Hi Quinn, thanks so much for your message!Since I can't find a way to attach the log, I'll just post the condensed version here:Process: SpiritVNC - FLTK [1638]Path: /Users/USER/*/SpiritVNC - FLTK.app/Contents/MacOS/SpiritVNC - FLTKIdentifier: SpiritVNC - FLTKVersion: 0Code Type: X86-64 (Native)Parent Process: ??? [1]Responsible: SpiritVNC - FLTK [1638]User ID: 502Date/Time: 2019-12-20 20:16:09.844 -0800OS Version: Mac OS X 10.15.2 (19C57)Report Version: 12Bridge OS Version:4.2 (17P2551)Anonymous UUID: [redacted]Time Awake Since Boot: 44000 secondsSystem Integrity Protection: enabledCrashed Thread: 13Exception Type: EXC_BAD_ACCESS (SIGSEGV)Exception Codes: EXC_I386_GPFLTException Note: EXC_CORPSE_NOTIFYTermination Signal:Segmentation fault: 11Termination Reason:Namespace SIGNAL, Code 0xbTerminating Process: exc handler [1638]Thread 13 Crashed:0 libxpc.dylib 0x00007fff7320ada4 xpc_release + 61 libxpc.dylib 0x00007fff7320d869 _xpc_dictionary_node_free + 622 libxpc.dylib 0x00007fff7320ab3f _xpc_dictionary_insert + 1813 libxpc.dylib 0x00007fff7320f253 xpc_dictionary_set_uint64 + 414 libnetwork.dylib 0x00007fff71808d90 nw_path_copy_dictionary_for_agent_with_generation + 8645 libnetwork.dylib 0x00007fff7177acda nw_path_snapshot_path + 4266 libnetwork.dylib 0x00007fff7175bfc6 nw_path_evaluator_evaluate + 21027 libnetwork.dylib 0x00007fff7175ae57 nw_path_create_evaluator_for_endpoint + 7598 libnetwork.dylib 0x00007fff71a5ac70 nw_nat64_get_interface_state_internal + 2569 libnetwork.dylib 0x00007fff71a5a6c9 nw_nat64_copy_prefixes_internal + 10510 libnetwork.dylib 0x00007fff71a5a32b nw_nat64_copy_prefixes + 17111 libnetwork.dylib 0x00007fff71a5cf27 nw_nat64_synthesize + 18312 libsystem_info.dylib 0x00007fff730f2379 _gai_nat64_v4_synthesize + 8913 libsystem_info.dylib 0x00007fff730cc8b2 _gai_nat64_synthesis + 48214 libsystem_info.dylib 0x00007fff730cc2a1 si_addrinfo + 123315 libsystem_info.dylib 0x00007fff730cbca7 _getaddrinfo_internal + 23116 libsystem_info.dylib 0x00007fff730cbbad getaddrinfo + 6117 libvncclient.1.dylib 0x000000010ba95012 ConnectClientToTcpAddr6 + 11618 libvncclient.1.dylib 0x000000010ba83579 ConnectToRFBServer + 10819 libvncclient.1.dylib 0x000000010ba969ef rfbInitClient + 111220 SpiritVNC - FLTK 0x000000010b8e0b63 VncObject::initVNCConnection(void*) + 64321 libsystem_pthread.dylib 0x00007fff731d5e65 _pthread_start + 14822 libsystem_pthread.dylib 0x00007fff731d183b thread_start + 15Thanks! 🙂

Here's another condensed crash report:Process: SpiritVNC - FLTK [1619]Path: /Users/USER/*/SpiritVNC - FLTK.app/Contents/MacOS/SpiritVNC - FLTKIdentifier: SpiritVNC - FLTKVersion: 0Code Type: X86-64 (Native)Parent Process: ??? [1]Responsible: SpiritVNC - FLTK [1619]User ID: 502Date/Time: 2019-12-20 20:14:38.354 -0800OS Version: Mac OS X 10.15.2 (19C57)Report Version: 12Bridge OS Version:4.2 (17P2551)Anonymous UUID: [redacted]Time Awake Since Boot: 44000 secondsSystem Integrity Protection: enabledCrashed Thread: 0 Dispatch queue: com.apple.main-threadException Type: EXC_BAD_ACCESS (SIGSEGV)Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000117Exception Note: EXC_CORPSE_NOTIFYTermination Signal:Segmentation fault: 11Termination Reason:Namespace SIGNAL, Code 0xbTerminating Process: exc handler [1619]VM Regions Near 0x117:-->__TEXT 000000010866f000-0000000108698000 [ 164K] r-x/r-x SM=COW /Users/USER/*/SpiritVNC - FLTK.app/Contents/MacOS/SpiritVNC - FLTKThread 0 Crashed:: Dispatch queue: com.apple.main-thread0 libdispatch.dylib 0x00007fff72f9690a _voucher_xref_dispose + 891 com.apple.CoreFoundation0x00007fff3bbdb4a8 _CFRelease + 2652 com.apple.HIToolbox 0x00007fff3a67e763 _DropPendingBoost + 493 com.apple.HIToolbox 0x00007fff3a664380 ReceiveNextEventCommon + 5714 com.apple.HIToolbox 0x00007fff3a664127 _BlockUntilNextEventMatchingListInModeWithFilter + 645 com.apple.AppKit 0x00007fff38cd5eb4 _DPSNextEvent + 9906 com.apple.AppKit 0x00007fff38cd4690 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 13527 libfltk.1.3.dylib 0x0000000108753a79 fl_wait(double) + 1508 libfltk.1.3.dylib 0x0000000108753b65 fl_mac_flush_and_wait(double) + 1799 libfltk.1.3.dylib 0x0000000108760f01 Fl::wait() + 2710 SpiritVNC - FLTK 0x000000010868c4a0 VncObject::createVNCObject(HostItem*, bool) + 102411 SpiritVNC - FLTK 0x00000001086792ab svHandleHostListEvents(Fl_Widget*, void*) + 26712 libfltk.1.3.dylib 0x00000001087ab2c5 Fl_Widget::do_callback(Fl_Widget*, void*) + 5513 libfltk.1.3.dylib 0x0000000108766e7b Fl_Browser_::handle(int) + 86314 libfltk.1.3.dylib 0x0000000108761d3b send_event(int, Fl_Widget*, Fl_Window*) + 12715 libfltk.1.3.dylib 0x000000010876171d Fl::handle_(int, Fl_Window*) + 29116 libfltk.1.3.dylib 0x0000000108756736 cocoaMouseHandler(NSEvent*) + 70117 com.apple.AppKit 0x00007fff38e7cfba -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 273818 com.apple.AppKit 0x00007fff38e7c2e5 -[NSWindow(NSEventRouting) sendEvent:] + 34919 com.apple.AppKit 0x00007fff38e7a65c -[NSApplication(NSEvent) sendEvent:] + 35220 libfltk.1.3.dylib 0x0000000108753a9c fl_wait(double) + 18521 libfltk.1.3.dylib 0x0000000108753b65 fl_mac_flush_and_wait(double) + 17922 libfltk.1.3.dylib 0x0000000108760f20 Fl::check() + 1223 SpiritVNC - FLTK 0x000000010868ea1e VncObject::masterMessageLoop(void*) + 28624 SpiritVNC - FLTK 0x000000010868830b main + 31525 libdyld.dylib 0x00007fff72fd17fd start + 1

