Charsyam focused on improving stability and memory safety in C-based systems, contributing to both the valkey-io/valkey and redis/redis repositories. Over two months, Charsyam addressed critical bugs, including memory leaks in the valkey command-line interface and a double-free vulnerability in Redis’s RDB loading path. By clarifying memory ownership and ensuring proper deallocation of dynamically allocated resources, Charsyam reduced crash risks and improved maintainability. The work emphasized code clarity, traceable commits, and robust memory management, supporting higher reliability in production environments. Charsyam’s approach combined low-level debugging, code refactoring, and documentation to enhance system resilience without introducing new features.