116 				     struct integrity_iint_cache *iint,  in ima_rdwr_violation_check()  argument
128 			if (!iint)  in ima_rdwr_violation_check()
129 				iint = integrity_iint_find(inode);  in ima_rdwr_violation_check()
131 			if (iint && test_bit(IMA_MUST_MEASURE,  in ima_rdwr_violation_check()
132 						&iint->atomic_flags))  in ima_rdwr_violation_check()
137 			set_bit(IMA_MUST_MEASURE, &iint->atomic_flags);  in ima_rdwr_violation_check()
148 		ima_add_violation(file, *pathname, iint,  in ima_rdwr_violation_check()
151 		ima_add_violation(file, *pathname, iint,  in ima_rdwr_violation_check()
155 static void ima_check_last_writer(struct integrity_iint_cache *iint,  in ima_check_last_writer()  argument
164 	mutex_lock(&iint->mutex);  in ima_check_last_writer()
169 					    &iint->atomic_flags);  in ima_check_last_writer()
170 		if ((iint->flags & IMA_NEW_FILE) ||  in ima_check_last_writer()
175 		    stat.change_cookie != iint->version) {  in ima_check_last_writer()
176 			iint->flags &= ~(IMA_DONE_MASK | IMA_NEW_FILE);  in ima_check_last_writer()
177 			iint->measured_pcrs = 0;  in ima_check_last_writer()
179 				ima_update_xattr(iint, file);  in ima_check_last_writer()
182 	mutex_unlock(&iint->mutex);  in ima_check_last_writer()
194 	struct integrity_iint_cache *iint;  in ima_file_free()  local
199 	iint = integrity_iint_find(inode);  in ima_file_free()
200 	if (!iint)  in ima_file_free()
203 	ima_check_last_writer(iint, inode, file);  in ima_file_free()
211 	struct integrity_iint_cache *iint = NULL;  in process_measurement()  local
250 		iint = integrity_inode_get(inode);  in process_measurement()
251 		if (!iint)  in process_measurement()
256 		ima_rdwr_violation_check(file, iint, action & IMA_MEASURE,  in process_measurement()
266 	mutex_lock(&iint->mutex);  in process_measurement()
268 	if (test_and_clear_bit(IMA_CHANGE_ATTR, &iint->atomic_flags))  in process_measurement()
270 		iint->flags &= ~(IMA_APPRAISE | IMA_APPRAISED |  in process_measurement()
279 	if (test_and_clear_bit(IMA_CHANGE_XATTR, &iint->atomic_flags) ||  in process_measurement()
283 		iint->flags &= ~IMA_DONE_MASK;  in process_measurement()
284 		iint->measured_pcrs = 0;  in process_measurement()
291 	iint->flags |= action;  in process_measurement()
293 	action &= ~((iint->flags & (IMA_DONE_MASK ^ IMA_MEASURED)) >> 1);  in process_measurement()
296 	if ((action & IMA_MEASURE) && (iint->measured_pcrs & (0x1 << pcr)))  in process_measurement()
301 	    !(test_bit(IMA_DIGSIG, &iint->atomic_flags))) {  in process_measurement()
306 			set_bit(IMA_DIGSIG, &iint->atomic_flags);  in process_measurement()
307 		iint->flags |= IMA_HASHED;  in process_measurement()
309 		set_bit(IMA_UPDATE_XATTR, &iint->atomic_flags);  in process_measurement()
318 				rc = ima_get_cache_status(iint, func);  in process_measurement()
334 		if (iint->flags & IMA_MODSIG_ALLOWED) {  in process_measurement()
338 			    iint->flags & IMA_MEASURED)  in process_measurement()
345 	rc = ima_collect_measurement(iint, file, buf, size, hash_algo, modsig);  in process_measurement()
353 		ima_store_measurement(iint, file, pathname,  in process_measurement()
357 		rc = ima_check_blacklist(iint, modsig, pcr);  in process_measurement()
360 			rc = ima_appraise_measurement(func, iint, file,  in process_measurement()
370 		ima_audit_measurement(iint, pathname);  in process_measurement()
372 	if ((file->f_flags & O_DIRECT) && (iint->flags & IMA_PERMIT_DIRECTIO))  in process_measurement()
385 	if ((mask & MAY_WRITE) && test_bit(IMA_DIGSIG, &iint->atomic_flags) &&  in process_measurement()
386 	     !(iint->flags & IMA_NEW_FILE))  in process_measurement()
388 	mutex_unlock(&iint->mutex);  in process_measurement()
398 			set_bit(IMA_UPDATE_XATTR, &iint->atomic_flags);  in process_measurement()
552 	struct integrity_iint_cache *iint = NULL, tmp_iint;  in __ima_inode_hash()  local
556 		iint = integrity_iint_find(inode);  in __ima_inode_hash()
557 		if (iint)  in __ima_inode_hash()
558 			mutex_lock(&iint->mutex);  in __ima_inode_hash()
561 	if ((!iint || !(iint->flags & IMA_COLLECTED)) && file) {  in __ima_inode_hash()
562 		if (iint)  in __ima_inode_hash()
563 			mutex_unlock(&iint->mutex);  in __ima_inode_hash()
579 		iint = &tmp_iint;  in __ima_inode_hash()
580 		mutex_lock(&iint->mutex);  in __ima_inode_hash()
583 	if (!iint)  in __ima_inode_hash()
590 	if (!iint->ima_hash || !(iint->flags & IMA_COLLECTED)) {  in __ima_inode_hash()
591 		mutex_unlock(&iint->mutex);  in __ima_inode_hash()
598 		copied_size = min_t(size_t, iint->ima_hash->length, buf_size);  in __ima_inode_hash()
599 		memcpy(buf, iint->ima_hash->digest, copied_size);  in __ima_inode_hash()
601 	hash_algo = iint->ima_hash->algo;  in __ima_inode_hash()
602 	mutex_unlock(&iint->mutex);  in __ima_inode_hash()
604 	if (iint == &tmp_iint)  in __ima_inode_hash()
605 		kfree(iint->ima_hash);  in __ima_inode_hash()
675 	struct integrity_iint_cache *iint;  in ima_post_create_tmpfile()  local
687 	iint = integrity_inode_get(inode);  in ima_post_create_tmpfile()
688 	if (!iint)  in ima_post_create_tmpfile()
692 	set_bit(IMA_UPDATE_XATTR, &iint->atomic_flags);  in ima_post_create_tmpfile()
693 	iint->ima_file_status = INTEGRITY_PASS;  in ima_post_create_tmpfile()
707 	struct integrity_iint_cache *iint;  in ima_post_path_mknod()  local
720 	iint = integrity_inode_get(inode);  in ima_post_path_mknod()
721 	if (!iint)  in ima_post_path_mknod()
725 	iint->flags |= IMA_NEW_FILE;  in ima_post_path_mknod()
923 	struct integrity_iint_cache iint = {};  in process_buffer_measurement()  local
924 	struct ima_event_data event_data = {.iint = &iint,  in process_buffer_measurement()
968 	iint.ima_hash = &hash.hdr;  in process_buffer_measurement()
969 	iint.ima_hash->algo = ima_hash_algo;  in process_buffer_measurement()
970 	iint.ima_hash->length = hash_digest_size[ima_hash_algo];  in process_buffer_measurement()
972 	ret = ima_calc_buffer_hash(buf, size, iint.ima_hash);  in process_buffer_measurement()
982 					   iint.ima_hash);  in process_buffer_measurement()
993 		memcpy(digest, iint.ima_hash->digest, digest_hash_len);  in process_buffer_measurement()