src/event/ngx_event_udp.c:491: error: Integer Overflow L2
  ([0, +oo] - 2):unsigned64 by call to `ngx_cmp_sockaddr`.

src/event/ngx_event_udp.c:487:18: Call
485.             ct = udpt->connection;
486. 
487.             rc = ngx_cmp_sockaddr(c->sockaddr, c->socklen,
                      ^
488.                                   ct->sockaddr, ct->socklen, 1);
489. 

src/core/ngx_inet.c:1362:1: Parameter `sa2->sin_addr.s_addr`
  1360. 
  1361. 
  1362. ngx_int_t
        ^
  1363. ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1,
  1364.     struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port)

src/event/ngx_event_udp.c:487:18: Call
485.             ct = udpt->connection;
486. 
487.             rc = ngx_cmp_sockaddr(c->sockaddr, c->socklen,
                      ^
488.                                   ct->sockaddr, ct->socklen, 1);
489. 

src/core/ngx_inet.c:1362:1: Parameter `sa2->sin_addr.s_addr`
  1360. 
  1361. 
  1362. ngx_int_t
        ^
  1363. ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1,
  1364.     struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port)

src/event/ngx_event_udp.c:491:22: Call
489. 
490.             if (rc == 0 && c->listening->wildcard) {
491.                 rc = ngx_cmp_sockaddr(c->local_sockaddr, c->local_socklen,
                          ^
492.                                       ct->local_sockaddr, ct->local_socklen, 1);
493.             }

src/core/ngx_inet.c:1362:1: <LHS trace>
1360. 
1361. 
1362. ngx_int_t
      ^
1363. ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1,
1364.     struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port)

src/core/ngx_inet.c:1362:1: Parameter `slen2`
  1360. 
  1361. 
  1362. ngx_int_t
        ^
  1363. ngx_cmp_sockaddr(struct sockaddr *sa1, socklen_t slen1,
  1364.     struct sockaddr *sa2, socklen_t slen2, ngx_uint_t cmp_port)

src/core/ngx_inet.c:1405:13: Binary operation: ([0, +oo] - 2):unsigned64 by call to `ngx_cmp_sockaddr` 
  1403. 
  1404.         if (slen1 < slen2) {
  1405.             len = slen1 - offsetof(struct sockaddr_un, sun_path);
                    ^
  1406. 
  1407.         } else {
