diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index 392fc3587..9a747589c 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -165,6 +165,10 @@ ngx_set_inherited_sockets(ngx_cycle_t *cycle)
             continue;
         }
 
+        if (ls[i].socklen > (socklen_t) sizeof(ngx_sockaddr_t)) {
+            ls[i].socklen = sizeof(ngx_sockaddr_t);
+        }
+
         switch (ls[i].sockaddr->sa_family) {
 
 #if (NGX_HAVE_INET6)
diff --git a/src/event/ngx_event_accept.c b/src/event/ngx_event_accept.c
index 87447d089..775637090 100644
--- a/src/event/ngx_event_accept.c
+++ b/src/event/ngx_event_accept.c
@@ -164,6 +164,10 @@ ngx_event_accept(ngx_event_t *ev)
             return;
         }
 
+        if (socklen > (socklen_t) sizeof(ngx_sockaddr_t)) {
+            socklen = sizeof(ngx_sockaddr_t);
+        }
+
         c->sockaddr = ngx_palloc(c->pool, socklen);
         if (c->sockaddr == NULL) {
             ngx_close_accepted_connection(c);
@@ -440,6 +444,10 @@ ngx_event_recvmsg(ngx_event_t *ev)
         c->type = SOCK_DGRAM;
         c->socklen = msg.msg_namelen;
 
+        if (c->socklen > (socklen_t) sizeof(ngx_sockaddr_t)) {
+            c->socklen = sizeof(ngx_sockaddr_t);
+        }
+
 #if (NGX_STAT_STUB)
         (void) ngx_atomic_fetch_add(ngx_stat_active, 1);
 #endif