convertor: failed to extract tar

### What happened in your environment?

When using the converter to convert the image, the error 'failed to extract tar' occurs, whether it is ext4 or erofs.

### What did you expect to happen?

Image conversion succeeded.

### How can we reproduce it?

Use the following dockerhub image can reproduce it:

**yourls:1.9.2**

### What is the version of your Accelerated Container Image?

The latest.

### What is your OS environment?

Alibaba Cloud Linux 3

### Are you willing to submit PRs to fix it?

- [ ] Yes, I am willing to fix it.