Crash initializing Apple II nib disk image

[ryandesign]

Using the latest code on master as of ac47b93 on macOS 12, if I boot the Apple DOS 3.3 master disk, then insert an empty nib disk image created by AppleCommander 1.9.0, then run INIT HELLO, Clock Signal crashes in Storage::Disk::track_serialisation right after the ] prompt reappears.

Here is the crash log.

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               Clock Signal [89110]
Path:                  /Volumes/VOLUME/*/Clock Signal.app/Contents/MacOS/Clock Signal
Identifier:            TH.Clock-Signal
Version:               23.10.29 (23.10.29)
Code Type:             X86-64 (Native)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2023-12-07 21:08:28.8068 -0600
OS Version:            macOS 12.7.1 (21G920)
Report Version:        12
Anonymous UUID:        FBC688DA-CA71-E41D-0E8C-E06F8E00D142

Sleep/Wake UUID:       4B479236-4A2E-4E78-A66E-18C521B17556

Time Awake Since Boot: 1500000 seconds
Time Since Wake:       11029 seconds

System Integrity Protection: enabled

Crashed Thread:        14

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
abort() called


Thread 0::  Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	    0x7ff81742496a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff817424cd8 mach_msg + 56
2   CoreFoundation                	    0x7ff817528450 __CFRunLoopServiceMachPort + 319
3   CoreFoundation                	    0x7ff817526ae0 __CFRunLoopRun + 1276
4   CoreFoundation                	    0x7ff817525f24 CFRunLoopRunSpecific + 562
5   HIToolbox                     	    0x7ff8206415e6 RunCurrentEventLoopInMode + 292
6   HIToolbox                     	    0x7ff82064134a ReceiveNextEventCommon + 594
7   HIToolbox                     	    0x7ff8206410e5 _BlockUntilNextEventMatchingListInModeWithFilter + 70
8   AppKit                        	    0x7ff819e97f6d _DPSNextEvent + 927
9   AppKit                        	    0x7ff819e9662a -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1394
10  AppKit                        	    0x7ff819e88cd9 -[NSApplication run] + 586
11  AppKit                        	    0x7ff819e5cc57 NSApplicationMain + 817
12  Clock Signal                  	       0x10e97dd29 main + 9 (AppDelegate.swift:12)
13  dyld                          	       0x11097352e start + 462

Thread 1:
0   libsystem_pthread.dylib       	    0x7ff81745cf48 start_wqthread + 0

Thread 2::  Dispatch queue: com.Metal.CommandQueueDispatch
0   libsystem_kernel.dylib        	    0x7ff8174249a6 semaphore_wait_trap + 10
1   libdispatch.dylib             	    0x7ff8172aa7ce _dispatch_sema4_wait + 16
2   libdispatch.dylib             	    0x7ff8172aac9d _dispatch_semaphore_wait_slow + 98
3   Metal                         	       0x10f3aa096 -[_MTLCommandQueue _submitAvailableCommandBuffers] + 1071
4   libdispatch.dylib             	    0x7ff8172aa317 _dispatch_client_callout + 8
5   libdispatch.dylib             	    0x7ff8172acd7c _dispatch_continuation_pop + 453
6   libdispatch.dylib             	    0x7ff8172be208 _dispatch_source_invoke + 2179
7   libdispatch.dylib             	    0x7ff8172b01cd _dispatch_lane_serial_drain + 342
8   libdispatch.dylib             	    0x7ff8172b0dfd _dispatch_lane_invoke + 366
9   libdispatch.dylib             	    0x7ff8172baeee _dispatch_workloop_worker_thread + 753
10  libsystem_pthread.dylib       	    0x7ff81745dfd0 _pthread_wqthread + 326
11  libsystem_pthread.dylib       	    0x7ff81745cf57 start_wqthread + 15

Thread 3:
0   libsystem_pthread.dylib       	    0x7ff81745cf48 start_wqthread + 0

