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OpenBluetoothToolbox / SimpleBLE

SimpleBLE - the all-in-one Bluetooth library for MacOS, iOS, Windows, Linux and Android.
https://www.simpleble.org
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SIGSEGV crash on Arm64 MacOS with characteristic notify #236

Closed thegecko closed 1 year ago

thegecko commented 1 year ago

While developing SimpleBLE as the new backend to the JavaScript webbluetooth library, I came across a SIGSEGV fault when implementing notify support.

I checked this with the notify example in simplepyble and see the same issue.

Version: 0.6.1 OS: MacOS 12.3.1 Arch: Arm64 Python: 3.10.4

Test device: BBC micro:bit Test characteristic: button - e95d9882-251d-470a-a062-fa1922dfa9a8 e95dda90-251d-470a-a062-fa1922dfa9a8

Crash dump as follows:

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

Process:               Python [98462]
Path:                  /Library/Frameworks/Python.framework/Versions/3.10/Resources/Python.app/Contents/MacOS/Python
Identifier:            org.python.python
Version:               3.10.4 (3.10.4)
Code Type:             ARM-64 (Native)
Parent Process:        zsh [98126]
Responsible:           Terminal [58197]
User ID:               501

Date/Time:             2023-03-27 10:16:49.9786 +0100
OS Version:            macOS 12.3.1 (21E258)
Report Version:        12
Anonymous UUID:        E2B9BB5B-C613-8EAE-AFA0-62BBCBAC8D0F

Sleep/Wake UUID:       283C6B20-E253-45B6-BDE0-05B330E8F674

Time Awake Since Boot: 3200000 seconds
Time Since Wake:       237 seconds

System Integrity Protection: enabled

Crashed Thread:        1  Dispatch queue: AdapterBaseMacOS.centralManagerQueue

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000010
Exception Codes:       0x0000000000000001, 0x0000000000000010
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [98462]

VM Region Info: 0x10 is not in any region.  Bytes before following region: 4370431984
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                      1047f8000-1047fc000    [   16K] r-x/r-x SM=COW  .../MacOS/Python

Kernel Triage:
VM - Compressor failed a blocking pager_get

Thread 0::  Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib                 0x1a7a975b8 __select + 8
1   Python                                 0x105774828 time_sleep + 272
2   Python                                 0x1055be99c cfunction_vectorcall_O + 100
3   Python                                 0x10568cfd0 call_function + 132
4   Python                                 0x105685370 _PyEval_EvalFrameDefault + 23864
5   Python                                 0x10567ddb0 _PyEval_Vector + 360
6   Python                                 0x1056e8654 pyrun_file + 308
7   Python                                 0x1056e7d98 _PyRun_SimpleFileObject + 336
8   Python                                 0x1056e73e4 _PyRun_AnyFileObject + 216
9   Python                                 0x105713620 pymain_run_file_obj + 180
10  Python                                 0x105712cc0 pymain_run_file + 72
11  Python                                 0x1057122a8 pymain_run_python + 300
12  Python                                 0x10571213c Py_RunMain + 24
13  Python                                 0x1057137c8 pymain_main + 56
14  Python                                 0x105713a8c Py_BytesMain + 40
15  dyld                                   0x104ae1088 start + 516

Thread 1 Crashed::  Dispatch queue: AdapterBaseMacOS.centralManagerQueue
0   Python                                 0x1055496e8 PyBytes_FromStringAndSize + 48
1   _simplepyble.cpython-310-darwin.so         0x104cdff48 0x104c90000 + 327496
2   _simplepyble.cpython-310-darwin.so         0x104cdff48 0x104c90000 + 327496
3   _simplepyble.cpython-310-darwin.so         0x104cc0eec 0x104c90000 + 200428
4   CoreBluetooth                          0x1b98affc8 -[CBPeripheral handleAttributeEvent:args:attributeSelector:delegateSelector:delegateFlag:] + 188
5   CoreBluetooth                          0x1b98b016c -[CBPeripheral handleCharacteristicEvent:characteristicSelector:delegateSelector:delegateFlag:] + 124
6   CoreBluetooth                          0x1b98ac364 -[CBPeripheral handleMsg:args:] + 600
7   CoreBluetooth                          0x1b9895b84 -[CBCentralManager handleMsg:args:] + 192
8   CoreBluetooth                          0x1b98d6abc -[CBManager xpcConnectionDidReceiveMsg:args:] + 208
9   CoreBluetooth                          0x1b98c6028 __30-[CBXpcConnection _handleMsg:]_block_invoke + 68
10  libdispatch.dylib                      0x1a7904604 _dispatch_call_block_and_release + 32
11  libdispatch.dylib                      0x1a79061c8 _dispatch_client_callout + 20
12  libdispatch.dylib                      0x1a790d8a8 _dispatch_lane_serial_drain + 668
13  libdispatch.dylib                      0x1a790e438 _dispatch_lane_invoke + 444
14  libdispatch.dylib                      0x1a790d784 _dispatch_lane_serial_drain + 376
15  libdispatch.dylib                      0x1a790e404 _dispatch_lane_invoke + 392
16  libdispatch.dylib                      0x1a7918c98 _dispatch_workloop_worker_thread + 648
17  libsystem_pthread.dylib                0x1a7ac6360 _pthread_wqthread + 288
18  libsystem_pthread.dylib                0x1a7ac5080 start_wqthread + 8

