OriginalLocation: security/next bf83208e0b7f5938f5a7f6d9dfa9960bf04692fa
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>
---
security/apparmor/policy.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c
index 3bc2745..4a5e1b5 100644
--- a/security/apparmor/policy.c
+++ b/security/apparmor/policy.c
@@ -904,6 +904,10 @@ struct aa_profile *aa_lookup_profile(struct aa_namespace *ns, const char *hname)
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;
}
--
1.7.9.5


--
kernel-team mailing list
kernel-team@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/kernel-team