src/core/ngx_file.c:372: error: Integer Overflow L2
  ([1, 9223372036854775809] + 1):signed64.

src/core/ngx_file.c:366:17: <LHS trace>
364. 
365.     for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
366.         level = ngx_atoi(value[n].data, value[n].len);
                     ^
367.         if (level == NGX_ERROR || level == 0) {
368.             return "invalid value";

src/core/ngx_file.c:366:17: Call
364. 
365.     for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
366.         level = ngx_atoi(value[n].data, value[n].len);
                     ^
367.         if (level == NGX_ERROR || level == 0) {
368.             return "invalid value";

src/core/ngx_string.c:907:9: Assignment
  905. 
  906.     if (n == 0) {
  907.         return NGX_ERROR;
               ^
  908.     }
  909. 

src/core/ngx_file.c:366:9: Assignment
364. 
365.     for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
366.         level = ngx_atoi(value[n].data, value[n].len);
             ^
367.         if (level == NGX_ERROR || level == 0) {
368.             return "invalid value";

src/core/ngx_file.c:372:9: Binary operation: ([1, 9223372036854775809] + 1):signed64
370. 
371.         path->level[i] = level;
372.         path->len += level + 1;
             ^
373.     }
374. 
