Zhuoying Jiang Li focused on security hardening within the CTSRD-CHERI/cheribsd repository, addressing a potential buffer overflow in the network input path. They implemented bounds-aware access to sockaddr_dl from sdlbuf, leveraging the __subobject_use_container_bounds attribute to enforce container boundaries and prevent out-of-bounds reads. This targeted fix improved both security and stability in network input handling. Working primarily in C, Zhuoying applied low-level programming and memory safety techniques to mitigate vulnerabilities in network programming contexts. The work demonstrated careful attention to detail and a deep understanding of system-level security, resulting in a robust solution to a critical bug.