userns: Print out socket uids in a user namespace aware fashion.

Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 1e2eee88c3ea..dc12febc977a 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -216,7 +216,8 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
                 seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
                            sctp_sk(sk)->type, sk->sk_state, hash,
                            epb->bind_addr.port,
-                           sock_i_uid(sk), sock_i_ino(sk));
+                           from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+                           sock_i_ino(sk));
 
                 sctp_seq_dump_local_addrs(seq, epb);
                 seq_printf(seq, "\n");
@@ -324,7 +325,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
                            assoc->assoc_id,
                            assoc->sndbuf_used,
                            atomic_read(&assoc->rmem_alloc),
-                           sock_i_uid(sk), sock_i_ino(sk),
+                           from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+                           sock_i_ino(sk),
                            epb->bind_addr.port,
                            assoc->peer.port);
                 seq_printf(seq, " ");