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avcodec/intelh263dec: make while get_bits loop more robust by checking bits left
author
Michael Niedermayer
<michaelni@gmx.at>
Wed, 30 Oct 2013 13:23:30 +0000
(14:23 +0100)
committer
Michael Niedermayer
<michaelni@gmx.at>
Wed, 30 Oct 2013 14:01:00 +0000
(15:01 +0100)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/intelh263dec.c
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diff --git
a/libavcodec/intelh263dec.c
b/libavcodec/intelh263dec.c
index
e5462e7
..
a45560c
100644
(file)
--- a/
libavcodec/intelh263dec.c
+++ b/
libavcodec/intelh263dec.c
@@
-113,6
+113,8
@@
int ff_intel_h263_decode_picture_header(MpegEncContext *s)
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
+ if (get_bits_left(&s->gb) <= 0)
+ return AVERROR_INVALIDDATA;
}
s->f_code = 1;