netdev - [PATCH net-next 3/3] net: bridge: mcast: account for ipv6 size when dumping querier state

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210816101134.577413-4-razor@blackwall.org>
Date:   Mon, 16 Aug 2021 13:11:34 +0300
From:   Nikolay Aleksandrov <razor@...ckwall.org>
To:     netdev@...r.kernel.org
Cc:     roopa@...dia.com, bridge@...ts.linux-foundation.org,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: [PATCH net-next 3/3] net: bridge: mcast: account for ipv6 size when dumping querier state

From: Nikolay Aleksandrov <nikolay@...dia.com>

We need to account for the IPv6 attributes when dumping querier state.

Fixes: 5e924fe6ccfd ("net: bridge: mcast: dump ipv6 querier state")
Signed-off-by: Nikolay Aleksandrov <nikolay@...dia.com>
---
 net/bridge/br_multicast.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 76992ddac7e0..e411dd814c58 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -2931,7 +2931,13 @@ size_t br_multicast_querier_state_size(void)
 	return nla_total_size(0) +		/* nest attribute */
 	       nla_total_size(sizeof(__be32)) + /* BRIDGE_QUERIER_IP_ADDRESS */
 	       nla_total_size(sizeof(int)) +    /* BRIDGE_QUERIER_IP_PORT */
-	       nla_total_size_64bit(sizeof(u64)); /* BRIDGE_QUERIER_IP_OTHER_TIMER */
+	       nla_total_size_64bit(sizeof(u64)) + /* BRIDGE_QUERIER_IP_OTHER_TIMER */
+#if IS_ENABLED(CONFIG_IPV6)
+	       nla_total_size(sizeof(struct in6_addr)) + /* BRIDGE_QUERIER_IPV6_ADDRESS */
+	       nla_total_size(sizeof(int)) +		 /* BRIDGE_QUERIER_IPV6_PORT */
+	       nla_total_size_64bit(sizeof(u64)) +	 /* BRIDGE_QUERIER_IPV6_OTHER_TIMER */
+#endif
+	       0;
 }
 
 /* protected by rtnl or rcu */
-- 
2.31.1