reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git/commit/?id=0e90ecf523db0c30a5c5bfaf90f58699aaa533ea
        git remote add mic https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git
        git fetch --no-tags mic landlock-audit
        git checkout 0e90ecf523db0c30a5c5bfaf90f58699aaa533ea
        # 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 security/landlock/