libavcodec/vc1.c:3373: error: Buffer Overrun L2
  Offset: [0, 63] Size: 2.

libavcodec/vc1.c:3373:36: <Offset trace>
3371.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
3372.             s->dsp.vc1_inv_trans_8x8(s->block[i]);
3373.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                         ^
3374.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
3375.         } else if(val) {

libavcodec/vc1.c:3373:36: Assignment
3371.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
3372.             s->dsp.vc1_inv_trans_8x8(s->block[i]);
3373.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                         ^
3374.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
3375.         } else if(val) {

libavcodec/vc1.c:3370:13: <Length trace>
3368.                 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
3369. 
3370.             vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
                  ^
3371.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
3372.             s->dsp.vc1_inv_trans_8x8(s->block[i]);

libavcodec/vc1.c:3370:13: Call
3368.                 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
3369. 
3370.             vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
                  ^
3371.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
3372.             s->dsp.vc1_inv_trans_8x8(s->block[i]);

libavcodec/vc1.c:2693:1: Parameter `*block`
  2691.  * @param codingset set of VLC to decode data
  2692.  */
  2693. static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset)
        ^
  2694. {
  2695.     GetBitContext *gb = &v->s.gb;

libavcodec/vc1.c:3373:56: Array access: Offset: [0, 63] Size: 2
3371.             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
3372.             s->dsp.vc1_inv_trans_8x8(s->block[i]);
3373.             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
                                                             ^
3374.             s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
3375.         } else if(val) {
