reproduce (this is a W=1 build):
        git checkout next-20250207
        b4 shazam https://lore.kernel.org/r/20250207140216.3076952-1-lizhi.xu@windriver.com
        # 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 net/bluetooth/