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imc: add required padding for GetBitContext buffer 

Fixes stack buffer overflow errors detected by address sanitizer in
fate-imc.

CC: libav-stable@libav.org
This commit is contained in:
Janne Grunau 2015-06-08 14:48:54 +02:00
parent 09447f2b0f
commit 210921722b
1 changed files with 1 additions and 1 deletions
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2
libavcodec/imc.c
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@ -997,7 +997,7 @@ static int imc_decode_frame(AVCodecContext *avctx, void *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 + FF_INPUT_BUFFER_PADDING_SIZE) / 2]);
if (buf_size < IMC_BLOCK_SIZE * avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "frame too small!\n");