libavcodec/vp9block.c:782: error: Buffer Overrun L1
  Offset: 10 Size: 6.

libavcodec/vp9block.c:711:1: <Length trace>
709. 
710. // FIXME remove tx argument, and merge cnt/eob arguments?
711. static int decode_block_coeffs(VP56RangeCoder *c, int16_t *coef, int n_coeffs,
     ^
712.                                enum TxfmMode tx, unsigned (*cnt)[6][3],
713.                                unsigned (*eob)[6][2], uint8_t(*p)[6][11],

libavcodec/vp9block.c:711:1: Parameter `(*p)[*]`
709. 
710. // FIXME remove tx argument, and merge cnt/eob arguments?
711. static int decode_block_coeffs(VP56RangeCoder *c, int16_t *coef, int n_coeffs,
     ^
712.                                enum TxfmMode tx, unsigned (*cnt)[6][3],
713.                                unsigned (*eob)[6][2], uint8_t(*p)[6][11],

libavcodec/vp9block.c:719:5: Assignment
717. {
718.     int i = 0, band = 0, band_left = band_counts[band];
719.     uint8_t *tp = p[0][nnz];
         ^
720.     uint8_t cache[1024];
721. 

libavcodec/vp9block.c:782:58: Array access: Offset: 10 Size: 6
780.                         val +=  vp56_rac_get_prob(c, 135);
781.                     }
782.                 } else if (!vp56_rac_get_prob_branchy(c, tp[10])) {
                                                              ^
783.                     val  = (vp56_rac_get_prob(c, 180) << 4) + 35;
784.                     val += (vp56_rac_get_prob(c, 157) << 3);
