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| author | James Morris <james.l.morris@oracle.com> | 2017-10-19 12:28:38 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-10-19 12:28:38 +1100 |
| commit | 494b9ae7abb84e6d88d7587906aff29dd26cf9d0 (patch) | |
| tree | aeb24854a715777aaa9d433d57f5e45d05017f73 /fs/crypto/keyinfo.c | |
| parent | 73d3393ada4f70fa3df5639c8d438f2f034c0ecb (diff) | |
| parent | 68a1fdbbf8bd3378325e45c19e167a165f9ffc3a (diff) | |
Merge commit 'tags/keys-fixes-20171018' into fixes-v4.14-rc5
Diffstat (limited to 'fs/crypto/keyinfo.c')
| -rw-r--r-- | fs/crypto/keyinfo.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c index 018c588c7ac3..8e704d12a1cf 100644 --- a/fs/crypto/keyinfo.c +++ b/fs/crypto/keyinfo.c @@ -109,6 +109,11 @@ static int validate_user_key(struct fscrypt_info *crypt_info, goto out; } ukp = user_key_payload_locked(keyring_key); + if (!ukp) { + /* key was revoked before we acquired its semaphore */ + res = -EKEYREVOKED; + goto out; + } if (ukp->datalen != sizeof(struct fscrypt_key)) { res = -EINVAL; goto out; |