reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/b43ab74c6169d9af59e1a7654456e9ebebec5737 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Maciej-Fijalkowski/xsk-fix-immature-cq-descriptor-production/20250814-012129 git checkout b43ab74c6169d9af59e1a7654456e9ebebec5737 # 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/xdp/