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-rw-r--r--security/apparmor/include/label.h1
-rw-r--r--security/apparmor/label.c10
2 files changed, 10 insertions, 1 deletions
diff --git a/security/apparmor/include/label.h b/security/apparmor/include/label.h
index 9a283b722755..af22dcbbcb8a 100644
--- a/security/apparmor/include/label.h
+++ b/security/apparmor/include/label.h
@@ -310,6 +310,7 @@ bool aa_update_label_name(struct aa_ns *ns, struct aa_label *label, gfp_t gfp);
#define FLAG_SHOW_MODE 1
#define FLAG_VIEW_SUBNS 2
#define FLAG_HIDDEN_UNCONFINED 4
+#define FLAG_ABS_ROOT 8
int aa_label_snxprint(char *str, size_t size, struct aa_ns *view,
struct aa_label *label, int flags);
int aa_label_asxprint(char **strp, struct aa_ns *ns, struct aa_label *label,
diff --git a/security/apparmor/label.c b/security/apparmor/label.c
index 38be7a89cc31..52b4ef14840d 100644
--- a/security/apparmor/label.c
+++ b/security/apparmor/label.c
@@ -1607,8 +1607,13 @@ int aa_label_snxprint(char *str, size_t size, struct aa_ns *ns,
AA_BUG(!str && size != 0);
AA_BUG(!label);
- if (!ns)
+ if (flags & FLAG_ABS_ROOT) {
+ ns = root_ns;
+ len = snprintf(str, size, "=");
+ update_for_len(total, len, size, str);
+ } else if (!ns) {
ns = labels_ns(label);
+ }
label_for_each(i, label, profile) {
if (aa_ns_visible(ns, profile->ns, flags & FLAG_VIEW_SUBNS)) {
@@ -1868,6 +1873,9 @@ struct aa_label *aa_label_parse(struct aa_label *base, const char *str,
if (*str == '&')
str++;
}
+ if (*str == '=')
+ base = &root_ns->unconfined->label;
+
error = vec_setup(profile, vec, len, gfp);
if (error)
return ERR_PTR(error);