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Check for corrupted data in avs demuxer. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-10-01 00:44:54 +02:00 committed by Michael Niedermayer
parent 834b3760a7
commit 1cce7def0a
1 changed files with 2 additions and 0 deletions
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2
libavformat/avs.c
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@ -163,6 +163,8 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt)
sub_type = avio_r8(s->pb); sub_type = avio_r8(s->pb);
type = avio_r8(s->pb); type = avio_r8(s->pb);
size = avio_rl16(s->pb); size = avio_rl16(s->pb);
if (size < 4)
return AVERROR_INVALIDDATA;
avs->remaining_frame_size -= size; avs->remaining_frame_size -= size;
switch (type) { switch (type) {