (pthread.c:891)
8 libsystem_pthread.dylib 0x00000001f1f4aea0 thread_start + 8
Thread 6 name:
Thread 6:
0 libsystem_kernel.dylib 0x00000001b828d504 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001b828db9c mach_msg + 76 (mach_msg.c:119)
2 CoreFoundation 0x0000000180b3f738 __CFRunLoopServiceMachPort + 372 (CFRunLoop.c:2646)
3 CoreFoundation 0x0000000180b43a2c __CFRunLoopRun + 1212 (CFRunLoop.c:3000)
4 CoreFoundation 0x0000000180b57468 CFRunLoopRunSpecific + 600 (CFRunLoop.c:3268)
5 AudioSession 0x0000000189f72308 CADeprecated::GenericRunLoopThread::Entry(void*) + 164 (GenericRunLoopThread.h:95)
6 AudioSession 0x0000000189f7bd64 CADeprecated::CAPThread::Entry(CADeprecated::CAPThread*) + 92 (CAPThread.cpp:324)
7 libsystem_pthread.dylib 0x00000001f1f4b9a4 _pthread_start + 148 (pthread.c:891)
8 libsystem_pthread.dylib 0x00000001f1f4aea0 thread_start + 8
Thread 7:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 8:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 9:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 10:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 11:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 12:
0 libsystem_pthread.dylib 0x00000001f1f4ae8c start_wqthread + 0
Thread 1 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000800 x1: 0x0000000000000008 x2: 0x0000000281619ae0 x3: 0x0000000100b182d0
x4: 0x0000000100b18898 x5: 0x0000000000000003 x6: 0x0000000000000000 x7: 0x0000000000000000
x8: 0x000000000000403f x9: 0x000000000000000e x10: 0x0000000000000001 x11: 0x007f0001408dae00
x12: 0x0000000000000029 x13: 0x00000001408db080 x14: 0x0000000000000000 x15: 0x0000000281eb12e0
x16: 0x0000000000000000 x17: 0xae028281881f2cf8 x18: 0x0000000000000000 x19: 0x0000000145400000
x20: 0x0000000000000100 x21: 0x0000000000000800 x22: 0x0000000000000001 x23: 0x0000000101220598
x24: 0x0000000101220598 x25: 0x0000000000000874 x26: 0x0000000145eac038 x27: 0x0000000145eac000
x28: 0x0000000000003fff fp: 0x000000016f76dd90 lr: 0x0000000100922d24
sp: 0x000000016f76dc90 pc: 0x0000000000000000 cpsr: 0x20001000
esr: 0x82000006 (Instruction Abort) Translation fault