Worked on stabilizing the gRPC header path in the grafana/opentelemetry-ebpf-instrumentation repository, focusing on backend reliability rather than new feature development. Addressed a critical bug by correcting the memory address used to read the buffer writer’s capacity field, which was essential for ensuring accurate gRPC header data and preventing data integrity issues. This work involved deep familiarity with C programming, BPF, and gRPC, requiring careful analysis of low-level memory operations. The fix improved the reliability of telemetry instrumentation by ensuring that header writing processes retrieve and handle data correctly, contributing to the overall stability and correctness of the codebase.