App crashes randomly when setting Content Attribute Set on NSUserActivity

I'm seeing a lot of crashes in my app that all have the same stack trace. They all start at "NSUserActivity(CSSearchableItemAttributeSet) setContentAttributeSet:" and crash with a SIGABRT when trying to get the description of NSData. Unfortunately I haven't been able to reproduce this issue locally.


When a user visits a product in my app (it's an ecommerce app) I add it to the spotlight index by way of NSUserActivity. The NSUserActivlty includes a title, description, thumbnailURL, keywords, and thumbnailData (which is a JPEG).


This code worked fine in iOS 9, but for some reason it is now crashing only for iOS 10.


Has anyone experienced a similar issue? Any workarounds? Does anyone know how to repro the issue reliably?


Here's the stack trace I'm seeing in my crash logs:


0

libsystem_kernel.dylib

__pthread_kill + 8

1 libsystem_pthread.dylib

pthread_kill + 112

2 libsystem_c.dylib

abort + 140

3 libsystem_malloc.dylib

_nano_vet_and_size_of_live + 330

4 libsystem_malloc.dylib

nano_free + 220

5 CoreFoundation

__CFStringChangeSizeMultiple + 2716

6 CoreFoundation

__CFStringCheckAndReplace + 736

7 CoreFoundation

-[__NSCFString appendString:] + 52

8 Foundation

-[NSData(NSData) description] + 524

9 CoreFoundation

-[NSDictionary descriptionWithLocale:indent:] + 1028

10 CoreSpotlight

-[CSSearchableItemAttributeSet description] + 164

11 Foundation

_NS_os_log_callback + 140

12 libsystem_trace.dylib

_NSCF2data + 112

13 libsystem_trace.dylib

_os_log_encode_arg + 736

14 libsystem_trace.dylib

_os_log_impl + 700

15 UserActivity

-[UAUserActivity(UAUserActivityCoreSpotlightIndexingSupport) setContentAttributeSet:] + 304

16 UserActivity

-[NSUserActivity(CSSearchableItemAttributeSet) setContentAttributeSet:] + 76

Replies

This is a memory management crash; I’m not sure exactly that the issue is, but frames 3 and 4 clearly indicate the memory manager deliberately crashing your app because it’s detected memory corruption. I suggest you start by running the usual memory management debugging tools over your app (specifically, zombies and the address sanitiser).

Share and Enjoy

Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

We have similar issue on iOS 10. Is it a bug in iOS 10?

i have the same crash,have anyone find a solution?


i have find a solution,i'm not sure if this is a bug of ios 10

we can user a custom class replace


CSSearchableItemAttributeSet


eg


CSSearchableAttributeSetWithoutDescription


and overide it's description method


@interface CSSearchableAttributeSetWithoutDescription : CSSearchableItemAttributeSet

@end

@implementation CSSearchableAttributeSetWithoutDescription

-(NSString*)description

{

return @"CSSearchableAttributeSetWithNoDescription";

}

@end


i'm sure the crash is something wrong with the CSSearchableItemAttributeSet's description method,it invoke the attributes(NSDictionary) and the dictionary has a NSData value,the crash is happen in the NSData's description method

so,we can overide this,and DON'T invoke the NSData's description method

Filed as radar://29382336

Seeing the same issue, same stack trace. This became our #1 crash with iOS10 (no reports it happens on other iOS versions). Any update on the radar case?


libsystem_kernel.dylib 0x000000018e14f014 __pthread_kill + 4

1

libsystem_c.dylib 0x000000018e0c3400 abort + 136

2

libsystem_malloc.dylib 0x000000018e193a5c nanozone_error + 328

3

libsystem_malloc.dylib 0x000000018e194f18 nano_realloc + 372

4

libsystem_malloc.dylib 0x000000018e187240 malloc_zone_realloc + 176

5

Foundation 0x000000018fbd2628 -[NSString quotedStringRepresentation] + 728

6

Foundation 0x000000018fbb244c -[NSString _stringRepresentation] + 372

7

CoreFoundation 0x000000018f0a8f0c -[NSDictionary descriptionWithLocale:indent:] + 1024

8

CoreSpotlight 0x00000001979cff7c -[CSSearchableItemAttributeSet description] + 160

9

Foundation 0x000000018fc74bec _NS_os_log_callback + 136

10

libsystem_trace.dylib 0x000000018e23b954 _NSCF2data + 108

11

libsystem_trace.dylib 0x000000018e23b564 _os_log_encode_arg + 732

12

libsystem_trace.dylib 0x000000018e23a004 _os_log_impl + 788

13

UserActivity 0x00000001a07b078c -[UAUserActivity(UAUserActivityCoreSpotlightIndexingSupport) setContentAttributeSet:] + 300

14

UserActivity 0x00000001a07b0488 -[NSUserActivity(CSSearchableItemAttributeSet) setContentAttributeSet:] + 72

Any update on the radar case?

The bug mentioned above (r. 29382336) has been flagged as a duplicate of another bug (r. 29530349), which is still under investigation.

Seeing the same issue, same stack trace.

Can you post an example crash report, preferably symbolicated at least as far as your app’s symbols are concerned?

Share and Enjoy

Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

We are seeing the quotedStringRepresentation crash as well; it is now in our top 5 crashers.


In our case, we noticed it in some code that was not setting up constraints correctly, because the crash is coming from within UIViewAlertForUnsatisfiableConstraints, which seems to imply that whatever bug there is may exist entirely within the iOS SDK itself.


I can also confirm that this affects iOS 10 only.


As requested by eskimo, here's a raw symbolicated crash log:


