libavcodec/wmv2.c:80: error: Buffer Overrun L2
  Offset: [5, 29] (⇐ [0, 24] + 5) Size: 6 by call to `wmv2_add_block`.

libavcodec/wmv2.c:80:5: Call
78.     Wmv2Context * const w= (Wmv2Context*)s;
79. 
80.     wmv2_add_block(w, block1[0], dest_y                    , s->linesize, 0);
        ^
81.     wmv2_add_block(w, block1[1], dest_y + 8                , s->linesize, 1);
82.     wmv2_add_block(w, block1[2], dest_y +     8*s->linesize, s->linesize, 2);

libavcodec/wmv2.c:53:1: Parameter `n`
  51. }
  52. 
  53. static void wmv2_add_block(Wmv2Context *w, int16_t *block1, uint8_t *dst, int stride, int n){
      ^
  54.     MpegEncContext * const s= &w->s;
  55. 

libavcodec/wmv2.c:63:9: Call
  61.     case 1:
  62.         ff_simple_idct84_add(dst           , stride, block1);
  63.         ff_simple_idct84_add(dst + 4*stride, stride, w->abt_block2[n]);
              ^
  64.         s->bdsp.clear_block(w->abt_block2[n]);
  65.         break;

libavcodec/simple_idct.c:176:1: Parameter `*block`
    174. }
    175. 
    176. void ff_simple_idct84_add(uint8_t *dest, int line_size, int16_t *block)
         ^
    177. {
    178.     int i;

libavcodec/simple_idct.c:182:9: Call
    180.     /* IDCT8 on each line */
    181.     for(i=0; i<4; i++) {
    182.         idctRowCondDC_8(block + i*8, 0);
                 ^
    183.     }
    184. 

libavcodec/simple_idct_template.c:90:1: <Length trace>
88. #endif
89. 
90. static inline void FUNC(idctRowCondDC)(int16_t *row, int extra_shift)
    ^
91. {
92.     int a0, a1, a2, a3, b0, b1, b2, b3;

libavcodec/simple_idct_template.c:90:1: Parameter `*row`
      88. #endif
      89. 
      90. static inline void FUNC(idctRowCondDC)(int16_t *row, int extra_shift)
          ^
      91. {
      92.     int a0, a1, a2, a3, b0, b1, b2, b3;

libavcodec/simple_idct_template.c:152:9: Array access: Offset: [5, 29] (⇐ [0, 24] + 5) Size: 6 by call to `wmv2_add_block` 
      150.         a3 +=   W4*row[4] - W6*row[6];
      151. 
      152.         MAC(b0,  W5, row[5]);
                   ^
      153.         MAC(b0,  W7, row[7]);
      154. 
