diff options
Diffstat (limited to 'security/apparmor/policy.c')
| -rw-r--r-- | security/apparmor/policy.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 51e8184e0fec..b38f7b2a5e1d 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -430,11 +430,9 @@ static struct aa_policy *__lookup_parent(struct aa_ns *ns, * @hname: hierarchical profile name to find parent of (NOT NULL) * @gfp: type of allocation. * - * Returns: NULL on error, parent profile on success - * * Requires: ns mutex lock held * - * Returns: unrefcounted parent policy or NULL if error creating + * Return: unrefcounted parent policy on success or %NULL if error creating * place holder profiles. */ static struct aa_policy *__create_missing_ancestors(struct aa_ns *ns, @@ -591,7 +589,15 @@ struct aa_profile *aa_alloc_null(struct aa_profile *parent, const char *name, profile->label.flags |= FLAG_NULL; rules = list_first_entry(&profile->rules, typeof(*rules), list); rules->file.dfa = aa_get_dfa(nulldfa); + rules->file.perms = kcalloc(2, sizeof(struct aa_perms), GFP_KERNEL); + if (!rules->file.perms) + goto fail; + rules->file.size = 2; rules->policy.dfa = aa_get_dfa(nulldfa); + rules->policy.perms = kcalloc(2, sizeof(struct aa_perms), GFP_KERNEL); + if (!rules->policy.perms) + goto fail; + rules->policy.size = 2; if (parent) { profile->path_flags = parent->path_flags; @@ -602,6 +608,11 @@ struct aa_profile *aa_alloc_null(struct aa_profile *parent, const char *name, } return profile; + +fail: + aa_free_profile(profile); + + return NULL; } /** @@ -828,7 +839,7 @@ bool aa_current_policy_admin_capable(struct aa_ns *ns) /** * aa_may_manage_policy - can the current task manage policy * @label: label to check if it can manage policy - * @op: the policy manipulation operation being done + * @mask: contains the policy manipulation operation being done * * Returns: 0 if the task is allowed to manipulate policy else error */ @@ -883,7 +894,6 @@ static struct aa_profile *__list_lookup_parent(struct list_head *lh, * __replace_profile - replace @old with @new on a list * @old: profile to be replaced (NOT NULL) * @new: profile to replace @old with (NOT NULL) - * @share_proxy: transfer @old->proxy to @new * * Will duplicate and refcount elements that @new inherits from @old * and will inherit @old children. |