diff options
Diffstat (limited to 'fs/ext4/crypto_policy.c')
| -rw-r--r-- | fs/ext4/crypto_policy.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ext4/crypto_policy.c b/fs/ext4/crypto_policy.c index a4bf762b3ba9..749ed6e91e50 100644 --- a/fs/ext4/crypto_policy.c +++ b/fs/ext4/crypto_policy.c @@ -59,6 +59,13 @@ static int ext4_create_encryption_context_from_policy( res = -EINVAL; goto out; } + if (!ext4_valid_filenames_enc_mode(policy->filenames_encryption_mode)) { + printk(KERN_WARNING + "%s: Invalid filenames encryption mode %d\n", __func__, + policy->filenames_encryption_mode); + res = -EINVAL; + goto out; + } ctx.contents_encryption_mode = policy->contents_encryption_mode; ctx.filenames_encryption_mode = policy->filenames_encryption_mode; BUILD_BUG_ON(sizeof(ctx.nonce) != EXT4_KEY_DERIVATION_NONCE_SIZE); |