This is a note to let you know that I've just added the patch titled
tipc: Fix kfree_skb() of uninitialised pointer
to the 4.3-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:
tipc-fix-kfree_skb-of-uninitialised-pointer.patch
and it can be found in the queue-4.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ben@xxxxxxxxxxxxxxx Thu Dec 17 14:16:22 2015
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Date: Tue, 15 Dec 2015 21:21:57 +0000
Subject: tipc: Fix kfree_skb() of uninitialised pointer
To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx, ying.xue@xxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>
Message-ID: <20151215212156.GQ28542@xxxxxxxxxxxxxxx>
Content-Disposition: inline
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Commit 7098356baca7 ("tipc: fix error handling of expanding buffer
headroom") added a "goto tx_error". This is fine upstream, but
when backported to 4.3 it results in attempting to free the clone
before it has been allocated. In this early error case, no
cleanup is needed.
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/tipc/udp_media.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -162,7 +162,7 @@ static int tipc_udp_send_msg(struct net
if (skb_headroom(skb) < UDP_MIN_HEADROOM) {
err = pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC);
if (err)
- goto tx_error;
+ return err;
}
clone = skb_clone(skb, GFP_ATOMIC);
Patches currently in stable-queue which might be from ben@xxxxxxxxxxxxxxx are
queue-4.3/tipc-fix-kfree_skb-of-uninitialised-pointer.patch
queue-4.3/revert-vrf-fix-double-free-and-memory-corruption-on-register_netdevice-failure.patch
queue-4.3/vrf-fix-double-free-and-memory-corruption-on-register_netdevice-failure.patch
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