Thanks for the info Quinn.I used most of the techniques you mentioned and they did not produce any meaningful results.It's frustrating because I used my app extensively, launched from the command-line, over the last two weeks and did not experience even one crash, but I can launch the exact same app from the Dock and it crashes after a few actions.I guess the next step is to ask the FLTK folks if they have any clues about this.Thanks for the help! 🙂

Thanks for the advice. 🙂Comically, my app does *not* crash when run from lldb or even when attached to lldb. I can use my app fine, crash-free, while under lldb. As soon as I detach lldb from my app and perform actions in it, I get this crash (please disregard the other earlier crash report with 'voucher_xref_dispose', that issue appears to be resolved). This is the same crash I get when launched from the Dock:Thread 6 Crashed:0 libxpc.dylib 0x00007fff701c4da4 xpc_release + 61 libxpc.dylib 0x00007fff701c7869 _xpc_dictionary_node_free + 622 libxpc.dylib 0x00007fff701c4b3f _xpc_dictionary_insert + 1813 libxpc.dylib 0x00007fff701c9253 xpc_dictionary_set_uint64 + 414 libnetwork.dylib 0x00007fff6e7c2d90 nw_path_copy_dictionary_for_agent_with_generation + 8645 libnetwork.dylib 0x00007fff6e734cda nw_path_snapshot_path + 4266 libnetwork.dylib 0x00007fff6e715fc6 nw_path_evaluator_evaluate + 21027 libnetwork.dylib 0x00007fff6e714e57 nw_path_create_evaluator_for_endpoint + 7598 libnetwork.dylib 0x00007fff6ea14c70 nw_nat64_get_interface_state_internal + 2569 libnetwork.dylib 0x00007fff6ea146c9 nw_nat64_copy_prefixes_internal + 10510 libnetwork.dylib 0x00007fff6ea1432b nw_nat64_copy_prefixes + 17111 libnetwork.dylib 0x00007fff6ea16f27 nw_nat64_synthesize + 18312 libsystem_info.dylib 0x00007fff700ac379 _gai_nat64_v4_synthesize + 8913 libsystem_info.dylib 0x00007fff700868b2 _gai_nat64_synthesis + 48214 libsystem_info.dylib 0x00007fff700862a1 si_addrinfo + 123315 libsystem_info.dylib 0x00007fff70085ca7 _getaddrinfo_internal + 23116 libsystem_info.dylib 0x00007fff70085bad getaddrinfo + 6117 libvncclient.1.dylib 0x00000001006a7012 ConnectClientToTcpAddr6 + 11618 libvncclient.1.dylib 0x0000000100695579 ConnectToRFBServer + 10819 libvncclient.1.dylib 0x00000001006a89ef rfbInitClient + 111220 SpiritVNC - FLTK 0x00000001004ec98b VncObject::initVNCConnection(void*) + 971 (vnc.cxx:635)21 libsystem_pthread.dylib 0x00007fff7018fe65 _pthread_start + 14822 libsystem_pthread.dylib 0x00007fff7018b83b thread_start + 15

Thank you 🙂The core is available at: https://www.pismotek.com/downloads/core.719.zipHere is the corresponding crash report:Process: SpiritVNC - FLTK [719] Path: /Users/USER/*/SpiritVNC - FLTK.app/Contents/MacOS/SpiritVNC - FLTK Identifier: SpiritVNC - FLTK Version: 0 Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: SpiritVNC - FLTK [719] User ID: 502 Date/Time: 2020-01-07 09:05:47.291 -0800 OS Version: Mac OS X 10.15.2 (19C57) Report Version: 12 Bridge OS Version: 4.2 (17P2551) Anonymous UUID: [redacted] Time Awake Since Boot: 3900 seconds System Integrity Protection: enabled Crashed Thread: 9 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: EXC_I386_GPFLT Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [719] Thread 0:: Dispatch queue: com.apple.main-thread 0 libsystem_platform.dylib 0x00007fff65616c09 _platform_bzero$VARIANT$Haswell + 41 1 libsystem_malloc.dylib 0x00007fff655e1be2 large_malloc + 1223 2 libsystem_malloc.dylib 0x00007fff655d7357 szone_malloc_should_clear + 235 3 libsystem_malloc.dylib 0x00007fff655d832c malloc_zone_calloc + 99 4 com.apple.CoreGraphics 0x00007fff2e3a0197 CGSImageDataHandleCreate + 83 5 com.apple.CoreGraphics 0x00007fff2e39e4e9 img_data_lock + 6513 6 com.apple.CoreGraphics 0x00007fff2e39908b CGSImageDataLock + 1433 7 com.apple.CoreGraphics 0x00007fff2e398292 ripc_AcquireRIPImageData + 460 8 com.apple.CoreGraphics 0x00007fff2e396f6c ripc_DrawImage + 1198 9 com.apple.CoreGraphics 0x00007fff2e3961d0 CGContextDrawImageWithOptions + 454 10 com.apple.QuartzCore 0x00007fff3978da44 CA::Render::(anonymous namespace)::create_image_by_rendering(CGImage*, CGColorSpace*, unsigned int, double, CA::Render::ImageCopyType) + 1145 11 com.apple.QuartzCore 0x00007fff3978c70f CA::Render::copy_image(CGImage*, CGColorSpace*, unsigned int, double, double) + 4042 12 com.apple.QuartzCore 0x00007fff3978b72e CA::Render::prepare_image(CGImage*, CGColorSpace*, unsigned int, double) + 20 13 com.apple.QuartzCore 0x00007fff3978b4f9 CA::Layer::prepare_commit(CA::Transaction*) + 575 14 com.apple.QuartzCore 0x00007fff397653e9 CA::Context::commit_transaction(CA::Transaction*, double) + 349 15 com.apple.QuartzCore 0x00007fff39764002 CA::Transaction::commit() + 638 16 com.apple.QuartzCore 0x00007fff3979f966 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 66 17 com.apple.CoreFoundation 0x00007fff2df5e0ee __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23 18 com.apple.CoreFoundation 0x00007fff2df5e014 __CFRunLoopDoObservers + 457 19 com.apple.CoreFoundation 0x00007fff2df5cc0e CFRunLoopRunSpecific + 558 20 com.apple.HIToolbox 0x00007fff2cab365d RunCurrentEventLoopInMode + 292 21 com.apple.HIToolbox 0x00007fff2cab32a9 ReceiveNextEventCommon + 356 22 com.apple.HIToolbox 0x00007fff2cab3127 _BlockUntilNextEventMatchingListInModeWithFilter + 64 23 com.apple.AppKit 0x00007fff2b124eb4 _DPSNextEvent + 990 24 com.apple.AppKit 0x00007fff2b123690 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352 25 libfltk.1.3.dylib 0x000000010b1f5a79 fl_wait(double) + 150 26 libfltk.1.3.dylib 0x000000010b1f5b65 fl_mac_flush_and_wait(double) + 179 27 libfltk.1.3.dylib 0x000000010b202f20 Fl::check() + 12 28 SpiritVNC - FLTK 0x000000010b12783f VncObject::createVNCObject(HostItem*, bool) + 3039 (vnc.cxx:191) 29 