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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Edward Cree <ecree@solarflare.com>,
        Pablo Neira Ayuso <pablo@netfilter.org>
Subject: [PATCH 5.5 136/170] netfilter: flowtable: populate addr_type mask
Date:   Tue, 31 Mar 2020 10:59:10 +0200
Message-Id: <20200331085437.985463513@linuxfoundation.org>
In-Reply-To: <20200331085423.990189598@linuxfoundation.org>
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From: Edward Cree <ecree@solarflare.com>

commit 15ff197237e76c4dab06b7b518afaa4ebb1c43e0 upstream.

nf_flow_rule_match() sets control.addr_type in key, so needs to also set
 the corresponding mask.  An exact match is wanted, so mask is all ones.

Fixes: c29f74e0df7a ("netfilter: nf_flow_table: hardware offload support")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/netfilter/nf_flow_table_offload.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -87,6 +87,7 @@ static int nf_flow_rule_match(struct nf_
 	default:
 		return -EOPNOTSUPP;
 	}
+	mask->control.addr_type = 0xffff;
 	match->dissector.used_keys |= BIT(key->control.addr_type);
 	mask->basic.n_proto = 0xffff;