Worked on security hardening within the netdata/libbpf repository, focusing on the BPF loading path. Addressed a memory safety issue by implementing a boundary check in the bpf_object__init_prog function, ensuring that the calculated program end does not exceed the allocated section. This change prevents buffer overflows and mitigates the risk of loading arbitrary BPF instructions, directly enhancing the security of the BPF program loading workflow. The work involved in-depth kernel development and system programming, utilizing C and BPF technologies. The contribution centered on bug fixing rather than feature development, reflecting a targeted approach to improving code robustness and safety.