reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/5d7f540aa3588089ac4c59ae372aaf2fc1d48fc2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yonghong-Song/bpf-Allow-each-subprog-having-stack-size-of-512-bytes/20240927-074744 git checkout 5d7f540aa3588089ac4c59ae372aaf2fc1d48fc2 # 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 arch/x86/net/