Language server repeatably crashed with nRF Connect SDK.

[supernet29]

Environment

• OS and Version: MacOS 15.5
• VS Code Version: 1.101.1 (Universal)
• C/C++ Extension Version: 1.25.3
• If using SSH remote, specify OS of remote machine: Not a remote environment

Bug Summary and Steps to Reproduce

Bug Summary:

I'm working with nRF Connect SDK with cpptools.

I think It commonly occurs when code completion is working.

Configuration and Logs

# cpptools crash call stack


cpptools
2025. 6. 24. 오전 11:06:00
SIGSEGV
browse_engine::query_translation_unit_source(msvc::canonicalized_file_path_t const&, msvc::canonicalized_file_path_t&, std::vector<msvc::canonicalized_file_path_t, std::allocator<msvc::canonicalized_file_path_t>>*) + 592
intellisense_client_manager::find_existing_intellisense_client(msvc::locked_object<intellisense_client_manager::maps, std::recursive_mutex, std::unique_lock> const&, msvc::canonicalized_file_path_t const&, bool, bool, bool, bool&, msvc::canonicalized_file_path_t&, std::vector<msvc::canonicalized_file_path_t, std::allocator<msvc::canonicalized_file_path_t>>&, bool&, bool&) + 1564
_ZN4msvc16thread_manager_t10queue_itemIZN27intellisense_client_manager27acquire_intellisense_clientERKNS_25canonicalized_file_path_tERK35acquire_intellisense_client_optionsONSt3__18functionIFvO29intellisense_client_referenceEEEPS3_RKNSA_IFbvEEEE3 + 240
msvc::thread_manager_t::do_work(unsigned int) + 512
msvc::thread_helper_t::thread_entry(void*) + 32

Other Extensions

• nRF Connect for VS Code
  • version: 2025.5.152

Additional context

No response

[sean-mcmanus]

@supernet29 Do you repro this with 1.26.2 pre-release too (it has some potential crash fixes)? We plan to release that as the release 1.26.3 on Wednesday.

[supernet29]

@supernet29 Do you repro this with 1.26.2 pre-release too (it has some potential crash fixes)? We plan to release that as the release 1.26.3 on Wednesday.

Thank you for your reply.

I don't know it solved the problem. But when I start working with pre-release version (1.26.2) it doesn't crashing.