---
libavformat/matroskadec.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 3f48a72..a40aa1c 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1679,11 +1679,12 @@ static int matroska_parse_block(MatroskaDemuxContext
*matroska, uint8_t *data,
size -= n;
track = matroska_find_track_by_num(matroska, num);
- if (size <= 3 || !track || !track->stream) {
+ if (!track || !track->stream) {
av_log(matroska->ctx, AV_LOG_INFO,
"Invalid stream %"PRIu64" or size %u\n", num, size);
return AVERROR_INVALIDDATA;
- }
+ } else if (size <= 3)
+ return 0;
st = track->stream;
if (st->discard >= AVDISCARD_ALL)
return res;
--
1.7.2.1
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