src/core/ngx_conf_file.c:1189: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_parse_size`.

src/core/ngx_conf_file.c:1189:11: Call
1187.     value = cf->args->elts;
1188. 
1189.     *sp = ngx_parse_size(&value[1]);
                ^
1190.     if (*sp == (size_t) NGX_ERROR) {
1191.         return "invalid value";

src/core/ngx_parse.c:11:1: <LHS trace>
 9. 
10. 
11. ssize_t
    ^
12. ngx_parse_size(ngx_str_t *line)
13. {

src/core/ngx_parse.c:11:1: Parameter `line->len`
   9. 
  10. 
  11. ssize_t
      ^
  12. ngx_parse_size(ngx_str_t *line)
  13. {

src/core/ngx_parse.c:19:5: Assignment
  17.     ngx_int_t  scale;
  18. 
  19.     len = line->len;
          ^
  20.     unit = line->data[len - 1];
  21. 

src/core/ngx_parse.c:20:12: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_parse_size` 
  18. 
  19.     len = line->len;
  20.     unit = line->data[len - 1];
                 ^
  21. 
  22.     switch (unit) {
