libavcodec/vc1dec.c:1521: error: Buffer Overrun L2
  Offset: [-oo, 66] (⇐ [1, 3] + [-oo, 63]) Size: 4.

libavcodec/vc1dec.c:1517:13: <Offset trace>
1515. 
1516.         while (!last) {
1517.             vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
                  ^
1518.             i += skip;
1519.             if(i > 63)

libavcodec/vc1dec.c:1517:13: Call
1515. 
1516.         while (!last) {
1517.             vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
                  ^
1518.             i += skip;
1519.             if(i > 63)

libavcodec/vc1acdata.h:259:1: Array declaration
  257. };
  258. 
  259. static const uint8_t vc1_index_decode_table[AC_MODES][185][2] = {
       ^
  260. {
  261. {  0,  1}, {  0,  2}, {  0,  3}, {  0,  4}, {  0,  5}, {  0,  6}, {  0,  7}, {  0,  8},

libavcodec/vc1dec.c:1377:9: Assignment
  1375.     index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3);
  1376.     if (index != vc1_ac_sizes[codingset] - 1) {
  1377.         run = vc1_index_decode_table[codingset][index][0];
                ^
  1378.         level = vc1_index_decode_table[codingset][index][1];
  1379.         lst = index >= vc1_last_decode_table[codingset];

libavcodec/vc1dec.c:1424:5: Assignment
  1422. 
  1423.     *last = lst;
  1424.     *skip = run;
            ^
  1425.     *value = level;
  1426. }

libavcodec/vc1dec.c:1518:13: Assignment
1516.         while (!last) {
1517.             vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
1518.             i += skip;
                  ^
1519.             if(i > 63)
1520.                 break;

libavcodec/vc1dec.c:1435:1: <Length trace>
1433.  * @param codingset set of VLC to decode data
1434.  */
1435. static int vc1_decode_i_block(VC1Context *v, DCTELEM block[64], int n, int coded, int codingset)
      ^
1436. {
1437.     GetBitContext *gb = &v->s.gb;

libavcodec/vc1dec.c:1435:1: Parameter `v->zz_8x8[*]`
1433.  * @param codingset set of VLC to decode data
1434.  */
1435. static int vc1_decode_i_block(VC1Context *v, DCTELEM block[64], int n, int coded, int codingset)
      ^
1436. {
1437.     GetBitContext *gb = &v->s.gb;

libavcodec/vc1dec.c:1503:17: Assignment
1501.         if(v->s.ac_pred) {
1502.             if(!dc_pred_dir)
1503.                 zz_table = v->zz_8x8[2];
                      ^
1504.             else
1505.                 zz_table = v->zz_8x8[3];

libavcodec/vc1dec.c:1521:19: Array access: Offset: [-oo, 66] (⇐ [1, 3] + [-oo, 63]) Size: 4
1519.             if(i > 63)
1520.                 break;
1521.             block[zz_table[i++]] = value;
                        ^
1522.         }
1523. 
