Worked on enhancing the stability and memory safety of Kerberos PAC decoding within the redox-os/samba repository, focusing on eliminating memory leaks in error handling paths. Addressed a memory-management bug by adding missing talloc_free() calls and ensuring proper cleanup of temporary contexts, which consolidated exit paths and reduced potential leak surfaces. This patch-level contribution improved the reliability of Kerberos authentication flows and reduced crash risks for Samba deployments. The work demonstrated strong skills in C programming, memory management, and robust error handling, emphasizing code hygiene and maintainability in system programming environments where secure authentication is critical for operational stability.