Author: ramiro
Date: Wed Jun 25 02:40:14 2008
New Revision: 2571
Log:
Prevent negative lengths to be calculated from coded "end" values.
Modified:
mlp/mlpdec.c
Modified: mlp/mlpdec.c
==============================================================================
--- mlp/mlpdec.c (original)
+++ mlp/mlpdec.c Wed Jun 25 02:40:14 2008
@@ -1033,6 +1033,14 @@ static int read_access_unit(AVCodecConte
end = length - header_size;
}
+ if (end < substream_start) {
+ av_log(avctx, AV_LOG_INFO,
+ "Substream %d data indicated end offset "
+ "is before calculated start offset.\n",
+ substr);
+ goto error;
+ }
+
if (substr > m->max_decoded_substream)
continue;
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