src/http/modules/ngx_http_log_module.c:1340: error: Integer Overflow L2
  ([0, +oo] - 3):unsigned64.

src/http/modules/ngx_http_log_module.c:1207:9: <LHS trace>
1205.     }
1206. 
1207.     n = ngx_http_script_variables_count(&value[1]);
              ^
1208. 
1209.     if (n == 0) {

src/http/modules/ngx_http_log_module.c:1207:9: Call
1205.     }
1206. 
1207.     n = ngx_http_script_variables_count(&value[1]);
              ^
1208. 
1209.     if (n == 0) {

src/http/ngx_http_script.c:317:1: Parameter `value->len`
  315. 
  316. 
  317. ngx_uint_t
       ^
  318. ngx_http_script_variables_count(ngx_str_t *value)
  319. {

src/http/modules/ngx_http_log_module.c:1210:21: Call
1208. 
1209.     if (n == 0) {
1210.         log->file = ngx_conf_open_file(cf->cycle, &value[1]);
                          ^
1211.         if (log->file == NULL) {
1212.             return NGX_CONF_ERROR;

src/core/ngx_conf_file.c:814:1: Parameter `name->len`
  812. 
  813. 
  814. ngx_open_file_t *
       ^
  815. ngx_conf_open_file(ngx_cycle_t *cycle, ngx_str_t *name)
  816. {

src/http/modules/ngx_http_log_module.c:1340:13: Binary operation: ([0, +oo] - 3):unsigned64
1338. 
1339.         if (ngx_strncmp(value[i].data, "if=", 3) == 0) {
1340.             s.len = value[i].len - 3;
                  ^
1341.             s.data = value[i].data + 3;
1342. 
