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avcodec/imc: Fix bitstream buffer padding 

Fixes buffer overread

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-23 01:34:28 +02:00
parent 585047bb7d
commit 7444cf9a9c
1 changed files with 1 additions and 1 deletions
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libavcodec/imc.c
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@ -1018,7 +1018,7 @@ static int imc_decode_frame(AVCodecContext *avctx, void *data,
IMCContext *q = avctx->priv_data; IMCContext *q = avctx->priv_data;
LOCAL_ALIGNED_16(uint16_t, buf16, [IMC_BLOCK_SIZE / 2]); LOCAL_ALIGNED_16(uint16_t, buf16, [IMC_BLOCK_SIZE / 2 + FF_INPUT_BUFFER_PADDING_SIZE/2]);
if (buf_size < IMC_BLOCK_SIZE * avctx->channels) { if (buf_size < IMC_BLOCK_SIZE * avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "frame too small!\n"); av_log(avctx, AV_LOG_ERROR, "frame too small!\n");