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-rw-r--r--mm/migrate.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index d493c02d4e4a..96178f4c1215 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1062,6 +1062,9 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
goto out;
err = -ENODEV;
+ if (node < 0 || node >= MAX_NUMNODES)
+ goto out;
+
if (!node_state(node, N_HIGH_MEMORY))
goto out;