From 72026f92cb54eff1c1aec4fe9aea18fbec130325 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Fri, 30 Jun 2023 18:13:39 +0300
Subject: [PATCH] Fix #740: fix out-of-bound reads when handling type sizes

Loading progs.dat that uses FTE extensions types causes undefined behavior when saving games or printing edicts to console
---
 Quake/pr_edict.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Quake/pr_edict.c b/Quake/pr_edict.c
index e784151a..8228a933 100644
--- a/Quake/pr_edict.c
+++ b/Quake/pr_edict.c
@@ -843,6 +843,9 @@ void ED_Write (FILE *f, edict_t *ed)
 		if (type & DEF_SAVEGLOBAL)
 			continue;
 
+		if (type >= NUM_TYPE_SIZES)
+			continue;
+
 		name = PR_GetString (d->s_name);
 		j = strlen (name);
 		if (j > 1 && name[j - 2] == '_')