From 6ce38e715a40bca7e3f83d4b74c7f1b09347789d Mon Sep 17 00:00:00 2001
From: "lane.wei" <lane.wei@bambulab.com>
Date: Tue, 10 Dec 2024 22:24:13 +0800
Subject: [PATCH] FIX: config: fix another potential crash when load gcode.3mf

jira: STUDIO-9131
Change-Id: I1bcac6dfa0454e4d6852b7c65bed8a82ac2af4b5
(cherry picked from commit a8f31fcd621deeab7dcc1091d4ae970021b52355)
---
 src/libslic3r/Config.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libslic3r/Config.hpp b/src/libslic3r/Config.hpp
index 7698bf5cf..d38612b59 100644
--- a/src/libslic3r/Config.hpp
+++ b/src/libslic3r/Config.hpp
@@ -721,7 +721,10 @@ public:
                 this->values[i] = rhs_vec->values[i];
                 modified        = true;
             } else {
-                this->values[i] = default_value[default_index[i]-1];
+                if ((i < default_index.size()) && (default_index[i] - 1 < default_value.size()))
+                    this->values[i] = default_value[default_index[i] - 1];
+                else
+                    this->values[i] = default_value[0];
             }
         }
         return modified;