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Merge commit '279e3aaa14daba6b7a37d75f3fb6e29c732d123f'

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* commit '279e3aaa14daba6b7a37d75f3fb6e29c732d123f':
  flv: Validate the packet size

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-10-28 15:29:23 -03:00
commit 220603d0c8
1 changed files with 6 additions and 0 deletions
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6
libavformat/flvdec.c
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@ -1152,6 +1152,12 @@ retry_duration:
st->codecpar->codec_id == AV_CODEC_ID_MPEG4) {
int type = avio_r8(s->pb);
size--;
if (size < 0) {
ret = AVERROR_INVALIDDATA;
goto leave;
}
if (st->codecpar->codec_id == AV_CODEC_ID_H264 || st->codecpar->codec_id == AV_CODEC_ID_MPEG4) {
// sign extension
int32_t cts = (avio_rb24(s->pb) + 0xff800000) ^ 0xff800000;