Worked on the ROCm/composable_kernel repository to enhance the reliability of matrix operations by addressing a specific validation issue in the flatmm_basic example. Focused on C++ development, the work involved implementing logic to ensure that stride_b does not exceed K when using the ColumnMajor layout, thereby preventing potential runtime errors and improving data integrity. This targeted bug fix reinforced the robustness of the matrix-multiplication pathway and contributed to overall code quality. Emphasizing performance optimization and matrix operations, the contribution improved runtime stability for users relying on the ColumnMajor path, with changes tracked through an explicit upstream commit for traceability.