Thread 4:: com.apple.NSEventThread
0   libsystem_kernel.dylib        	    0x7ff81742496a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff817424cd8 mach_msg + 56
2   CoreFoundation                	    0x7ff817528450 __CFRunLoopServiceMachPort + 319
3   CoreFoundation                	    0x7ff817526ae0 __CFRunLoopRun + 1276
4   CoreFoundation                	    0x7ff817525f24 CFRunLoopRunSpecific + 562
5   AppKit                        	    0x7ff81a00598e _NSEventThread + 132
6   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 5:
0   libsystem_kernel.dylib        	    0x7ff8174273da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff817461a6f _pthread_cond_wait + 1249
2   libc++.1.dylib                	    0x7ff8173bfd22 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 18
3   Clock Signal                  	       0x10e5c2e35 Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()::operator()() const + 109 (AsyncTaskQueue.hpp:132)
4   Clock Signal                  	       0x10e5c2d59 decltype(std::__1::forward<Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()>(fp)()) std::__1::__invoke<Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()>(Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()&&) + 5 (type_traits:3694) [inlined]
5   Clock Signal                  	       0x10e5c2d59 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()>&, std::__1::__tuple_indices<>) + 9 (thread:286) [inlined]
6   Clock Signal                  	       0x10e5c2d59 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<false, true, void>::start()::'lambda'()> >(void*) + 42 (thread:297)
7   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
8   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 6:
0   libsystem_kernel.dylib        	    0x7ff8174273da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff817461a6f _pthread_cond_wait + 1249
2   libc++.1.dylib                	    0x7ff8173bfd22 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 18
3   Clock Signal                  	       0x10e7ec19b Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()::operator()() const + 94 (AsyncTaskQueue.hpp:132) [inlined]
4   Clock Signal                  	       0x10e7ec19b decltype(std::__1::forward<Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()>(fp)()) std::__1::__invoke<Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()>(Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()&&) + 94 (type_traits:3694) [inlined]
5   Clock Signal                  	       0x10e7ec19b void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()>&, std::__1::__tuple_indices<>) + 94 (thread:286) [inlined]
6   Clock Signal                  	       0x10e7ec19b void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<true, false, (anonymous namespace)::MachineUpdater>::start()::'lambda'()> >(void*) + 145 (thread:297)
7   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
8   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 7:: CVDisplayLink
0   libsystem_kernel.dylib        	    0x7ff8174273da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff817461aa4 _pthread_cond_wait + 1302
2   CoreVideo                     	    0x7ff81f171e60 CVDisplayLink::waitUntil(unsigned long long) + 370
3   CoreVideo                     	    0x7ff81f170ddc CVDisplayLink::runIOThread() + 526
4   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
5   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 8:: AMCP Logging Spool
0   libsystem_kernel.dylib        	    0x7ff8174249a6 semaphore_wait_trap + 10
1   caulk                         	    0x7ff8203ce2e6 caulk::mach::semaphore::wait_or_error() + 16
2   caulk                         	    0x7ff8203b6148 caulk::concurrent::details::worker_thread::run() + 36
3   caulk                         	    0x7ff8203b5e0c void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*> > >(void*) + 41
4   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
5   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 9:
0   libsystem_kernel.dylib        	    0x7ff8174249a6 semaphore_wait_trap + 10
1   caulk                         	    0x7ff8203ce2e6 caulk::mach::semaphore::wait_or_error() + 16
2   caulk                         	    0x7ff8203b6148 caulk::concurrent::details::worker_thread::run() + 36
3   caulk                         	    0x7ff8203b5e0c void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*> > >(void*) + 41
4   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
5   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 10:: AQConverterThread
0   libsystem_kernel.dylib        	    0x7ff8174273da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff817461a6f _pthread_cond_wait + 1249
2   libAudioToolboxUtility.dylib  	    0x7ff8242c0bc4 CADeprecated::CAGuard::Wait() + 54
3   AudioToolbox                  	    0x7ff82534636a AQConverterManager::AQConverterThread::ConverterThreadEntry(void*) + 722
4   libAudioToolboxUtility.dylib  	    0x7ff8242a2e97 CADeprecated::CAPThread::Entry(CADeprecated::CAPThread*) + 77
5   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
6   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 11:: com.apple.audio.IOThread.client
0   libsystem_kernel.dylib        	    0x7ff81742496a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff817424cd8 mach_msg + 56
2   CoreAudio                     	    0x7ff818fdfc07 HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 111
3   CoreAudio                     	    0x7ff818e6a729 HALC_ProxyIOContext::IOWorkLoop() + 3931
4   CoreAudio                     	    0x7ff818e69205 invocation function for block in HALC_ProxyIOContext::HALC_ProxyIOContext(unsigned int, unsigned int) + 63
5   CoreAudio                     	    0x7ff819035616 HALB_IOThread::Entry(void*) + 72
6   libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15

