From: Matthias Schwarzott <zzam@gentoo.org>
Date: Wed, 14 May 2008 14:03:49 +0000 (+0200)
Subject: cdrom_id: fix segfault
X-Git-Tag: 174~1702
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=4cd71da5603898cff68a31774be570750d7fd659;ds=sidebyside

cdrom_id: fix segfault
---

diff --git a/extras/cdrom_id/cdrom_id.c b/extras/cdrom_id/cdrom_id.c
index 0e0a463d9..e0cbe9e71 100644
--- a/extras/cdrom_id/cdrom_id.c
+++ b/extras/cdrom_id/cdrom_id.c
@@ -469,6 +469,8 @@ static int cd_media_toc(int fd)
 	info("READ TOC: len: %d\n", len);
 	if (len > sizeof(toc))
 		return -1;
+	if (len < 8)
+		return -1;
 
 	/* check if we have a data track */
 	info("ctl %02x (0x04 is data/audio)\n", header[5]);