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avcodec/flvdec: make while get_bits loop more robust by checking bits left

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-30 14:23:30 +01:00
parent 9f5b75f241
commit b0f8b5c819
1 changed files with 2 additions and 0 deletions
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libavcodec/flvdec.c
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@ -104,6 +104,8 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
/* PEI */ /* PEI */
while (get_bits1(&s->gb) != 0) { while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8); skip_bits(&s->gb, 8);
if (get_bits_left(&s->gb) <= 0)
return AVERROR_INVALIDDATA;
} }
s->f_code = 1; s->f_code = 1;