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avcodec/hevc_ps: Fix runtime error: index 32 out of bounds for type 'uint8_t [32]'

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Fixes: 2010/clusterfuzz-testcase-minimized-6209288450080768

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 29808fff33)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-06-04 17:06:27 +02:00
parent 00312b5ea4
commit 0d19167a65
1 changed files with 6 additions and 0 deletions
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6
libavcodec/hevc_ps.c
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@ -170,6 +170,12 @@ int ff_hevc_decode_short_term_rps(GetBitContext *gb, AVCodecContext *avctx,
}
}
if (k >= FF_ARRAY_ELEMS(rps->used)) {
av_log(avctx, AV_LOG_ERROR,
"Invalid num_delta_pocs: %d\n", k);
return AVERROR_INVALIDDATA;
}
rps->num_delta_pocs = k;
rps->num_negative_pics = k0;
// sort in increasing order (smallest first)