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avformat/oggdec: Check for EOF after page header

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Fixes: Infinite loop
Fixes: Ticket8594

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f1589be9fd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2020-04-01 20:58:52 +02:00
parent 6e768588c3
commit 94af3d9ca6
1 changed files with 3 additions and 0 deletions
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3
libavformat/oggdec.c
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@ -370,6 +370,9 @@ static int ogg_read_page(AVFormatContext *s, int *sid)
avio_skip(bc, 8); /* seq, crc */
nsegs = avio_r8(bc);
if (avio_feof(bc))
return AVERROR_EOF;
idx = ogg_find_stream(ogg, serial);
if (idx < 0) {
if (data_packets_seen(ogg))