diff options
Diffstat (limited to 'security/keys/encrypted-keys/encrypted.c')
| -rw-r--r-- | security/keys/encrypted-keys/encrypted.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 8e1c0099bb66..89d5695c51cd 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -315,6 +315,13 @@ static struct key *request_user_key(const char *master_desc, u8 **master_key, down_read(&ukey->sem); upayload = ukey->payload.data; + if (!upayload) { + /* key was revoked before we acquired its semaphore */ + up_read(&ukey->sem); + key_put(ukey); + ukey = ERR_PTR(-EKEYREVOKED); + goto error; + } *master_key = upayload->data; *master_keylen = upayload->datalen; error: |