From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Wed, 25 Aug 2004 08:55:00 +0000 (+0000)
Subject: fixed a couple potential crashes due to nodestack overflow, as suggested by Vic
X-Git-Tag: xonotic-v0.1.0preview~5699
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=c05bdc5c0dddcabf4d0965f17426a9b8c2b8a668;p=xonotic%2Fdarkplaces.git

fixed a couple potential crashes due to nodestack overflow, as suggested by Vic


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@4378 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/model_brush.c b/model_brush.c
index 45b5340f..591e9ef4 100644
--- a/model_brush.c
+++ b/model_brush.c
@@ -126,7 +126,8 @@ static int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3
 			else
 			{
 				// box crosses plane, take one path and remember the other
-				nodestack[nodestackindex++] = node->children[0];
+				if (nodestackindex < 1024)
+					nodestack[nodestackindex++] = node->children[0];
 				node = node->children[1];
 			}
 		}
@@ -5343,7 +5344,8 @@ static int Mod_Q3BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3
 			else
 			{
 				// box crosses plane, take one path and remember the other
-				nodestack[nodestackindex++] = node->children[0];
+				if (nodestackindex < 1024)
+					nodestack[nodestackindex++] = node->children[0];
 				node = node->children[1];
 			}
 		}