Crashed: com.apple.main-thread
0  libsystem_kernel.dylib         0x183a9f014 __pthread_kill + 8
1  libsystem_pthread.dylib        0x183b67450 pthread_kill + 112
2  libsystem_c.dylib              0x183a13400 abort + 140
3  libsystem_malloc.dylib         0x183ae3a5c _nano_vet_and_size_of_live + 330
4  libsystem_malloc.dylib         0x183ae4f18 nano_realloc + 376
5  libsystem_malloc.dylib         0x183ad7240 malloc_zone_realloc + 180
6  Foundation                     0x185522628 -[NSString quotedStringRepresentation] + 732
7  Foundation                     0x18550244c -[NSString _stringRepresentation] + 376
8  CoreFoundation                 0x1849f9f3c -[NSArray descriptionWithLocale:indent:] + 404
9  Foundation                     0x1854dcaf4 _NSDescriptionWithLocaleFunc + 76
10 CoreFoundation                 0x184a9223c __CFStringAppendFormatCore + 7996
11 CoreFoundation                 0x184a902c8 _CFStringCreateWithFormatAndArgumentsAux2 + 244
12 Foundation                     0x1854dc968 +[NSString stringWithFormat:] + 68
13 UIKit                          0x18b2db090 UIViewAlertForUnsatisfiableConstraints + 664
14 Foundation                     0x1855514cc -[NSISEngine handleUnsatisfiableRowWithHead:body:usingInfeasibilityHandlingBehavior:mutuallyExclusiveConstraints:] + 464
15 Foundation                     0x185531df8 -[NSISEngine tryUsingArtificialVariableToAddConstraintWithMarker:rowBody:usingInfeasibilityHandlingBehavior:mutuallyExclusiveConstraints:] + 384
16 Foundation                     0x18552d9c4 -[NSISEngine tryToAddConstraintWithMarker:expression:integralizationAdjustment:mutuallyExclusiveConstraints:] + 688
17 Foundation                     0x18552d5cc -[NSLayoutConstraint _addLoweredExpression:toEngine:integralizationAdjustment:lastLoweredConstantWasRounded:mutuallyExclusiveConstraints:] + 284
18 Foundation                     0x18552b1e0 -[NSLayoutConstraint _addToEngine:integralizationAdjustment:mutuallyExclusiveConstraints:] + 272
19 UIKit                          0x18aa832a0 -[UIView(UIConstraintBasedLayout) _layoutEngine_didAddLayoutConstraint:roundingAdjustment:mutuallyExclusiveConstraints:] + 508
20 UIKit                          0x18aa83068 -[UIView(UIConstraintBasedLayout) _tryToAddConstraintWithoutUpdatingConstraintsArray:roundingAdjustment:mutuallyExclusiveConstraints:] + 36
21 UIKit                          0x18aa83028 -[UIView(UIConstraintBasedLayout) _tryToAddConstraint:roundingAdjustment:mutuallyExclusiveConstraints:] + 228
22 Foundation                     0x1856ed294 __55+[NSLayoutConstraint _addOrRemoveConstraints:activate:]_block_invoke + 76
23 Foundation                     0x18552ad10 -[NSISEngine withBehaviors:performModifications:] + 168
24 Foundation                     0x1856ed168 +[NSLayoutConstraint _addOrRemoveConstraints:activate:] + 332
25 UIKit                          0x18b2d5ca4 -[UIView(AdditionalLayoutSupport) _withUnsatisfiableConstraintsLoggingSuspendedIfEngineDelegateExists:] + 508
26 UIKit                          0x18b2d6580 -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededWithViewForVariableChangeNotifications:] + 164
27 UIKit                          0x18b2d758c -[UIView(AdditionalLayoutSupport) _updateConstraintsAtEngineLevelIfNeededWithViewForVariableChangeNotifications:] + 372
28 UIKit                          0x18a998328 -[UIView(Hierarchy) layoutBelowIfNeeded] + 544
29 AppleTart                      0x10145ceac _TFC9AppleTart23FilterSizeChartGroupRow10updateCellfTCS_8BaseCell11atIndexPathGSqV10Foundation9IndexPath__T_ + 2160
30 AppleTart                      0x10193d528 _TFC9AppleTart3Row9tableViewfTCSo11UITableView21cellForRowAtIndexPathV10Foundation9IndexPath_CSo15UITableViewCell + 296
31 AppleTart                      0x101168a5c _TTSf4g_g_n___TFC9AppleTart4Form9tableViewfTCSo11UITableView12cellForRowAtV10Foundation9IndexPath_CSo15UITableViewCell + 508
32 AppleTart                      0x101164c3c _TToFC9AppleTart4Form9tableViewfTCSo11UITableView12cellForRowAtV10Foundation9IndexPath_CSo15UITableViewCell + 76
33 UIKit                          0x18acc9b58 -[UITableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:] + 716
34 UIKit                          0x18acc9d88 -[UITableView _createPreparedCellForGlobalRow:willDisplay:] + 80
35 UIKit                          0x18acb7320 -[UITableView _updateVisibleCellsNow:isRecursive:] + 2304
36 UIKit                          0x18accedec -[UITableView _performWithCachedTraitCollection:] + 116
37 UIKit                          0x18aa6ade8 -[UITableView layoutSubviews] + 176
38 UIKit                          0x18a983a80 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 1196
39 QuartzCore                     0x187e319d8 -[CALayer layoutSublayers] + 148
40 QuartzCore                     0x187e264cc CA::Layer::layout_if_needed(CA::Transaction*) + 292
41 UIKit                          0x18a998500 -[UIView(Hierarchy) layoutBelowIfNeeded] + 1016
42 AppleTart                      0x10117cde0 _TFC9AppleTart25FilterTableViewController17updateDisplayDatafT_T_ + 2772
43 AppleTart                      0x101425d3c _TTSf4d_g_g_g___TFFFC9AppleTart20FilterViewControllerP33_61396BCA2E6F5BE2B62AB4500B7C3B004lcvcFT3forV18AppleApiDocClients5Facet_GSqCS_29LoadableContentViewController_U_FS3_T_U_FSbT_ + 796
44 AppleTart                      0x10141e3ec _TFFFC9AppleTart20FilterViewControllerP33_61396BCA2E6F5BE2B62AB4500B7C3B004lcvcFT3forV18AppleApiDocClients5Facet_GSqCS_29LoadableContentViewController_U_FS3_T_U_FSbT_ + 144
45 AppleTart                      0x1014267bc _TPA__TFFFC9AppleTart20FilterViewControllerP33_61396BCA2E6F5BE2B62AB4500B7C3B004lcvcFT3forV18AppleApiDocClients5Facet_GSqCS_29LoadableContentViewController_U_FS3_T_U_FSbT_ + 260
46 PromiseKit                     0x100b46dec _TFFFC10PromiseKit7Promise4thenurFT2onCSo13DispatchQueue7executeFzxqd___GS0_qd___U_FFGOS_10ResolutionQd___T_T_U_FzQ_T_ + 128
47 PromiseKit                     0x100b4dab4 _TPA__TFFFC10PromiseKit7Promise4thenurFT2onCSo13DispatchQueue7executeFzxqd___GS0_qd___U_FFGOS_10ResolutionQd___T_T_U_FzQ_T_ + 116
48 PromiseKit                     0x100b3b1e0 _TFFFC10PromiseKit5State4thenurFT2onCSo13DispatchQueue4elseFGOS_10Resolutionqd___T_7executeFzxT__T_U_FGS2_Q__T_U_FzT_T_ + 108
49 PromiseKit                     0x100b36f18 _TFF10PromiseKit13contain_zalgourFTCSo13DispatchQueue8rejecterFGOS_10Resolutionx_T_5blockFzT_T__T_U_FT_T_ + 72
50 libdispatch.dylib              0x18395a1fc _dispatch_call_block_and_release + 24
51 libdispatch.dylib              0x18395a1bc _dispatch_client_callout + 16
52 libdispatch.dylib              0x18395ed68 _dispatch_main_queue_callback_4CF + 1000
53 CoreFoundation                 0x184a7e810 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 12
54 CoreFoundation                 0x184a7c3fc __CFRunLoopRun + 1660
55 CoreFoundation                 0x1849aa2b8 CFRunLoopRunSpecific + 444
56 GraphicsServices               0x18645e198 GSEventRunModal + 180
57 UIKit                          0x18a9f17fc -[UIApplication _run] + 684
58 UIKit                          0x18a9ec534 UIApplicationMain + 208
59 Gilt                           0x1000afd8c main (main.m:15)
60 libdispatch.dylib              0x18398d5b8 (Missing)

As requested by eskimo, here's a raw symbolicated crash log:

I was hoping to get the entire crash log, not just the backtrace of a single thread.

Share and Enjoy

Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

We have the same issue in our app, crash log here:


Incident Identifier: C38A54FD-7E66-48E5-9A23-ADD68DB6C152
CrashReporter Key:   AC2403A6-A8D8-45EB-9AD7-79D9A0AB4DF8
Hardware Model:      iPhone8,2
Process:         Cars [3571]
Path:            /var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Cars
Identifier:      com.pointabout.cars
Version:         6.1.0 (6.1.0.0307)
Code Type:       ARM-64
Parent Process:  ??? [1]


Date/Time:       2017-03-13T11:58:37Z
Launch Time:     2017-03-13T10:38:51Z
OS Version:      iPhone OS 10.2.1 (14D27)
Report Version:  104


