libavcodec/vp8.c:785: error: Buffer Overrun L1
  Offset: [9, 10] Size: 3 by call to `decode_block_coeffs_internal`.

libavcodec/vp8.c:777:1: Parameter `(*probs)[*]`
775.  *         otherwise, the index of the last coeff decoded plus one
776.  */
777. static av_always_inline
     ^
778. int decode_block_coeffs(VP56RangeCoder *c, DCTELEM block[16],
779.                         uint8_t probs[16][3][NUM_DCT_TOKENS-1],

libavcodec/vp8.c:782:5: Assignment
780.                         int i, int zero_nhood, int16_t qmul[2])
781. {
782.     uint8_t *token_prob = probs[i][zero_nhood];
         ^
783.     if (!vp56_rac_get_prob_branchy(c, token_prob[0]))   // DCT_EOB
784.         return 0;

libavcodec/vp8.c:785:12: Call
783.     if (!vp56_rac_get_prob_branchy(c, token_prob[0]))   // DCT_EOB
784.         return 0;
785.     return decode_block_coeffs_internal(c, block, probs, i, token_prob, qmul);
                ^
786. }
787. 

libavcodec/vp8.c:749:29: <Offset trace>
747.                     }
748.                 } else {    // DCT_CAT3 and up
749.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
                                 ^
750.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
751.                     int cat = (a<<1) + b;

libavcodec/vp8.c:749:29: Call
  747.                     }
  748.                 } else {    // DCT_CAT3 and up
  749.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
                                   ^
  750.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
  751.                     int cat = (a<<1) + b;

libavcodec/vp56.h:218:15: Assignment
    216.     unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
    217.     unsigned int low_shift = low << 16;
    218.     int bit = code_word >= low_shift;
                       ^
    219. 
    220.     c->high = bit ? c->high - low : low;

libavcodec/vp56.h:218:5: Assignment
    216.     unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
    217.     unsigned int low_shift = low << 16;
    218.     int bit = code_word >= low_shift;
             ^
    219. 
    220.     c->high = bit ? c->high - low : low;

libavcodec/vp56.h:223:5: Assignment
    221.     c->code_word = bit ? code_word - low_shift : code_word;
    222. 
    223.     return bit;
             ^
    224. }
    225. #endif

libavcodec/vp8.c:749:21: Assignment
  747.                     }
  748.                 } else {    // DCT_CAT3 and up
  749.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
                           ^
  750.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
  751.                     int cat = (a<<1) + b;

libavcodec/vp8.c:710:1: <Length trace>
708.  *         otherwise, the index of the last coeff decoded plus one
709.  */
710. static int decode_block_coeffs_internal(VP56RangeCoder *r, DCTELEM block[16],
     ^
711.                                         uint8_t probs[16][3][NUM_DCT_TOKENS-1],
712.                                         int i, uint8_t *token_prob, int16_t qmul[2])

libavcodec/vp8.c:710:1: Parameter `*token_prob`
  708.  *         otherwise, the index of the last coeff decoded plus one
  709.  */
  710. static int decode_block_coeffs_internal(VP56RangeCoder *r, DCTELEM block[16],
       ^
  711.                                         uint8_t probs[16][3][NUM_DCT_TOKENS-1],
  712.                                         int i, uint8_t *token_prob, int16_t qmul[2])

libavcodec/vp8.c:750:51: Array access: Offset: [9, 10] Size: 3 by call to `decode_block_coeffs_internal` 
  748.                 } else {    // DCT_CAT3 and up
  749.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
  750.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
                                                         ^
  751.                     int cat = (a<<1) + b;
  752.                     coeff  = 3 + (8<<cat);
