libavcodec/wmv2.c:62: error: Buffer Overrun L2
  Offset: [5, 29] (⇐ [0, 24] + 5) Size: 6 by call to `wmv2_add_block`.

libavcodec/wmv2.c:62:5: Call
60.     Wmv2Context * const w= (Wmv2Context*)s;
61. 
62.     wmv2_add_block(w, block1[0], dest_y                    , s->linesize, 0);
        ^
63.     wmv2_add_block(w, block1[1], dest_y + 8                , s->linesize, 1);
64.     wmv2_add_block(w, block1[2], dest_y +     8*s->linesize, s->linesize, 2);

libavcodec/wmv2.c:35:1: Parameter `n`
  33. }
  34. 
  35. static void wmv2_add_block(Wmv2Context *w, DCTELEM *block1, uint8_t *dst, int stride, int n){
      ^
  36.     MpegEncContext * const s= &w->s;
  37. 

libavcodec/wmv2.c:45:9: Call
  43.     case 1:
  44.         ff_simple_idct84_add(dst           , stride, block1);
  45.         ff_simple_idct84_add(dst + 4*stride, stride, w->abt_block2[n]);
              ^
  46.         s->dsp.clear_block(w->abt_block2[n]);
  47.         break;

libavcodec/simple_idct.c:180:1: Parameter `*block`
    178. }
    179. 
    180. void ff_simple_idct84_add(uint8_t *dest, int line_size, DCTELEM *block)
         ^
    181. {
    182.     int i;

libavcodec/simple_idct.c:186:9: Call
    184.     /* IDCT8 on each line */
    185.     for(i=0; i<4; i++) {
    186.         idctRowCondDC_8(block + i*8);
                 ^
    187.     }
    188. 

libavcodec/simple_idct_template.c:88:1: <Length trace>
86. #endif
87. 
88. static inline void FUNC(idctRowCondDC)(DCTELEM *row)
    ^
89. {
90.     int a0, a1, a2, a3, b0, b1, b2, b3;

libavcodec/simple_idct_template.c:88:1: Parameter `*row`
      86. #endif
      87. 
      88. static inline void FUNC(idctRowCondDC)(DCTELEM *row)
          ^
      89. {
      90.     int a0, a1, a2, a3, b0, b1, b2, b3;

libavcodec/simple_idct_template.c:140:9: Array access: Offset: [5, 29] (⇐ [0, 24] + 5) Size: 6 by call to `wmv2_add_block` 
      138.         a3 +=   W4*row[4] - W6*row[6];
      139. 
      140.         MAC(b0,  W5, row[5]);
                   ^
      141.         MAC(b0,  W7, row[7]);
      142. 
