Hi Casey, I love your patch! Yet something to improve: [auto build test ERROR on pcmoore-audit/next] [also build test ERROR on pcmoore-selinux/next linus/master v5.19-rc4 next-20220627] [cannot apply to jmorris-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/intel-lab-lkp/linux/commits/Casey-Schaufler/integrity-disassociate-ima_filter_rule-from-security_audit_rule/20220628-095614 base: https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git next config: x86_64-randconfig-r022-20220627 (https://download.01.org/0day-ci/archive/20220628/202206281633.LuFVQ9tq-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/c930a07cebde69363d3633fba8bd4cac46dd1520 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Casey-Schaufler/integrity-disassociate-ima_filter_rule-from-security_audit_rule/20220628-095614 git checkout c930a07cebde69363d3633fba8bd4cac46dd1520 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): security/security.c: In function 'security_setprocattr': >> security/security.c:2319:45: error: 'lsm_slotlist' undeclared (first use in this function); did you mean 'lsm_slot'? 2319 | if (!strcmp(termed, lsm_slotlist[slot]->lsm)) { | ^~~~~~~~~~~~ | lsm_slot security/security.c:2319:45: note: each undeclared identifier is reported only once for each function it appears in security/security.c:2285:21: warning: variable 'slotname' set but not used [-Wunused-but-set-variable] 2285 | const char *slotname; | ^~~~~~~~ At top level: security/security.c:763:12: warning: 'lsm_sock_alloc' defined but not used [-Wunused-function] 763 | static int lsm_sock_alloc(struct sock *sock, gfp_t priority) | ^~~~~~~~~~~~~~ vim +2319 security/security.c 20510f2f4e2dab James Morris 2007-10-16 2266 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2267 /** a87b0b9fe463f0 Casey Schaufler 2022-06-27 2268 * security_setprocattr - Set process attributes via /proc a87b0b9fe463f0 Casey Schaufler 2022-06-27 2269 * @lsm: name of module involved, or NULL a87b0b9fe463f0 Casey Schaufler 2022-06-27 2270 * @name: name of the attribute a87b0b9fe463f0 Casey Schaufler 2022-06-27 2271 * @value: value to set the attribute to a87b0b9fe463f0 Casey Schaufler 2022-06-27 2272 * @size: size of the value a87b0b9fe463f0 Casey Schaufler 2022-06-27 2273 * a87b0b9fe463f0 Casey Schaufler 2022-06-27 2274 * Set the process attribute for the specified security module a87b0b9fe463f0 Casey Schaufler 2022-06-27 2275 * to the specified value. Note that this can only be used to set a87b0b9fe463f0 Casey Schaufler 2022-06-27 2276 * the process attributes for the current, or "self" process. a87b0b9fe463f0 Casey Schaufler 2022-06-27 2277 * The /proc code has already done this check. a87b0b9fe463f0 Casey Schaufler 2022-06-27 2278 * a87b0b9fe463f0 Casey Schaufler 2022-06-27 2279 * Returns 0 on success, an appropriate code otherwise. a87b0b9fe463f0 Casey Schaufler 2022-06-27 2280 */ 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2281 int security_setprocattr(const char *lsm, const char *name, void *value, 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2282 size_t size) 20510f2f4e2dab James Morris 2007-10-16 2283 { 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2284 struct security_hook_list *hp; c930a07cebde69 Casey Schaufler 2022-06-27 2285 const char *slotname; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2286 char *termed; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2287 char *copy; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2288 int *ilsm = current->security; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2289 int rc = -EINVAL; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2290 int slot = 0; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2291 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2292 if (!strcmp(name, "interface_lsm")) { a87b0b9fe463f0 Casey Schaufler 2022-06-27 2293 /* a87b0b9fe463f0 Casey Schaufler 2022-06-27 2294 * Change the "interface_lsm" value only if all the security a87b0b9fe463f0 Casey Schaufler 2022-06-27 2295 * modules that support setting a procattr allow it. a87b0b9fe463f0 Casey Schaufler 2022-06-27 2296 * It is assumed that all such security modules will be a87b0b9fe463f0 Casey Schaufler 2022-06-27 2297 * cooperative. a87b0b9fe463f0 Casey Schaufler 2022-06-27 2298 */ a87b0b9fe463f0 Casey Schaufler 2022-06-27 2299 if (size == 0) a87b0b9fe463f0 Casey Schaufler 2022-06-27 2300 return -EINVAL; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2301 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2302 hlist_for_each_entry(hp, &security_hook_heads.setprocattr, a87b0b9fe463f0 Casey Schaufler 2022-06-27 2303 list) { a87b0b9fe463f0 Casey Schaufler 2022-06-27 2304 rc = hp->hook.setprocattr(name, value, size); a87b0b9fe463f0 Casey Schaufler 2022-06-27 2305 if (rc < 0 && rc != LSM_RET_DEFAULT(setprocattr)) a87b0b9fe463f0 Casey Schaufler 2022-06-27 2306 return rc; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2307 } a87b0b9fe463f0 Casey Schaufler 2022-06-27 2308 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2309 rc = -EINVAL; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2310 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2311 copy = kmemdup_nul(value, size, GFP_KERNEL); a87b0b9fe463f0 Casey Schaufler 2022-06-27 2312 if (copy == NULL) a87b0b9fe463f0 Casey Schaufler 2022-06-27 2313 return -ENOMEM; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2314 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2315 termed = strsep(©, " \n"); a87b0b9fe463f0 Casey Schaufler 2022-06-27 2316 c930a07cebde69 Casey Schaufler 2022-06-27 2317 for (slot = 0; slot < lsm_slot; slot++) { c930a07cebde69 Casey Schaufler 2022-06-27 2318 slotname = lsm_slot_to_name(slot); a87b0b9fe463f0 Casey Schaufler 2022-06-27 @2319 if (!strcmp(termed, lsm_slotlist[slot]->lsm)) { c930a07cebde69 Casey Schaufler 2022-06-27 2320 *ilsm = slot; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2321 rc = size; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2322 break; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2323 } c930a07cebde69 Casey Schaufler 2022-06-27 2324 } a87b0b9fe463f0 Casey Schaufler 2022-06-27 2325 a87b0b9fe463f0 Casey Schaufler 2022-06-27 2326 kfree(termed); a87b0b9fe463f0 Casey Schaufler 2022-06-27 2327 return rc; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2328 } 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2329 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2330 hlist_for_each_entry(hp, &security_hook_heads.setprocattr, list) { ac35545bc102bf Casey Schaufler 2022-06-27 2331 if (lsm != NULL && strcmp(lsm, hp->lsmid->lsm)) 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2332 continue; a87b0b9fe463f0 Casey Schaufler 2022-06-27 2333 if (lsm == NULL && *ilsm != LSMBLOB_INVALID && a87b0b9fe463f0 Casey Schaufler 2022-06-27 2334 *ilsm != hp->lsmid->slot) a87b0b9fe463f0 Casey Schaufler 2022-06-27 2335 continue; 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2336 return hp->hook.setprocattr(name, value, size); 6d9c939dbe4d0b Casey Schaufler 2018-09-21 2337 } 98e828a0650f34 KP Singh 2020-03-29 2338 return LSM_RET_DEFAULT(setprocattr); 20510f2f4e2dab James Morris 2007-10-16 2339 } 20510f2f4e2dab James Morris 2007-10-16 2340 -- 0-DAY CI Kernel Test Service https://01.org/lkp
