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-rw-r--r--net/core/sock.c11
-rw-r--r--net/ipv4/inet_connection_sock.c7
-rw-r--r--net/ipv6/udp.c4
3 files changed, 11 insertions, 11 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index fb6080111461..bcdb6ff6e621 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -992,17 +992,18 @@ static inline void sock_lock_init(struct sock *sk)
/*
* Copy all fields from osk to nsk but nsk->sk_refcnt must not change yet,
* even temporarly, because of RCU lookups. sk_node should also be left as is.
+ * We must not copy fields between sk_dontcopy_begin and sk_dontcopy_end
*/
static void sock_copy(struct sock *nsk, const struct sock *osk)
{
#ifdef CONFIG_SECURITY_NETWORK
void *sptr = nsk->sk_security;
#endif
- BUILD_BUG_ON(offsetof(struct sock, sk_copy_start) !=
- sizeof(osk->sk_node) + sizeof(osk->sk_refcnt) +
- sizeof(osk->sk_tx_queue_mapping));
- memcpy(&nsk->sk_copy_start, &osk->sk_copy_start,
- osk->sk_prot->obj_size - offsetof(struct sock, sk_copy_start));
+ memcpy(nsk, osk, offsetof(struct sock, sk_dontcopy_begin));
+
+ memcpy(&nsk->sk_dontcopy_end, &osk->sk_dontcopy_end,
+ osk->sk_prot->obj_size - offsetof(struct sock, sk_dontcopy_end));
+
#ifdef CONFIG_SECURITY_NETWORK
nsk->sk_security = sptr;
security_sk_clone(osk, nsk);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 06f5f8f482f0..25e318153f14 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -55,7 +55,6 @@ EXPORT_SYMBOL(inet_get_local_port_range);
int inet_csk_bind_conflict(const struct sock *sk,
const struct inet_bind_bucket *tb)
{
- const __be32 sk_rcv_saddr = inet_rcv_saddr(sk);
struct sock *sk2;
struct hlist_node *node;
int reuse = sk->sk_reuse;
@@ -75,9 +74,9 @@ int inet_csk_bind_conflict(const struct sock *sk,
sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
if (!reuse || !sk2->sk_reuse ||
sk2->sk_state == TCP_LISTEN) {
- const __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
- if (!sk2_rcv_saddr || !sk_rcv_saddr ||
- sk2_rcv_saddr == sk_rcv_saddr)
+ const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+ if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
+ sk2_rcv_saddr == sk_rcv_saddr(sk))
break;
}
}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b541a4e009fb..7aad12770867 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -54,8 +54,8 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
{
const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
- __be32 sk1_rcv_saddr = inet_sk(sk)->inet_rcv_saddr;
- __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
+ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk);
+ __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
int sk_ipv6only = ipv6_only_sock(sk);
int sk2_ipv6only = inet_v6_ipv6only(sk2);
int addr_type = ipv6_addr_type(sk_rcv_saddr6);