From 3e94285e3bc6edea0871735d28921bd0cbe29557 Mon Sep 17 00:00:00 2001
From: Alexander Batalov <alex.batalov@gmail.com>
Date: Mon, 27 Feb 2023 23:07:04 +0300
Subject: [PATCH] Fix pipboy hotline buttons buffer overread

Closes #50
---
 src/game/pipboy.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/game/pipboy.cc b/src/game/pipboy.cc
index 43a3a46..0c203f9 100644
--- a/src/game/pipboy.cc
+++ b/src/game/pipboy.cc
@@ -2015,7 +2015,12 @@ static void AddHotLines(int start, int count, bool add_back_button)
 static void NixHotLines()
 {
     if (hot_line_count != 0) {
-        for (int index = hot_line_start; index < hot_line_start + hot_line_count; index++) {
+        int end = hot_line_start + hot_line_count;
+        if (end > 20) {
+            end = 20;
+        }
+
+        for (int index = hot_line_start; index < end; index++) {
             win_delete_button(HotLines[index]);
         }
     }