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interplayacm: increase bitstream buffer size by AV_INPUT_BUFFER_PADDING_SIZE 

This fixes out-of-bounds reads by the bitstream reader.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2016-10-30 21:18:20 +01:00
parent 140f48b90f
commit 60178e78f2
1 changed files with 1 additions and 1 deletions
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2
libavcodec/interplayacm.c
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@ -77,7 +77,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
s->block = av_calloc(s->block_len, sizeof(int));
s->wrapbuf = av_calloc(s->wrapbuf_len, sizeof(int));
s->ampbuf = av_calloc(0x10000, sizeof(int));
s->bitstream = av_calloc(s->max_framesize, sizeof(*s->bitstream));
s->bitstream = av_calloc(s->max_framesize + AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*s->bitstream) + 1, sizeof(*s->bitstream));
if (!s->block || !s->wrapbuf || !s->ampbuf || !s->bitstream)
return AVERROR(ENOMEM);