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Diffstat (limited to 'net/ipv4/ping.c')
-rw-r--r--net/ipv4/ping.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 031df4c19fcc..d2c3480df8f7 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -77,6 +77,7 @@ static inline struct hlist_head *ping_hashslot(struct ping_table *table,
int ping_get_port(struct sock *sk, unsigned short ident)
{
+ struct net *net = sock_net(sk);
struct inet_sock *isk, *isk2;
struct hlist_head *hlist;
struct sock *sk2 = NULL;
@@ -90,9 +91,10 @@ int ping_get_port(struct sock *sk, unsigned short ident)
for (i = 0; i < (1L << 16); i++, result++) {
if (!result)
result++; /* avoid zero */
- hlist = ping_hashslot(&ping_table, sock_net(sk),
- result);
+ hlist = ping_hashslot(&ping_table, net, result);
sk_for_each(sk2, hlist) {
+ if (!net_eq(sock_net(sk2), net))
+ continue;
isk2 = inet_sk(sk2);
if (isk2->inet_num == result)
@@ -108,8 +110,10 @@ next_port:
if (i >= (1L << 16))
goto fail;
} else {
- hlist = ping_hashslot(&ping_table, sock_net(sk), ident);
+ hlist = ping_hashslot(&ping_table, net, ident);
sk_for_each(sk2, hlist) {
+ if (!net_eq(sock_net(sk2), net))
+ continue;
isk2 = inet_sk(sk2);
/* BUG? Why is this reuse and not reuseaddr? ping.c
@@ -129,7 +133,7 @@ next_port:
pr_debug("was not hashed\n");
sk_add_node_rcu(sk, hlist);
sock_set_flag(sk, SOCK_RCU_FREE);
- sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+ sock_prot_inuse_add(net, sk->sk_prot, 1);
}
spin_unlock(&ping_table.lock);
return 0;
@@ -188,6 +192,8 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
}
sk_for_each_rcu(sk, hslot) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
isk = inet_sk(sk);
pr_debug("iterate\n");