Thread 12:
0   libsystem_pthread.dylib       	    0x7ff81745cf48 start_wqthread + 0

Thread 13:
0   libsystem_pthread.dylib       	    0x7ff81745cf48 start_wqthread + 0

Thread 14 Crashed:
0   libsystem_kernel.dylib        	    0x7ff81742affe __pthread_kill + 10
1   libsystem_pthread.dylib       	    0x7ff8174611ff pthread_kill + 263
2   libsystem_c.dylib             	    0x7ff8173acd14 abort + 123
3   libsystem_malloc.dylib        	    0x7ff81728a357 malloc_vreport + 551
4   libsystem_malloc.dylib        	    0x7ff81729e308 malloc_zone_error + 178
5   libsystem_malloc.dylib        	    0x7ff81728303d small_free_list_remove_ptr_no_clear + 1251
6   libsystem_malloc.dylib        	    0x7ff817280108 free_small + 847
7   Clock Signal                  	       0x10e871b5e void std::__1::__libcpp_operator_delete<void*>(void*) + 5 (new:245) [inlined]
8   Clock Signal                  	       0x10e871b5e void std::__1::__do_deallocate_handle_size<>(void*, unsigned long) + 5 (new:269) [inlined]
9   Clock Signal                  	       0x10e871b5e std::__1::__libcpp_deallocate(void*, unsigned long, unsigned long) + 5 (new:279) [inlined]
10  Clock Signal                  	       0x10e871b5e std::__1::allocator<unsigned long>::deallocate(unsigned long*, unsigned long) + 5 (memory:879) [inlined]
11  Clock Signal                  	       0x10e871b5e std::__1::allocator_traits<std::__1::allocator<unsigned long> >::deallocate(std::__1::allocator<unsigned long>&, unsigned long*, unsigned long) + 5 (allocator_traits.h:280) [inlined]
12  Clock Signal                  	       0x10e871b5e std::__1::vector<bool, std::__1::allocator<bool> >::~vector() + 10 (vector:2821) [inlined]
13  Clock Signal                  	       0x10e871b5e std::__1::vector<bool, std::__1::allocator<bool> >::~vector() + 10 (vector:2819) [inlined]
14  Clock Signal                  	       0x10e871b5e std::__1::vector<bool, std::__1::allocator<bool> >::reserve(unsigned long) + 142 (vector:3019)
15  Clock Signal                  	       0x10e5af20e std::__1::vector<bool, std::__1::allocator<bool> >::push_back(bool const&) + 98 (vector:3065)
16  Clock Signal                  	       0x10e741979 Storage::Disk::track_serialisation(Storage::Disk::Track const&, Storage::Time)::ResultAccumulator::digital_phase_locked_loop_output_bit(int) + 29 (TrackSerialiser.cpp:25) [inlined]
17  Clock Signal                  	       0x10e741979 Storage::DigitalPhaseLockedLoop<Storage::Disk::track_serialisation(Storage::Disk::Track const&, Storage::Time)::ResultAccumulator, 3ul>::run_for(Cycles) + 66 (DigitalPhaseLockedLoop.hpp:58) [inlined]
18  Clock Signal                  	       0x10e741979 Storage::Disk::track_serialisation(Storage::Disk::Track const&, Storage::Time) + 541 (TrackSerialiser.cpp:48)
19  Clock Signal                  	       0x10e8656de Storage::Disk::NIB::set_tracks(std::__1::map<Storage::Disk::Track::Address, std::__1::shared_ptr<Storage::Disk::Track>, std::__1::less<Storage::Disk::Track::Address>, std::__1::allocator<std::__1::pair<Storage::Disk::Track::Address const, std::__1::shared_ptr<Storage::Disk::Track> > > > const&) + 100 (NIB.cpp:156)
20  Clock Signal                  	       0x10e8e90ca std::__1::__function::__value_func<void ()>::operator()() const + 16 (functional:1885) [inlined]
21  Clock Signal                  	       0x10e8e90ca std::__1::function<void ()>::operator()() const + 16 (functional:2560) [inlined]
22  Clock Signal                  	       0x10e8e90ca Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()::operator()() const + 194 (AsyncTaskQueue.hpp:142)
23  Clock Signal                  	       0x10e8e8f99 decltype(std::__1::forward<Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()>(fp)()) std::__1::__invoke<Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()>(Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()&&) + 5 (type_traits:3694) [inlined]
24  Clock Signal                  	       0x10e8e8f99 void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()>&, std::__1::__tuple_indices<>) + 9 (thread:286) [inlined]
25  Clock Signal                  	       0x10e8e8f99 void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, Concurrency::AsyncTaskQueue<true, true, void>::start()::'lambda'()> >(void*) + 42 (thread:297)
26  libsystem_pthread.dylib       	    0x7ff8174614e1 _pthread_start + 125
27  libsystem_pthread.dylib       	    0x7ff81745cf6b thread_start + 15


