reproduce (this is a W=1 build):
        # https://github.com/brauner/linux/commit/5897a32d41a80276c1ab9706459124b7b43925e3
        git remote add brauner-github https://github.com/brauner/linux.git
        git fetch --no-tags brauner-github vfs-6.17.fileattr
        git checkout 5897a32d41a80276c1ab9706459124b7b43925e3
        # 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 fs/