From b3dfebd6416058d5b849317a7d96b3d9085943fd Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 30 May 2014 05:21:24 +0200 Subject: [PATCH] avformat/matroskadec: fix off by 1 error in matroska_read_seek() Fixes out of array read Fixes: vp9-opus-crash.webm Found-by: Dale Curtis Signed-off-by: Michael Niedermayer --- libavformat/matroskadec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 65847fa17b8..213767c6468 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -3018,7 +3018,7 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index, tracks[i].stream, st->index_entries[index].timestamp, AVSEEK_FLAG_BACKWARD); while (index_sub >= 0 && - index_min >= 0 && + index_min > 0 && tracks[i].stream->index_entries[index_sub].pos < st->index_entries[index_min].pos && st->index_entries[index].timestamp - tracks[i].stream->index_entries[index_sub].timestamp < 30000000000 / matroska->time_scale) index_min--; -- 2.39.2