Thread 14 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x000070000d346000  rcx: 0x000070000d3459f8  rdx: 0x0000000000000000
  rdi: 0x000000000001db23  rsi: 0x0000000000000006  rbp: 0x000070000d345a20  rsp: 0x000070000d3459f8
   r8: 0x0000000000000001   r9: 0x0000000000000000  r10: 0x0000000000000000  r11: 0x0000000000000246
  r12: 0x000000000001db23  r13: 0x0000000000000043  r14: 0x0000000000000006  r15: 0x0000000000000016
  rip: 0x00007ff81742affe  rfl: 0x0000000000000246  cr2: 0x0000000000000000
  
Logical CPU:     0
Error Code:      0x02000148 
Trap Number:     133


Binary Images:
    0x7ff817423000 -     0x7ff81745afff libsystem_kernel.dylib (*) <5bbc2e64-012e-34dd-8c02-41294a3d66e9> /usr/lib/system/libsystem_kernel.dylib
    0x7ff8174a8000 -     0x7ff8179a9fff com.apple.CoreFoundation (6.9) <ae0423bc-0596-3bab-82dd-3b0657402b08> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7ff820613000 -     0x7ff820906fff com.apple.HIToolbox (2.1.1) <913d3d2e-4e4c-3907-98fe-8f4abd551297> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
    0x7ff819e59000 -     0x7ff81ace8fff com.apple.AppKit (6.9) <461a4d7c-b3e3-3cbc-92b7-a2a419007281> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
       0x10e59f000 -        0x10e9defff TH.Clock-Signal (23.10.29) <35aac9a2-4e5c-351b-bf8d-3411c591ec49> /Volumes/VOLUME/*/Clock Signal.app/Contents/MacOS/Clock Signal
       0x11096e000 -        0x1109d9fff dyld (*) <771e1916-3a62-34cd-8488-c1021053c7fa> /usr/lib/dyld
    0x7ff81745b000 -     0x7ff817466fff libsystem_pthread.dylib (*) <e097f78f-fcfb-30f3-9164-dbc9709ba134> /usr/lib/system/libsystem_pthread.dylib
    0x7ff8172a7000 -     0x7ff8172edfff libdispatch.dylib (*) <85c90f84-c537-3cc6-b795-a066e050ffe3> /usr/lib/system/libdispatch.dylib
       0x10f389000 -        0x10f4c8fff com.apple.Metal (263.9) <d622ce86-1ed9-3362-90b2-96f02b650e32> /System/Library/Frameworks/Metal.framework/Versions/A/Metal
    0x7ff8173b4000 -     0x7ff81740cfff libc++.1.dylib (*) <a372724f-4642-369b-a01b-28e1f5e83ff1> /usr/lib/libc++.1.dylib
    0x7ff81f16f000 -     0x7ff81f1c0fff com.apple.CoreVideo (1.8) <fe89c8c7-c939-3115-afdb-7a6190835819> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
    0x7ff8203b4000 -     0x7ff8203d5fff com.apple.audio.caulk (1.0) <f04b5c91-d0ec-33c6-8a81-b80a3ebf827f> /System/Library/PrivateFrameworks/caulk.framework/Versions/A/caulk
    0x7ff824296000 -     0x7ff8242c6fff libAudioToolboxUtility.dylib (*) <373a26b5-6314-33d9-9af6-230bbc026f4c> /usr/lib/libAudioToolboxUtility.dylib
    0x7ff825310000 -     0x7ff82544cfff com.apple.audio.toolbox.AudioToolbox (1.14) <92da5f46-50e6-38e2-9f63-b9d80c4499de> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7ff818cb0000 -     0x7ff8193e5fff com.apple.audio.CoreAudio (5.0) <c1c6348f-cee2-3db6-84ea-18655a1fb122> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
    0x7ff81732b000 -     0x7ff8173b3fff libsystem_c.dylib (*) <4ecd1661-9d96-3669-bb31-4c6d5c685d4c> /usr/lib/system/libsystem_c.dylib
    0x7ff81727b000 -     0x7ff8172a6fff libsystem_malloc.dylib (*) <2ea05464-fac2-32fe-8e03-94252869554d> /usr/lib/system/libsystem_malloc.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 211
    thread_create: 0
    thread_set_state: 11823

