From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Fri, 19 Nov 2010 15:14:53 +0000 (+0000)
Subject: don't load corrupt wav files
X-Git-Tag: xonotic-v0.1.0preview~57
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=df2f87da97af1289f4f0d07f36afae6e36a71527;p=xonotic%2Fdarkplaces.git

don't load corrupt wav files

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10616 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=debad66a1a7af625005e58a5b7287770d3e50bc6
---

diff --git a/snd_wav.c b/snd_wav.c
index 438db2ba..3f1f76e8 100644
--- a/snd_wav.c
+++ b/snd_wav.c
@@ -84,6 +84,12 @@ static void FindNextChunk(char *name)
 			data_p = NULL;
 			return;
 		}
+		if (data_p + iff_chunk_len > iff_end)
+		{
+			// truncated chunk!
+			data_p = NULL;
+			return;
+		}
 		data_p -= 8;
 		last_chunk = data_p + 8 + ( (iff_chunk_len + 1) & ~1 );
 		if (!strncmp((const char *)data_p, name, 4))