src/http/ngx_http_core_module.c:3340: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_parse_size`.

src/http/ngx_http_core_module.c:3337:13: Assignment
3335. 
3336.         if (ngx_strncmp(value[n].data, "rcvbuf=", 7) == 0) {
3337.             size.len = value[n].len - 7;
                  ^
3338.             size.data = value[n].data + 7;
3339. 

src/http/ngx_http_core_module.c:3340:28: Call
3338.             size.data = value[n].data + 7;
3339. 
3340.             lsopt.rcvbuf = ngx_parse_size(&size);
                                 ^
3341.             lsopt.set = 1;
3342.             lsopt.bind = 1;

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) {
