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ima/policy: fix parsing of fsuuid

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The switch to uuid_t invereted the logic of verfication that &entry->fsuuid
is zero during parsing of "fsuuid=" rule. Instead of making sure the
&entry->fsuuid field is not attempted to be overwritten, we bail out for
perfectly correct rule.

Fixes: 787d8c530a ("ima/policy: switch to use uuid_t")

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
This commit is contained in:
Mike Rapoport 2018-01-17 20:27:11 +02:00 committed by Mimi Zohar
parent a2a2c3c858
commit 36447456e1
1 changed files with 1 additions and 1 deletions
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security/integrity/ima/ima_policy.c
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@ -765,7 +765,7 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry)
case Opt_fsuuid:
ima_log_string(ab, "fsuuid", args[0].from);
if (uuid_is_null(&entry->fsuuid)) {
if (!uuid_is_null(&entry->fsuuid)) {
result = -EINVAL;
break;
}