Exception Type:  SIGABRT
Exception Codes: #0 at 0x18bfaf014
Crashed Thread:  0


Thread 0 Crashed:
0   libsystem_kernel.dylib               0x000000018bfaf014 __pthread_kill + 8
1   libsystem_pthread.dylib              0x000000018c077450 pthread_kill + 108
2   libsystem_c.dylib                    0x000000018bf23400 abort + 136
3   libsystem_malloc.dylib               0x000000018bff3a5c nanozone_error + 328
4   libsystem_malloc.dylib               0x000000018bff4f18 nano_realloc + 372
5   libsystem_malloc.dylib               0x000000018bfe7240 malloc_zone_realloc + 176
6   Foundation                           0x000000018da32628 -[NSString quotedStringRepresentation] + 728
7   Foundation                           0x000000018da1244c -[NSString _stringRepresentation] + 372
8   CoreFoundation                       0x000000018cf09f3c -[NSArray descriptionWithLocale:indent:] + 400
9   CoreFoundation                       0x000000018cf08f40 -[NSDictionary descriptionWithLocale:indent:] + 1076
10  CoreSpotlight                        0x000000019582ff7c -[CSSearchableItemAttributeSet description] + 160
11  Foundation                           0x000000018dad4bec _NS_os_log_callback + 136
12  libsystem_trace.dylib                0x000000018c09b954 _NSCF2data + 108
13  libsystem_trace.dylib                0x000000018c09b564 _os_log_encode_arg + 732
14  libsystem_trace.dylib                0x000000018c09a004 _os_log_impl + 788
15  UserActivity                         0x000000019e61278c -[UAUserActivity(UAUserActivityCoreSpotlightIndexingSupport) setContentAttributeSet:] + 300
16  UserActivity                         0x000000019e612488 -[NSUserActivity(CSSearchableItemAttributeSet) setContentAttributeSet:] + 72
17  Cars                                 0x000000010022bc40 +[CARUserActivityVDP userActivityWithVehicle:image:] (CARUserActivityVDP.m:58)
18  Cars                                 0x00000001000e7300 -[CARVehicleDetailPageViewController indexUserActivity] (CARVehicleDetailPageViewController.m:515)
19  Cars                                 0x00000001000e694c -[CARVehicleDetailPageViewController updateWithVDPMashupContainer:] (CARVehicleDetailPageViewController.m:436)
20  Cars                                 0x00000001000e5d1c __71-[CARVehicleDetailPageViewController fetchDetails:initialSearchParams:]_block_invoke (CARVehicleDetailPageViewController.m:366)
21  Cars                                 0x00000001000a8234 __76-[VehicleDetailMashupDataClient performSearchWithParams:withRetrievalBlock:]_block_invoke (VehicleDetailMashupDataClient.m:87)
22  Cars                                 0x00000001001efe58 __112-[CarsAFHTTPClient dataTaskWithHTTPMethod:URLString:parameters:uploadProgress:downloadProgress:success:failure:]_block_invoke.86 (CarsAFHTTPClient.m:104)
23  AFNetworking                         0x00000001009a14f4 0x100984000 + 120052
24  libdispatch.dylib                    0x000000018be6a1fc _dispatch_call_block_and_release + 20
25  libdispatch.dylib                    0x000000018be6a1bc _dispatch_client_callout + 12
26  libdispatch.dylib                    0x000000018be6eb2c _dispatch_main_queue_callback_4CF + 424
27  CoreFoundation                       0x000000018cf8e810 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 8
28  CoreFoundation                       0x000000018cf8c3fc __CFRunLoopRun + 1656
29  CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
30  GraphicsServices                     0x000000018e96e198 GSEventRunModal + 176
31  UIKit                                0x0000000192f017fc -[UIApplication _run] + 680
32  UIKit                                0x0000000192efc534 UIApplicationMain + 204
33  Cars                                 0x0000000100066e00 main (main.m:13)
34  libdyld.dylib                        0x000000018be9d5b8 start + 0


Thread 1:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   Foundation                           0x000000018d9f726c -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 300
5   Foundation                           0x000000018da17dd0 -[NSRunLoop(NSRunLoop) runUntilDate:] + 92
6   UIKit                                0x0000000193875c38 -[UIEventFetcher threadMain] + 132
7   Foundation                           0x000000018daf4e68 __NSThread__start__ + 1020
8   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
9   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
10  libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 2:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   CFNetwork                            0x000000018d6bfa70 +[NSURLConnection(Loader) _resourceLoadLoop:] + 332
5   Foundation                           0x000000018daf4e68 __NSThread__start__ + 1020
6   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
7   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
8   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 3:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   AVFAudio                             0x00000001a6b5bd24 GenericRunLoopThread::Entry(void*) + 160
5   AVFAudio                             0x00000001a6b81d9c CAPThread::Entry(CAPThread*) + 80
6   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
7   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
8   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 4:
0   libsystem_kernel.dylib               0x000000018bfaf314 __semwait_signal + 8
1   libc++.1.dylib                       0x000000018b9dd994 std::__1::this_thread::sleep_for(std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > const&) + 76
2   JavaScriptCore                       0x00000001917be40c void std::__1::this_thread::sleep_for<long long, std::__1::ratio<1l, 1000l> >(std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000l> > const&) + 72
3   JavaScriptCore                       0x00000001917bd458 bmalloc::waitUntilFalse(std::__1::unique_lock<bmalloc::StaticMutex>&, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000l> >, bool&) + 124
4   JavaScriptCore                       0x00000001917bd294 bmalloc::Heap::scavenge(std::__1::unique_lock<bmalloc::StaticMutex>&, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000l> >) + 56
5   JavaScriptCore                       0x00000001917bd134 bmalloc::Heap::concurrentScavenge() + 76
6   JavaScriptCore                       0x00000001917be4f8 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() + 88
7   JavaScriptCore                       0x00000001917be424 bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadEntryPoint(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*) + 8
8   JavaScriptCore                       0x00000001917be6d4 void* std::__1::__thread_proxy<std::__1::tuple<void (*)(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*), bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*> >(void*) + 88
9   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
10  libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
11  libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 5:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   WebCore                              0x0000000191ac0490 RunWebThread(void*) + 452
5   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
6   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
7   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 6:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   CoreFoundation                       0x000000018cf07b44 CFRunLoopRun + 108
5   CoreMotion                           0x0000000193d7d120 CLStartStopAdvertisingBeacon + 203192
6   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
7   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
8   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 7:
0   libsystem_kernel.dylib               0x000000018bfaee1c __psynch_cvwait + 8
1   libc++.1.dylib                       0x000000018b99d3ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52
2   JavaScriptCore                       0x00000001917a6d64 ***::ParkingLot::parkConditionallyImpl(void const*, ***::ScopedLambda<bool ()> const&, ***::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2128
3   JavaScriptCore                       0x000000019157ea5c JSC::JITWorklist::runThread() + 188
4   JavaScriptCore                       0x000000019157eeac std::__1::__function::__func<JSC::JITWorklist::JITWorklist()::$_0, std::__1::allocator<JSC::JITWorklist::JITWorklist()::$_0>, void ()>::operator()() + 12
5   JavaScriptCore                       0x0000000190eef00c ***::threadEntryPoint(void*) + 208
6   JavaScriptCore                       0x0000000190eeef1c ***::wtfThreadEntryPoint(void*) + 20
7   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
8   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
9   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 8:
0   libsystem_kernel.dylib               0x000000018bfaee1c __psynch_cvwait + 8
1   libc++.1.dylib                       0x000000018b99d3ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52
2   JavaScriptCore                       0x00000001917a6d64 ***::ParkingLot::parkConditionallyImpl(void const*, ***::ScopedLambda<bool ()> const&, ***::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2128
3   JavaScriptCore                       0x00000001917a62e8 ***::ParallelHelperPool::waitForClientWithTask(***::Locker<***::LockBase> const&) + 284
4   JavaScriptCore                       0x00000001917a6088 ***::ParallelHelperPool::helperThreadBody() + 72
5   JavaScriptCore                       0x0000000190eef00c ***::threadEntryPoint(void*) + 208
6   JavaScriptCore                       0x0000000190eeef1c ***::wtfThreadEntryPoint(void*) + 20
7   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
8   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
9   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 9:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   CFNetwork                            0x000000018d819a40 _privateRunloopEmulationSet(void*) + 260
5   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
6   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
7   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 10:
0   libsystem_kernel.dylib               0x000000018bfaf314 __semwait_signal + 8
1   Foundation                           0x000000018daf4118 +[NSThread sleepForTimeInterval:] + 132
2   Cars                                 0x00000001004b3000 +[CDSMoatOnOff runEnablerLoop] + 312
3   Foundation                           0x000000018daf4e68 __NSThread__start__ + 1020
4   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
5   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
6   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 11:
0   libsystem_kernel.dylib               0x000000018bfaee1c __psynch_cvwait + 8
1   libc++.1.dylib                       0x000000018b99d3ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52
2   JavaScriptCore                       0x00000001917a6d64 ***::ParkingLot::parkConditionallyImpl(void const*, ***::ScopedLambda<bool ()> const&, ***::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2128
3   WebCore                              0x0000000191c6b78c bool ***::ConditionBase::waitForSecondsImpl<***::Lock>(***::Lock&, double) + 124
4   WebCore                              0x00000001920a8dcc ***::CrossThreadQueue<***::CrossThreadTask>::waitForMessage() + 108
5   WebCore                              0x00000001920a8d4c WebCore::IDBServer::IDBServer::databaseRunLoop() + 148
6   WebCore                              0x00000001920a6fc8 WebCore::IDBServer::IDBServer::databaseThreadEntry(void*) + 8
7   JavaScriptCore                       0x0000000190eef00c ***::threadEntryPoint(void*) + 208
8   JavaScriptCore                       0x0000000190eeef1c ***::wtfThreadEntryPoint(void*) + 20
9   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
10  libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
11  libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 12:
0   libsystem_kernel.dylib               0x000000018bf91188 mach_msg_trap + 8
1   CoreFoundation                       0x000000018cf8e5d0 __CFRunLoopServiceMachPort + 188
2   CoreFoundation                       0x000000018cf8c1ec __CFRunLoopRun + 1128
3   CoreFoundation                       0x000000018ceba2b8 CFRunLoopRunSpecific + 440
4   GeoServices                          0x0000000194d61b44 _runNetworkThread + 424
5   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
6   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
7   libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 13:
0   libsystem_kernel.dylib               0x000000018bfaee1c __psynch_cvwait + 8
1   libc++.1.dylib                       0x000000018b99d3ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52
2   JavaScriptCore                       0x00000001917a6d64 ***::ParkingLot::parkConditionallyImpl(void const*, ***::ScopedLambda<bool ()> const&, ***::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2128
3   WebKitLegacy                         0x0000000192ba6e00 bool ***::ConditionBase::waitForSecondsImpl<***::Lock>(***::Lock&, double) + 124
4   WebKitLegacy                         0x0000000192ba6c18 std::__1::unique_ptr<***::Function<void ()>, std::__1::default_delete<***::Function<void ()> > > ***::MessageQueue<***::Function<void ()> >::waitForMessageFilteredWithTimeout<***::MessageQueue<***::Function<void ()> >::waitForMessage()::'lambda'(***::Function<void ()> const&)>(***::MessageQueueWaitResult&, ***::MessageQueue<***::Function<void ()> >::waitForMessage()::'lambda'(***::Function<void ()> const&)&&, double) + 120
5   WebKitLegacy                         0x0000000192ba6240 WebCore::StorageThread::threadEntryPoint() + 64
6   JavaScriptCore                       0x0000000190eef00c ***::threadEntryPoint(void*) + 208
7   JavaScriptCore                       0x0000000190eeef1c ***::wtfThreadEntryPoint(void*) + 20
8   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
9   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
10  libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 14:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 15:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 16:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 17:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 18:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 19:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 20:
0   libsystem_kernel.dylib               0x000000018bfaee1c __psynch_cvwait + 8
1   libc++.1.dylib                       0x000000018b99d3ec std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 52
2   JavaScriptCore                       0x00000001917a6d64 ***::ParkingLot::parkConditionallyImpl(void const*, ***::ScopedLambda<bool ()> const&, ***::ScopedLambda<void ()> const&, std::__1::chrono::time_point<std::__1::chrono::steady_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 2128
3   WebCore                              0x0000000191c6b78c bool ***::ConditionBase::waitForSecondsImpl<***::Lock>(***::Lock&, double) + 124
4   WebCore                              0x0000000191c6b5bc std::__1::unique_ptr<WebCore::AsyncAudioDecoder::DecodingTask, std::__1::default_delete<WebCore::AsyncAudioDecoder::DecodingTask> > ***::MessageQueue<WebCore::AsyncAudioDecoder::DecodingTask>::waitForMessageFilteredWithTimeout<***::MessageQueue<WebCore::AsyncAudioDecoder::DecodingTask>::waitForMessage()::'lambda'(WebCore::AsyncAudioDecoder::DecodingTask const&)>(***::MessageQueueWaitResult&, ***::MessageQueue<WebCore::AsyncAudioDecoder::DecodingTask>::waitForMessage()::'lambda'(WebCore::AsyncAudioDecoder::DecodingTask const&)&&, double) + 120
5   WebCore                              0x0000000191c6afb4 WebCore::AsyncAudioDecoder::runLoop() + 140
6   JavaScriptCore                       0x0000000190eef00c ***::threadEntryPoint(void*) + 208
7   JavaScriptCore                       0x0000000190eeef1c ***::wtfThreadEntryPoint(void*) + 20
8   libsystem_pthread.dylib              0x000000018c075850 _pthread_body + 236
9   libsystem_pthread.dylib              0x000000018c075760 _pthread_start + 280
10  libsystem_pthread.dylib              0x000000018c072d94 thread_start + 0


