libavcodec/ffv1.c:1593: error: Buffer Overrun L2
  Offset: [1, 138] (⇐ [0, 11] + [1, 127]) Size: 8 by call to `read_quant_tables`.

libavcodec/ffv1.c:1553:1: Parameter `f->quant_tables[*]`
1551. }
1552. 
1553. static int read_extra_header(FFV1Context *f)
      ^
1554. {
1555.     RangeCoder *const c = &f->c;

libavcodec/ffv1.c:1593:31: Call
1591. 
1592.     for (i = 0; i < f->quant_table_count; i++) {
1593.         f->context_count[i] = read_quant_tables(c, f->quant_tables[i]);
                                    ^
1594.         if (f->context_count[i] < 0) {
1595.             av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");

libavcodec/ffv1.c:1538:1: Parameter `*quant_table`
  1536. }
  1537. 
  1538. static int read_quant_tables(RangeCoder *c,
        ^
  1539.                              int16_t quant_table[MAX_CONTEXT_INPUTS][256])
  1540. {

libavcodec/ffv1.c:1545:26: Call
  1543. 
  1544.     for (i = 0; i < 5; i++) {
  1545.         context_count *= read_quant_table(c, quant_table[i], context_count);
                                 ^
  1546.         if (context_count > 32768U) {
  1547.             return -1;

libavcodec/ffv1.c:1531:10: <Offset trace>
1529.     }
1530. 
1531.     for (i = 1; i < 128; i++)
               ^
1532.         quant_table[256 - i] = -quant_table[i];
1533.     quant_table[128] = -quant_table[127];

libavcodec/ffv1.c:1531:10: Assignment
    1529.     }
    1530. 
    1531.     for (i = 1; i < 128; i++)
                   ^
    1532.         quant_table[256 - i] = -quant_table[i];
    1533.     quant_table[128] = -quant_table[127];

libavcodec/ffv1.c:1511:1: <Length trace>
1509. }
1510. 
1511. static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale)
      ^
1512. {
1513.     int v;

libavcodec/ffv1.c:1511:1: Parameter `*quant_table`
    1509. }
    1510. 
    1511. static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale)
          ^
    1512. {
    1513.     int v;

libavcodec/ffv1.c:1532:33: Array access: Offset: [1, 138] (⇐ [0, 11] + [1, 127]) Size: 8 by call to `read_quant_tables` 
    1530. 
    1531.     for (i = 1; i < 128; i++)
    1532.         quant_table[256 - i] = -quant_table[i];
                                          ^
    1533.     quant_table[128] = -quant_table[127];
    1534. 
