libavcodec/vp8.c:879: error: Buffer Overrun L1
  Offset: [9, 10] Size: 3 by call to `decode_block_coeffs_internal`.

libavcodec/vp8.c:871:1: Parameter `(*probs)[*]`
869. }
870. 
871. static av_always_inline
     ^
872. int decode_block_coeffs(VP56RangeCoder *c, DCTELEM block[16],
873.                         uint8_t probs[8][3][NUM_DCT_TOKENS-1],

libavcodec/vp8.c:876:5: Assignment
874.                         int i, int zero_nhood, int16_t qmul[2])
875. {
876.     uint8_t *token_prob = probs[i][zero_nhood];
         ^
877.     if (!vp56_rac_get_prob_branchy(c, token_prob[0]))   // DCT_EOB
878.         return 0;

libavcodec/vp8.c:879:12: Call
877.     if (!vp56_rac_get_prob_branchy(c, token_prob[0]))   // DCT_EOB
878.         return 0;
879.     return decode_block_coeffs_internal(c, block, probs, i, token_prob, qmul);
                ^
880. }
881. 

libavcodec/vp8.c:856:29: <Offset trace>
854.                     }
855.                 } else {    // DCT_CAT3 and up
856.                     int a = vp56_rac_get_prob(c, token_prob[8]);
                                 ^
857.                     int b = vp56_rac_get_prob(c, token_prob[9+a]);
858.                     int cat = (a<<1) + b;

libavcodec/vp8.c:856:29: Call
  854.                     }
  855.                 } else {    // DCT_CAT3 and up
  856.                     int a = vp56_rac_get_prob(c, token_prob[8]);
                                   ^
  857.                     int b = vp56_rac_get_prob(c, token_prob[9+a]);
  858.                     int cat = (a<<1) + b;

libavcodec/vp56.h:215:15: Assignment
    213.     unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
    214.     unsigned int low_shift = low << 16;
    215.     int bit = code_word >= low_shift;
                       ^
    216. 
    217.     c->high = bit ? c->high - low : low;

libavcodec/vp56.h:215:5: Assignment
    213.     unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
    214.     unsigned int low_shift = low << 16;
    215.     int bit = code_word >= low_shift;
             ^
    216. 
    217.     c->high = bit ? c->high - low : low;

libavcodec/vp56.h:220:5: Assignment
    218.     c->code_word = bit ? code_word - low_shift : code_word;
    219. 
    220.     return bit;
             ^
    221. }
    222. #endif

libavcodec/vp8.c:856:21: Assignment
  854.                     }
  855.                 } else {    // DCT_CAT3 and up
  856.                     int a = vp56_rac_get_prob(c, token_prob[8]);
                           ^
  857.                     int b = vp56_rac_get_prob(c, token_prob[9+a]);
  858.                     int cat = (a<<1) + b;

libavcodec/vp8.c:818:1: <Length trace>
816.  *         otherwise, the index of the last coeff decoded plus one
817.  */
818. static int decode_block_coeffs_internal(VP56RangeCoder *c, DCTELEM block[16],
     ^
819.                                         uint8_t probs[8][3][NUM_DCT_TOKENS-1],
820.                                         int i, uint8_t *token_prob, int16_t qmul[2])

libavcodec/vp8.c:818:1: Parameter `*token_prob`
  816.  *         otherwise, the index of the last coeff decoded plus one
  817.  */
  818. static int decode_block_coeffs_internal(VP56RangeCoder *c, DCTELEM block[16],
       ^
  819.                                         uint8_t probs[8][3][NUM_DCT_TOKENS-1],
  820.                                         int i, uint8_t *token_prob, int16_t qmul[2])

libavcodec/vp8.c:857:50: Array access: Offset: [9, 10] Size: 3 by call to `decode_block_coeffs_internal` 
  855.                 } else {    // DCT_CAT3 and up
  856.                     int a = vp56_rac_get_prob(c, token_prob[8]);
  857.                     int b = vp56_rac_get_prob(c, token_prob[9+a]);
                                                        ^
  858.                     int cat = (a<<1) + b;
  859.                     coeff  = 3 + (8<<cat);
