On Thu, 2017-05-18 at 08:26 +0200, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Thanks!
Acked-by: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
> ---
> security/integrity/ima/ima_policy.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index 49fbc3e8f012..da3e7d50e0d7 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -61,7 +61,7 @@ struct ima_rule_entry {
> enum ima_hooks func;
> int mask;
> unsigned long fsmagic;
> - u8 fsuuid[16];
> + uuid_t fsuuid;
> kuid_t uid;
> kuid_t fowner;
> bool (*uid_op)(kuid_t, kuid_t); /* Handlers for operators */
> @@ -244,7 +244,7 @@ static bool ima_match_rules(struct ima_rule_entry *rule, struct inode *inode,
> && rule->fsmagic != inode->i_sb->s_magic)
> return false;
> if ((rule->flags & IMA_FSUUID) &&
> - memcmp(rule->fsuuid, inode->i_sb->s_uuid, sizeof(rule->fsuuid)))
> + memcmp(&rule->fsuuid, inode->i_sb->s_uuid, sizeof(rule->fsuuid)))
> return false;
> if ((rule->flags & IMA_UID) && !rule->uid_op(cred->uid, rule->uid))
> return false;
> @@ -711,13 +711,12 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry)
> case Opt_fsuuid:
> ima_log_string(ab, "fsuuid", args[0].from);
>
> - if (memchr_inv(entry->fsuuid, 0x00,
> - sizeof(entry->fsuuid))) {
> + if (uuid_is_null(&entry->fsuuid)) {
> result = -EINVAL;
> break;
> }
>
> - result = uuid_to_bin(args[0].from, (uuid_t *)&entry->fsuuid);
> + result = uuid_to_bin(args[0].from, &entry->fsuuid);
> if (!result)
> entry->flags |= IMA_FSUUID;
> break;
> @@ -1086,7 +1085,7 @@ int ima_policy_show(struct seq_file *m, void *v)
> }
>
> if (entry->flags & IMA_FSUUID) {
> - seq_printf(m, "fsuuid=%pU", entry->fsuuid);
> + seq_printf(m, "fsuuid=%pU", &entry->fsuuid);
> seq_puts(m, " ");
> }
>
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