libavcodec/amrnbdec.c:286: error: Buffer Overrun L1
  Offset added: 40 Size: 20.

libavcodec/amrnbdec.c:266:1: <Length trace>
264.  * @param update store data for computing the next frame's LSFs
265.  */
266. static void lsf2lsp_for_mode12k2(AMRContext *p, double lsp[LP_FILTER_ORDER],
     ^
267.                                  const float lsf_no_r[LP_FILTER_ORDER],
268.                                  const int16_t *lsf_quantizer[5],

libavcodec/amrnbdec.c:266:1: Array declaration
264.  * @param update store data for computing the next frame's LSFs
265.  */
266. static void lsf2lsp_for_mode12k2(AMRContext *p, double lsp[LP_FILTER_ORDER],
     ^
267.                                  const float lsf_no_r[LP_FILTER_ORDER],
268.                                  const int16_t *lsf_quantizer[5],

libavcodec/amrnbdec.c:286:9: Array access: Offset added: 40 Size: 20
284. 
285.     if (update)
286.         memcpy(p->prev_lsf_r, lsf_r, LP_FILTER_ORDER * sizeof(float));
             ^
287. 
288.     for (i = 0; i < LP_FILTER_ORDER; i++)
