libavcodec/vp8.c:838: error: Buffer Overrun L1
  Offset: [9, 10] Size: 3 by call to `decode_block_coeffs_internal`.

libavcodec/vp8.c:830:1: Parameter `(*probs)[*]`
828.  *         otherwise, the index of the last coeff decoded plus one
829.  */
830. static av_always_inline
     ^
831. int decode_block_coeffs(VP56RangeCoder *c, int16_t block[16],
832.                         uint8_t probs[16][3][NUM_DCT_TOKENS-1],

libavcodec/vp8.c:835:5: Assignment
833.                         int i, int zero_nhood, int16_t qmul[2])
834. {
835.     uint8_t *token_prob = probs[i][zero_nhood];
         ^
836.     if (!vp56_rac_get_prob_branchy(c, token_prob[0]))   // DCT_EOB
837.         return 0;

libavcodec/vp8.c:838:12: Call
836.     if (!vp56_rac_get_prob_branchy(c, token_prob[0]))   // DCT_EOB
837.         return 0;
838.     return decode_block_coeffs_internal(c, block, probs, i, token_prob, qmul);
                ^
839. }
840. 

libavcodec/vp8.c:802:29: <Offset trace>
800.                     }
801.                 } else {    // DCT_CAT3 and up
802.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
                                 ^
803.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
804.                     int cat = (a<<1) + b;

libavcodec/vp8.c:802:29: Call
  800.                     }
  801.                 } else {    // DCT_CAT3 and up
  802.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
                                   ^
  803.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
  804.                     int cat = (a<<1) + b;

libavcodec/vp56.h:224:15: Assignment
    222.     unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
    223.     unsigned int low_shift = low << 16;
    224.     int bit = code_word >= low_shift;
                       ^
    225. 
    226.     c->high = bit ? c->high - low : low;

libavcodec/vp56.h:224:5: Assignment
    222.     unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
    223.     unsigned int low_shift = low << 16;
    224.     int bit = code_word >= low_shift;
             ^
    225. 
    226.     c->high = bit ? c->high - low : low;

libavcodec/vp56.h:229:5: Assignment
    227.     c->code_word = bit ? code_word - low_shift : code_word;
    228. 
    229.     return bit;
             ^
    230. }
    231. #endif

libavcodec/vp8.c:802:21: Assignment
  800.                     }
  801.                 } else {    // DCT_CAT3 and up
  802.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
                           ^
  803.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
  804.                     int cat = (a<<1) + b;

libavcodec/vp8.c:763:1: <Length trace>
761.  *         otherwise, the index of the last coeff decoded plus one
762.  */
763. static int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16],
     ^
764.                                         uint8_t probs[16][3][NUM_DCT_TOKENS-1],
765.                                         int i, uint8_t *token_prob, int16_t qmul[2])

libavcodec/vp8.c:763:1: Parameter `*token_prob`
  761.  *         otherwise, the index of the last coeff decoded plus one
  762.  */
  763. static int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16],
       ^
  764.                                         uint8_t probs[16][3][NUM_DCT_TOKENS-1],
  765.                                         int i, uint8_t *token_prob, int16_t qmul[2])

libavcodec/vp8.c:803:51: Array access: Offset: [9, 10] Size: 3 by call to `decode_block_coeffs_internal` 
  801.                 } else {    // DCT_CAT3 and up
  802.                     int a = vp56_rac_get_prob(&c, token_prob[8]);
  803.                     int b = vp56_rac_get_prob(&c, token_prob[9+a]);
                                                         ^
  804.                     int cat = (a<<1) + b;
  805.                     coeff  = 3 + (8<<cat);
