---
 net/ipv4/inet_connection_sock.c |    4 ++++
 net/ipv4/inet_hashtables.c      |    5 +++++
 net/sunrpc/xprt.c               |    5 +++++
 net/sunrpc/xprtsock.c           |    5 +++++
 5 files changed, 22 insertions(+)

Index: linux-build.git/net/ipv4/inet_connection_sock.c
===================================================================
--- linux-build.git.orig/net/ipv4/inet_connection_sock.c	2016-06-22 11:55:05.952267493 -0400
+++ linux-build.git/net/ipv4/inet_connection_sock.c	2016-06-22 11:56:20.002662092 -0400
@@ -232,6 +232,10 @@ tb_found:
 		}
 	}
 success:
+	if (!current->mm) {
+		trace_printk("snum %d\n", snum);
+		trace_dump_stack(1);
+	}
 	if (!inet_csk(sk)->icsk_bind_hash)
 		inet_bind_hash(sk, tb, port);
 	WARN_ON(inet_csk(sk)->icsk_bind_hash != tb);
Index: linux-build.git/net/ipv4/inet_hashtables.c
===================================================================
--- linux-build.git.orig/net/ipv4/inet_hashtables.c	2016-06-22 11:55:05.952267493 -0400
+++ linux-build.git/net/ipv4/inet_hashtables.c	2016-06-22 11:55:05.948267360 -0400
@@ -93,6 +93,11 @@ void inet_bind_bucket_destroy(struct kme
 void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb,
 		    const unsigned short snum)
 {
+	if (!current->mm) {
+		trace_printk("add %d\n", snum);
+		trace_dump_stack(1);
+	}
+
 	inet_sk(sk)->inet_num = snum;
 	sk_add_bind_node(sk, &tb->owners);
 	tb->num_owners++;
Index: linux-build.git/net/sunrpc/xprt.c
===================================================================
--- linux-build.git.orig/net/sunrpc/xprt.c	2016-06-22 11:55:05.952267493 -0400
+++ linux-build.git/net/sunrpc/xprt.c	2016-06-22 11:55:05.948267360 -0400
@@ -54,6 +54,11 @@
 
 #include "sunrpc.h"
 
+#undef dprintk
+#undef dprintk_rcu
+#define dprintk(args...)	trace_printk(args)
+#define dprintk_rcu(args...)	trace_printk(args)
+
 /*
  * Local variables
  */
Index: linux-build.git/net/sunrpc/xprtsock.c
===================================================================
--- linux-build.git.orig/net/sunrpc/xprtsock.c	2016-06-22 11:55:05.952267493 -0400
+++ linux-build.git/net/sunrpc/xprtsock.c	2016-06-22 11:55:05.948267360 -0400
@@ -51,6 +51,11 @@
 
 #include "sunrpc.h"
 
+#undef dprintk
+#undef dprintk_rcu
+#define dprintk(args...)	trace_printk(args)
+#define dprintk_rcu(args...)	trace_printk(args)
+
 static void xs_close(struct rpc_xprt *xprt);
 
 /*