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Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index cfe72085fdc4..84021a6c4f9d 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5098,13 +5098,17 @@ static void sctp_destroy_sock(struct sock *sk)
}
/* Triggered when there are no references on the socket anymore */
-static void sctp_destruct_sock(struct sock *sk)
+static void sctp_destruct_common(struct sock *sk)
{
struct sctp_sock *sp = sctp_sk(sk);
/* Free up the HMAC transform. */
crypto_free_shash(sp->hmac);
+}
+static void sctp_destruct_sock(struct sock *sk)
+{
+ sctp_destruct_common(sk);
inet_sock_destruct(sk);
}
@@ -5311,14 +5315,14 @@ EXPORT_SYMBOL_GPL(sctp_for_each_endpoint);
int sctp_transport_lookup_process(sctp_callback_t cb, struct net *net,
const union sctp_addr *laddr,
- const union sctp_addr *paddr, void *p)
+ const union sctp_addr *paddr, void *p, int dif)
{
struct sctp_transport *transport;
struct sctp_endpoint *ep;
int err = -ENOENT;
rcu_read_lock();
- transport = sctp_addrs_lookup_transport(net, laddr, paddr);
+ transport = sctp_addrs_lookup_transport(net, laddr, paddr, dif, dif);
if (!transport) {
rcu_read_unlock();
return err;
@@ -8394,6 +8398,7 @@ pp_found:
* in an endpoint.
*/
sk_for_each_bound(sk2, &pp->owner) {
+ int bound_dev_if2 = READ_ONCE(sk2->sk_bound_dev_if);
struct sctp_sock *sp2 = sctp_sk(sk2);
struct sctp_endpoint *ep2 = sp2->ep;
@@ -8404,7 +8409,9 @@ pp_found:
uid_eq(uid, sock_i_uid(sk2))))
continue;
- if (sctp_bind_addr_conflict(&ep2->base.bind_addr,
+ if ((!sk->sk_bound_dev_if || !bound_dev_if2 ||
+ sk->sk_bound_dev_if == bound_dev_if2) &&
+ sctp_bind_addr_conflict(&ep2->base.bind_addr,
addr, sp2, sp)) {
ret = 1;
goto fail_unlock;
@@ -9427,7 +9434,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
sctp_sk(newsk)->reuse = sp->reuse;
newsk->sk_shutdown = sk->sk_shutdown;
- newsk->sk_destruct = sctp_destruct_sock;
+ newsk->sk_destruct = sk->sk_destruct;
newsk->sk_family = sk->sk_family;
newsk->sk_protocol = IPPROTO_SCTP;
newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv;
@@ -9662,11 +9669,20 @@ struct proto sctp_prot = {
#if IS_ENABLED(CONFIG_IPV6)
-#include <net/transp_v6.h>
-static void sctp_v6_destroy_sock(struct sock *sk)
+static void sctp_v6_destruct_sock(struct sock *sk)
+{
+ sctp_destruct_common(sk);
+ inet6_sock_destruct(sk);
+}
+
+static int sctp_v6_init_sock(struct sock *sk)
{
- sctp_destroy_sock(sk);
- inet6_destroy_sock(sk);
+ int ret = sctp_init_sock(sk);
+
+ if (!ret)
+ sk->sk_destruct = sctp_v6_destruct_sock;
+
+ return ret;
}
struct proto sctpv6_prot = {
@@ -9676,8 +9692,8 @@ struct proto sctpv6_prot = {
.disconnect = sctp_disconnect,
.accept = sctp_accept,
.ioctl = sctp_ioctl,
- .init = sctp_init_sock,
- .destroy = sctp_v6_destroy_sock,
+ .init = sctp_v6_init_sock,
+ .destroy = sctp_destroy_sock,
.shutdown = sctp_shutdown,
.setsockopt = sctp_setsockopt,
.getsockopt = sctp_getsockopt,