reproduce:
        git checkout cdd30ebb1b9f36159d66f088b61aee264e649d7a
        b4 shazam https://lore.kernel.org/r/20241209185904.507350-19-zfigura@codeweavers.com
        make W=1 O=/tmp/kselftest headers
        make W=1 O=/tmp/kselftest -C tools/testing/selftests
        make W=1 O=/tmp/kselftest -C tools/testing/selftests/bpf