From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 16 Mar 2009 14:50:51 +0000 (+0100)
Subject: netfilter: ctnetlink: fix crash during expectation creation
X-Git-Tag: firefly_0821_release~15263^2~23^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=626ba8fbac9156a94a80be46ffd2f2ce9e4e89a0;p=firefly-linux-kernel-4.4.55.git

netfilter: ctnetlink: fix crash during expectation creation

This patch fixes a possible crash due to the missing initialization
of the expectation class when nf_ct_expect_related() is called.

Reported-by: BORBELY Zoltan <bozo@andrews.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
---

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index cb78aa00399e..ed6d873ad384 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1780,6 +1780,7 @@ ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3, u32 pid, int report)
 		goto out;
 	}
 
+	exp->class = 0;
 	exp->expectfn = NULL;
 	exp->flags = 0;
 	exp->master = ct;