Updated mt_validate() to validate MAPLE_ENODE and ma_nonleaf_data_end().
Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
---
lib/maple_tree.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 98e4fdf6f4b9..e0e9a87bdb43 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -7130,6 +7130,11 @@ static void mas_validate_child_slot(struct ma_state *mas)
MT_BUG_ON(mas->tree, 1);
}
+ if (!slot_is_mte((unsigned long)child)) {
+ pr_err("Slot is not mte %p[%u]\n", mas_mn(mas), i);
+ MT_BUG_ON(mas->tree, 1);
+ }
+
if (mte_parent_slot(child) != i) {
pr_err("Slot error at %p[%u]: child %p has pslot %u\n",
mas_mn(mas), i, mte_to_node(child),
@@ -7200,6 +7205,13 @@ static void mas_validate_limits(struct ma_state *mas)
MT_BUG_ON(mas->tree, 1);
}
+ if (!mte_is_leaf(mas->node) &&
+ mas_data_end(mas) != mte_nonleaf_data_end(mas->tree, mas->node)) {
+ pr_err("node:%p mas_data_end() != mte_nonleaf_data_end()\n",
+ mas_mn(mas));
+ MT_BUG_ON(mas->tree, 1);
+ }
+
for (i += 1; i < mt_slots[type]; i++) {
void *entry = mas_slot(mas, slots, i);
--
2.20.1