Thread 2:
0   libsystem_pthread.dylib                0x1a7ac5078 start_wqthread + 0

Thread 1 crashed with ARM Thread State (64-bit):
    x0: 0x000000016b68e540   x1: 0x0000000000000001   x2: 0xffffffffffffffff   x3: 0x0000000000000000
    x4: 0x0000000000000038   x5: 0x0000000000000038   x6: 0x0000000000000038   x7: 0x00000001a7d837dc
    x8: 0x0000000000000000   x9: 0x000000016b68e540  x10: 0x0000000155100001  x11: 0x0000000000000024
   x12: 0x000000000000000f  x13: 0x0000000000020000  x14: 0x0000000155100000  x15: 0x0000000200275430
   x16: 0x00000001055496b8  x17: 0x0000000200f7fe48  x18: 0x0000000000000000  x19: 0x0000000153e0b340
   x20: 0x000000016b68e540  x21: 0x0000000000000001  x22: 0x0000000155406fc0  x23: 0x0000000155206ed0
   x24: 0x0000000155207f70  x25: 0x000000016b68e5b0  x26: 0x0000000000000114  x27: 0x0000000000000001
   x28: 0x000000016b68e5c8   fp: 0x000000016b68e530   lr: 0x0000000104cdff48
    sp: 0x000000016b68e510   pc: 0x00000001055496e8 cpsr: 0x60001000
   far: 0x0000000000000010  esr: 0x92000006 (Data Abort) byte read Translation fault

Binary Images:
       0x1a7a8b000 -        0x1a7ac2fff libsystem_kernel.dylib (*) <1d7b3b8e-75a1-34ea-aa52-9f7c23155c55> /usr/lib/system/libsystem_kernel.dylib
       0x1054d8000 -        0x105837fff org.python.python (3.10.4, (c) 2001-2021 Python Software Foundation.) <ba401d34-ed74-3092-a9e2-4d9ff1cb4359> /Library/Frameworks/Python.framework/Versions/3.10/Python
       0x104adc000 -        0x104b3bfff dyld (*) <fbb89662-e6f2-3434-b542-f75185ac5e74> /usr/lib/dyld
       0x104c90000 -        0x104cfbfff _simplepyble.cpython-310-darwin.so (*) <dc3ceeef-7b18-3b5f-bfc3-36b590423622> /Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/simplepyble/_simplepyble.cpython-310-darwin.so
       0x1b9883000 -        0x1b991dfff com.apple.CoreBluetooth (1.0) <95de155d-528f-39ba-8b03-e875a466413e> /System/Library/Frameworks/CoreBluetooth.framework/Versions/A/CoreBluetooth
       0x1a7902000 -        0x1a7948fff libdispatch.dylib (*) <dc048e3b-e023-3d17-afe5-4ff3dc625608> /usr/lib/system/libdispatch.dylib
       0x1a7ac3000 -        0x1a7acffff libsystem_pthread.dylib (*) <cee8bc77-6923-34d9-89a3-6f8f7279605e> /usr/lib/system/libsystem_pthread.dylib
               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???

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: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=668.9M resident=0K(0%) swapped_out_or_unallocated=668.9M(100%)
Writable regions: Total=274.5M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=274.5M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Activity Tracing                   256K        1 
Dispatch continuations            64.0M        1 
Kernel Alloc Once                   32K        1 
MALLOC                            71.1M       21 
MALLOC guard page                   96K        5 
MALLOC_MEDIUM (reserved)         120.0M        1         reserved VM address space (unallocated)
STACK GUARD                         48K        3 
Stack                             17.1M        3 
VM_ALLOCATE                       2048K        2 
__AUTH                             225K       47 
__AUTH_CONST                      3007K      126 
__DATA                            1213K      122 
__DATA_CONST                      3858K      131 
__DATA_DIRTY                       245K       51 
__LINKEDIT                       585.0M        5 
__OBJC_CONST                       284K       32 
__OBJC_RO                         82.9M        1 
__OBJC_RW                         3152K        1 
__TEXT                            83.9M      137 
__UNICODE                          592K        1 
dyld private memory               1024K        1 
mapped file                         48K        1 
shared memory                       32K        2 
===========                     =======  ======= 
TOTAL                              1.0G      696 
TOTAL, minus reserved VM space   919.7M      696 

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

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Model: MacBookAir10,1, BootROM 7459.101.3, proc 8:4:4 processors, 8 GB, SMC 
Graphics: Apple M1, Apple M1, Built-In
Display: Color LCD, 2560 x 1600 Retina, Main, MirrorOff, Online
Memory Module: LPDDR4
AirPort: Wi-Fi, wl0: Feb  8 2022 01:44:45 version 18.60.21.0.7.8.126 FWID 01-1cdae627
Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB31Bus
USB Device: USB2.1 Hub
USB Device: "BBC micro:bit CMSIS-DAP"
USB Device: USB 2.0 BILLBOARD
USB Device: USB31Bus
Thunderbolt Bus: MacBook Air, Apple Inc.
Thunderbolt Bus: MacBook Air, Apple Inc.
thegecko commented 1 year ago

We seem to have resolved this, will reopen it it comes back :)

Maxung commented 10 months ago

Hello, I'm having the exact same problem, when subscribing via the notify method to a temperature characteristic I'm getting Process finished with exit code 139 (interrupted by signal 11: SIGSEGV). Could you tell me how you solved the problem? I can subscribe to the same characteristic with my iPhone and the nRF Connect without any problems.