1 files changed, 3 insertions, 1 deletions

diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h
index f2d4b6348cbc..c28b0f20ab53 100644
--- a/security/apparmor/include/policy.h
+++ b/security/apparmor/include/policy.h
@@ -360,7 +360,9 @@ static inline void aa_put_replacedby(struct aa_replacedby *p)
 static inline void __aa_update_replacedby(struct aa_profile *orig,
                                           struct aa_profile *new)
 {
-        struct aa_profile *tmp = rcu_dereference(orig->replacedby->profile);
+        struct aa_profile *tmp;
+        tmp = rcu_dereference_protected(orig->replacedby->profile,
+                                        mutex_is_locked(&orig->ns->lock));
         rcu_assign_pointer(orig->replacedby->profile, aa_get_profile(new));
         orig->flags |= PFLAG_INVALID;
         aa_put_profile(tmp);