Thread 21:
0   libsystem_kernel.dylib               0x000000018bfafa88 __workq_kernreturn + 8
1   libsystem_pthread.dylib              0x000000018c072d8c start_wqthread + 0


Thread 0 crashed with ARM-64 Thread State:
    pc: 0x000000018bfaf014     fp: 0x000000016fd9d150     sp: 0x000000016fd9d130     x0: 0x0000000000000000
    x1: 0x0000000000000000     x2: 0x0000000000000000     x3: 0x0000000000000000     x4: 0x0000000000000000
    x5: 0x0000000000000000     x6: 0x0000000000000001     x7: 0x0000000000000001     x8: 0x0000000008000000
    x9: 0x0000000004000000    x10: 0xcccccccccccccccd    x11: 0x000000000000000a    x12: 0x0000000000000000
   x13: 0x0000000000000036    x14: 0x00000000ffffffff    x15: 0x00000000fffffffa    x16: 0x0000000000000148
   x17: 0x000000018cec4a34    x18: 0x0000000000000000    x19: 0x0000000000000006    x20: 0x00000001b28c4c40
   x21: 0x0000000000000001    x22: 0x0000000101714000    x23: 0x000000017f11b760    x24: 0x0000000000000000
   x25: 0xbaddc0dedeadbead    x26: 0x000000000000ffff    x27: 0x0000000000000009    x28: 0x000000000000005c
    lr: 0x000000018c077450   cpsr: 0x0000000000000000


Link Register Analysis:
  Symbol: pthread_kill + 108
  Description: We have determined that the link register (lr) is very likely to contain the return address of frame #0's calling function, and have inserted it into the crashing thread's backtrace as frame #1 to aid in analysis. This determination was made by applying a heuristic to determine whether the crashing function was likely to have created a new stack frame at the time of the crash.
  Type: 1


