diff --git a/[refs] b/[refs]
index c7cc216a510d..f157ece44a6f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1be53963b0519bd3681749a9bed8b83aeb005cca
+refs/heads/master: 7d6feeb287c61aafa88f06345387b1188edf4b86
diff --git a/trunk/ipc/msg.c b/trunk/ipc/msg.c
index 085bd58f2f07..af42ef8900a6 100644
--- a/trunk/ipc/msg.c
+++ b/trunk/ipc/msg.c
@@ -125,6 +125,7 @@ void msg_init_ns(struct ipc_namespace *ns)
 void msg_exit_ns(struct ipc_namespace *ns)
 {
 	free_ipcs(ns, &msg_ids(ns), freeque);
+	idr_destroy(&ns->ids[IPC_MSG_IDS].ipcs_idr);
 }
 #endif
 
diff --git a/trunk/ipc/sem.c b/trunk/ipc/sem.c
index 87c2b641fd7b..2f2a47959576 100644
--- a/trunk/ipc/sem.c
+++ b/trunk/ipc/sem.c
@@ -129,6 +129,7 @@ void sem_init_ns(struct ipc_namespace *ns)
 void sem_exit_ns(struct ipc_namespace *ns)
 {
 	free_ipcs(ns, &sem_ids(ns), freeary);
+	idr_destroy(&ns->ids[IPC_SEM_IDS].ipcs_idr);
 }
 #endif
 
diff --git a/trunk/ipc/shm.c b/trunk/ipc/shm.c
index 11bec626c228..e9b039f74129 100644
--- a/trunk/ipc/shm.c
+++ b/trunk/ipc/shm.c
@@ -101,6 +101,7 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
 void shm_exit_ns(struct ipc_namespace *ns)
 {
 	free_ipcs(ns, &shm_ids(ns), do_shm_rmid);
+	idr_destroy(&ns->ids[IPC_SHM_IDS].ipcs_idr);
 }
 #endif