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Diffstat (limited to 'net/unix/diag.c')
-rw-r--r--net/unix/diag.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/net/unix/diag.c b/net/unix/diag.c
index 105f522a89fe..616b55c5b890 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -114,14 +114,16 @@ static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb)
return nla_put(nlskb, UNIX_DIAG_RQLEN, sizeof(rql), &rql);
}
-static int sk_diag_dump_uid(struct sock *sk, struct sk_buff *nlskb)
+static int sk_diag_dump_uid(struct sock *sk, struct sk_buff *nlskb,
+ struct user_namespace *user_ns)
{
- uid_t uid = from_kuid_munged(sk_user_ns(nlskb->sk), sock_i_uid(sk));
+ uid_t uid = from_kuid_munged(user_ns, sock_i_uid(sk));
return nla_put(nlskb, UNIX_DIAG_UID, sizeof(uid_t), &uid);
}
static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req,
- u32 portid, u32 seq, u32 flags, int sk_ino)
+ struct user_namespace *user_ns,
+ u32 portid, u32 seq, u32 flags, int sk_ino)
{
struct nlmsghdr *nlh;
struct unix_diag_msg *rep;
@@ -167,7 +169,7 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r
goto out_nlmsg_trim;
if ((req->udiag_show & UDIAG_SHOW_UID) &&
- sk_diag_dump_uid(sk, skb))
+ sk_diag_dump_uid(sk, skb, user_ns))
goto out_nlmsg_trim;
nlmsg_end(skb, nlh);
@@ -179,7 +181,8 @@ out_nlmsg_trim:
}
static int sk_diag_dump(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req,
- u32 portid, u32 seq, u32 flags)
+ struct user_namespace *user_ns,
+ u32 portid, u32 seq, u32 flags)
{
int sk_ino;
@@ -190,7 +193,7 @@ static int sk_diag_dump(struct sock *sk, struct sk_buff *skb, struct unix_diag_r
if (!sk_ino)
return 0;
- return sk_diag_fill(sk, skb, req, portid, seq, flags, sk_ino);
+ return sk_diag_fill(sk, skb, req, user_ns, portid, seq, flags, sk_ino);
}
static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
@@ -214,7 +217,7 @@ static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
goto next;
if (!(req->udiag_states & (1 << sk->sk_state)))
goto next;
- if (sk_diag_dump(sk, skb, req,
+ if (sk_diag_dump(sk, skb, req, sk_user_ns(skb->sk),
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NLM_F_MULTI) < 0) {
@@ -282,7 +285,8 @@ again:
if (!rep)
goto out;
- err = sk_diag_fill(sk, rep, req, NETLINK_CB(in_skb).portid,
+ err = sk_diag_fill(sk, rep, req, sk_user_ns(NETLINK_CB(in_skb).sk),
+ NETLINK_CB(in_skb).portid,
nlh->nlmsg_seq, 0, req->udiag_ino);
if (err < 0) {
nlmsg_free(rep);