apparmor: fix profile lookup for unconfined
BugLink: http://bugs.launchpad.net/bugs/978038
also affects apparmor portion of
BugLink: http://bugs.launchpad.net/bugs/987371
The unconfined profile is not stored in the regular profile list, but
change_profile and exec transitions may want access to it when setting
up specialized transitions like switch to the unconfined profile of a
new policy namespace.
Signed-off-by: John Johansen <john.johansen@canonical.com>
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c
index f1f7506..7f3f455 100644
--- a/security/apparmor/policy.c
+++ b/security/apparmor/policy.c
@@ -903,6 +903,10 @@
profile = aa_get_profile(__lookup_profile(&ns->base, hname));
read_unlock(&ns->lock);
+ /* the unconfined profile is not in the regular profile list */
+ if (!profile && strcmp(hname, "unconfined") == 0)
+ profile = aa_get_profile(ns->unconfined);
+
/* refcount released by caller */
return profile;
}