1 files changed, 15 insertions, 6 deletions

diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 000e75017520..0ae3a2202771 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -126,6 +126,7 @@ static int call_sbin_request_key(struct key_construction *cons,
 
         cred = get_current_cred();
         keyring = keyring_alloc(desc, cred->fsuid, cred->fsgid, cred,
+                                KEY_POS_ALL | KEY_USR_VIEW | KEY_USR_READ,
                                 KEY_ALLOC_QUOTA_OVERRUN, NULL);
         put_cred(cred);
         if (IS_ERR(keyring)) {
@@ -150,12 +151,12 @@ static int call_sbin_request_key(struct key_construction *cons,
                 cred->thread_keyring ? cred->thread_keyring->serial : 0);
 
         prkey = 0;
-        if (cred->tgcred->process_keyring)
-                prkey = cred->tgcred->process_keyring->serial;
+        if (cred->process_keyring)
+                prkey = cred->process_keyring->serial;
         sprintf(keyring_str[1], "%d", prkey);
 
         rcu_read_lock();
-        session = rcu_dereference(cred->tgcred->session_keyring);
+        session = rcu_dereference(cred->session_keyring);
         if (!session)
                 session = cred->user->session_keyring;
         sskey = session->serial;
@@ -297,14 +298,14 @@ static void construct_get_dest_keyring(struct key **_dest_keyring)
                                 break;
 
                 case KEY_REQKEY_DEFL_PROCESS_KEYRING:
-                        dest_keyring = key_get(cred->tgcred->process_keyring);
+                        dest_keyring = key_get(cred->process_keyring);
                         if (dest_keyring)
                                 break;
 
                 case KEY_REQKEY_DEFL_SESSION_KEYRING:
                         rcu_read_lock();
                         dest_keyring = key_get(
-                                rcu_dereference(cred->tgcred->session_keyring));
+                                rcu_dereference(cred->session_keyring));
                         rcu_read_unlock();
 
                         if (dest_keyring)
@@ -347,6 +348,7 @@ static int construct_alloc_key(struct key_type *type,
         const struct cred *cred = current_cred();
         unsigned long prealloc;
         struct key *key;
+        key_perm_t perm;
         key_ref_t key_ref;
         int ret;
 
@@ -355,8 +357,15 @@ static int construct_alloc_key(struct key_type *type,
         *_key = NULL;
         mutex_lock(&user->cons_lock);
 
+        perm = KEY_POS_VIEW | KEY_POS_SEARCH | KEY_POS_LINK | KEY_POS_SETATTR;
+        perm |= KEY_USR_VIEW;
+        if (type->read)
+                perm |= KEY_POS_READ;
+        if (type == &key_type_keyring || type->update)
+                perm |= KEY_POS_WRITE;
+
         key = key_alloc(type, description, cred->fsuid, cred->fsgid, cred,
-                        KEY_POS_ALL, flags);
+                        perm, flags);
         if (IS_ERR(key))
                 goto alloc_failed;