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Decoder: Memset 8 extra bytes at the end of internal bitstream buffer

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Decoder may read 8 extra bytes at the end of this buffer, though it will never be used
Setting it to zero will ensure unitialized reads are avoided

Change-Id: I724239861cb9fa64f3a70cb5450e094cb3afa20c
This commit is contained in:
Harish Mahendrakar 2015-08-26 16:17:55 +05:30 • committed by Marco Nelissen
parent 09c58b2c06
commit f377e8cb05
1 changed files with 5 additions and 0 deletions
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5
decoder/ih264d_api.c
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@ -1955,6 +1955,11 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
{
memcpy(pu1_bitstrm_buf, pu1_buf + u4_length_of_start_code,
buflen);
/* Decoder may read extra 8 bytes near end of the frame */
if((buflen + 8) < buf_size)
{
memset(pu1_bitstrm_buf + buflen, 0, 8);
}
u4_first_start_code_found = 1;
}