Commit ebb1b38b authored Jul 19, 2021 by Vasily Averin Committed by Greg Kroah-Hartman Jul 31, 2021

ipv6: ip6_finish_output2: set sk into newly allocated nskb



[ Upstream commit 2d85a1b31dde84038ea07ad825c3d8d3e71f4344 ]

skb_set_owner_w() should set sk not to old skb but to new nskb.

Fixes: 5796015fa968 ("ipv6: allocate enough headroom in ip6_finish_output2()")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Link: https://lore.kernel.org/r/70c0744f-89ae-1869-7e3e-4fa292158f4b@virtuozzo.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 6c041239

net/ipv6/ip6_output.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -73,7 +73,7 @@ static int ip6_finish_output2(struct net net, struct sock sk, struct sk_buff *

		if (likely(nskb)) {
		if (skb->sk)
		skb_set_owner_w(skb, skb->sk);
		skb_set_owner_w(nskb, skb->sk);
		consume_skb(skb);
		} else {
		kfree_skb(skb);