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avcodec/h264_ps: Fix runtime error: signed integer overflow: 2147483647 + 26 cannot be represented in type 'int'

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Fixes: 902/clusterfuzz-testcase-4561155144024064

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4f727fbc7330e726d003e2961fa676ddaf86f994)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-03-22 00:17:05 +01:00
parent 8fc7fd63f2
commit 840d5bf994
1 changed files with 2 additions and 2 deletions
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4
libavcodec/h264_ps.c
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@ -803,8 +803,8 @@ int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avct
pps->weighted_pred = get_bits1(gb);
pps->weighted_bipred_idc = get_bits(gb, 2);
pps->init_qp = get_se_golomb(gb) + 26 + qp_bd_offset;
pps->init_qs = get_se_golomb(gb) + 26 + qp_bd_offset;
pps->init_qp = get_se_golomb(gb) + 26U + qp_bd_offset;
pps->init_qs = get_se_golomb(gb) + 26U + qp_bd_offset;
pps->chroma_qp_index_offset[0] = get_se_golomb(gb);
pps->deblocking_filter_parameters_present = get_bits1(gb);
pps->constrained_intra_pred = get_bits1(gb);