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Decoder: Fixes an out of bound write in bitstream buffer

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am: 33ef7de9dd

Change-Id: If2ca8f044536549a32df1400c12099fa6bc562f1
This commit is contained in:
Harish Mahendrakar 2017-02-13 18:44:45 +00:00 • committed by android-build-merger
commit 0aab4958fb
1 changed files with 3 additions and 1 deletions
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4
decoder/ih264d_api.c
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@ -1956,7 +1956,9 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
if(buflen == -1)
buflen = 0;
/* Ignore bytes beyond the allocated size of intermediate buffer */
buflen = MIN(buflen, buf_size);
/* Since 8 bytes are read ahead, ensure 8 bytes are free at the
end of the buffer, which will be memset to 0 after emulation prevention */
buflen = MIN(buflen, buf_size - 8);
bytes_consumed = buflen + u4_length_of_start_code;
ps_dec_op->u4_num_bytes_consumed += bytes_consumed;