reproduce: git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/05a1a3384bf0800f84be0a81e8bb348b16355a1b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Stephen-Smalley/nfsd-set-security-label-during-create-operations/20240503-040242 git checkout 05a1a3384bf0800f84be0a81e8bb348b16355a1b # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 olddefconfig ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm64 SHELL=/bin/bash fs/nfsd/