Alexandra Lung focused on stabilizing error paths in the schneems/php-src repository by addressing memory management issues within the Fuzzer SAPI. She identified and fixed a memory leak, reworking the initialization order to ensure memory allocation only occurred after proper setup, which reduced the risk of crashes during fuzz testing. Working primarily in C, Alexandra applied her skills in bug fixing and fuzzing to enhance the reliability of automated tests and minimize flaky continuous integration results. Her contributions improved the overall stability of the fuzzing infrastructure, with changes documented and prepared for code review, reflecting a methodical and detail-oriented engineering approach.