Re: [PATCH v4, RESEND] fs/dax: check zero or empty entry before converting xarray entry

Seunguk Shin <[email protected]>
Newsgroups gmane.linux.kernel,gmane.linux.file-systems
Message-ID <[email protected]> 
Hi Andrew,

Thank you for looking into this.

> Are there any known userspace-visible runtime effects of this?

Yes. I'm trying to fix this because it caused kernel panic on a VM with DAX in
kata-containers project:
https://github.com/kata-containers/kata-containers/commit/1c154b4c15cfc63e06ad1c48a801064677e874e2

I'll add kernel panic message in the commit log like patch v2:
https://lore.kernel.org/all/[email protected]/

Thank you.
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