From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 1 Jan 2006 07:46:13 +0000 (+0000)
Subject: added vertex bounds checking in Mod_Q1BSP_LoadEdges
X-Git-Tag: xonotic-v0.1.0preview~4410
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=e29047732fff40e60c409aca8cefe99e16fcbcd3;p=xonotic%2Fdarkplaces.git

added vertex bounds checking in Mod_Q1BSP_LoadEdges


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@5881 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/model_brush.c b/model_brush.c
index a3096823..5234c494 100644
--- a/model_brush.c
+++ b/model_brush.c
@@ -1758,6 +1758,12 @@ static void Mod_Q1BSP_LoadEdges(lump_t *l)
 	{
 		out->v[0] = (unsigned short)LittleShort(in->v[0]);
 		out->v[1] = (unsigned short)LittleShort(in->v[1]);
+		if (out->v[0] >= loadmodel->brushq1.numvertices || out->v[1] >= loadmodel->brushq1.numvertices)
+		{
+			Host_Error("Mod_Q1BSP_LoadEdges: %s has invalid vertex indices in edge %i (vertices %i %i >= numvertices %i)\n", loadmodel->name, i, out->v[0], out->v[1], loadmodel->brushq1.numvertices);
+			out[0] = 0;
+			out[1] = 0;
+		}
 	}
 }