src/http/modules/ngx_http_index_module.c:216: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned64 by call to `ngx_open_cached_file`.

src/http/modules/ngx_http_index_module.c:143:13: Unknown value from: __infer_skip
141. 
142.         } else {
143.             ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
                 ^
144. 
145.             e.ip = index[i].lengths->elts;

src/http/modules/ngx_http_index_module.c:216:13: Call
214. #endif
215. 
216.         if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
                 ^
217.             != NGX_OK)
218.         {

src/core/ngx_open_file_cache.c:139:1: <LHS trace>
137. 
138. 
139. ngx_int_t
     ^
140. ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
141.     ngx_open_file_info_t *of, ngx_pool_t *pool)

src/core/ngx_open_file_cache.c:139:1: Parameter `cache->current`
  137. 
  138. 
  139. ngx_int_t
       ^
  140. ngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,
  141.     ngx_open_file_info_t *of, ngx_pool_t *pool)

src/core/ngx_open_file_cache.c:338:9: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ngx_open_cached_file` 
  336.         ngx_rbtree_delete(&cache->rbtree, &file->node);
  337. 
  338.         cache->current--;
               ^
  339. 
  340.         file->close = 1;
