reproduce (this is a W=1 build):
        # https://github.com/brauner/linux/commit/3f15b5042327fa755f668b534c88e515a44e10c1
        git remote add brauner-github https://github.com/brauner/linux.git
        git fetch --no-tags brauner-github vfs-6.17.fileattr
        git checkout 3f15b5042327fa755f668b534c88e515a44e10c1
        # 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