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avcodec/aacdec_template: Check samplerate

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Fixes: signed integer overflow: 2 * 1881153568 cannot be represented in type 'int'
Fixes: 17996/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5687126468853760

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 2019-10-08 22:52:56 +02:00
parent 2b655f55ea
commit 7730bacb41
1 changed files with 3 additions and 0 deletions
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3
libavcodec/aacdec_template.c
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@ -1157,6 +1157,9 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
AACContext *ac = avctx->priv_data;
int ret;
if (avctx->sample_rate > 96000)
return AVERROR_INVALIDDATA;
ret = ff_thread_once(&aac_table_init, &aac_static_table_init);
if (ret != 0)
return AVERROR_UNKNOWN;