libavcodec/vc1_block.c:1424: error: Buffer Overrun L2
  Offset: [0, 63] Size: 2.

libavcodec/vc1_block.c:1423:30: <Offset trace>
1421.                     v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
1422.                     if (v->rangeredfrm)
1423.                         for (j = 0; j < 64; j++)
                                   ^
1424.                             s->block[i][j] <<= 1;
1425.                     s->idsp.put_signed_pixels_clamped(s->block[i],

libavcodec/vc1_block.c:1423:30: Assignment
1421.                     v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
1422.                     if (v->rangeredfrm)
1423.                         for (j = 0; j < 64; j++)
                                   ^
1424.                             s->block[i][j] <<= 1;
1425.                     s->idsp.put_signed_pixels_clamped(s->block[i],

libavcodec/vc1_block.c:1417:21: <Length trace>
1415.                         v->c_avail = v->mb_type[0][s->block_index[i] - 1];
1416. 
1417.                     vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                          ^
1418.                                            (i & 4) ? v->codingset2 : v->codingset);
1419.                     if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))

libavcodec/vc1_block.c:1417:21: Call
1415.                         v->c_avail = v->mb_type[0][s->block_index[i] - 1];
1416. 
1417.                     vc1_decode_intra_block(v, s->block[i], i, val, mquant,
                          ^
1418.                                            (i & 4) ? v->codingset2 : v->codingset);
1419.                     if ((i > 3) && (s->avctx->flags & AV_CODEC_FLAG_GRAY))

libavcodec/vc1_block.c:967:1: Parameter `*block`
  965.  * @param codingset set of VLC to decode data
  966.  */
  967. static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n,
       ^
  968.                                   int coded, int mquant, int codingset)
  969. {

libavcodec/vc1_block.c:1424:29: Array access: Offset: [0, 63] Size: 2
1422.                     if (v->rangeredfrm)
1423.                         for (j = 0; j < 64; j++)
1424.                             s->block[i][j] <<= 1;
                                  ^
1425.                     s->idsp.put_signed_pixels_clamped(s->block[i],
1426.                                                       s->dest[dst_idx] + off,