Binary Images:
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       0x100e60000 -        0x100e7bfff +IQKeyboardManager arm64  <92b9a311c1af38569a7cfe46f5534444> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/IQKeyboardManager.framework/IQKeyboardManager
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       0x100ef4000 -        0x100efbfff +UICollectionViewLeftAlignedLayout arm64  <a8b17a7a1bb13e48b2c6979596d164f8> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/UICollectionViewLeftAlignedLayout.framework/UICollectionViewLeftAlignedLayout
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       0x1013e0000 -        0x1013effff  libswiftCoreGraphics.dylib arm64  <76ef8da9d2ae340c855718d201c56fc0> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftCoreGraphics.dylib
       0x10140c000 -        0x101413fff  libswiftCoreImage.dylib arm64  <4f5c1d312b0b3d458307ff3b01d6678f> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftCoreImage.dylib
       0x10141c000 -        0x101423fff  libswiftCoreLocation.dylib arm64  <a68fd7db4f073af19d21d829ea271728> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftCoreLocation.dylib
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       0x101448000 -        0x101463fff  libswiftDispatch.dylib arm64  <ac9c450ccc64357d8f60f072ae05fa66> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftDispatch.dylib
       0x1014a4000 -        0x101567fff  libswiftFoundation.dylib arm64  <9db043c49ae43c6d9c0b3f4122ccb651> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftFoundation.dylib
       0x101674000 -        0x10167bfff  libswiftMapKit.dylib arm64  <a79270e19b5f378896d2fac53884d681> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftMapKit.dylib
       0x101684000 -        0x10168bfff  libswiftObjectiveC.dylib arm64  <1bffd5d6067733b3baec046295dea090> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftObjectiveC.dylib
       0x101698000 -        0x10169ffff  libswiftQuartzCore.dylib arm64  <6f1e015a1ea339718a6f88759034b452> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftQuartzCore.dylib
       0x1016a8000 -        0x1016b3fff  libswiftUIKit.dylib arm64  <7c39c85d94f234d8bad49faa7fba7a8a> /private/var/containers/Bundle/Application/871C0A0F-D194-4E14-85ED-52D244A8B972/Cars.app/Frameworks/libswiftUIKit.dylib
       0x18b994000 -        0x18b995fff  libSystem.B.dylib arm64  <1b4d75209f4a37969a9575de48d48668> /usr/lib/libSystem.B.dylib
       0x18b996000 -        0x18b9ebfff  libc++.1.dylib arm64  <b2db8b1d09283b7bafe1b2933adc5dfd> /usr/lib/libc++.1.dylib
       0x18b9ec000 -        0x18ba0cfff  libc++abi.dylib arm64  <e3419bbaface31b5970c6c8d430be26d> /usr/lib/libc++abi.dylib
       0x18ba10000 -        0x18bde9fff  libobjc.A.dylib arm64  <538f809dcd7c35ceb59d99802248f045> /usr/lib/libobjc.A.dylib
       0x18bdea000 -        0x18bdeefff  libcache.dylib arm64  <f09cab6893c631218f817e61b3d77fcb> /usr/lib/system/libcache.dylib
       0x18bdef000 -        0x18bdfafff  libcommonCrypto.dylib arm64  <e071643355cd3f67bae19045c7f9f340> /usr/lib/system/libcommonCrypto.dylib
       0x18bdfb000 -        0x18bdfefff  libcompiler_rt.dylib arm64  <8209cb28df5d3b48894899019fcbb344> /usr/lib/system/libcompiler_rt.dylib
       0x18bdff000 -        0x18be06fff  libcopyfile.dylib arm64  <567f33ef4d8f3e48a5afac933ccd389f> /usr/lib/system/libcopyfile.dylib
       0x18be07000 -        0x18be68fff  libcorecrypto.dylib arm64  <056a6c201d3d3696b59f0b264ba9b972> /usr/lib/system/libcorecrypto.dylib
       0x18be69000 -        0x18be98fff  libdispatch.dylib arm64  <fb1d0baf642337d1bea0af309586df97> /usr/lib/system/libdispatch.dylib
       0x18be99000 -        0x18be9dfff  libdyld.dylib arm64  <db54f120486a3710a684ce8bb1cb9d71> /usr/lib/system/libdyld.dylib
       0x18be9e000 -        0x18be9efff  liblaunch.dylib arm64  <ceb57f62c49e38d8a8d33309db668bd3> /usr/lib/system/liblaunch.dylib
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       0x18bea7000 -        0x18bebefff  libsystem_asl.dylib arm64  <e52a49b27e963d2bb90332a5b0895f8d> /usr/lib/system/libsystem_asl.dylib
       0x18bebf000 -        0x18bebffff  libsystem_blocks.dylib arm64  <480fe954b3f63f16af8acfd6dc34e2da> /usr/lib/system/libsystem_blocks.dylib
       0x18bec0000 -        0x18bf3efff  libsystem_c.dylib arm64  <8a5a190d70563f3c8d4ce16cab74f599> /usr/lib/system/libsystem_c.dylib
       0x18bf3f000 -        0x18bf43fff  libsystem_configuration.dylib arm64  <7628c33e4c383a78b0e33cf403e6f019> /usr/lib/system/libsystem_configuration.dylib
       0x18bf44000 -        0x18bf49fff  libsystem_containermanager.dylib arm64  <9de64e7545ab359fb9cefc695aa510f0> /usr/lib/system/libsystem_containermanager.dylib
       0x18bf4a000 -        0x18bf4bfff  libsystem_coreservices.dylib arm64  <e61211f8f4c9399595fbd921e8589a8b> /usr/lib/system/libsystem_coreservices.dylib
       0x18bf4c000 -        0x18bf64fff  libsystem_coretls.dylib arm64  <14fa1ba4b14b338181c2ef87b214695e> /usr/lib/system/libsystem_coretls.dylib
       0x18bf65000 -        0x18bf6bfff  libsystem_dnssd.dylib arm64  <7d745bdfb72e3119bad43c36f60a5a8a> /usr/lib/system/libsystem_dnssd.dylib
       0x18bf6c000 -        0x18bf8ffff  libsystem_info.dylib arm64  <6546bc8b4fa23df898bf2471e801d50b> /usr/lib/system/libsystem_info.dylib
       0x18bf90000 -        0x18bfb4fff  libsystem_kernel.dylib arm64  <1baa3f5629c43467879d4cf463a20b06> /usr/lib/system/libsystem_kernel.dylib
       0x18bfb5000 -        0x18bfe1fff  libsystem_m.dylib arm64  <ba786894a7213d37baa99aafc0ee5493> /usr/lib/system/libsystem_m.dylib
       0x18bfe2000 -        0x18bffdfff  libsystem_malloc.dylib arm64  <c57ecb4ada5c3930a580b3d07583058a> /usr/lib/system/libsystem_malloc.dylib
       0x18bffe000 -        0x18c055fff  libsystem_network.dylib arm64  <efa018a4cb4936e3b77b9194d390efc4> /usr/lib/system/libsystem_network.dylib
       0x18c056000 -        0x18c05ffff  libsystem_networkextension.dylib arm64  <34c2d9c2986f32dd996e4e439d94c9c5> /usr/lib/system/libsystem_networkextension.dylib
       0x18c060000 -        0x18c06afff  libsystem_notify.dylib arm64  <605beaf21db73cc3ae98a65e8c11f7d0> /usr/lib/system/libsystem_notify.dylib
       0x18c06b000 -        0x18c071fff  libsystem_platform.dylib arm64  <518e18adfdfc316e9b4d519f6e4b6a47> /usr/lib/system/libsystem_platform.dylib
       0x18c072000 -        0x18c07bfff  libsystem_pthread.dylib arm64  <258dc0c51499393bba7ba3e83dc5bfbb> /usr/lib/system/libsystem_pthread.dylib
       0x18c07c000 -        0x18c07ffff  libsystem_sandbox.dylib arm64  <0db039dc34223f498b11aed09cfce7f2> /usr/lib/system/libsystem_sandbox.dylib
       0x18c080000 -        0x18c087fff  libsystem_symptoms.dylib arm64  <832499573c1730b48f6ff8e7c06fae15> /usr/lib/system/libsystem_symptoms.dylib
       0x18c088000 -        0x18c0a6fff  libsystem_trace.dylib arm64  <c5a7bdd0667a3b2a9cb458d3854d8f90> /usr/lib/system/libsystem_trace.dylib
       0x18c0a7000 -        0x18c0acfff  libunwind.dylib arm64  <7a7545249f7d3a69a162acb73ec4f17a> /usr/lib/system/libunwind.dylib
       0x18c0ad000 -        0x18c0adfff  libvminterpose.dylib arm64  <21d158555a6233b19c53df16cafb6974> /usr/lib/system/libvminterpose.dylib
       0x18c0ae000 -        0x18c0d4fff  libxpc.dylib arm64  <8f1330e254b83bd3a973af6933b91836> /usr/lib/system/libxpc.dylib
       0x18c0d5000 -        0x18c2effff  libicucore.A.dylib arm64  <35fc5fa2aab8326897081ab8416c497c> /usr/lib/libicucore.A.dylib
       0x18c2f0000 -        0x18c300fff  libz.1.dylib arm64  <b3ab59ff330f3225a53b4e8e95440d77> /usr/lib/libz.1.dylib
       0x18ceb1000 -        0x18d235fff  CoreFoundation arm64  <dd9791d198ef32eea1335b8ebc9b3d55> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
       0x18d236000 -        0x18d246fff  libbsm.0.dylib arm64  <788093e9b6b738cea7045bfec4bef1d8> /usr/lib/libbsm.0.dylib
       0x18d247000 -        0x18d247fff  libenergytrace.dylib arm64  <3bcefd094fa83b26807a1c6c92933cd2> /usr/lib/libenergytrace.dylib
       0x18d248000 -        0x18d2c3fff  IOKit arm64  <e0a6f4f0810b3f75813eda2afebd591c> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
