During October 2025, Astrohma focused on stability improvements for the cilium/tetragon repository, addressing reliability in kernel selector logic and tracing policy data filters. They identified and fixed an off-by-one boundary check in the kernel selectors, ensuring that signature length was correctly validated to prevent panics from invalid tracing policy filters. This work involved deep kernel development and system programming, primarily using Go, and required careful review and testing to ensure safe handling of boundary conditions. Although no new features were shipped, Astrohma’s targeted bug fix reduced the crash surface in policy evaluation, contributing to the overall robustness of the codebase.