reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git/commit/?id=f32b1ec059a1e3c85a67f0710fdd60aa51a808c1
        git remote add pcmoore-selinux https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git
        git fetch --no-tags pcmoore-selinux main
        git checkout f32b1ec059a1e3c85a67f0710fdd60aa51a808c1
        # 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