       0x18d2c4000 -        0x18d2e4fff  libMobileGestalt.dylib arm64  <1e9e78da74143c54bb1e50aa7e285a0f> /usr/lib/libMobileGestalt.dylib
       0x18d2e5000 -        0x18d3cffff  libxml2.2.dylib arm64  <b3fc55542fe33491877c661cf410b164> /usr/lib/libxml2.2.dylib
       0x18d3d0000 -        0x18d45efff  Security arm64  <88e5d6eb0de13ff6b7904f1b0e43a88e> /System/Library/Frameworks/Security.framework/Security
       0x18d45f000 -        0x18d4c9fff  SystemConfiguration arm64  <d907035d1ff936e5986035f50a77f5d3> /System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration
       0x18d4ca000 -        0x18d5dffff  libsqlite3.dylib arm64  <87863a80836a3d659e5485f5029c3ed4> /usr/lib/libsqlite3.dylib
       0x18d5e0000 -        0x18d979fff  CFNetwork arm64  <5fc8f0f909a0314aa15c7853c5c8fea3> /System/Library/Frameworks/CFNetwork.framework/CFNetwork
       0x18d97a000 -        0x18d98afff  libbz2.1.0.dylib arm64  <0d14fa7337f43079bad2a4cfc6d66b70> /usr/lib/libbz2.1.0.dylib
       0x18d98b000 -        0x18d9a3fff  liblzma.5.dylib arm64  <b90cea0595ff3f8599d9788e1d2cb454> /usr/lib/liblzma.5.dylib
       0x18d9a4000 -        0x18d9befff  libCRFSuite.dylib arm64  <ac663b865b6b38429a40878701aa484a> /usr/lib/libCRFSuite.dylib
       0x18d9bf000 -        0x18d9e8fff  libarchive.2.dylib arm64  <eca0acf41ac83d0a92230eb5b19c39c6> /usr/lib/libarchive.2.dylib
       0x18d9e9000 -        0x18d9eafff  liblangid.dylib arm64  <a74f4f8a2d533e1f926044f052cc5b7d> /usr/lib/liblangid.dylib
       0x18d9eb000 -        0x18dcb9fff  Foundation arm64  <7d40355e685036cc803455e5cbf6245f> /System/Library/Frameworks/Foundation.framework/Foundation
       0x18dcba000 -        0x18dd66fff  libBLAS.dylib arm64  <fa29c2ad87a73ccea2885d9182faee53> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libBLAS.dylib
       0x18dd67000 -        0x18e0a9fff  libLAPACK.dylib arm64  <6df40b0afcbb35a48d63e2fa8ec03b1b> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLAPACK.dylib
       0x18e0aa000 -        0x18e34cfff  vImage arm64  <8b797590cf983693b4c3b6b83dc4ba29> /System/Library/Frameworks/Accelerate.framework/Frameworks/vImage.framework/vImage
       0x18e34d000 -        0x18e36ffff  libvMisc.dylib arm64  <5bcbb491c0a03816a7634797852c21ad> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvMisc.dylib
       0x18e370000 -        0x18e384fff  libLinearAlgebra.dylib arm64  <1adeb99764f63e9e8ef1225bb7a5120d> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLinearAlgebra.dylib
       0x18e385000 -        0x18e396fff  libSparseBLAS.dylib arm64  <515a7b8f5c433b709c1f6d205b9a73d2> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libSparseBLAS.dylib
       0x18e397000 -        0x18e40ffff  libvDSP.dylib arm64  <80294f738c053c4991fa3ab4e867218e> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib
       0x18e410000 -        0x18e410fff  vecLib arm64  <15dc1eafe1f8377d9cab3ba5c7e488be> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/vecLib
       0x18e411000 -        0x18e411fff  Accelerate arm64  <32a527bb13a63e37bf50c725b008e9d5> /System/Library/Frameworks/Accelerate.framework/Accelerate
       0x18e412000 -        0x18e961fff  CoreGraphics arm64  <bd7ec9e2358f3670aef8e025df08d2e6> /System/Library/Frameworks/CoreGraphics.framework/CoreGraphics
       0x18e962000 -        0x18e976fff  GraphicsServices arm64  <7c0dd118a4bc37dc8fab6449abde7ff9> /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices
       0x18e977000 -        0x18e9c2fff  AppSupport arm64  <bdaad3a71677315bb126c4a73a1bcb9e> /System/Library/PrivateFrameworks/AppSupport.framework/AppSupport
       0x18e9c3000 -        0x18eae6fff  MobileCoreServices arm64  <e035420bfabe3f28bc6eef0a144ac1d1> /System/Library/Frameworks/MobileCoreServices.framework/MobileCoreServices
       0x18eae7000 -        0x18eb3ffff  BaseBoard arm64  <210cb4a9a0073c7b9e0b3d437cc1aa4b> /System/Library/PrivateFrameworks/BaseBoard.framework/BaseBoard
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       0x18eb4c000 -        0x18eb78fff  BackBoardServices arm64  <c333604ae8123e3cbb46fe26f233beb9> /System/Library/PrivateFrameworks/BackBoardServices.framework/BackBoardServices
       0x18eb7d000 -        0x18ebccfff  FrontBoardServices arm64  <00b3c2ff89f53d3dba0069b6bb5a56bd> /System/Library/PrivateFrameworks/FrontBoardServices.framework/FrontBoardServices
       0x18ebd0000 -        0x18ec03fff  SpringBoardServices arm64  <9a9b5eba8bf63364861083f874ff612a> /System/Library/PrivateFrameworks/SpringBoardServices.framework/SpringBoardServices
       0x18ec04000 -        0x18ec18fff  MobileKeyBag arm64  <a78d40cc257231978e752c5a81cd1356> /System/Library/PrivateFrameworks/MobileKeyBag.framework/MobileKeyBag
       0x18ec19000 -        0x18ec21fff  IOSurface arm64  <9a22349e905539a0a1598af6d7fe9cc9> /System/Library/PrivateFrameworks/IOSurface.framework/IOSurface
       0x18ec22000 -        0x18ec2dfff  liblockdown.dylib arm64  <ab36b2ace988302c89207cb290ff4a76> /usr/lib/liblockdown.dylib
       0x18ec2e000 -        0x18ec44fff  CrashReporterSupport arm64  <3bffb6a60faf3560acd6f4bc832b66ac> /System/Library/PrivateFrameworks/CrashReporterSupport.framework/CrashReporterSupport
       0x18ec45000 -        0x18ec47fff  IOSurfaceAccelerator arm64  <7b7c2b7ea506374cb3902b7408d5d4bf> /System/Library/PrivateFrameworks/IOSurfaceAccelerator.framework/IOSurfaceAccelerator
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       0x18ec89000 -        0x18f21bfff  ImageIO arm64  <f5ddfe623d4f3a338ae75c666ea10815> /System/Library/Frameworks/ImageIO.framework/ImageIO
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       0x18f2c6000 -        0x18f564fff  CoreData arm64  <980c0f8663a0330d8b5fb541c22e7b66> /System/Library/Frameworks/CoreData.framework/CoreData
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       0x18f571000 -        0x18f572fff  libCVMSPluginSupport.dylib arm64  <7110757134ea3599b3d739db2ea6f48a> /System/Library/Frameworks/OpenGLES.framework/libCVMSPluginSupport.dylib
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       0x18f577000 -        0x18f5bafff  libGLImage.dylib arm64  <c2e2de9ee34236558c89d7fe9bc0116c> /System/Library/Frameworks/OpenGLES.framework/libGLImage.dylib
       0x18f5bb000 -        0x18f5c5fff  libGFXShared.dylib arm64  <058e54d10e9838c5bea32a75f199c2db> /System/Library/Frameworks/OpenGLES.framework/libGFXShared.dylib
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       0x18f79a000 -        0x18f8eafff  CoreAudio arm64  <8ff5628b7e9b36efb6b746e6ea3e9088> /System/Library/Frameworks/CoreAudio.framework/CoreAudio
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       0x18fc31000 -        0x18fc31fff  FontServices arm64  <a4b99cf7d62630aeb2f8c8e865a8fe34> /System/Library/PrivateFrameworks/FontServices.framework/FontServices
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       0x19041d000 -        0x19043dfff  libmis.dylib arm64  <cd871843480d31b8b074ac87e66cb63d> /usr/lib/libmis.dylib
       0x19043e000 -        0x190531fff  LanguageModeling arm64  <8483753bf96f3484b448a47883cd5ab4> /System/Library/PrivateFrameworks/LanguageModeling.framework/LanguageModeling
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       0x190cad000 -        0x190e77fff  CoreImage arm64  <8c3df52ae00634d0ac530ceea391edac> /System/Library/Frameworks/CoreImage.framework/CoreImage
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       0x192b7b000 -        0x192c5dfff  WebKitLegacy arm64  <dfbb9cda368d336fa81c3a0784903c07> /System/Library/PrivateFrameworks/WebKitLegacy.framework/WebKitLegacy
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       0x19b09b000 -        0x19b506fff  PhotosUI arm64  <e6db8b968d7c3b0ebb30308904612332> /System/Library/Frameworks/PhotosUI.framework/PhotosUI
       0x19b507000 -        0x19b5aafff  SafariServices arm64  <7890715187b13069b89b449560b78dc7> /System/Library/Frameworks/SafariServices.framework/SafariServices
       0x19bbff000 -        0x19bc06fff  iAdServices arm64  <f4e4c0872d7e306ab9585ba7b5a56ce6> /System/Library/PrivateFrameworks/iAdServices.framework/iAdServices
