libavcodec/sipr16k.c:244: error: Buffer Overrun L1
  Offset: [5, 17] (⇐ [0, 1] + [5, 16]) 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:141:19: Array access: Offset: [5, 17] (⇐ [0, 1] + [5, 16]) Size: 2 by call to `ff_celp_lp_synthesis_filterf` 
  139.             old_out2 = out[-i-1];
  140. 
  141.             val = filter_coeffs[i];
                         ^
  142. 
  143.             out0 -= val * old_out2;
