From 8a96df7b70be509dae9ceec82d2c10a20361356d Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Thu, 28 Mar 2013 11:52:52 +0100
Subject: [PATCH] matroska: fix a corner case in ebml-lace parsing
Make sure we notice when the lace_size[n] is a negative value.
CC: libav-stable@libav.org
---
libavformat/matroskadec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 2ec669f0050..67a3308d7d5 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1820,7 +1820,7 @@ static int matroska_parse_laces(MatroskaDemuxContext *matroska, uint8_t **buf,
case 0x3: /* EBML lacing */ {
uint64_t num;
- uint32_t total;
+ uint64_t total;
n = matroska_ebmlnum_uint(matroska, data, size, &num);
if (n < 0) {
av_log(matroska->ctx, AV_LOG_INFO,
--
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