1 files changed, 5 insertions, 0 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 172abffeb2e..bb54b88c3d5 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -955,6 +955,11 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
                 goto out;
         }
 
+        if (!nodes_subset(new, node_online_map)) {
+                err = -EINVAL;
+                goto out;
+        }
+
         err = security_task_movememory(task);
         if (err)
                 goto out;