libavcodec/h264.c:600: error: Buffer Overrun L2
  Offset: [0, 57] (⇐ [0, 6] + [0, 51]) Size: 6.

libavcodec/h264.c:596:13: <Offset trace>
594.             continue;
595. 
596.         for(q=0; q<52; q++){
                 ^
597.             int shift = div6[q] + 2;
598.             int idx = rem6[q];

libavcodec/h264.c:596:13: Assignment
594.             continue;
595. 
596.         for(q=0; q<52; q++){
                 ^
597.             int shift = div6[q] + 2;
598.             int idx = rem6[q];

libavcodec/h264.c:583:1: <Length trace>
581. }
582. 
583. static void init_dequant4_coeff_table(H264Context *h){
     ^
584.     int i,j,q,x;
585.     for(i=0; i<6; i++ ){

libavcodec/h264.c:583:1: Parameter `*h->dequant4_coeff[*]`
581. }
582. 
583. static void init_dequant4_coeff_table(H264Context *h){
     ^
584.     int i,j,q,x;
585.     for(i=0; i<6; i++ ){

libavcodec/h264.c:600:17: Array access: Offset: [0, 57] (⇐ [0, 6] + [0, 51]) Size: 6
598.             int idx = rem6[q];
599.             for(x=0; x<16; x++)
600.                 h->dequant4_coeff[i][q][(x>>2)|((x<<2)&0xF)] =
                     ^
601.                     ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
602.                     h->pps.scaling_matrix4[i][x]) << shift;
