libavcodec/vp5.c:201: error: Buffer Overrun L1
  Offset: [5, +oo] (⇐ [0, +oo] + 5) Size: 2.

libavcodec/vp5.c:168:1: <Length trace>
166. }
167. 
168. static void vp5_parse_coeff(VP56Context *s)
     ^
169. {
170.     VP56RangeCoder *c = &s->c;

libavcodec/vp5.c:168:1: Parameter `s->modelp->coeff_dccv[*]`
166. }
167. 
168. static void vp5_parse_coeff(VP56Context *s)
     ^
169. {
170.     VP56RangeCoder *c = &s->c;

libavcodec/vp5.c:185:9: Assignment
183.         ctx = 6*s->coeff_ctx[ff_vp56_b6to4[b]][0]
184.               + s->above_blocks[s->above_block_idx[b]].not_null_dc;
185.         model1 = model->coeff_dccv[pt];
             ^
186.         model2 = model->coeff_dcct[pt][ctx];
187. 

libavcodec/vp5.c:201:62: Array access: Offset: [5, +oo] (⇐ [0, +oo] + 5) Size: 2
199.                     } else {
200.                         if (vp56_rac_get_prob(c, model2[4])) {
201.                             coeff = 3 + vp56_rac_get_prob(c, model1[5]);
                                                                  ^
202.                             s->coeff_ctx[ff_vp56_b6to4[b]][coeff_idx] = 3;
203.                         } else {
