libavcodec/vp5.c:212: error: Buffer Overrun L1
  Offset: [5, +oo] (⇐ [0, +oo] + 5) Size: 2.

libavcodec/vp5.c:180:1: <Length trace>
178. }
179. 
180. static void vp5_parse_coeff(vp56_context_t *s)
     ^
181. {
182.     vp56_range_coder_t *c = &s->c;

libavcodec/vp5.c:180:1: Parameter `s->modelp->coeff_dccv[*]`
178. }
179. 
180. static void vp5_parse_coeff(vp56_context_t *s)
     ^
181. {
182.     vp56_range_coder_t *c = &s->c;

libavcodec/vp5.c:197:9: Assignment
195.         ctx = 6*s->coeff_ctx[vp56_b6to4[b]][0]
196.               + s->above_blocks[s->above_block_idx[b]].not_null_dc;
197.         model1 = model->coeff_dccv[pt];
             ^
198.         model2 = model->coeff_dcct[pt][ctx];
199. 

libavcodec/vp5.c:212:62: Array access: Offset: [5, +oo] (⇐ [0, +oo] + 5) Size: 2
210.                     } else {
211.                         if (vp56_rac_get_prob(c, model2[4])) {
212.                             coeff = 3 + vp56_rac_get_prob(c, model1[5]);
                                                                  ^
213.                             s->coeff_ctx[vp56_b6to4[b]][coeff_idx] = 3;
214.                         } else {
