Patch "ipv6: fix possible mem leaks in ipv6_make_skb()" has been added to the 4.9-stable tree

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

ipv6: fix possible mem leaks in ipv6_make_skb()

to the 4.9-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:
ipv6-fix-possible-mem-leaks-in-ipv6_make_skb.patch
and it can be found in the queue-4.9 subdirectory.

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

From: Eric Dumazet <[email protected]>
Date: Wed, 10 Jan 2018 03:45:49 -0800
Subject: ipv6: fix possible mem leaks in ipv6_make_skb()

From: Eric Dumazet <[email protected]>

[ Upstream commit 862c03ee1deb7e19e0f9931682e0294ecd1fcaf9 ]

ip6_setup_cork() might return an error, while memory allocations have been done and must be rolled back.

---
 net/ipv6/ip6_output.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

@@ -1800,9 +1800,10 @@ struct sk_buff *ip6_make_skb(struct sock
 	cork.base.opt = NULL;
 	v6_cork.opt = NULL;
 	err = ip6_setup_cork(sk, &cork, &v6_cork, ipc6, rt, fl6);
-	if (err)
+	if (err) {
+		ip6_cork_release(&cork, &v6_cork);
 		return ERR_PTR(err);
-
+	}
 	if (ipc6->dontfrag < 0)
 		ipc6->dontfrag = inet6_sk(sk)->dontfrag;
 

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

queue-4.9/lan78xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch queue-4.9/cx82310_eth-use-skb_cow_head-to-deal-with-cloned-skbs.patch queue-4.9/sr9700-use-skb_cow_head-to-deal-with-cloned-skbs.patch queue-4.9/smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch queue-4.9/ipv6-fix-possible-mem-leaks-in-ipv6_make_skb.patch