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| author | David S. Miller <davem@davemloft.net> | 2015-11-01 07:15:30 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-01 07:15:30 +0300 |
| commit | b75ec3af27bf011a760e2f44eb25a99b6fbb0fb3 (patch) | |
| tree | 89f4fbab2c6194b32a46eb771c4b158585bf0bb5 /security | |
| parent | e7b63ff115f21ea6c609cbb08f3d489af627af6e (diff) | |
| parent | 523e13455ec9ec4457a5a1d24ff7132949742b70 (diff) | |
| download | linux-b75ec3af27bf011a760e2f44eb25a99b6fbb0fb3.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'security')
| -rw-r--r-- | security/keys/gc.c | 6 | ||||
| -rw-r--r-- | security/keys/request_key.c | 3 |
2 files changed, 7 insertions, 2 deletions
diff --git a/security/keys/gc.c b/security/keys/gc.c index 39eac1fd5706..addf060399e0 100644 --- a/security/keys/gc.c +++ b/security/keys/gc.c @@ -134,8 +134,10 @@ static noinline void key_gc_unused_keys(struct list_head *keys) kdebug("- %u", key->serial); key_check(key); - /* Throw away the key data */ - if (key->type->destroy) + /* Throw away the key data if the key is instantiated */ + if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags) && + !test_bit(KEY_FLAG_NEGATIVE, &key->flags) && + key->type->destroy) key->type->destroy(key); security_key_free(key); diff --git a/security/keys/request_key.c b/security/keys/request_key.c index 486ef6fa393b..0d6253124278 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -440,6 +440,9 @@ static struct key *construct_key_and_link(struct keyring_search_context *ctx, kenter(""); + if (ctx->index_key.type == &key_type_keyring) + return ERR_PTR(-EPERM); + user = key_user_lookup(current_fsuid()); if (!user) return ERR_PTR(-ENOMEM); |