Hi Casey, I love your patch! Perhaps something to improve: [auto build test WARNING on nf-next/master] [also build test WARNING on nf/master linus/master v5.10-rc3 next-20201110] [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/Casey-Schaufler/LSM-Module-stacking-for-AppArmor/20201105-091817 base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: i386-randconfig-a004-20201104 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/3fc93335d8a4090601fe221c305017ca73c23c61 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Casey-Schaufler/LSM-Module-stacking-for-AppArmor/20201105-091817 git checkout 3fc93335d8a4090601fe221c305017ca73c23c61 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from security/integrity/ima/ima.h:22, from security/integrity/ima/ima_api.c:18: include/linux/audit.h:585:1: error: expected identifier or '(' before '+' token 585 | +static inline struct audit_context *audit_alloc_local(gfp_t gfpflags) | ^ security/integrity/ima/ima_api.c: In function 'ima_audit_measurement': security/integrity/ima/ima_api.c:360:12: error: implicit declaration of function 'audit_alloc_for_lsm'; did you mean 'audit_log_lsm'? [-Werror=implicit-function-declaration] 360 | context = audit_alloc_for_lsm(GFP_KERNEL); | ^~~~~~~~~~~~~~~~~~~ | audit_log_lsm >> security/integrity/ima/ima_api.c:360:10: warning: assignment to 'struct audit_context *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 360 | context = audit_alloc_for_lsm(GFP_KERNEL); | ^ In file included from security/integrity/ima/ima.h:22, from security/integrity/ima/ima_api.c:18: At top level: include/linux/audit.h:261:13: warning: 'audit_log_lsm' defined but not used [-Wunused-function] 261 | static void audit_log_lsm(struct audit_context *context) | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +360 security/integrity/ima/ima_api.c 339 340 void ima_audit_measurement(struct integrity_iint_cache *iint, 341 const unsigned char *filename) 342 { 343 struct audit_context *context; 344 struct audit_buffer *ab; 345 char *hash; 346 const char *algo_name = hash_algo_name[iint->ima_hash->algo]; 347 int i; 348 349 if (iint->flags & IMA_AUDITED) 350 return; 351 352 hash = kzalloc((iint->ima_hash->length * 2) + 1, GFP_KERNEL); 353 if (!hash) 354 return; 355 356 for (i = 0; i < iint->ima_hash->length; i++) 357 hex_byte_pack(hash + (i * 2), iint->ima_hash->digest[i]); 358 hash[i * 2] = '\0'; 359 > 360 context = audit_alloc_for_lsm(GFP_KERNEL); 361 ab = audit_log_start(context, GFP_KERNEL, AUDIT_INTEGRITY_RULE); 362 if (!ab) 363 goto out; 364 365 audit_log_format(ab, "file="); 366 audit_log_untrustedstring(ab, filename); 367 audit_log_format(ab, " hash=\"%s:%s\"", algo_name, hash); 368 369 audit_log_task_info(ab); 370 audit_log_end_local(ab, context); 371 372 iint->flags |= IMA_AUDITED; 373 out: 374 kfree(hash); 375 return; 376 } 377 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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