diff -r 7917f95f74c4 -r 998df1368cca src/java.base/unix/native/libnio/ch/Net.c
--- a/src/java.base/unix/native/libnio/ch/Net.c	Thu Nov 14 09:06:10 2019 +0000
+++ b/src/java.base/unix/native/libnio/ch/Net.c	Thu Nov 14 10:16:28 2019 +0000
@@ -110,6 +110,9 @@
     int sa_len = 0;
     int rv = 0;
 
+    if (uaddr == NULL) 
+	return; /* Rely on implicit bind */
+
     if (NET_UnixSocketAddressToSockaddr(env, uaddr, &sa, &sa_len) != 0)
         return;