reproduce: git remote add masahiroy-kbuild https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git git fetch masahiroy-kbuild for-next git checkout masahiroy-kbuild/for-next b4 shazam https://lore.kernel.org/r/168b2cb09f09ec3cead8a6b1e726ac76f5d06171.1733820553.git.geert+renesas@glider.be 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