SpiritVNC - FLTK 0x000000010b113c7c svHandleHostListEvents(Fl_Widget*, void*) + 300 (app.cxx:1317) 30 libfltk.1.3.dylib 0x000000010b24d2c5 Fl_Widget::do_callback(Fl_Widget*, void*) + 55 31 libfltk.1.3.dylib 0x000000010b208e7b Fl_Browser_::handle(int) + 863 32 libfltk.1.3.dylib 0x000000010b203d3b send_event(int, Fl_Widget*, Fl_Window*) + 127 33 libfltk.1.3.dylib 0x000000010b20371d Fl::handle_(int, Fl_Window*) + 291 34 libfltk.1.3.dylib 0x000000010b1f8736 cocoaMouseHandler(NSEvent*) + 701 35 com.apple.AppKit 0x00007fff2b2cbfba -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 2738 36 com.apple.AppKit 0x00007fff2b2cb2e5 -[NSWindow(NSEventRouting) sendEvent:] + 349 37 com.apple.AppKit 0x00007fff2b2c965c -[NSApplication(NSEvent) sendEvent:] + 352 38 libfltk.1.3.dylib 0x000000010b1f5a9c fl_wait(double) + 185 39 libfltk.1.3.dylib 0x000000010b1f5b65 fl_mac_flush_and_wait(double) + 179 40 libfltk.1.3.dylib 0x000000010b202f20 Fl::check() + 12 41 SpiritVNC - FLTK 0x000000010b12783f VncObject::createVNCObject(HostItem*, bool) + 3039 (vnc.cxx:191) 42 SpiritVNC - FLTK 0x000000010b113c7c svHandleHostListEvents(Fl_Widget*, void*) + 300 (app.cxx:1317) 43 libfltk.1.3.dylib 0x000000010b24d2c5 Fl_Widget::do_callback(Fl_Widget*, void*) + 55 44 libfltk.1.3.dylib 0x000000010b208e7b Fl_Browser_::handle(int) + 863 45 libfltk.1.3.dylib 0x000000010b203d3b send_event(int, Fl_Widget*, Fl_Window*) + 127 46 libfltk.1.3.dylib 0x000000010b20371d Fl::handle_(int, Fl_Window*) + 291 47 libfltk.1.3.dylib 0x000000010b1f8736 cocoaMouseHandler(NSEvent*) + 701 48 com.apple.AppKit 0x00007fff2b2cbfba -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 2738 49 com.apple.AppKit 0x00007fff2b2cb2e5 -[NSWindow(NSEventRouting) sendEvent:] + 349 50 com.apple.AppKit 0x00007fff2b2c965c -[NSApplication(NSEvent) sendEvent:] + 352 51 libfltk.1.3.dylib 0x000000010b1f5a9c fl_wait(double) + 185 52 libfltk.1.3.dylib 0x000000010b1f5b65 fl_mac_flush_and_wait(double) + 179 53 libfltk.1.3.dylib 0x000000010b202f20 Fl::check() + 12 54 SpiritVNC - FLTK 0x000000010b129960 VncObject::masterMessageLoop(void*) + 352 (vnc.cxx:700) 55 SpiritVNC - FLTK 0x000000010b122e77 main + 487 (spiritvnc.cxx:124) 56 libdyld.dylib 0x00007fff654207fd start + 1 Thread 1:: com.apple.NSEventThread 0 libsystem_kernel.dylib 0x00007fff6556125a mach_msg_trap + 10 1 libsystem_kernel.dylib 0x00007fff655615d0 mach_msg + 60 2 com.apple.CoreFoundation 0x00007fff2df5ed0b __CFRunLoopServiceMachPort + 322 3 com.apple.CoreFoundation 0x00007fff2df5d8e7 __CFRunLoopRun + 1695 4 com.apple.CoreFoundation 0x00007fff2df5cbd3 CFRunLoopRunSpecific + 499 5 com.apple.AppKit 0x00007fff2b2c7a72 _NSEventThread + 132 6 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 7 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 2: 0 libsystem_pthread.dylib 0x00007fff65620818 start_wqthread + 0 Thread 3: 0 libsystem_pthread.dylib 0x00007fff65620818 start_wqthread + 0 Thread 4: 0 libsystem_pthread.dylib 0x00007fff65620818 start_wqthread + 0 Thread 5: 0 libsystem_kernel.dylib 0x00007fff655647de __connect + 10 1 SpiritVNC - FLTK 0x000000010b124421 svCreateSSHConnection(void*) + 945 (ssh.cxx:106) 2 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 3 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 6: 0 libsystem_kernel.dylib 0x00007fff655647de __connect + 10 1 libvncclient.1.dylib 0x000000010b2e306c ConnectClientToTcpAddr6 + 206 2 libvncclient.1.dylib 0x000000010b2d1579 ConnectToRFBServer + 108 3 libvncclient.1.dylib 0x000000010b2e49ef rfbInitClient + 1112 4 SpiritVNC - FLTK 0x000000010b128a8e VncObject::initVNCConnection(void*) + 734 (vnc.cxx:588) 5 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 6 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 7: 0 libsystem_kernel.dylib 0x00007fff655647de __connect + 10 1 SpiritVNC - FLTK 0x000000010b124421 svCreateSSHConnection(void*) + 945 (ssh.cxx:106) 2 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 3 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 8: 0 libsystem_kernel.dylib 0x00007fff655647de __connect + 10 1 libvncclient.1.dylib 0x000000010b2e306c ConnectClientToTcpAddr6 + 206 2 libvncclient.1.dylib 0x000000010b2d1579 ConnectToRFBServer + 108 3 libvncclient.1.dylib 0x000000010b2e49ef rfbInitClient + 1112 4 SpiritVNC - FLTK 0x000000010b128a8e VncObject::initVNCConnection(void*) + 734 (vnc.cxx:588) 5 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 6 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 9 Crashed: 0 libxpc.dylib 0x00007fff65659da4 xpc_release + 6 1 libxpc.dylib 0x00007fff6565c869 _xpc_dictionary_node_free + 62 2 libxpc.dylib 0x00007fff65659b3f _xpc_dictionary_insert + 181 3 libxpc.dylib 0x00007fff6565e253 xpc_dictionary_set_uint64 + 41 4 libnetwork.dylib 0x00007fff63c57d90 nw_path_copy_dictionary_for_agent_with_generation + 864 5 libnetwork.dylib 0x00007fff63bc9cda nw_path_snapshot_path + 426 6 libnetwork.dylib 0x00007fff63baafc6 nw_path_evaluator_evaluate + 2102 7 libnetwork.dylib 0x00007fff63ba9e57 nw_path_create_evaluator_for_endpoint + 759 8 libnetwork.dylib 0x00007fff63ea9c70 nw_nat64_get_interface_state_internal + 256 9 libnetwork.dylib 0x00007fff63ea96c9 nw_nat64_copy_prefixes_internal + 105 10 libnetwork.dylib 0x00007fff63ea932b nw_nat64_copy_prefixes + 171 11 libnetwork.dylib 0x00007fff63eabf27 nw_nat64_synthesize + 183 12 libsystem_info.dylib 0x00007fff65541379 _gai_nat64_v4_synthesize + 89 13 libsystem_info.dylib 0x00007fff6551b8b2 _gai_nat64_synthesis + 482 14 libsystem_info.dylib 0x00007fff6551b2a1 si_addrinfo + 1233 15 libsystem_info.dylib 0x00007fff6551aca7 _getaddrinfo_internal + 231 16 libsystem_info.dylib 0x00007fff6551abad getaddrinfo + 61 17 libvncclient.1.dylib 0x000000010b2e3012 ConnectClientToTcpAddr6 + 116 18 libvncclient.1.dylib 0x000000010b2d1579 ConnectToRFBServer + 108 19 libvncclient.1.dylib 0x000000010b2e49ef rfbInitClient + 1112 20 SpiritVNC - FLTK 0x000000010b128a8e VncObject::initVNCConnection(void*) + 734 (vnc.cxx:588) 21 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 22 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 10: 0 libsystem_kernel.dylib 0x00007fff655695be __select + 10 1 libfltk.1.3.dylib 0x000000010b1f4a2d DataReady::DataReadyThread(void*) + 259 2 libsystem_pthread.dylib 0x00007fff65624e65 _pthread_start + 148 3 libsystem_pthread.dylib 0x00007fff6562083b thread_start + 15 Thread 9 crashed with X86 Thread State (64-bit): rax: 0xffffffffffffffff rbx: 0x00006000022205f0 rcx: 0x0000600002500a50 rdx: 0x6905beefbd2956e8 rdi: 0xe2160458f3753a00 rsi: 0x0000600002220610 rbp: 0x00007000094e8d50 rsp: 0x00007000094e8d38 r8: 0x0000000000000000 r9: 0x0000000000000240 r10: 0x00007fff8f421798 r11: 0x00007fff653c6f4f r12: 0xe2160458f3753a00 r13: 0x00007000094e8ec0 r14: 0x0000600002500a20 r15: 0xe216061494086add rip: 0x00007fff65659da4 rfl: 0x0000000000010246 cr2: 0x00007000094e8fb8 Logical CPU: 6 Error Code: 0x00000000 Trap Number: 13 Binary Images: 0x10b109000 - 0x10b132ff3 +SpiritVNC - FLTK (0) <3DE3EFBB-3DEF-3989-B1A0-706190D34A38> /Users/USER/*/SpiritVNC - FLTK.app/Contents/MacOS/SpiritVNC - FLTK 0x10b15b000 - 0x10b162ff3 +libfltk_images.1.3.dylib (0) <76B53C08-F172-354C-AB0B-68183E61718E> /opt/local/lib/libfltk_images.1.3.dylib 0x10b170000 - 0x10b192ffb +libpng16.16.dylib (0) /opt/local/lib/libpng16.16.dylib 0x10b1a2000 - 0x10b1b2ff3 +libz.1.dylib (0) <8553893B-8E4E-3E2C-A558-6EBD9669DF47> /opt/local/lib/libz.1.dylib 0x10b1ba000 - 0x10b1e7ffb +libjpeg.9.dylib (0) /opt/local/lib/libjpeg.9.dylib 0x10b1f2000 - 0x10b277ffb +libfltk.1.3.dylib (0) <2EABDB81-3289-3BE6-B22E-333931534A0D> /opt/local/lib/libfltk.1.3.dylib 0x10b2ce000 - 0x10b2ebff3 +libvncclient.1.dylib (0) <66781C5D-22E3-394D-BCC1-7B9CF52A06A4> /opt/local/lib/libvncclient.1.dylib 0x10b2f6000 - 0x10b328ff3 +libvncserver.1.dylib (0) /opt/local/lib/libvncserver.1.dylib 0x10b34f000 - 0x10b379ffb +libssh2.1.dylib (0) <1058515E-C3E3-32D2-B36D-D4DE2D112E95> /opt/local/lib/libssh2.1.dylib 0x10b387000 - 0x10b41aff7 +libgcrypt.20.dylib (0) <32D7260F-2765-3951-9F0B-C7E2564F8140> /opt/local/lib/libgcrypt.20.dylib 0x10b439000 - 0x10b44cff7 +libsasl2.3.dylib (0) <7EBBD1E2-166E-322C-A271-06C895741D0D> /opt/local/lib/libsasl2.3.dylib 0x10b453000 - 0x10b46afff +liblzo2.2.dylib (0) /opt/local/lib/liblzo2.2.dylib 0x10b474000 - 0x10b5c4fc7 +libgnutls.30.dylib (0) <8CE99A7B-6D1B-350E-A283-8F3545AC9730> /opt/local/lib/libgnutls.30.dylib 0x10b60d000 - 0x10b622ffb +libgpg-error.0.dylib (0) <2A1307FC-C5D3-3AAC-8293-659999C73A11> /opt/local/lib/libgpg-error.0.dylib 0x10b62d000 - 0x10b635ff7 +libintl.8.dylib (0) <1DDA13D4-AC56-374E-9B4C-99E429BBBD0A> /opt/local/lib/libintl.8.dylib 0x10b642000 - 0x10b735ff3 +libiconv.2.dylib (0) <0F039BC8-8F83-36DB-A7C6-E231A414749D> /opt/local/lib/libiconv.2.dylib 0x10b745000 - 0x10b773fff +libgssapi_krb5.2.2.dylib (0) <99ED22AF-DE80-334D-B377-72AD34D6939B> /opt/local/lib/libgssapi_krb5.2.2.dylib 0x10b78a000 - 0x10b809fff +libkrb5.3.3.dylib (0) <2E0130F9-EB06-3260-8C97-BFE6BB0F5FCF> /opt/local/lib/libkrb5.3.3.dylib 0x10b846000 - 0x10b855ff3 +libk5crypto.3.1.dylib (0) <100885EE-9C28-3EDD-93A8-0B23418DEEA9> /opt/local/lib/libk5crypto.3.1.dylib 0x10b860000 - 0x10b861ffb +libcom_err.1.1.dylib (0) <1D7070FF-100D-37F3-80A9-EFB2342A6538> /opt/local/lib/libcom_err.1.1.dylib 0x10b868000 - 0x10b86efff +libkrb5support.1.1.dylib (0) <0DAB9411-36B3-38C5-A8D6-44DE86957568> /opt/local/lib/libkrb5support.1.1.dylib 0x10b878000 - 0x10ba00ee7 +libcrypto.1.1.dylib (0) /opt/local/lib/libcrypto.1.1.dylib 0x10ba93000 - 0x10bb35ff3 +libp11-kit.0.dylib (0) /opt/local/lib/libp11-kit.0.dylib 0x10bbf7000 - 0x10bc15ffb +libidn2.0.dylib (0) /opt/local/lib/libidn2.0.dylib 0x10bc1b000 - 0x10bd7dfff +libunistring.2.dylib (0) /opt/local/lib/libunistring.2.dylib 0x10bd97000 - 0x10bda3ff7 +libtasn1.6.dylib (0) /opt/local/lib/libtasn1.6.dylib 0x10bdae000 - 0x10bdd5ffb +libnettle.7.dylib (0) <7CB1E3EC-8889-3EF2-B82C-DB68D2291165> /opt/local/lib/libnettle.7.dylib 0x10bdfb000 - 0x10be23ff7 +libhogweed.5.dylib (0) /opt/local/lib/libhogweed.5.dylib 0x10be43000 - 0x10beb2fd7 +libgmp.10.dylib (0) <34D08A81-24BF-3606-8A0C-AB371A2510C0> /opt/local/lib/libgmp.10.dylib 0x10bec2000 - 0x10bec6ff7 +libffi.6.dylib (0) <2B1DC795-48D6-3682-BA76-6C1A5E2CFABD> /opt/local/lib/libffi.6.dylib 0x10bed0000 - 0x10bf1ffff +libssl.1.1.dylib (0) <3B825CB5-84D1-3EE7-9381-9F7BBDC3A361> /opt/local/lib/libssl.1.1.dylib 0x10f374000 - 0x10f377047 libobjc-trampolines.dylib (781.2) /usr/lib/libobjc-trampolines.dylib 0x119ad8000 - 0x119b68cb7 dyld (733.8) /usr/lib/dyld 0x7fff26ba8000 - 0x7fff26fbcff6 com.apple.driver.AppleIntelKBLGraphicsMTLDriver (14.3.9 - 14.0.3) <3E9269FA-FAB5-3ED0-9179-BA1F2AEEAAEF> /System/Library/Extensions/AppleIntelKBLGraphicsMTLDriver.bundle/Contents/MacOS/AppleIntelKBLGraphicsMTLDriver 0x7fff29c83000 - 0x7fff29c83fff com.apple.Accelerate (1.11 - Accelerate 1.11) /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate 0x7fff29c84000 - 0x7fff29c9afff libCGInterfaces.dylib (524.2) <3DA50D4A-BE22-33FB-AE8E-4B68FE3294CF> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/Libraries/libCGInterfaces.dylib 0x7fff29c9b000 - 0x7fff2a306fef com.apple.vImage (8.1 - 524.2) <2BDE5231-B5ED-313E-918A-876ACE1C0FCF> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage 0x7fff2a307000 - 0x7fff2a570fff libBLAS.dylib (1303.60.1) <94F6B3C0-5039-3F66-8B2E-98791287E459> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib 0x7fff2a571000 - 0x7fff2a860ff7 libBNNS.dylib (144.40.3) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib 0x7fff2a862000 - 0x7fff2ac07fff libLAPACK.dylib (1303.60.1) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib 0x7fff2ac08000 - 0x7fff2ac1dff8 libLinearAlgebra.dylib (1303.60.1) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib 0x7fff2ac1e000 - 0x7fff2ac23ff3 libQuadrature.dylib (7) <17EC31E3-3D77-3B5A-8ADD-6A3DBC1531E7> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib 0x7fff2ac24000 - 0x7fff2ac94fff libSparse.dylib (103) <350DAE1C-C990-343F-A98A-1B4317EAA869> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparse.dylib 0x7fff2ac95000 - 0x7fff2aca7fef libSparseBLAS.dylib (1303.60.1) <8C0C7291-AC3A-3808-9D45-E359A5E03F0E> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib 0x7fff2aca8000 - 0x7fff2ae81ffb libvDSP.dylib (735.40.1) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib 0x7fff2ae82000 - 0x7fff2af3dfd7 libvMisc.dylib (735.40.1) <9C40AC77-59A4-3180-AA4F-8F13CABF02D9> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib 0x7fff2af3e000 - 0x7fff2af3efff com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib 0x7fff2af3f000 - 0x7fff2af9effc com.apple.Accounts (113 - 113) /System/Library/Frameworks/Accounts.framework/Versions/A/Accounts 0x7fff2b0e4000 - 0x7fff2be9ffff com.apple.AppKit (6.9 - 1894.20.140) <80D94BA8-5CEC-3D85-AEE9-364513234AC6> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit 0x7fff2beef000 - 0x7fff2beeffff com.apple.ApplicationServices (48 - 50) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices 0x7fff2bef0000 - 0x7fff2bf5bfff com.apple.ApplicationServices.ATS (377 - 493.0.2.1) <6BDB3B14-0F4E-3B10-93C8-7F0E5E4F2EFE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS 0x7fff2bff4000 - 0x7fff2c032ff8 libFontRegistry.dylib (274.0.2.3) <3DD574D6-06F2-35A1-8CE0-6097BDD3DE1F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib 0x7fff2c08d000 - 0x7fff2c0bcff7 com.apple.ATSUI (1.0 - 1) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATSUI.framework/Versions/A/ATSUI 0x7fff2c0bd000 - 0x7fff2c0c1ff3 com.apple.ColorSyncLegacy (4.13.0 - 1) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSyncLegacy.framework/Versions/A/ColorSyncLegacy 0x7fff2c15c000 - 0x7fff2c1b2ff2 com.apple.HIServices (1.22 - 674.1) <8A3BBFB0-D41E-3BF1-AF8F-4E9082A49FC6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices 0x7fff2c1b3000 - 0x7fff2c1c1fff com.apple.LangAnalysis (1.7.0 - 1.7.0) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis 0x7fff2c1c2000 - 0x7fff2c207ff2 com.apple.print.framework.PrintCore (15 - 516) <14C48FDF-5E58-391B-873E-B96E55CDA21C> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore 0x7fff2c208000 - 0x7fff2c212fff com.apple.QD (4.0 - 413) /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD 0x7fff2c213000 - 0x7fff2c220ff0 com.apple.speech.synthesis.framework (9.0.24 - 9.0.24) <16454C5C-4029-396A-A8F4-730E50CE2024> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis 0x7fff2c221000 - 0x7fff2c301ffa com.apple.audio.toolbox.AudioToolbox (1.14 - 1.14) <9F13C2FB-6042-339A-8D85-E8E499BA856B> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox 0x7fff2c303000 - 0x7fff2c303fff com.apple.audio.units.AudioUnit (1.14 - 1.14) <22A443ED-28B0-3161-9CF6-890FD03275D3> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit 0x7fff2c679000 - 0x7fff2ca05ff6 com.apple.CFNetwork (1121.1.2 - 1121.1.2) /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork 0x7fff2ca84000 - 0x7fff2cd78ffb com.apple.HIToolbox (2.1.1 - 994) <21D1507B-BFC3-33B7-88FE-64417FE9CAD5> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox 0x7fff2cdc3000 - 0x7fff2cdc9ff7 com.apple.speech.recognition.framework (6.0.3 - 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0x7fff2e35afe7 com.apple.CoreFoundation (6.9 - 1674.103) /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation 0x7fff2e35c000 - 0x7fff2e9d5ff0 com.apple.CoreGraphics (2.0 - 1348.15) <21459707-0D60-3520-9999-49511ED16D85> /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics 0x7fff2e9e3000 - 0x7fff2ed40ff5 com.apple.CoreImage (15.0.0 - 920.9) <0A757F12-78A7-3C10-8F1D-118D855F6C65> /System/Library/Frameworks/CoreImage.framework/Versions/A/CoreImage 0x7fff2f2ca000 - 0x7fff2f2cafff com.apple.CoreServices (1069.11 - 1069.11) /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices 0x7fff2f2cb000 - 0x7fff2f350fff com.apple.AE (838 - 838) <1D2A4944-20FA-372A-B8DE-01067521CF8C> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE 0x7fff2f351000 - 0x7fff2f632ff7 com.apple.CoreServices.CarbonCore (1217 - 1217) <17EE58A1-232F-3E35-AC81-C88509A1CE8F> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore 0x7fff2f633000 - 0x7fff2f680ffd com.apple.DictionaryServices (1.2 - 323.3) <631AEDD4-9328-33A7-ACE5-5FDE790FE7FD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices 0x7fff2f681000 - 0x7fff2f689fff com.apple.CoreServices.FSEvents (1268.60.1 - 1268.60.1) <9C5A3C2D-CA76-329E-B80C-9CA1A1B1BE51> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/FSEvents.framework/Versions/A/FSEvents 0x7fff2f68a000 - 0x7fff2f8c3ff0 com.apple.LaunchServices (1069.11 - 1069.11) <7D9167B7-8C60-3F42-BA15-8A85E6238FD2> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices 0x7fff2f8c4000 - 0x7fff2f95cff9 