reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-61-g09411a7a-dirty
        # https://github.com/intel-lab-lkp/linux/commit/9606332e33dd2a76d87c92a768035aec9994fbb4
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kuniyuki-Iwashima/af_unix-Add-struct-unix_vertex-in-struct-unix_sock/20240203-110847
        git checkout 9606332e33dd2a76d87c92a768035aec9994fbb4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash net/unix/