From: Christos Zoulas <christos@zoulas.com>
Date: Thu, 1 Dec 2016 16:44:47 +0000 (+0000)
Subject: PR/583: Lukas Koldrt: Don't attempt to read 0 sized stream.
X-Git-Tag: FILE5_30~29
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=db5818858c49bb02391f61047d6b4a4450692e93;p=file

PR/583: Lukas Koldrt: Don't attempt to read 0 sized stream.
---

diff --git a/src/cdf.c b/src/cdf.c
index 94f21633..38d49f71 100644
--- a/src/cdf.c
+++ b/src/cdf.c
@@ -35,7 +35,7 @@
 #include "file.h"
 
 #ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.84 2016/10/17 15:25:34 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.85 2016/10/24 18:02:17 christos Exp $")
 #endif
 
 #include <assert.h>
@@ -530,6 +530,9 @@ cdf_read_long_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
 	scn->sst_dirlen = len;
 	scn->sst_ss = ss;
 
+	if (sid == CDF_SECID_END_OF_CHAIN || len == 0)
+		return cdf_zero_stream(scn);
+
 	if (scn->sst_len == (size_t)-1)
 		goto out;