Worked on the flipperdevices/u-boot repository to enhance memory safety for SPI read operations within embedded systems. Focused on preventing overwriting of reserved memory regions during SPI transfers, the developer implemented targeted negative tests to cover scenarios where reads begin inside, before, or after protected areas. This approach reduced the risk of data corruption during boot and SPI communication, improving subsystem reliability. The work relied on embedded systems testing and test automation skills, utilizing Python to design and execute comprehensive test cases. The contribution addressed a critical bug, demonstrating attention to detail and a methodical approach to safeguarding memory integrity in embedded environments.