TwilioVoice SDK Crash: void absl::internal_any_invocable::LocalInvoker

[davidweissler]

Before filing an issue please check that the issue is not already addressed by the following:

• Voice SDK Guides
• GitHub Issues
• Changelog

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Description

Twilio SDK crash while calls are in progress

Steps to Reproduce

Cannot consistently reproduce

Code

Expected Behavior

Actual Behavior

Reproduces How Often

Twilio Call SID(s)

Logs

Hardware Model:      iPhone12,5
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd [1]
Date/Time:           2023-12-13 12:58:11.8258 -0800
Launch Time:         2023-12-13 12:48:10.8528 -0800
OS Version:          iPhone OS 17.1.2 (21B101)
Release Type:        User
Baseband Version:    5.00.00
Report Version:      104

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000007
Exception Codes: 0x0000000000000001, 0x0000000000000007
VM Region Info: 0x7 is not in any region.  Bytes before following region: 68719476729
      REGION TYPE                 START - END      [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      commpage (reserved)     1000000000-7000000000 [384.0G] ---/--- SM=NUL  ...(unallocated)
Termination Reason: SIGNAL 11 Segmentation fault: 11
Terminating Process: exc handler [18091]

Triggered by Thread:  8

Thread 8 name:
Thread 8 Crashed:
0   TwilioVoice                   	0x0000000106036484 void absl::internal_any_invocable::LocalInvoker<false, void, twilio::voice::ListenerImpl::ListenerImpl(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, bool, s... + 44
1   TwilioVoice                   	0x0000000105c63f44 rtc::(anonymous namespace)::AnyInvocableMessageHandler::OnMessage(rtc::Message*) + 32
2   TwilioVoice                   	0x0000000105c62ed4 rtc::Thread::Dispatch(rtc::Message*) + 148
3   TwilioVoice                   	0x0000000105c62030 rtc::Thread::ProcessMessages(int) + 184
4   TwilioVoice                   	0x0000000105c63290 rtc::Thread::PreRun(void*) + 60
5   libsystem_pthread.dylib       	0x00000001fe54a4d4 _pthread_start + 136 (pthread.c:904)
6   libsystem_pthread.dylib       	0x00000001fe549a10 thread_start + 8 (:-1)

Logs from a different user's crash:

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0xffffffffffff5f4f
Exception Codes: 0x0000000000000001, 0xffffffffffff5f4f
VM Region Info: 0xffffffffffff5f4f is not in any region.  Bytes after previous region: 18446743592673173328  
      REGION TYPE                 START - END      [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      commpage (reserved)     1000000000-7000000000 [384.0G] ---/--- SM=NUL  ...(unallocated)
--->  
      UNUSED SPACE AT END
Triggered by Thread:  5

Thread 5 name:
Thread 5 Crashed:
0   TwilioVoice                     0x000000010379e484 void absl::internal_any_invocable::LocalInvoker<false, void, twilio::voice::ListenerImpl::ListenerImpl(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, bool, s... + 44
1   TwilioVoice                     0x00000001033cbf44 rtc::(anonymous namespace)::AnyInvocableMessageHandler::OnMessage(rtc::Message*) + 32
2   TwilioVoice                     0x00000001033caed4 rtc::Thread::Dispatch(rtc::Message*) + 148
3   TwilioVoice                     0x00000001033ca030 rtc::Thread::ProcessMessages(int) + 184
4   TwilioVoice                     0x00000001033cb290 rtc::Thread::PreRun(void*) + 60
5   libsystem_pthread.dylib         0x00000001eab066b8 _pthread_start + 148 (pthread.c:893)
6   libsystem_pthread.dylib         0x00000001eab05b88 thread_start + 8 (:-1)

Versions

All relevant version information for the issue.

Voice iOS SDK

6.9.0 via SPM

Xcode

15.1

iOS Version

Various: 16.6.1, 17.1.2, 17.2.

iOS Device

Various: iPhone 13 Pro, iPhone 12 Pro, iPhone 11 Pro Max

[bobiechen-twilio]

Hi @davidweissler

Thanks for reaching out.
The 6.9.2 release addressed the crash in the description and should resolve the issue for you.