During August 2025, this developer contributed to the linux-test-project/ltp repository by delivering a targeted bug fix to the sigaltstack01 test, addressing a boundary-check logic error that previously allowed out-of-bounds conditions in stack-related tests. Using C programming and kernel testing expertise, they replaced a logical AND with an OR in the validation of alternative stack boundaries, ensuring accurate behavior in environments with larger stack reservations such as Gramine-SGX. The work demonstrated careful debugging and a precise, low-risk approach, resulting in improved test reliability and reduced false negatives, while adhering to best practices in system call handling and version control.