From 7d1b5b4acbe71c32807f1fb0e6070269a5da97f7 Mon Sep 17 00:00:00 2001
From: Tim Angus <tim@ngus.net>
Date: Wed, 19 Oct 2005 22:15:51 +0000
Subject: [PATCH] * Fix to buffer overrun in shader parser from misanthropia

---
 code/renderer/tr_shader.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/code/renderer/tr_shader.c b/code/renderer/tr_shader.c
index f628b676..f896f31a 100644
--- a/code/renderer/tr_shader.c
+++ b/code/renderer/tr_shader.c
@@ -1438,6 +1438,13 @@ static qboolean ParseShader( char **text )
 			}
 			stages[s].active = qtrue;
 			s++;
+
+			// 20051019 misantropia -- fix buffer overrun.
+			if ( s >= MAX_SHADER_STAGES ) {
+				ri.Printf( PRINT_WARNING, "WARNING: too many stages in shader %s\n", shader.name );
+				return qfalse;
+			}
+
 			continue;
 		}
 		// skip stuff that only the QuakeEdRadient needs