libavcodec/vc1dec.c:2563: error: Buffer Overrun L2
  Offset: [0, 63] Size: 2.

libavcodec/vc1dec.c:2563:36: <Offset trace>
2561.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2562.             s->dsp.vc1_inv_trans_8x8(s->block[i]);
2563.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                         ^
2564.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
2565.         } else if(val) {

libavcodec/vc1dec.c:2563:36: Assignment
2561.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2562.             s->dsp.vc1_inv_trans_8x8(s->block[i]);
2563.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                         ^
2564.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
2565.         } else if(val) {

libavcodec/vc1dec.c:2560:13: <Length trace>
2558.                 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
2559. 
2560.             vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
                  ^
2561.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2562.             s->dsp.vc1_inv_trans_8x8(s->block[i]);

libavcodec/vc1dec.c:2560:13: Call
2558.                 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
2559. 
2560.             vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
                  ^
2561.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2562.             s->dsp.vc1_inv_trans_8x8(s->block[i]);

libavcodec/vc1dec.c:1785:1: Parameter `*block`
  1783.  * @param codingset set of VLC to decode data
  1784.  */
  1785. static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset)
        ^
  1786. {
  1787.     GetBitContext *gb = &v->s.gb;

libavcodec/vc1dec.c:2563:56: Array access: Offset: [0, 63] Size: 2
2561.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2562.             s->dsp.vc1_inv_trans_8x8(s->block[i]);
2563.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                                             ^
2564.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
2565.         } else if(val) {
