From ffb6f3d921bbc64d559164e23671a710a4dd9de5 Mon Sep 17 00:00:00 2001
From: o7si <32285332+o7si@users.noreply.github.com>
Date: Thu, 13 Nov 2025 06:41:02 +0800
Subject: [PATCH] vocab : correct bounds check for UGM XCDA array access
 (#17215)

---
 src/llama-vocab.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/llama-vocab.cpp b/src/llama-vocab.cpp
index 735c5d547f..97f374eac9 100644
--- a/src/llama-vocab.cpp
+++ b/src/llama-vocab.cpp
@@ -1013,7 +1013,7 @@ private:
         }
     private:
         uint32_t get_node(size_t index) {
-            if (index > xcda_array_size) {
+            if (index >= xcda_array_size) {
                 throw std::runtime_error("Index out of array bounds in XCDA array!");
             }
             return xcda_array[index];