reproduce (this is a W=1 build):
        git checkout a9c4b1d37622ed01b75f94a4f68cf55f33153a31
        b4 shazam https://lore.kernel.org/r/20260407173356.873887-5-christoph.boehmwalder@linbit.com

        # 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