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 <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sat Jan 13 10:51:19 CET 2018
From: Eric Dumazet <edumazet@xxxxxxxxxx>
Date: Wed, 10 Jan 2018 03:45:49 -0800
Subject: ipv6: fix possible mem leaks in ipv6_make_skb()
From: Eric Dumazet <edumazet@xxxxxxxxxx>
[ Upstream commit 862c03ee1deb7e19e0f9931682e0294ecd1fcaf9 ]
ip6_setup_cork() might return an error, while memory allocations have
been done and must be rolled back.
Fixes: 6422398c2ab0 ("ipv6: introduce ipv6_make_skb")
Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Cc: Vlad Yasevich <vyasevich@xxxxxxxxx>
Reported-by: Mike Maloney <maloney@xxxxxxxxxx>
Acked-by: Mike Maloney <maloney@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/ip6_output.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -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 edumazet@xxxxxxxxxx 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