From f86d66bcfa48998b0727aa0d1089a30cbeae0933 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 6 Mar 2013 10:42:51 +0100
Subject: [PATCH] vmdaudio: fix invalid reads when packet size is not a
multiple of chunk size
CC:libav-stable@libav.org
---
libavcodec/vmdav.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c
index b5b5524919c..8c6c7d5da47 100644
--- a/libavcodec/vmdav.c
+++ b/libavcodec/vmdav.c
@@ -627,7 +627,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, void *data,
/* decode audio chunks */
if (audio_chunks > 0) {
buf_end = buf + buf_size;
- while (buf < buf_end) {
+ while (buf + s->chunk_size <= buf_end) {
if (s->out_bps == 2) {
decode_audio_s16(output_samples_s16, buf, s->chunk_size,
avctx->channels);
--
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