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shorten: allocate space for padding
Fixes array overread Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -424,7 +424,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
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void *tmp_ptr;
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s->max_framesize = 8192; // should hopefully be enough for the first header
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tmp_ptr = av_fast_realloc(s->bitstream, &s->allocated_bitstream_size,
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s->max_framesize);
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s->max_framesize + FF_INPUT_BUFFER_PADDING_SIZE);
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if (!tmp_ptr) {
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av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n");
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return AVERROR(ENOMEM);
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