Do return error if memory allocation or I/O fails.
---
 libavformat/matroskadec.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 5688658..3b78ae3 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2069,6 +2069,11 @@ static int matroska_read_packet(AVFormatContext *s, 
AVPacket *pkt)
         ret = matroska_parse_cluster(matroska);
     }
 
+    if (ret == AVERROR_INVALIDDATA) {
+        pkt->flags |= AV_PKT_FLAG_CORRUPT;
+        return 0;
+    }
+
     return ret;
 }
 
-- 
1.7.8.rc1

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