luck/tmp_suning_uos_patched
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

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Pull key fix from James Morris.

Fix memory leak.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  KEYS: ensure we free the assoc array edit if edit is valid
This commit is contained in:
Linus Torvalds 2015-07-28 14:18:10 -07:00
commit d4ec1f181f
1 changed files with 5 additions and 3 deletions
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8
security/keys/keyring.c
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@ -1181,9 +1181,11 @@ void __key_link_end(struct key *keyring,
if (index_key->type == &key_type_keyring)
up_write(&keyring_serialise_link_sem);
if (edit && !edit->dead_leaf) {
key_payload_reserve(keyring,
keyring->datalen - KEYQUOTA_LINK_BYTES);
if (edit) {
if (!edit->dead_leaf) {
key_payload_reserve(keyring,
keyring->datalen - KEYQUOTA_LINK_BYTES);
}
assoc_array_cancel_edit(edit);
}
up_write(&keyring->sem);