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Fixed segfault with wavpack decoder on corrupted decorrelation terms sub-blocks.
Signed-off-by: Martin Storsjö <martin@martin.st>
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@ -863,12 +863,13 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
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}
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switch(id & WP_IDF_MASK){
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case WP_ID_DECTERMS:
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s->terms = size;
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if(s->terms > MAX_TERMS){
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if(size > MAX_TERMS){
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av_log(avctx, AV_LOG_ERROR, "Too many decorrelation terms\n");
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s->terms = 0;
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buf += ssize;
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continue;
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}
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s->terms = size;
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for(i = 0; i < s->terms; i++) {
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s->decorr[s->terms - i - 1].value = (*buf & 0x1F) - 5;
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s->decorr[s->terms - i - 1].delta = *buf >> 5;
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