Out of array access in DFT stereo CNA
An out-of-array access was observed in function stereo_dft_dec()
, file ivas_stereo_dft_dec.c, line 1604:
if ( hStereoDft->frame_sid_nodata || st0->VAD == 0 )
{
hFdCngDec->cna_band_limits[b] = hStereoDft->band_limits[hFdCngDec->cna_nbands];
}
The buffer cna_band_limits[]
has a length of 13 elements while b = hStereoDft->nbands
usually equals to 13. Consequently, it is not the last element of hFdCngDec->cna_band_limits[]
which is written to but a subsequent parameter hFdCngDec->cna_act_fact
.
I see it e.g. when running DFT stereo at 32 kbps and 48 kHz I/O.