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       0x19d9cc000 -        0x19daf5fff  StoreServicesCore arm64  <265f2ee887003ee7a6f622c9278f1861> /System/Library/PrivateFrameworks/StoreServicesCore.framework/StoreServicesCore
       0x19e035000 -        0x19e478fff  MediaLibraryCore arm64  <02b1955ea96135e195d5bea426c6702e> /System/Library/PrivateFrameworks/MediaLibraryCore.framework/MediaLibraryCore
       0x19e5f2000 -        0x19e655fff  UserActivity arm64  <4c22a33bbf093b3cabf624da471fa1e2> /System/Library/PrivateFrameworks/UserActivity.framework/UserActivity
       0x19eab6000 -        0x19ebb9fff  AnnotationKit arm64  <4adbb0dc3383365badb357f588f292c0> /System/Library/PrivateFrameworks/AnnotationKit.framework/AnnotationKit
       0x1a0e73000 -        0x1a0e7afff  SymptomReporter arm64  <32fd18cb3d33341f8d58ee201b525f10> /System/Library/PrivateFrameworks/Symptoms.framework/Frameworks/SymptomReporter.framework/SymptomReporter
       0x1a0f3c000 -        0x1a0f52fff  WebContentAnalysis arm64  <fff0b12fb1223875927a88dcb859eba5> /System/Library/PrivateFrameworks/WebContentAnalysis.framework/WebContentAnalysis
       0x1a0f95000 -        0x1a0f9cfff  libMatch.1.dylib arm64  <c3665e4566383a39b147400243f14660> /usr/lib/libMatch.1.dylib
       0x1a12b2000 -        0x1a12d4fff  libKoreanConverter.dylib arm64  <fe6d76d48c3a3a9a9f63f4a475501f1b> /System/Library/CoreServices/Encodings/libKoreanConverter.dylib
       0x1a1305000 -        0x1a159bfff  RawCamera arm64  <fea3d8d380c333d79a0aa40656d20742> /System/Library/CoreServices/RawCamera.bundle/RawCamera
       0x1a1665000 -        0x1a1679fff  libCGInterfaces.dylib arm64  <a94effd0df4d3bb691067ae3ae270125> /System/Library/Frameworks/Accelerate.framework/Frameworks/vImage.framework/Libraries/libCGInterfaces.dylib
       0x1a256a000 -        0x1a2578fff  AppleFSCompression arm64  <a1afd6c88f183b0896626b220de4d2c2> /System/Library/PrivateFrameworks/AppleFSCompression.framework/AppleFSCompression
       0x1a2579000 -        0x1a2584fff  AppleIDAuthSupport arm64  <5ef7f5e8da2c364b9d459b7280615c26> /System/Library/PrivateFrameworks/AppleIDAuthSupport.framework/AppleIDAuthSupport
       0x1a323a000 -        0x1a3260fff  CoreServicesInternal arm64  <3a007d98794d3e3a9d1f377b2c3619ee> /System/Library/PrivateFrameworks/CoreServicesInternal.framework/CoreServicesInternal
       0x1a3589000 -        0x1a3593fff  DiagnosticExtensions arm64  <bf963a4bf08d3b82b4e1832f8ea2984e> /System/Library/PrivateFrameworks/DiagnosticExtensions.framework/DiagnosticExtensions
       0x1a399a000 -        0x1a39a6fff  libGSFontCache.dylib arm64  <e35b6863bb623df5b8e7735a66f76e50> /System/Library/PrivateFrameworks/FontServices.framework/libGSFontCache.dylib
       0x1a39a7000 -        0x1a39d8fff  libTrueTypeScaler.dylib arm64  <de847921d0693dc48e78f8847117768a> /System/Library/PrivateFrameworks/FontServices.framework/libTrueTypeScaler.dylib
       0x1a4994000 -        0x1a49c5fff  MarkupUI arm64  <31815c047f8c362fb2935f7c4e962292> /System/Library/PrivateFrameworks/MarkupUI.framework/MarkupUI
       0x1a4d88000 -        0x1a4d91fff  MobileStorage arm64  <d52617f7f151376f9c76c912ee5f1f68> /System/Library/PrivateFrameworks/MobileStorage.framework/MobileStorage
       0x1a590a000 -        0x1a5937fff  SafariSafeBrowsing arm64  <45da49cb038634ffba3cd6b5c7a98f99> /System/Library/PrivateFrameworks/SafariSafeBrowsing.framework/SafariSafeBrowsing
       0x1a6489000 -        0x1a6664fff  libFosl_dynamic.dylib arm64  <0aa33a84bd8630f29c6fc401fa0ffd5e> /usr/lib/libFosl_dynamic.dylib
       0x1a6665000 -        0x1a666ffff  libMobileGestaltExtensions.dylib arm64  <016ab54500393779aa5d5e199aa34dd3> /usr/lib/libMobileGestaltExtensions.dylib
       0x1a6a7b000 -        0x1a6aaafff  libpcap.A.dylib arm64  <983b5efbde5d30238673d8b74a8a2653> /usr/lib/libpcap.A.dylib
       0x1a6aab000 -        0x1a6ae2fff  libsandbox.1.dylib arm64  <48abba806d7e34d0924c47048cc1838e> /usr/lib/libsandbox.1.dylib
       0x1a6ae6000 -        0x1a6bb7fff  AVFAudio arm64  <b1a0fc23635a35bb8ba6e8fe869cae92> /System/Library/Frameworks/AVFoundation.framework/Frameworks/AVFAudio.framework/AVFAudio
       0x1a6bb8000 -        0x1a6bc1fff  ProactiveEventTracker arm64  <5b8319222fbb31c58bd392b6d4fc1035> /System/Library/PrivateFrameworks/ProactiveEventTracker.framework/ProactiveEventTracker
       0x1a6bc2000 -        0x1a6d18fff  Intents arm64  <242a81c86a613c7e961765694a6f9e89> /System/Library/Frameworks/Intents.framework/Intents
       0x1a6e5c000 -        0x1a6e7ffff  UserNotifications arm64  <0dd7c46e70d23483a26b02bfed7be22f> /System/Library/Frameworks/UserNotifications.framework/UserNotifications
       0x1a6e8f000 -        0x1a6e9dfff  PersonaKit arm64  <11315b9f03073d42a84dfedc91b43347> /System/Library/PrivateFrameworks/PersonaKit.framework/PersonaKit
       0x1a6f2a000 -        0x1a7120fff  CVML arm64  <cc734717fab431688fad56eb0b3f139a> /System/Library/PrivateFrameworks/CVML.framework/CVML
       0x1a721a000 -        0x1a72ccfff  Navigation arm64  <714104bfd3273e248e37e1ce6fd2f5a9> /System/Library/PrivateFrameworks/Navigation.framework/Navigation
       0x1a7351000 -        0x1a737cfff  Pasteboard arm64  <694796dad92d366a9b5e152c95780d9e> /System/Library/PrivateFrameworks/Pasteboard.framework/Pasteboard
       0x1a7395000 -        0x1a751ffff  TextureIO arm64  <c54172604d14378eb9ca8a71942a9a7e> /System/Library/PrivateFrameworks/TextureIO.framework/TextureIO
       0x1a7a3b000 -        0x1a7a85fff  ContactsUICore arm64  <e046c6d1c0d33c0dadfe2a5c663a6683> /System/Library/PrivateFrameworks/ContactsUICore.framework/ContactsUICore
       0x1a8249000 -        0x1a8266fff  SearchFoundation arm64  <f06ed152e1b83f57aded04d6d2f82869> /System/Library/PrivateFrameworks/SearchFoundation.framework/SearchFoundation
       0x1a892d000 -        0x1a89c3fff  AGXMetalA9 arm64  <ef8e43081030384caf2bffbb3f8bea6c> /System/Library/Extensions/AGXMetalA9.bundle/AGXMetalA9
       0x1a89e2000 -        0x1a89f4fff  libBNNS.dylib arm64  <4fe669ed8f7e3fd6aa4687faa52c18e9> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libBNNS.dylib
       0x1a89f5000 -        0x1a89fafff  libQuadrature.dylib arm64  <b42c49db566e3e5f9577adbfcf2e0a42> /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libQuadrature.dylib
       0x1a8d96000 -        0x1a8da7fff  CoreEmoji arm64  <a5aa53b703bf3c669425672d599a24f9> /System/Library/PrivateFrameworks/CoreEmoji.framework/CoreEmoji
       0x1a8da8000 -        0x1a8dc0fff  CoreInterest arm64  <d85bf0b4967a338cacb3403da52ec1c2> /System/Library/PrivateFrameworks/CoreInterest.framework/CoreInterest
       0x1a8f50000 -        0x1a8f83fff  CoreParsec arm64  <4316c778b9483a708b2640bc07b315d0> /System/Library/PrivateFrameworks/CoreParsec.framework/CoreParsec
       0x1a8fdf000 -        0x1a9011fff  DifferentialPrivacy arm64  <b79e65b3133f3ba1a977f99a9369478d> /System/Library/PrivateFrameworks/DifferentialPrivacy.framework/DifferentialPrivacy
       0x1a9263000 -        0x1a9263fff  IntentsFoundation arm64  <011ec9d36ee0348aa1c272522b03a06f> /System/Library/PrivateFrameworks/IntentsFoundation.framework/IntentsFoundation
       0x1a9382000 -        0x1a944afff  NLP arm64  <41213ee6dc4c3221876add1679d24b72> /System/Library/PrivateFrameworks/NLP.framework/NLP
       0x1a94dc000 -        0x1a954cfff  PDFKit arm64  <5d68e68df9fc3665980822dd386778ad> /System/Library/PrivateFrameworks/PDFKit.framework/PDFKit
       0x1a9a33000 -        0x1a9c97fff  PhotosUICore arm64  <471cf0efdf60387ab49c1cce59a68873> /System/Library/PrivateFrameworks/PhotosUICore.framework/PhotosUICore
       0x1aa480000 -        0x1aa4f7fff  libate.dylib arm64  <afb1757e1bdd3804b372511c4c3ba662> /usr/lib/libate.dylib
       0x1aa4f8000 -        0x1aa4f8fff  libcoretls.dylib arm64  <3798381066cd3288b95a25164d224a06> /usr/lib/libcoretls.dylib
       0x1aa4f9000 -        0x1aa4fafff  libcoretls_cfhelpers.dylib arm64  <f528dac189a931439165cffb8579f5ef> /usr/lib/libcoretls_cfhelpers.dylib

