3 files changed, 7 insertions, 3 deletions

diff --git a/ipc/msg.c b/ipc/msg.c
index 5b25e0755656..2c38f10d1483 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -1034,7 +1034,8 @@ void msg_exit_ns(struct ipc_namespace *ns)
 static int sysvipc_msg_proc_show(struct seq_file *s, void *it)
 {
         struct user_namespace *user_ns = seq_user_ns(s);
-        struct msg_queue *msq = it;
+        struct kern_ipc_perm *ipcp = it;
+        struct msg_queue *msq = container_of(ipcp, struct msg_queue, q_perm);
 
         seq_printf(s,
                    "%10d %10d  %4o  %10lu %10lu %5u %5u %5u %5u %5u %5u %10lu %10lu %10lu\n",
diff --git a/ipc/sem.c b/ipc/sem.c
index 9e70cd7a17da..38371e93bfa5 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2179,7 +2179,8 @@ void exit_sem(struct task_struct *tsk)
 static int sysvipc_sem_proc_show(struct seq_file *s, void *it)
 {
         struct user_namespace *user_ns = seq_user_ns(s);
-        struct sem_array *sma = it;
+        struct kern_ipc_perm *ipcp = it;
+        struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);
         time_t sem_otime;
 
         /*
diff --git a/ipc/shm.c b/ipc/shm.c
index 28a444861a8f..8828b4c3a190 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1380,9 +1380,11 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
 static int sysvipc_shm_proc_show(struct seq_file *s, void *it)
 {
         struct user_namespace *user_ns = seq_user_ns(s);
-        struct shmid_kernel *shp = it;
+        struct kern_ipc_perm *ipcp = it;
+        struct shmid_kernel *shp;
         unsigned long rss = 0, swp = 0;
 
+        shp = container_of(ipcp, struct shmid_kernel, shm_perm);
         shm_add_rss_swap(shp, &rss, &swp);
 
 #if BITS_PER_LONG <= 32