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avcodec/ituh263dec: Use 0xffff as error code in h263p_decode_umotion()

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This matches ff_h263_decode_motion() both functions error codes are interpreted by the same common code

Fixes: 690/clusterfuzz-testcase-4744944981901312

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-02-28 22:07:37 +01:00
parent 04c99c8042
commit 12c3e120fe
1 changed files with 1 additions and 1 deletions
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2
libavcodec/ituh263dec.c
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@ -305,7 +305,7 @@ static int h263p_decode_umotion(MpegEncContext * s, int pred)
code += get_bits1(&s->gb);
if (code >= 32768) {
avpriv_request_sample(s->avctx, "Huge DMV");
return AVERROR_INVALIDDATA;
return 0xffff;
}
}
sign = code & 1;