reproduce (this is a W=1 build):
        git checkout 8582d9ab3efdebb88e0cd8beed8e0b9de76443e7
        b4 shazam https://lore.kernel.org/r/20250421091802.3234859-6-luis.gerhorst@fau.de
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/bpf/