src/core/ngx_syslog.c:112: error: Integer Overflow L2
  ([0, +oo] - 5):unsigned64 by call to `ngx_parse_url`.

src/core/ngx_syslog.c:85:5: Assignment
83.     value = cf->args->elts;
84. 
85.     p = value[1].data + sizeof("syslog:") - 1;
        ^
86. 
87.     for ( ;; ) {

src/core/ngx_syslog.c:91:13: Assignment
89. 
90.         if (comma != NULL) {
91.             len = comma - p;
                ^
92.             *comma = '\0';
93. 

src/core/ngx_syslog.c:109:13: Assignment
107. 
108.             u.url.data = p + 7;
109.             u.url.len = len - 7;
                 ^
110.             u.default_port = 514;
111. 

src/core/ngx_syslog.c:112:17: Call
110.             u.default_port = 514;
111. 
112.             if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
                     ^
113.                 if (u.err) {
114.                     ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,

src/core/ngx_inet.c:528:1: Parameter `u->url.len`
  526. 
  527. 
  528. ngx_int_t
       ^
  529. ngx_parse_url(ngx_pool_t *pool, ngx_url_t *u)
  530. {

src/core/ngx_inet.c:538:16: Call
  536. 
  537.     if (len >= 5 && ngx_strncasecmp(p, (u_char *) "unix:", 5) == 0) {
  538.         return ngx_parse_unix_domain_url(pool, u);
                      ^
  539.     }
  540. 

src/core/ngx_inet.c:549:1: <LHS trace>
547. 
548. 
549. static ngx_int_t
     ^
550. ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
551. {

src/core/ngx_inet.c:549:1: Parameter `u->url.len`
    547. 
    548. 
    549. static ngx_int_t
         ^
    550. ngx_parse_unix_domain_url(ngx_pool_t *pool, ngx_url_t *u)
    551. {

src/core/ngx_inet.c:557:5: Assignment
    555.     struct sockaddr_un  *saun;
    556. 
    557.     len = u->url.len;
             ^
    558.     path = u->url.data;
    559. 

src/core/ngx_inet.c:561:5: Binary operation: ([0, +oo] - 5):unsigned64 by call to `ngx_parse_url` 
    559. 
    560.     path += 5;
    561.     len -= 5;
             ^
    562. 
    563.     if (u->uri_part) {
