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-rw-r--r--net/ipv4/tcp_ipv4.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index c2bfff528578..93f220793add 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -707,6 +707,8 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
key = tcp_md5_do_lookup(sk, addr, AF_INET);
} else if (hash_location) {
const union tcp_md5_addr *addr;
+ int sdif = tcp_v4_sdif(skb);
+ int dif = inet_iif(skb);
/*
* active side is lost. Try to find listening socket through
@@ -718,8 +720,7 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
sk1 = __inet_lookup_listener(net, &tcp_hashinfo, NULL, 0,
ip_hdr(skb)->saddr,
th->source, ip_hdr(skb)->daddr,
- ntohs(th->source), inet_iif(skb),
- tcp_v4_sdif(skb));
+ ntohs(th->source), dif, sdif);
/* don't send rst if it can't find key */
if (!sk1)
goto out;
@@ -1293,7 +1294,8 @@ EXPORT_SYMBOL(tcp_v4_md5_hash_skb);
/* Called with rcu_read_lock() */
static bool tcp_v4_inbound_md5_hash(const struct sock *sk,
- const struct sk_buff *skb)
+ const struct sk_buff *skb,
+ int dif, int sdif)
{
#ifdef CONFIG_TCP_MD5SIG
/*
@@ -1817,6 +1819,7 @@ int tcp_v4_rcv(struct sk_buff *skb)
struct net *net = dev_net(skb->dev);
struct sk_buff *skb_to_free;
int sdif = inet_sdif(skb);
+ int dif = inet_iif(skb);
const struct iphdr *iph;
const struct tcphdr *th;
bool refcounted;
@@ -1865,7 +1868,7 @@ process:
struct sock *nsk;
sk = req->rsk_listener;
- if (unlikely(tcp_v4_inbound_md5_hash(sk, skb))) {
+ if (unlikely(tcp_v4_inbound_md5_hash(sk, skb, dif, sdif))) {
sk_drops_add(sk, skb);
reqsk_put(req);
goto discard_it;
@@ -1923,7 +1926,7 @@ process:
if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb))
goto discard_and_relse;
- if (tcp_v4_inbound_md5_hash(sk, skb))
+ if (tcp_v4_inbound_md5_hash(sk, skb, dif, sdif))
goto discard_and_relse;
nf_reset_ct(skb);