libavcodec/vc1dec.c:4851: error: Buffer Overrun L1
  Offset: [6, `v->two_sprites` + 6] (⇐ [0, `v->two_sprites`] + 6) Size: 2 by call to `vc1_sprite_parse_transform`.

libavcodec/vc1dec.c:4845:1: Parameter `sd->coefs[*]`
4843. }
4844. 
4845. static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
      ^
4846. {
4847.     AVCodecContext *avctx = v->s.avctx;

libavcodec/vc1dec.c:4851:9: Call
4849. 
4850.     for (sprite = 0; sprite <= v->two_sprites; sprite++) {
4851.         vc1_sprite_parse_transform(gb, sd->coefs[sprite]);
              ^
4852.         if (sd->coefs[sprite][1] || sd->coefs[sprite][3])
4853.             avpriv_request_sample(avctx, "Non-zero rotation coefficients");

libavcodec/vc1dec.c:4811:1: <Length trace>
4809. }
4810. 
4811. static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7])
      ^
4812. {
4813.     c[1] = c[3] = 0;

libavcodec/vc1dec.c:4811:1: Parameter `*c`
  4809. }
  4810. 
  4811. static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7])
        ^
  4812. {
  4813.     c[1] = c[3] = 0;

libavcodec/vc1dec.c:4840:9: Array access: Offset: [6, v->two_sprites + 6] (⇐ [0, v->two_sprites] + 6) Size: 2 by call to `vc1_sprite_parse_transform` 
  4838.     c[5] = get_fp_val(gb);
  4839.     if (get_bits1(gb))
  4840.         c[6] = get_fp_val(gb);
                ^
  4841.     else
  4842.         c[6] = 1 << 16;
