userns: net: Call key_alloc with GLOBAL_ROOT_UID, GLOBAL_ROOT_GID instead of 0, 0

In net/dns_resolver/dns_key.c and net/rxrpc/ar-key.c make them
work with user namespaces enabled where key_alloc takes kuids and kgids.
Pass GLOBAL_ROOT_UID and GLOBAL_ROOT_GID instead of bare 0's.

Cc: Sage Weil <sage@inktank.com>
Cc: ceph-devel@vger.kernel.org
Cc: David Howells <dhowells@redhat.com>
Cc: David Miller <davem@davemloft.net>
Cc: linux-afs@lists.infradead.org
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/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 8b1f9f49960f..011d2384b115 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -948,7 +948,8 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *conn,
 
         _enter("");
 
-        key = key_alloc(&key_type_rxrpc, "x", 0, 0, cred, 0,
+        key = key_alloc(&key_type_rxrpc, "x",
+                        GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred, 0,
                         KEY_ALLOC_NOT_IN_QUOTA);
         if (IS_ERR(key)) {
                 _leave(" = -ENOMEM [alloc %ld]", PTR_ERR(key));
@@ -994,7 +995,8 @@ struct key *rxrpc_get_null_key(const char *keyname)
         struct key *key;
         int ret;
 
-        key = key_alloc(&key_type_rxrpc, keyname, 0, 0, cred,
+        key = key_alloc(&key_type_rxrpc, keyname,
+                        GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred,
                         KEY_POS_SEARCH, KEY_ALLOC_NOT_IN_QUOTA);
         if (IS_ERR(key))
                 return key;