We have the same issue in our app, crash log here:

Thanks for the crash report. Just to be clear, this crash report matches the crash being reported by most folks on this thread, but its does not match the crash posted by emaloney. That seems to be something completely different.

It seems that the immediate cause of this problem is a crash in

-[CSSearchableItemAttributeSet description]
as it tries to get the description of the NSMutableDictionary that it uses to internally track its attributes.

Note This dictionary is used for standard attributes — for example,

completionDate
— not the custom attributes you modify via the methods in the CSCustomAttributes category.

There’s a couple of potential causes for this:

  • Memory corruption — A straightforward memory corruption problem, such as an overrelease of some object, can easily manifest like this.

  • Thread safety — CSSearchableItemAttributeSet is not thread safe [1], and modifying it from one thread while accessing it (via the

    description
    method) from another could trigger a crash like this.

What does your

+[CARUserActivityVDP userActivityWithVehicle:image:]
method look like?

Share and Enjoy

Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

[1] At the top of

<CoreSpotlight/CSSearchableItemAttributeSet.h>
you’ll find this comment:
// CSSearchableItemAttribute set should only be mutated from one thread at a time. Concurrent access to properties has undefined behavior.

Woulod that be a c-level mistake? I am having the same issue as cars.com when calling [NSError description], and I didn't find any threading issue. Part of the stack trace looks like this:

Thread 40 Crashed:
0 libsystem_kernel.dylib 0x000000018facb014 __pthread_kill + 8
1 libsystem_pthread.dylib 0x000000018fb93450 pthread_kill + 108
2 libsystem_c.dylib 0x000000018fa3f400 abort + 136
3 libsystem_malloc.dylib 0x000000018fb0fa5c nanozone_error + 328
4 libsystem_malloc.dylib 0x000000018fb10f18 nano_realloc + 372
5 libsystem_malloc.dylib 0x000000018fb03240 malloc_zone_realloc + 176
6 Foundation 0x000000019154e628 -[NSString quotedStringRepresentation] + 728
7 Foundation 0x000000019152e44c -[NSString _stringRepresentation] + 372
8 CoreFoundation 0x0000000190a24f0c -[NSDictionary descriptionWithLocale:indent:] + 1024
9 Foundation 0x0000000191508af4 _NSDescriptionWithLocaleFunc + 72
10 CoreFoundation 0x0000000190abe23c __CFStringAppendFormatCore + 7992
11 CoreFoundation 0x0000000190abc2c8 _CFStringCreateWithFormatAndArgumentsAux2 + 240
12 Foundation 0x000000019150f3c8 -[NSString stringByAppendingFormat:] + 100
13 CFNetwork 0x000000019110ebec -[NSHTTPURLResponse description] + 120
14 CoreFoundation 0x0000000190a16fb8 -[NSObject(NSObject) _copyDescription] + 40
15 CoreFoundation 0x0000000190abe454 __CFStringAppendFormatCore + 8528
16 CoreFoundation 0x0000000190a38a74 CFStringAppendFormat + 56
17 CoreFoundation 0x0000000190a56cd8 userInfoKeyValueShow + 136
18 CoreFoundation 0x0000000190af8960 -[__NSDictionaryI __apply:context:] + 112
19 CoreFoundation 0x0000000190a8cd00 _CFErrorFormatDebugDescriptionAux + 748
20 CoreFoundation 0x0000000190a56858 _CFErrorCreateDebugDescription + 52
21 Foundation 0x0000000191582748 -[NSError description] + 8