3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Aydin Arik <aydin.a...@alliedtelesis.co.nz>
[ Upstream commit c0353c7b5da4cbd2ab8227e84bbc9c79890f24ce ]
MD5 key lookups on a given TCP socket were being performed
incorrectly. This fix alters parameter inputs to the MD5
lookup function tcp_md5_do_lookup, which is called by functions
tcp_md5_do_add and tcp_md5_do_del. Specifically, the change now
inputs the correct address and address family required to make
a proper lookup.
Signed-off-by: Aydin Arik <aydin.a...@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
net/ipv4/tcp_ipv4.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -974,7 +974,7 @@ int tcp_md5_do_add(struct sock *sk, cons
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_md5sig_info *md5sig;
- key = tcp_md5_do_lookup(sk, (union tcp_md5_addr *)&addr, AF_INET);
+ key = tcp_md5_do_lookup(sk, addr, family);
if (key) {
/* Pre-existing entry - just update that one. */
memcpy(key->key, newkey, newkeylen);
@@ -1019,7 +1019,7 @@ int tcp_md5_do_del(struct sock *sk, cons
struct tcp_md5sig_key *key;
struct tcp_md5sig_info *md5sig;
- key = tcp_md5_do_lookup(sk, (union tcp_md5_addr *)&addr, AF_INET);
+ key = tcp_md5_do_lookup(sk, addr, family);
if (!key)
return -ENOENT;
hlist_del_rcu(&key->node);
--
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