1 files changed, 2 insertions, 1 deletions

diff --git a/security/keys/gc.c b/security/keys/gc.c
index 4770be375ffe..19902319d097 100644
--- a/security/keys/gc.c
+++ b/security/keys/gc.c
@@ -77,7 +77,8 @@ static bool key_gc_keyring(struct key *keyring, time_t limit)
                 goto dont_gc;
 
         /* scan the keyring looking for dead keys */
-        klist = rcu_dereference(keyring->payload.subscriptions);
+        klist = rcu_dereference_check(keyring->payload.subscriptions,
+                                      lockdep_is_held(&key_serial_lock));
         if (!klist)
                 goto dont_gc;