com.apple.Metadata (10.7.0 - 2075.4) /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata 0x7fff2f95d000 - 0x7fff2f98aff7 com.apple.CoreServices.OSServices (1069.11 - 1069.11) /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices 0x7fff2f98b000 - 0x7fff2f9f2fff com.apple.SearchKit (1.4.1 - 1.4.1) <644BE782-F3CA-3CC2-A062-5472ECC68230> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit 0x7fff2f9f3000 - 0x7fff2fa17ff5 com.apple.coreservices.SharedFileList (131.3 - 131.3) <3B586025-C347-38CF-B89F-9942CB88AA79> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SharedFileList.framework/Versions/A/SharedFileList 0x7fff2fd40000 - 0x7fff2fef4ffe com.apple.CoreText (643.1.2.3 - 643.1.2.3) <97DA20DE-64C9-3589-92EB-BEC07B81EF19> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText 0x7fff2fef5000 - 0x7fff2ff39fff com.apple.CoreVideo (1.8 - 334.0) <63E19193-0864-373F-AC59-DC97514B02A5> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo 0x7fff2ff3a000 - 0x7fff2ffc7ff9 com.apple.framework.CoreWLAN (13.0 - 1455.3) /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLAN 0x7fff30267000 - 0x7fff3026dfff com.apple.DiskArbitration (2.7 - 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0x7fff5adf8ff9 com.apple.SecCodeWrapper (4.0 - 448.60.2) <4EED91B7-2B87-3EDF-9E92-311F55247B3C> /System/Library/PrivateFrameworks/SecCodeWrapper.framework/Versions/A/SecCodeWrapper 0x7fff5af6b000 - 0x7fff5b08fff4 com.apple.Sharing (1506.6 - 1506.6) <6E65B170-45C1-354E-8D55-22BF5DFF9C90> /System/Library/PrivateFrameworks/Sharing.framework/Versions/A/Sharing 0x7fff5c0a7000 - 0x7fff5c39fffa com.apple.SkyLight (1.600.0 - 450.1) <65653F86-25AD-3283-9F81-DA56A8D01F69> /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/SkyLight 0x7fff5cbe7000 - 0x7fff5cbf5fff com.apple.SpeechRecognitionCore (6.0.91 - 6.0.91) <0D6C7167-ECA8-3D6E-BC08-CCE8B4115F8E> /System/Library/PrivateFrameworks/SpeechRecognitionCore.framework/Versions/A/SpeechRecognitionCore 0x7fff5d418000 - 0x7fff5d421ff7 com.apple.SymptomDiagnosticReporter (1.0 - 1238.60.1) <06787E03-CFFE-3240-B95A-8D2763ED550B> /System/Library/PrivateFrameworks/SymptomDiagnosticReporter.framework/Versions/A/SymptomDiagnosticReporter 0x7fff5d6d7000 - 0x7fff5d6e7ff3 com.apple.TCC (1.0 - 1) <5DDF1103-C7EE-3588-A532-F33AC526B288> /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC 0x7fff5dbdc000 - 0x7fff5dca3ff4 com.apple.TextureIO (3.10.9 - 3.10.9) <360BB4A8-E37F-30DB-B798-2DAD29DEA9D3> /System/Library/PrivateFrameworks/TextureIO.framework/Versions/A/TextureIO 0x7fff5eafa000 - 0x7fff5ed54ff2 com.apple.UIFoundation (1.0 - 660) <5BAA592B-3B1B-367F-8A26-3AFFB4C355D0> /System/Library/PrivateFrameworks/UIFoundation.framework/Versions/A/UIFoundation 0x7fff5f948000 - 0x7fff5f968fff com.apple.UserManagement (1.0 - 1) /System/Library/PrivateFrameworks/UserManagement.framework/Versions/A/UserManagement 0x7fff6071c000 - 0x7fff60806ffe com.apple.ViewBridge (462 - 462) /System/Library/PrivateFrameworks/ViewBridge.framework/Versions/A/ViewBridge 0x7fff609ac000 - 0x7fff609adfff com.apple.WatchdogClient.framework (1.0 - 67.60.1) /System/Library/PrivateFrameworks/WatchdogClient.framework/Versions/A/WatchdogClient 0x7fff6158a000 - 0x7fff6158dffa com.apple.dt.XCTTargetBootstrap (1.0 - 15700) /System/Library/PrivateFrameworks/XCTTargetBootstrap.framework/Versions/A/XCTTargetBootstrap 0x7fff61606000 - 0x7fff61614ff5 com.apple.audio.caulk (1.0 - 32.3) <400717FB-3552-3F61-BCBE-53F89F33DDAE> /System/Library/PrivateFrameworks/caulk.framework/Versions/A/caulk 0x7fff61955000 - 0x7fff61957ff3 com.apple.loginsupport (1.0 - 1) <1E3EFDAA-97FB-352A-8802-005343FE60F9> /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport 0x7fff61958000 - 0x7fff6196bffd com.apple.login (3.0 - 3.0) <40531B9D-B0F1-371F-A5E8-0FC91D7AD175> /System/Library/PrivateFrameworks/login.framework/Versions/A/login 0x7fff61c7b000 - 0x7fff61cb1ffa libAudioToolboxUtility.dylib (1104.30) <5688DDAC-8A24-3061-B431-43AFCA320EF5> /usr/lib/libAudioToolboxUtility.dylib 0x7fff61cb8000 - 0x7fff61cedff7 libCRFSuite.dylib (48) <7E22F62C-3EEA-3880-9CCD-0EA93FB953DC> /usr/lib/libCRFSuite.dylib 0x7fff61cf0000 - 0x7fff61cfaff3 libChineseTokenizer.dylib (34) <3023F415-2B77-38DA-ABDD-16BFD18CED69> /usr/lib/libChineseTokenizer.dylib 0x7fff61d87000 - 0x7fff61d89ff7 libDiagnosticMessagesClient.dylib (112) /usr/lib/libDiagnosticMessagesClient.dylib 0x7fff61dce000 - 0x7fff61f85ff3 libFosl_dynamic.dylib (100.4) <84A5F946-01EE-3740-BD2F-4C2A6B1FE82B> /usr/lib/libFosl_dynamic.dylib 0x7fff61fac000 - 0x7fff61fb2ff3 libIOReport.dylib (54) /usr/lib/libIOReport.dylib 0x7fff62092000 - 0x7fff62099fff libMatch.1.dylib (36) /usr/lib/libMatch.1.dylib 0x7fff620c9000 - 0x7fff620e8fff libMobileGestalt.dylib (826.60.1) <7FA72434-FD46-300D-A6BD-D47A4FEF03C5> /usr/lib/libMobileGestalt.dylib 0x7fff6224f000 - 0x7fff62250ff3 libSystem.B.dylib (1281) <2F6BCFD9-A5F9-30FE-BF5A-5C53D3CBAB4D> /usr/lib/libSystem.B.dylib 0x7fff622df000 - 0x7fff622e0fff libThaiTokenizer.dylib (3) /usr/lib/libThaiTokenizer.dylib 0x7fff622f8000 - 0x7fff6230efff libapple_nghttp2.dylib (1.39.2) <0685C38F-7A9F-34CB-B3FF-92601483A0FF> /usr/lib/libapple_nghttp2.dylib 0x7fff62343000 - 0x7fff623b5ff7 libarchive.2.dylib (72.40.2) <88E010D7-060F-333E-B5B4-0249154B9868> /usr/lib/libarchive.2.dylib 0x7fff623b6000 - 0x7fff6244cfc5 libate.dylib (2.0.9) <63A28B5E-0AAA-3893-91DD-1A64A03FE8A2> /usr/lib/libate.dylib 0x7fff62450000 - 0x7fff62450ff3 libauto.dylib (187) <724B1E92-64DC-30CD-A90B-DA90B5794A94> /usr/lib/libauto.dylib 0x7fff62517000 - 0x7fff62527ff3 libbsm.0.dylib (60) <2E6E444F-7BF3-32E0-AF3A-DE9BF9D9DAAB> /usr/lib/libbsm.0.dylib 0x7fff62528000 - 0x7fff62534fff libbz2.1.0.dylib (44) <8FCE28A3-D250-37F5-93B6-866E8494DCAA> /usr/lib/libbz2.1.0.dylib 0x7fff62535000 - 0x7fff62588ff7 libc++.1.dylib (800.7) <6018A70E-5CD3-32AF-BA60-E7A0B7E7CEB2> /usr/lib/libc++.1.dylib 0x7fff62589000 - 0x7fff6259dfff libc++abi.dylib (800.7) /usr/lib/libc++abi.dylib 0x7fff6259e000 - 0x7fff6259effb libcharset.1.dylib (59) <1B71DC8A-FBF2-37F8-92C0-34AE72B7CED3> /usr/lib/libcharset.1.dylib 0x7fff6259f000 - 0x7fff625b0ffb libcmph.dylib (8) <55F5F96B-F93C-3A1A-80F7-61B9ED2C2F6C> /usr/lib/libcmph.dylib 0x7fff625b1000 - 0x7fff625c8fe7 libcompression.dylib (87) <35A0C0B0-6545-3E18-AEA7-F8C70E0FB095> /usr/lib/libcompression.dylib 0x7fff62898000 - 0x7fff628aeff7 libcoretls.dylib (167) /usr/lib/libcoretls.dylib 0x7fff628af000 - 0x7fff628b0fff libcoretls_cfhelpers.dylib (167) /usr/lib/libcoretls_cfhelpers.dylib 0x7fff62e6e000 - 0x7fff62ecdfff libcups.2.dylib (483.2) <2C8BF301-578F-3148-9A52-C1CA90402D9B> /usr/lib/libcups.2.dylib 0x7fff62fd9000 - 0x7fff62fd9fff libenergytrace.dylib (21) <38819A80-4A1A-32D7-99D3-B675808F30CF> /usr/lib/libenergytrace.dylib 0x7fff62fda000 - 0x7fff62ff3ff7 libexpat.1.dylib (19.60.2) <81E75AD6-C332-3DC6-804F-A71FC64EC6A1> /usr/lib/libexpat.1.dylib 0x7fff63001000 - 0x7fff63003fff libfakelink.dylib (149) /usr/lib/libfakelink.dylib 0x7fff63012000 - 0x7fff63017fff libgermantok.dylib (24) <6D3925E0-8A6F-3BE1-8729-ABEDE2264AF1> /usr/lib/libgermantok.dylib 0x7fff63018000 - 0x7fff63021ff7 libheimdal-asn1.dylib (564.60.2) <69184137-9EFE-366C-BE2D-7027A1677F76> /usr/lib/libheimdal-asn1.dylib 0x7fff63022000 - 0x7fff63112ff7 libiconv.2.dylib (59) <54B90704-F9C8-31B4-AE04-FE496B3725A3> /usr/lib/libiconv.2.dylib 0x7fff63113000 - 0x7fff6336bff7 libicucore.A.dylib (64252.0.1) /usr/lib/libicucore.A.dylib 0x7fff63385000 - 0x7fff63386fff liblangid.dylib (133) <7E36BF2A-6E88-3A32-8412-4FD5D850D44A> /usr/lib/liblangid.dylib 0x7fff63387000 - 0x7fff6339fff3 liblzma.5.dylib (16) /usr/lib/liblzma.5.dylib 0x7fff633b7000 - 0x7fff6345efff libmecab.dylib (883.1.1) <790EBEF5-E677-363E-848F-C5E378F35C98> /usr/lib/libmecab.dylib 0x7fff6345f000 - 0x7fff636c1fe1 libmecabra.dylib (883.1.1) /usr/lib/libmecabra.dylib 0x7fff63a2d000 - 0x7fff63a5cff7 libncurses.5.4.dylib (57) /usr/lib/libncurses.5.4.dylib 0x7fff63b8b000 - 0x7fff64001ff7 libnetwork.dylib (1880.60.5) <0B1AF784-11A0-31EE-AC24-2E0BAB975CC7> /usr/lib/libnetwork.dylib 0x7fff640a0000 - 0x7fff640d1fc6 libobjc.A.dylib (781.2) <17241F77-6A7A-39D7-8836-63E2725AA3C9> /usr/lib/libobjc.A.dylib 0x7fff640e4000 - 0x7fff640e8fff libpam.2.dylib (25) /usr/lib/libpam.2.dylib 0x7fff640eb000 - 0x7fff64121ff7 libpcap.A.dylib (89.60.2) <882835C6-7DA0-3465-A646-EBA215EF9DAD> /usr/lib/libpcap.A.dylib 0x7fff641a3000 - 0x7fff641bbff7 libresolv.9.dylib (67.40.1) <2DEF6C56-0CF8-3469-B21C-D8994D048807> /usr/lib/libresolv.9.dylib 0x7fff641bd000 - 0x7fff64201fff libsandbox.1.dylib (1217.61.1) <5D1AC9FE-A068-3883-AEB6-5F0D2F8B93A5> /usr/lib/libsandbox.1.dylib 0x7fff64217000 - 0x7fff64404ff7 libsqlite3.dylib (308.4) <5FAC89DA-EC45-3F38-8D00-FE638D6FD4D5> /usr/lib/libsqlite3.dylib 0x7fff645fa000 - 0x7fff64655ff8 libusrtcp.dylib (1880.60.5) <5D0CEAF0-F412-3768-9BE1-4D51F9832D29> /usr/lib/libusrtcp.dylib 0x7fff64656000 - 0x7fff64659ffb libutil.dylib (57) <86C9C769-0523-38C6-940E-900C8CAB780A> /usr/lib/libutil.dylib 0x7fff6465a000 - 0x7fff64667fff libxar.1.dylib (420) <03679705-EDE0-361D-B0B2-1A69170A6FF1> /usr/lib/libxar.1.dylib 0x7fff6466d000 - 0x7fff6474fff7 libxml2.2.dylib (32.13) /usr/lib/libxml2.2.dylib 0x7fff64753000 - 0x7fff6477bfff libxslt.1.dylib (16.7) <0BBEC00F-116C-3AF8-B751-970482388AED> /usr/lib/libxslt.1.dylib 0x7fff6477c000 - 0x7fff6478effb libz.1.dylib (76) <1005ADEB-04A2-3E42-B915-AB4B40A7AB3A> /usr/lib/libz.1.dylib 0x7fff651f2000 - 0x7fff651f7ff3 libcache.dylib (83) /usr/lib/system/libcache.dylib 0x7fff651f8000 - 0x7fff65203fff libcommonCrypto.dylib (60165) /usr/lib/system/libcommonCrypto.dylib 0x7fff65204000 - 0x7fff6520bfff libcompiler_rt.dylib (101.2) <51107CAA-0727-370D-8287-940D40D09AC1> /usr/lib/system/libcompiler_rt.dylib 0x7fff6520c000 - 0x7fff65215fff libcopyfile.dylib (166.40.1) <6454A046-88E5-32D6-898C-FB0D30D28637> /usr/lib/system/libcopyfile.dylib 0x7fff65216000 - 0x7fff652adfe7 libcorecrypto.dylib (866.60.3) <8090C446-35C8-31B4-8B1E-AF6D0EF3524B> /usr/lib/system/libcorecrypto.dylib 0x7fff653c4000 - 0x7fff65405ff0 libdispatch.dylib (1173.60.1) /usr/lib/system/libdispatch.dylib 0x7fff65406000 - 0x7fff6543bff7 libdyld.dylib (733.8) <8E2D3DED-0756-37A0-9D55-B9264CA020B4> /usr/lib/system/libdyld.dylib 0x7fff6543c000 - 0x7fff6543cffb libkeymgr.dylib (30) <0B9A3AF7-086E-3E7A-A52E-3DAF2E52CF86> /usr/lib/system/libkeymgr.dylib 0x7fff6543d000 - 0x7fff65449ff7 libkxld.dylib (6153.61.1) /usr/lib/system/libkxld.dylib 0x7fff6544a000 - 0x7fff6544aff7 liblaunch.dylib (1738.61.1) /usr/lib/system/liblaunch.dylib 0x7fff6544b000 - 0x7fff65450ff7 libmacho.dylib (949.0.1) <9831715F-ED86-3A9D-88CD-152C888B784B> /usr/lib/system/libmacho.dylib 0x7fff65451000 - 0x7fff65453ff7 libquarantine.dylib (110.40.3) <58CE8913-EC7B-376B-BC80-69763993A1E4> /usr/lib/system/libquarantine.dylib 0x7fff65454000 - 0x7fff65455ff7 libremovefile.dylib (48) <4E1AD797-3993-3E05-BB9B-B4E3038CE09C> /usr/lib/system/libremovefile.dylib 0x7fff65456000 - 0x7fff6546dfff libsystem_asl.dylib (377.60.2) <2CD6CABE-F8D7-3CCA-A930-08F8AC356D30> /usr/lib/system/libsystem_asl.dylib 0x7fff6546e000 - 0x7fff6546efff libsystem_blocks.dylib (74) <71A75F21-83AD-382F-95E4-4D6B77B4B9FE> /usr/lib/system/libsystem_blocks.dylib 0x7fff6546f000 - 0x7fff654f6ff7 libsystem_c.dylib (1353.60.8) /usr/lib/system/libsystem_c.dylib 0x7fff654f7000 - 0x7fff654faffb libsystem_configuration.dylib (1061.40.2) /usr/lib/system/libsystem_configuration.dylib 0x7fff654fb000 - 0x7fff654feff7 libsystem_coreservices.dylib (114) /usr/lib/system/libsystem_coreservices.dylib 0x7fff654ff000 - 0x7fff65507fff libsystem_darwin.dylib (1353.60.8) <9AC37996-630C-3B1E-8285-CFC77B684359> /usr/lib/system/libsystem_darwin.dylib 0x7fff65508000 - 0x7fff6550fffb libsystem_dnssd.dylib (1096.60.2) <7F0DF910-F4AC-3CED-9494-295B5E45549C> /usr/lib/system/libsystem_dnssd.dylib 0x7fff65510000 - 0x7fff65511ffb libsystem_featureflags.dylib (17) <985005B7-C0B3-3DCA-B064-6D34A0687212> /usr/lib/system/libsystem_featureflags.dylib 0x7fff65512000 - 0x7fff6555ffff libsystem_info.dylib (538) /usr/lib/system/libsystem_info.dylib 0x7fff65560000 - 0x7fff6558cff7 libsystem_kernel.dylib (6153.61.1) <90F8650F-D3A9-38B3-BB8C-B5D3686393BC> /usr/lib/system/libsystem_kernel.dylib 0x7fff6558d000 - 0x7fff655d4fcf libsystem_m.dylib (3178) <92F1FF45-BD1C-32FE-A9A9-D12AF02C8212> /usr/lib/system/libsystem_m.dylib 0x7fff655d5000 - 0x7fff655fcfff libsystem_malloc.dylib (283.60.1) <51472F42-71BE-348F-B42E-4EDD3040B690> /usr/lib/system/libsystem_malloc.dylib 0x7fff655fd000 - 0x7fff6560affb libsystem_networkextension.dylib (1095.60.2) <846C06C0-A705-38AE-8A29-3FA4153252B3> /usr/lib/system/libsystem_networkextension.dylib 0x7fff6560b000 - 0x7fff65614ff3 libsystem_notify.dylib (241) <7CB7DE46-5877-3CAD-8526-CACEA22F3AD5> /usr/lib/system/libsystem_notify.dylib 0x7fff65615000 - 0x7fff6561efef libsystem_platform.dylib (220) /usr/lib/system/libsystem_platform.dylib 0x7fff6561f000 - 0x7fff65629fff libsystem_pthread.dylib (416.60.2) <9D14694F-F3FE-385D-9B23-6A87844D5CBF> /usr/lib/system/libsystem_pthread.dylib 0x7fff6562a000 - 0x7fff6562efff libsystem_sandbox.dylib (1217.61.1) /usr/lib/system/libsystem_sandbox.dylib 0x7fff6562f000 - 0x7fff65631fff libsystem_secinit.dylib (62.60.1) <129C187A-E580-3F00-A0C3-E96A633364F1> /usr/lib/system/libsystem_secinit.dylib 0x7fff65632000 - 0x7fff65639ffb libsystem_symptoms.dylib (1238.60.1) <5540DEA3-9C3A-3991-8C3A-7B375A5410C7> /usr/lib/system/libsystem_symptoms.dylib 0x7fff6563a000 - 0x7fff65650ff2 libsystem_trace.dylib (1147.60.3) /usr/lib/system/libsystem_trace.dylib 0x7fff65652000 - 0x7fff65657ffb libunwind.dylib (35.4) <769F4C16-2746-3182-85C1-45CC98D119C8> /usr/lib/system/libunwind.dylib 0x7fff65658000 - 0x7fff6568cffe libxpc.dylib (1738.61.1) /usr/lib/system/libxpc.dylib External Modification Summary: Calls made by other processes targeting this process: task_for_pid: 1 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: 1860 thread_create: 0 thread_set_state: 0 VM Region Summary: ReadOnly portion of Libraries: Total=529.0M resident=0K(0%) swapped_out_or_unallocated=529.0M(100%) Writable regions: Total=653.9M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=653.9M(100%) VIRTUAL REGION REGION TYPE SIZE COUNT (non-coalesced) =========== ======= ======= Accelerate framework 256K 2 Activity Tracing 256K 1 CG backing stores 336K 2 CG image 8460K 3 CG raster data 16.5M 2 CoreAnimation 16.5M 8 CoreGraphics 8K 1 CoreImage 8K 2 CoreUI image data 224K 4 Foundation 4K 1 Kernel Alloc Once 8K 1 MALLOC 623.2M 137 Memory Tag 242 12K 1 Stack 69.1M 22 VM_ALLOCATE 40K 9 __DATA 23.0M 301 __DATA_CONST 500K 32 __FONT_DATA 4K 1 __LINKEDIT 356.3M 211 __OBJC_RO 32.0M 17 __OBJC_RW 1780K 2 __TEXT 172.6M 373 __UNICODE 564K 2 mapped file 56.5M 18 shared memory 680K 17 =========== ======= ======= TOTAL 1.3G 1170 Model: Macmini8,1, BootROM 1037.60.58.0.0 (iBridge: 17.16.12551.0.0,0), 6 processors, 6-Core Intel Core i7, 3.2 GHz, 16 GB, SMC Graphics: kHW_IntelUHDGraphics630Item, Intel UHD Graphics 630, spdisplays_builtin Memory Module: BANK 0/ChannelA-DIMM0, 8 GB, DDR4, 2667 MHz, SK Hynix, HMA81GS6CJR8N-VK Memory Module: BANK 2/ChannelB-DIMM0, 8 GB, DDR4, 2667 MHz, SK Hynix, HMA81GS6CJR8N-VK AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x7BF), wl0: Oct 26 2019 10:18:37 version 9.112.2.0.32.5.40 FWID 01-66dd2dcb Bluetooth: Version 7.0.2f4, 3 services, 27 devices, 1 incoming serial ports Network Service: Wi-Fi, AirPort, en1 USB Device: USB 3.1 Bus USB Device: Hub USB Device: Hub USB Device: USB Keyboard USB Device: Kensington Eagle Trackball USB Device: Apple T2 Bus USB Device: Headset USB Device: Apple T2 Controller Thunderbolt Bus: Mac mini, Apple Inc., 47.1 Thunderbolt Bus: Mac mini, Apple Inc., 47.1Thank you! :-)

Hi again Quinn,Thanks for taking the time to look at this. I'll just keep plugging at it and try libgmalloc. 🙂Thank you! 🙂Will B

Thanks John.I actually have been using my app's built-in logging facility to examine the value of variables of interest. It is helpful, but it isn't helping with the crash, unfortunately.Also, to Quinn and John -- how do you set the environment variables for GUI apps launched from the dock? I have found this but it doesn't seem to work on 10.15.x.Thanks! 😀

I just wanted to let you know that the issue appears to be completely resolved. Yay! 😀There was a very well-hidden 'use-after-free' that libgmalloc brought to light. It didn't always crash, though. After fixing that, my app no longer crashes when run from the Dock. I'm still a bit surprised that my app would run, crash-free, when run from the command-line as this bad code was being run a *lot*!Quinn, and John, thank you so much for your help! I'm extremely grateful! 😀