During December 2024, Dy worked on the linux-test-project/ltp repository, focusing on stabilizing the cpuset_memory_spread_test environment. Using Shell scripting and system administration skills, Dy addressed a recurring issue where stale FIFO files blocked subsequent test runs after cgroup mount failures. The solution involved implementing robust cleanup logic to ensure the FIFO file was always removed before recreation, preventing setup failures and reducing test flakiness. This fix, verified across continuous integration pipelines, improved the reliability and speed of feedback loops for LTP tests. Dy’s work demonstrated a strong grasp of Linux testing, cgroup management, and automated test environment maintenance.