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mov: detect EOF in mov_read_dref()

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Avoid a near infinite loop.
Issue discovered by cosminamironesei.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Michael Niedermayer 2011-12-18 21:37:54 +01:00 committed by Luca Barbato
parent 4ed5ac50d3
commit 9db67bedf0
1 changed files with 2 additions and 0 deletions
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2
libavformat/mov.c
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@ -416,6 +416,8 @@ static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom)
avio_skip(pb, 16);
for (type = 0; type != -1 && avio_tell(pb) < next; ) {
if (pb->eof_reached)
return AVERROR_EOF;
type = avio_rb16(pb);
len = avio_rb16(pb);
av_log(c->fc, AV_LOG_DEBUG, "type %d, len %d\n", type, len);