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avcodec/apedec: Set error on error in ape_decode_value_3860()

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Fixes: Timeout (unknown -> 15sec)
Fixes: 18808/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5677586072207360

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-11-18 08:51:20 +01:00
parent c94cb8d9b2
commit 2c2ee67fd3
1 changed files with 1 additions and 0 deletions
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libavcodec/apedec.c
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@ -496,6 +496,7 @@ static inline int ape_decode_value_3860(APEContext *ctx, GetBitContext *gb,
x = (overflow << rice->k) + get_bits(gb, rice->k);
} else {
av_log(ctx->avctx, AV_LOG_ERROR, "Too many bits: %"PRIu32"\n", rice->k);
ctx->error = 1;
return AVERROR_INVALIDDATA;
}
rice->ksum += x - (rice->ksum + 8 >> 4);