libavcodec/ra288.c:194: error: Buffer Overrun L3
  Offset: [-34, 35] (⇐ [0, 1] + [-34, 34]) Size: 37 by call to `backward_filter`.

libavcodec/ra288.c:194:13: Call
192. 
193.         if ((i & 7) == 3) {
194.             backward_filter(ractx->sp_hist, ractx->sp_rec, syn_window,
                 ^
195.                             ractx->sp_lpc, syn_bw_tab, 36, 40, 35, 70);
196. 

libavcodec/ra288.c:148:1: Array declaration
  146.  * Backward synthesis filter, find the LPC coefficients from past speech data.
  147.  */
  148. static void backward_filter(float *hist, float *rec, const float *window,
       ^
  149.                             float *lpc, const float *tab,
  150.                             int order, int n, int non_rec, int move_size)

libavcodec/ra288.c:156:10: Call
  154.     do_hybrid_window(order, n, non_rec, temp, hist, rec, window);
  155. 
  156.     if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
                ^
  157.         apply_window(lpc, lpc, tab, order);
  158. 

libavcodec/lpc.h:61:1: <Offset trace>
59.  * Produces LPC coefficients from autocorrelation data.
60.  */
61. static inline int compute_lpc_coefs(const LPC_TYPE *autoc, int max_order,
    ^
62.                                     LPC_TYPE *lpc, int lpc_stride, int fail,
63.                                     int normalize)

libavcodec/lpc.h:61:1: Parameter `max_order`
    59.  * Produces LPC coefficients from autocorrelation data.
    60.  */
    61. static inline int compute_lpc_coefs(const LPC_TYPE *autoc, int max_order,
        ^
    62.                                     LPC_TYPE *lpc, int lpc_stride, int fail,
    63.                                     int normalize)

libavcodec/lpc.h:61:1: <Length trace>
59.  * Produces LPC coefficients from autocorrelation data.
60.  */
61. static inline int compute_lpc_coefs(const LPC_TYPE *autoc, int max_order,
    ^
62.                                     LPC_TYPE *lpc, int lpc_stride, int fail,
63.                                     int normalize)

libavcodec/lpc.h:61:1: Parameter `*autoc`
    59.  * Produces LPC coefficients from autocorrelation data.
    60.  */
    61. static inline int compute_lpc_coefs(const LPC_TYPE *autoc, int max_order,
        ^
    62.                                     LPC_TYPE *lpc, int lpc_stride, int fail,
    63.                                     int normalize)

libavcodec/lpc.h:80:36: Array access: Offset: [-34, 35] (⇐ [0, 1] + [-34, 34]) Size: 37 by call to `backward_filter` 
    78.         if (normalize) {
    79.             for(j=0; j<i; j++)
    80.                 r -= lpc_last[j] * autoc[i-j-1];
                                           ^
    81. 
    82.             r /= err;
