Fuzz Test Automation Framework - Success Story | MosChip

A leading U.S.-based semiconductor company partnered with MosChip to strengthen validation of its SoC platforms by automating fuzz testing for CLI and inter-chip communication. The goal was to ensure the robustness of critical boot, memory, and datatransfer commands running over UART, I2C, SPI, and EEPROM interfaces. MosChip built a Python-based, platform-independent fuzz testing framework that automatically injects invalid and boundary inputs to expose hard-to-find defects. With automated execution, reporting, and regression support, the framework minimized manual effort and improved test efficiency. The solution significantly expanded test coverage and accelerated defect detection. As a result, the client proactively identified memory corruption risks, boot failures, and cornercase issues, boosting system reliability well before production release.