Patch "netlink: avoid a double skb free in genlmsg_mcast()" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

netlink: avoid a double skb free in genlmsg_mcast()

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
netlink-avoid-a-double-skb-free-in-genlmsg_mcast.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Nicolas Dichtel <[email protected]>
Date: Wed, 14 Mar 2018 21:10:23 +0100
Subject: netlink: avoid a double skb free in genlmsg_mcast()

From: Nicolas Dichtel <[email protected]>

[ Upstream commit 02a2385f37a7c6594c9d89b64c4a1451276f08eb ]

nlmsg_multicast() consumes always the skb, thus the original skb must be freed only when this function is called with a clone.

---
 net/netlink/genetlink.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -1143,7 +1143,7 @@ static int genlmsg_mcast(struct sk_buff
 	if (!err)
 		delivered = true;
 	else if (err != -ESRCH)
-		goto error;
+		return err;
 	return delivered ? 0 : -ESRCH;
  error:
 	kfree_skb(skb);

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/netlink-avoid-a-double-skb-free-in-genlmsg_mcast.patch