libavcodec/vc1dec.c:4848: error: Buffer Overrun L2
  Offset: [0, 63] Size: 2.

libavcodec/vc1dec.c:4847:30: <Offset trace>
4845.                 if (v->pq >= 9 && v->overlap) {
4846.                     if (v->rangeredfrm)
4847.                         for (j = 0; j < 64; j++)
                                   ^
4848.                             s->block[k][j] <<= 1;
4849.                     s->idsp.put_signed_pixels_clamped(s->block[k], dst[k],

libavcodec/vc1dec.c:4847:30: Assignment
4845.                 if (v->pq >= 9 && v->overlap) {
4846.                     if (v->rangeredfrm)
4847.                         for (j = 0; j < 64; j++)
                                   ^
4848.                             s->block[k][j] <<= 1;
4849.                     s->idsp.put_signed_pixels_clamped(s->block[k], dst[k],

libavcodec/vc1dec.c:4840:17: <Length trace>
4838.                 cbp |= val << (5 - k);
4839. 
4840.                 vc1_decode_i_block(v, s->block[k], k, val, (k < 4) ? v->codingset : v->codingset2);
                      ^
4841. 
4842.                 if (k > 3 && (s->flags & CODEC_FLAG_GRAY))

libavcodec/vc1dec.c:4840:17: Call
4838.                 cbp |= val << (5 - k);
4839. 
4840.                 vc1_decode_i_block(v, s->block[k], k, val, (k < 4) ? v->codingset : v->codingset2);
                      ^
4841. 
4842.                 if (k > 3 && (s->flags & CODEC_FLAG_GRAY))

libavcodec/vc1dec.c:2632:1: Parameter `*block`
  2630.  * @param codingset set of VLC to decode data
  2631.  */
  2632. static int vc1_decode_i_block(VC1Context *v, int16_t block[64], int n,
        ^
  2633.                               int coded, int codingset)
  2634. {

libavcodec/vc1dec.c:4848:29: Array access: Offset: [0, 63] Size: 2
4846.                     if (v->rangeredfrm)
4847.                         for (j = 0; j < 64; j++)
4848.                             s->block[k][j] <<= 1;
                                  ^
4849.                     s->idsp.put_signed_pixels_clamped(s->block[k], dst[k],
4850.                                                       k & 4 ? s->uvlinesize
