diff options
Diffstat (limited to 'fs/crypto')
| -rw-r--r-- | fs/crypto/keysetup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/crypto/keysetup.c b/fs/crypto/keysetup.c index c9f4fe955971..39fdea79e912 100644 --- a/fs/crypto/keysetup.c +++ b/fs/crypto/keysetup.c @@ -91,6 +91,10 @@ struct crypto_skcipher *fscrypt_allocate_skcipher(struct fscrypt_mode *mode, pr_info("fscrypt: %s using implementation \"%s\"\n", mode->friendly_name, crypto_skcipher_driver_name(tfm)); } + if (WARN_ON(crypto_skcipher_ivsize(tfm) != mode->ivsize)) { + err = -EINVAL; + goto err_free_tfm; + } crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS); err = crypto_skcipher_setkey(tfm, raw_key, mode->keysize); if (err) |