libavcodec/vc1dec.c:2624: error: Buffer Overrun L2
  Offset: [-oo, 66] (⇐ [1, 3] + [-oo, 63]) Size: 4.

libavcodec/vc1dec.c:2620:13: <Offset trace>
2618. 
2619.         while (!last) {
2620.             vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
                  ^
2621.             i += skip;
2622.             if (i > 63)

libavcodec/vc1dec.c:2620:13: Call
2618. 
2619.         while (!last) {
2620.             vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
                  ^
2621.             i += skip;
2622.             if (i > 63)

libavcodec/vc1acdata.h:34:1: Array declaration
  32. };
  33. 
  34. static const uint8_t vc1_index_decode_table[AC_MODES][185][2] = {
      ^
  35. {
  36. {  0,  1}, {  0,  2}, {  0,  3}, {  0,  4}, {  0,  5}, {  0,  6}, {  0,  7}, {  0,  8},

libavcodec/vc1dec.c:2483:9: Assignment
  2481.     index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3);
  2482.     if (index != ff_vc1_ac_sizes[codingset] - 1) {
  2483.         run   = vc1_index_decode_table[codingset][index][0];
                ^
  2484.         level = vc1_index_decode_table[codingset][index][1];
  2485.         lst   = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0;

libavcodec/vc1dec.c:2530:5: Assignment
  2528. 
  2529.     *last  = lst;
  2530.     *skip  = run;
            ^
  2531.     *value = level;
  2532. }

libavcodec/vc1dec.c:2621:13: Assignment
2619.         while (!last) {
2620.             vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
2621.             i += skip;
                  ^
2622.             if (i > 63)
2623.                 break;

libavcodec/vc1dec.c:2541:1: <Length trace>
2539.  * @param codingset set of VLC to decode data
2540.  */
2541. static int vc1_decode_i_block(VC1Context *v, int16_t block[64], int n,
      ^
2542.                               int coded, int codingset)
2543. {

libavcodec/vc1dec.c:2541:1: Parameter `v->zz_8x8[*]`
2539.  * @param codingset set of VLC to decode data
2540.  */
2541. static int vc1_decode_i_block(VC1Context *v, int16_t block[64], int n,
      ^
2542.                               int coded, int codingset)
2543. {

libavcodec/vc1dec.c:2606:17: Assignment
2604.         if (v->s.ac_pred) {
2605.             if (!dc_pred_dir)
2606.                 zz_table = v->zz_8x8[2];
                      ^
2607.             else
2608.                 zz_table = v->zz_8x8[3];

libavcodec/vc1dec.c:2624:19: Array access: Offset: [-oo, 66] (⇐ [1, 3] + [-oo, 63]) Size: 4
2622.             if (i > 63)
2623.                 break;
2624.             block[zz_table[i++]] = value;
                        ^
2625.         }
2626. 
