diff options
| -rw-r--r-- | fs/ext4/super.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index cb9af5d5c29b..56c971807df5 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1152,6 +1152,15 @@ static int ext4_set_context(struct inode *inode, const void *ctx, size_t len, handle_t *handle = fs_data; int res, res2, credits, retries = 0; + /* + * Encrypting the root directory is not allowed because e2fsck expects + * lost+found to exist and be unencrypted, and encrypting the root + * directory would imply encrypting the lost+found directory as well as + * the filename "lost+found" itself. + */ + if (inode->i_ino == EXT4_ROOT_INO) + return -EPERM; + res = ext4_convert_inline_data(inode); if (res) return res; |