Re: [PATCH v3] ntfs: handle a failed size rollback in the write error path

[Hyunchul Lee]

>  			mutex_lock(&mrec_ni->mrec_lock);
> -			ntfs_attr_truncate(ni, old_data_size);
> +			data_err = __ntfs_attr_truncate_vfs(ni, old_data_size,
> +					old_data_size);

The shrink can clamp `initialized_size` to `old_data_size`, and this can
expose the uninitialized data in the read path.

-- 
Thanks,
Hyunchul