From d397fd48d29f481d3b25d397d943fc1ea4bf7759 Mon Sep 17 00:00:00 2001
From: tma <tma@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Wed, 19 Oct 2005 22:15:51 +0000
Subject: * Fix to buffer overrun in shader parser from misanthropia

git-svn-id: svn://svn.icculus.org/quake3/trunk@166 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 code/renderer/tr_shader.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'code')

diff --git a/code/renderer/tr_shader.c b/code/renderer/tr_shader.c
index f628b67..f896f31 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
-- 
cgit v1.2.3