1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 1c65817673db..41615f38bcff 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -10,6 +10,7 @@
 #include <linux/compiler.h>
 #include <linux/spinlock.h>
 #include <linux/rcupdate.h>
+#include <linux/nospec.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/fs.h>
@@ -82,8 +83,10 @@ static inline struct file *__fcheck_files(struct files_struct *files, unsigned i
 {
         struct fdtable *fdt = rcu_dereference_raw(files->fdt);
 
-        if (fd < fdt->max_fds)
+        if (fd < fdt->max_fds) {
+                fd = array_index_nospec(fd, fdt->max_fds);
                 return rcu_dereference_raw(fdt->fd[fd]);
+        }
         return NULL;
 }