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-rw-r--r--include/net/sock.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index ae1509860..1fa662430 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -394,6 +394,7 @@ struct sock {
void *sk_security;
#endif
__u32 sk_mark;
+ kuid_t sk_uid;
u32 sk_classid;
struct cg_proto *sk_cgrp;
void (*sk_state_change)(struct sock *sk);
@@ -1733,6 +1734,7 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
sk->sk_wq = parent->wq;
parent->sk = sk;
sk_set_socket(sk, parent);
+ sk->sk_uid = SOCK_INODE(parent)->i_uid;
security_sock_graft(sk, parent);
write_unlock_bh(&sk->sk_callback_lock);
}
@@ -1740,6 +1742,11 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
extern kuid_t sock_i_uid(struct sock *sk);
extern unsigned long sock_i_ino(struct sock *sk);
+static inline kuid_t sock_net_uid(const struct net *net, const struct sock *sk)
+{
+ return sk ? sk->sk_uid : make_kuid(net->user_ns, 0);
+}
+
static inline struct dst_entry *
__sk_dst_get(struct sock *sk)
{