configfs: fix kernel infoleak through user-controlled format string

[cascardo/linux.git] / fs / configfs / item.c

diff --git a/fs/configfs/item.c b/fs/configfs/item.c
index 4d6a30e..b863a09 100644 (file)
--- a/fs/configfs/item.c
+++ b/fs/configfs/item.c
@@ -115,7 +115,7 @@ void config_item_init_type_name(struct config_item *item,
                                const char *name,
                                struct config_item_type *type)
 {
-       config_item_set_name(item, name);
+       config_item_set_name(item, "%s", name);
        item->ci_type = type;
        config_item_init(item);
 }
@@ -124,7 +124,7 @@ EXPORT_SYMBOL(config_item_init_type_name);
 void config_group_init_type_name(struct config_group *group, const char *name,
                         struct config_item_type *type)
 {
-       config_item_set_name(&group->cg_item, name);
+       config_item_set_name(&group->cg_item, "%s", name);
        group->cg_item.ci_type = type;
        config_group_init(group);
 }