libavcodec/qcelpdec.c:724: error: Buffer Overrun L3
  Offset: [-2, +oo] (⇐ [10, +oo] + [-12, -7]) Size: 170 by call to `ff_celp_lp_synthesis_filterf`.

libavcodec/qcelpdec.c:704:1: Array declaration
702. }
703. 
704. static void postfilter(QCELPContext *q, float *samples, float *lpc)
     ^
705. {
706.     static const float pow_0_775[10] = {

libavcodec/qcelpdec.c:724:5: Call
722.                                       q->formant_mem + 10, 160, 10);
723.     memcpy(pole_out, q->postfilter_synth_mem,       sizeof(float) * 10);
724.     ff_celp_lp_synthesis_filterf(pole_out + 10, lpc_p, zero_out, 160, 10);
         ^
725.     memcpy(q->postfilter_synth_mem, pole_out + 160, sizeof(float) * 10);
726. 

libavcodec/celp_filters.c:83:1: <Offset trace>
81. }
82. 
83. void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs,
    ^
84.                                   const float* in, int buffer_length,
85.                                   int filter_length)

libavcodec/celp_filters.c:83:1: Parameter `filter_length`
  81. }
  82. 
  83. void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs,
      ^
  84.                                   const float* in, int buffer_length,
  85.                                   int filter_length)

libavcodec/celp_filters.c:83:1: <Length trace>
81. }
82. 
83. void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs,
    ^
84.                                   const float* in, int buffer_length,
85.                                   int filter_length)

libavcodec/celp_filters.c:83:1: Parameter `*out`
  81. }
  82. 
  83. void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs,
      ^
  84.                                   const float* in, int buffer_length,
  85.                                   int filter_length)

libavcodec/celp_filters.c:157:24: Array access: Offset: [-2, +oo] (⇐ [10, +oo] + [-12, -7]) Size: 170 by call to `ff_celp_lp_synthesis_filterf` 
  155.             FFSWAP(float, old_out0, old_out2);
  156.             old_out1 = old_out3;
  157.             old_out3 = out[-i-2];
                              ^
  158.         }
  159. 
