Qingyuan Hou focused on enhancing the security and robustness of filesystem path handling in the NVIDIA/kata-containers repository, specifically within the rustjail component. Over the course of a month, Qingyuan replaced a custom secure_join implementation with the safe-path library’s scoped_join, integrating safe-path as a new dependency. This work leveraged Rust and TOML, emphasizing path manipulation and system programming to improve container runtime isolation. By refactoring the codebase to adopt a well-maintained library, Qingyuan addressed potential security concerns and laid a foundation for future hardening, demonstrating a methodical approach to maintainability and security in containerized environments. No bugs were fixed.