The author discusses the responsibility of ensuring reliable firmware updates for devices. They delve into an update bug report, detailing the process of identifying and fixing the issue. Through in-depth debugging, they uncover a 15-year-old bug present in a closed-source binary. The QNX ecosystem, known for robustness, is revealed to have lingering bugs due to closed source limitations. The author’s journey to uncover the root cause emphasizes the importance of code analysis and highlights the challenges of closed-source systems. The narrative provides valuable debugging insights and warns against relying on unverified system utilities in code.
https://mental-reverb.com/blog.php?id=29