Hi Dmitry,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/kasatkin/linux-digsig.git working
head:   15c13a5d8f3b3855dc1eb16516f98ae667a4d113
commit: 49acd9a5386499c42af131a8993523542ef69736 [17/38] ima: add policy support for file system uuid
config: x86_64-randconfig-s275 (attached as .config)

All related error/warning messages:

security/integrity/ima/ima_policy.c: In function 'ima_parse_rule':
security/integrity/ima/ima_policy.c:450:4: error: implicit declaration of function 'part_pack_uuid' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

vim +450 security/integrity/ima/ima_policy.c
   445				    sizeof(entry->fsuuid))) {
   446					result = -EINVAL;
   447					break;
   448				}
   449	
 > 450				part_pack_uuid(args[0].from, entry->fsuuid);
   451				entry->flags |= IMA_FSUUID;
   452				result = 0;
   453				break;
   454			case Opt_uid:
   455				ima_log_string(ab, "uid", args[0].from);

---
0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation