[PATCH net-next 17/17] audit: add netns refcount tracker to struct audit_netlink_list

@@ -901,7 +901,7 @@ int audit_send_list_thread(void *_dest)
 	while ((skb = __skb_dequeue(&dest->q)) != NULL)
 		netlink_unicast(sk, skb, dest->portid, 0);
 
-	put_net(dest->net);
+	put_net_track(dest->net, &dest->ns_tracker);
 	kfree(dest);
 
 	return 0;

@@ -15,6 +15,7 @@
 #include <uapi/linux/mqueue.h>
 #include <linux/tty.h>
 #include <uapi/linux/openat2.h> // struct open_how
+#include <net/net_trackers.h>
 
 /* AUDIT_NAMES is the number of slots we reserve in the audit_context
  * for saving names from getname().  If we get more names we will allocate

@@ -236,6 +237,7 @@ extern void		    audit_panic(const char *message);
 struct audit_netlink_list {
 	__u32 portid;
 	struct net *net;
+	netns_tracker ns_tracker;
 	struct sk_buff_head q;
 };
 

@@ -1182,7 +1182,8 @@ int audit_list_rules_send(struct sk_buff *request_skb, int seq)
 	dest = kmalloc(sizeof(*dest), GFP_KERNEL);
 	if (!dest)
 		return -ENOMEM;
-	dest->net = get_net(sock_net(NETLINK_CB(request_skb).sk));
+	dest->net = get_net_track(sock_net(NETLINK_CB(request_skb).sk),
+				  &dest->ns_tracker, GFP_KERNEL);
 	dest->portid = NETLINK_CB(request_skb).portid;
 	skb_queue_head_init(&dest->q);