Hi Roberto, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] [also build test WARNING on bpf/master] [cannot apply to horms-ipvs/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Roberto-Sassu/bpf-Add-bpf_verify_pkcs7_signature-helper/20220608-192110 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220608/202206082219.09oAvCwe-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/223914a2278b692d4120315d2fc7a29e3b89512a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Roberto-Sassu/bpf-Add-bpf_verify_pkcs7_signature-helper/20220608-192110 git checkout 223914a2278b692d4120315d2fc7a29e3b89512a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/bpf/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): kernel/bpf/bpf_lsm.c: In function '____bpf_verify_pkcs7_signature': >> kernel/bpf/bpf_lsm.c:146:38: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 146 | (struct key *)keyring, | ^ vim +146 kernel/bpf/bpf_lsm.c 135 136 BPF_CALL_5(bpf_verify_pkcs7_signature, u8 *, data, u32, datalen, u8 *, sig, 137 u32, siglen, u64, keyring) 138 { 139 int ret = -EOPNOTSUPP; 140 141 #ifdef CONFIG_SYSTEM_DATA_VERIFICATION 142 if (keyring > (unsigned long)VERIFY_USE_PLATFORM_KEYRING) 143 return -EINVAL; 144 145 ret = verify_pkcs7_signature(data, datalen, sig, siglen, > 146 (struct key *)keyring, 147 VERIFYING_UNSPECIFIED_SIGNATURE, NULL, 148 NULL); 149 #endif 150 return ret; 151 } 152 -- 0-DAY CI Kernel Test Service https://01.org/lkp
