Worked on the cilium/tetragon repository to enhance system stability by addressing a critical bug in kernel selector logic. Focused on kernel development and system programming using Go, the work involved fixing an off-by-one boundary check to ensure that signature lengths were accurately reflected during tracing policy data filter evaluation. This change prevented potential panics caused by invalid tracing policy filters, thereby reducing the crash surface and improving reliability in policy evaluation. The approach emphasized careful review and testing of boundary conditions, prioritizing code quality and safe handling of edge cases to maintain robust kernel selector functionality without introducing new features.