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 detection of stack overflows, particularly in environments like Gramine-SGX that require larger stack reservations. The work demonstrated careful debugging and a precise, low-risk patch delivered through a single commit, reflecting a strong grasp of system calls and formal change management practices.