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Check for corrupted data in avs demuxer.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 1cce7def0a)
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Laurent Aimar
2011-10-01 00:44:54 +02:00
committed by Michael Niedermayer
parent 932b5f3cbb
commit c23d5261f7
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) {