Hi Roberto, Thank you for the patch! Yet something to improve: [auto build test ERROR on integrity/next-integrity] [also build test ERROR on linus/master v5.10-rc4 next-20201118] [cannot apply to security/next-testing] [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/0day-ci/linux/commits/Roberto-Sassu/evm-Improve-usability-of-portable-signatures/20201111-172839 base: https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity config: h8300-randconfig-r023-20201118 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/980f241069945bb56197027fd204689af8ec07e5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Roberto-Sassu/evm-Improve-usability-of-portable-signatures/20201111-172839 git checkout 980f241069945bb56197027fd204689af8ec07e5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): security/integrity/evm/evm_main.c: In function 'evm_xattr_acl_change': >> security/integrity/evm/evm_main.c:339:7: error: implicit declaration of function 'posix_acl_update_mode'; did you mean 'posix_acl_equiv_mode'? [-Werror=implicit-function-declaration] 339 | rc = posix_acl_update_mode(inode, &mode, &acl_res); | ^~~~~~~~~~~~~~~~~~~~~ | posix_acl_equiv_mode cc1: some warnings being treated as errors vim +339 security/integrity/evm/evm_main.c 313 314 /* 315 * evm_xattr_acl_change - check if passed ACL changes the inode mode 316 * @dentry: pointer to the affected dentry 317 * @xattr_name: requested xattr 318 * @xattr_value: requested xattr value 319 * @xattr_value_len: requested xattr value length 320 * 321 * Check if passed ACL changes the inode mode, which is protected by EVM. 322 * 323 * Returns 1 if passed ACL causes inode mode change, 0 otherwise. 324 */ 325 static int evm_xattr_acl_change(struct dentry *dentry, const char *xattr_name, 326 const void *xattr_value, size_t xattr_value_len) 327 { 328 umode_t mode; 329 struct posix_acl *acl = NULL, *acl_res; 330 struct inode *inode = d_backing_inode(dentry); 331 int rc; 332 333 /* UID/GID in ACL have been already converted from user to init ns */ 334 acl = posix_acl_from_xattr(&init_user_ns, xattr_value, xattr_value_len); 335 if (!acl) 336 return 1; 337 338 acl_res = acl; > 339 rc = posix_acl_update_mode(inode, &mode, &acl_res); 340 341 posix_acl_release(acl); 342 343 if (rc) 344 return 1; 345 346 if (acl_res && inode->i_mode != mode) 347 return 1; 348 349 return 0; 350 } 351 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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