src/http/modules/ngx_http_limit_zone_module.c:434: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_parse_size`.

src/http/modules/ngx_http_limit_zone_module.c:419:5: Assignment
417.     }
418. 
419.     value[2].len--;
         ^
420.     value[2].data++;
421. 

src/http/modules/ngx_http_limit_zone_module.c:427:18: Call
425.     }
426. 
427.     ctx->index = ngx_http_get_variable_index(cf, &value[2]);
                      ^
428.     if (ctx->index == NGX_ERROR) {
429.         return NGX_CONF_ERROR;

src/http/ngx_http_variables.c:322:1: Parameter `name->len`
  320. 
  321. 
  322. ngx_int_t
       ^
  323. ngx_http_get_variable_index(ngx_conf_t *cf, ngx_str_t *name)
  324. {

src/http/modules/ngx_http_limit_zone_module.c:434:9: Call
432.     ctx->var = value[2];
433. 
434.     n = ngx_parse_size(&value[3]);
             ^
435. 
436.     if (n == NGX_ERROR) {

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) {
