From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 26 Nov 2013 17:36:28 +0000 (-0500)
Subject: Fix: fail when reading 0 byte event
X-Git-Tag: v1.1.2~19
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=1c7ddc31b585071c743368ba9e4d6b5279604ffc

Fix: fail when reading 0 byte event

Rather than looping forever.

Fixes #685

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

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 60d9c9f9..9047b7c2 100644
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -548,6 +548,11 @@ int ctf_read_event(struct bt_stream_pos *ppos, struct ctf_stream_definition *str
 			goto error;
 	}
 
+	if (pos->last_offset == pos->offset) {
+		fprintf(stderr, "[error] Invalid 0 byte event encountered.\n");
+		return -EINVAL;
+	}
+
 	return 0;
 
 error: