libavcodec/vc1dec.c:2573: error: Buffer Overrun L2
  Offset: [0, 63] Size: 2.

libavcodec/vc1dec.c:2573:36: <Offset trace>
2571.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2572.             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
2573.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                         ^
2574.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
2575.         } else if(val) {

libavcodec/vc1dec.c:2573:36: Assignment
2571.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2572.             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
2573.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                         ^
2574.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
2575.         } else if(val) {

libavcodec/vc1dec.c:2570:13: <Length trace>
2568.                 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
2569. 
2570.             vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
                  ^
2571.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2572.             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);

libavcodec/vc1dec.c:2570:13: Call
2568.                 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
2569. 
2570.             vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
                  ^
2571.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2572.             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);

libavcodec/vc1dec.c:1796:1: Parameter `*block`
  1794.  * @param codingset set of VLC to decode data
  1795.  */
  1796. static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset)
        ^
  1797. {
  1798.     GetBitContext *gb = &v->s.gb;

libavcodec/vc1dec.c:2573:56: Array access: Offset: [0, 63] Size: 2
2571.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
2572.             v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
2573.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                                             ^
2574.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
2575.         } else if(val) {
