reproduce (this is a W=1 build):
        # https://github.com/brauner/linux/commit/32c6139e8a8e410e21e814298ed2634bf62a8613
        git remote add brauner-github https://github.com/brauner/linux.git
        git fetch --no-tags brauner-github work.cred
        git checkout 32c6139e8a8e410e21e814298ed2634bf62a8613
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/smb/server/