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From 8bd3bdaf3768b3fb6adc85b3bc681fdce07b786e Mon Sep 17 00:00:00 2001
From: Jonathan Liu <net147@gmail.com>
Date: Wed, 03 Aug 2011 08:18:29 +0000
Subject: oggstream: Fix crashes with 0-byte vorbis packets
Fixes bug #655574.
---
diff --git a/ext/ogg/gstoggstream.c b/ext/ogg/gstoggstream.c
index e843f48..77f39d4 100644
--- a/ext/ogg/gstoggstream.c
+++ b/ext/ogg/gstoggstream.c
@@ -792,7 +792,7 @@ packet_duration_vorbis (GstOggStream * pad, ogg_packet * packet)
int size;
int duration;
- if (packet->packet[0] & 1)
+ if (packet->bytes == 0 || packet->packet[0] & 1)
return 0;
mode = (packet->packet[0] >> 1) & ((1 << pad->vorbis_log2_num_modes) - 1);
--
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