libavcodec/svq3.c:497: error: Buffer Overrun L1
  Offset added: 16 Size: 4.

libavcodec/svq3.c:435:1: <Length trace>
433. }
434. 
435. static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
     ^
436. {
437.     H264Context *h = &svq3->h;

libavcodec/svq3.c:435:1: Parameter `svq3->h.mv_cache[*][*][*]`
433. }
434. 
435. static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
     ^
436. {
437.     H264Context *h = &svq3->h;

libavcodec/svq3.c:497:17: Array access: Offset added: 16 Size: 4
495.             }
496.             if (s->mb_y > 0) {
497.                 memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
                     ^
498.                 memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
499. 
