reproduce (this is a W=1 build):
        git checkout 3ee84e3dd88e39b55b534e17a7b9a181f1d46809
        b4 shazam https://lore.kernel.org/r/20250520-tonyk-robust_futex-v4-4-1123093e59de@igalia.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