From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 27 Nov 2013 09:50:54 +0000 (-0500)
Subject: Fix: test content size vs headers len
X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;ds=sidebyside;h=a7ac9efd15a5a41c3f10358de621923099531755;p=deliverable%2Fbabeltrace.git

Fix: test content size vs headers len

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 278956b85..794e428c5 100644
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -1572,6 +1572,11 @@ begin:
 		return -EINVAL;
 	}
 
+	if (packet_index.content_size < pos->offset) {
+		fprintf(stderr, "[error] Invalid CTF stream: content size is smaller than packet headers.\n");
+		return -EINVAL;
+	}
+
 	if ((packet_index.packet_size >> LOG2_CHAR_BIT) == 0) {
 		fprintf(stderr, "[error] Invalid CTF stream: packet size needs to be at least one byte\n");
 		return -EINVAL;