VM Region Summary:
ReadOnly portion of Libraries: Total=1.1G resident=0K(0%) swapped_out_or_unallocated=1.1G(100%)
Writable regions: Total=656.9M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=656.9M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               256K        2 
Activity Tracing                   256K        1 
CG backing stores                 2160K        4 
CG image                            68K        8 
CG raster data                      16K        2 
ColorSync                          224K       27 
CoreAnimation                      724K       32 
CoreGraphics                        12K        2 
CoreUI image data                 3048K       20 
Foundation                          40K        2 
IOKit                             15.5M        2 
Kernel Alloc Once                    8K        1 
MALLOC                           254.0M       96 
MALLOC guard page                   32K        8 
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
STACK GUARD                       56.1M       15 
Stack                             15.1M       15 
VM_ALLOCATE                        480K       28 
__CTF                               756        1 
__DATA                            30.2M      509 
__DATA_CONST                      29.5M      329 
__DATA_DIRTY                      1566K      203 
__FONT_DATA                          4K        1 
__LINKEDIT                       652.9M       16 
__OBJC_RO                         82.9M        1 
__OBJC_RW                         3200K        2 
__TEXT                           499.9M      524 
__UNICODE                          592K        1 
dyld private memory               1024K        1 
mapped file                      167.9M       24 
shared memory                      784K       16 
===========                     =======  ======= 
TOTAL                              2.2G     1894 
TOTAL, minus reserved VM space     1.8G     1894 



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Full Report
-----------

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  "vmSummary" : "ReadOnly portion of Libraries: Total=1.1G resident=0K(0%) swapped_out_or_unallocated=1.1G(100%)\nWritable regions: Total=656.9M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=656.9M(100%)\n\n                                VIRTUAL   REGION \nREGION TYPE                        SIZE    COUNT (non-coalesced) \n===========                     =======  ======= \nAccelerate framework               256K        2 \nActivity Tracing                   256K        1 \nCG backing stores                 2160K        4 \nCG image                            68K        8 \nCG raster data                      16K        2 \nColorSync                          224K       27 \nCoreAnimation                      724K       32 \nCoreGraphics                        12K        2 \nCoreUI image data                 3048K       20 \nFoundation                          40K        2 \nIOKit                             15.5M        2 \nKernel Alloc Once                    8K        1 \nMALLOC                           254.0M       96 \nMALLOC guard page                   32K        8 \nMALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)\nSTACK GUARD                       56.1M       15 \nStack                             15.1M       15 \nVM_ALLOCATE                        480K       28 \n__CTF                               756        1 \n__DATA                            30.2M      509 \n__DATA_CONST                      29.5M      329 \n__DATA_DIRTY                      1566K      203 \n__FONT_DATA                          4K        1 \n__LINKEDIT                       652.9M       16 \n__OBJC_RO                         82.9M        1 \n__OBJC_RW                         3200K        2 \n__TEXT                           499.9M      524 \n__UNICODE                          592K        1 \ndyld private memory               1024K        1 \nmapped file                      167.9M       24 \nshared memory                      784K       16 \n===========                     =======  ======= \nTOTAL                              2.2G     1894 \nTOTAL, minus reserved VM space     1.8G     1894 \n",
  "legacyInfo" : {
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  "rollouts" : [
    {
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      "factorPackIds" : {

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Not sure if this is the same cause as other recent issues (#1227, #1249) but those didn't result in a crash.