diff options
| -rw-r--r-- | fs/ext4/crypto_fname.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/crypto_fname.c b/fs/ext4/crypto_fname.c index 7dc4eb55913c..86ee996a2bd4 100644 --- a/fs/ext4/crypto_fname.c +++ b/fs/ext4/crypto_fname.c @@ -329,6 +329,10 @@ int _ext4_fname_disk_to_usr(struct inode *inode, return oname->len; } } + if (iname->len < EXT4_CRYPTO_BLOCK_SIZE) { + EXT4_ERROR_INODE(inode, "encrypted inode too small"); + return -EUCLEAN; + } if (EXT4_I(inode)->i_crypt_info) return ext4_fname_decrypt(inode, iname, oname); |