linux-kernel - [PATCH 4.1 089/202] netfilter: ctnetlink: put back references to master ct and expect objects

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Message-Id: <20151018014905.997216260@linuxfoundation.org>
Date:	Sat, 17 Oct 2015 18:57:52 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Tim Wiess <Tim.Wiess@...chguard.com>,
	Pablo Neira Ayuso <pablo@...filter.org>
Subject: [PATCH 4.1 089/202] netfilter: ctnetlink: put back references to master ct and expect objects

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Pablo Neira Ayuso <pablo@...filter.org>

commit 95dd8653de658143770cb0e55a58d2aab97c79d2 upstream.

We have to put back the references to the master conntrack and the expectation
that we just created, otherwise we'll leak them.

Fixes: 0ef71ee1a5b9 ("netfilter: ctnetlink: refactor ctnetlink_create_expect")
Reported-by: Tim Wiess <Tim.Wiess@...chguard.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 net/netfilter/nf_conntrack_netlink.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -2995,11 +2995,6 @@ ctnetlink_create_expect(struct net *net,
 	}
 
 	err = nf_ct_expect_related_report(exp, portid, report);
-	if (err < 0)
-		goto err_exp;
-
-	return 0;
-err_exp:
 	nf_ct_expect_put(exp);
 err_ct:
 	nf_ct_put(ct);


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