diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/keys/keyctl.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index 94c2790f8283..ab0b337c84b4 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -132,7 +132,10 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type, key_ref_put(keyring_ref); error3: - kvfree(payload); + if (payload) { + memzero_explicit(payload, plen); + kvfree(payload); + } error2: kfree(description); error: @@ -347,7 +350,7 @@ long keyctl_update_key(key_serial_t id, key_ref_put(key_ref); error2: - kfree(payload); + kzfree(payload); error: return ret; } @@ -1093,7 +1096,10 @@ long keyctl_instantiate_key_common(key_serial_t id, keyctl_change_reqkey_auth(NULL); error2: - kvfree(payload); + if (payload) { + memzero_explicit(payload, plen); + kvfree(payload); + } error: return ret; } |