Worked on enhancing kernel networking stability in the geerlingguy/linux repository, focusing on reliability for software RoCE deployments. Addressed a critical bug by fixing a NULL pointer dereference in the smc_ib_is_sg_need_sync function, which reduced the risk of system crashes and improved overall robustness. The work centered on C programming and kernel development, emphasizing code quality and maintainability rather than introducing new user-facing features. Delivered a single, well-documented patch that was traceable by commit hash, ensuring transparency and ease of review. The approach demonstrated careful attention to stability hardening and effective bug fixing within a complex kernel codebase.