libavcodec/sipr16k.c:244: error: Buffer Overrun L2
  Offset: [0, 16] (⇐ [0, 1] + [0, 15]) Size: 2 by call to `ff_celp_lp_synthesis_filterf`.

libavcodec/sipr16k.c:165:1: Array declaration
163. #define DIVIDE_BY_3(x) ((x) * 10923 >> 15)
164. 
165. void ff_sipr_decode_frame_16k(SiprContext *ctx, SiprParameters *params,
     ^
166.                               float *out_data)
167. {

libavcodec/sipr16k.c:244:9: Call
242.                                 gain_code, L_SUBFR_16k);
243. 
244.         ff_celp_lp_synthesis_filterf(synth + i_subfr, Az[i],
             ^
245.                                      &excitation[i_subfr], L_SUBFR_16k,
246.                                      LP_FILTER_ORDER_16k);

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 `*filter_coeffs`
  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:187:23: Array access: Offset: [0, 16] (⇐ [0, 1] + [0, 15]) Size: 2 by call to `ff_celp_lp_synthesis_filterf` 
  185.         out[n] = in[n];
  186.         for (i = 1; i <= filter_length; i++)
  187.             out[n] -= filter_coeffs[i-1] * out[n-i];
                             ^
  188.     }
  189. }
