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From:   Miklos Szeredi <miklos@szeredi.hu>
Date:   Thu, 26 Jan 2023 14:26:27 +0100
Message-ID: <CAJfpegt7CMMapxD0W41n2SdwiBn8+B08vsov-iOpD=eQEiPN1w@mail.gmail.com>
Subject: Re: [PATCH] [REGRESSION] ovl: Handle ENOSYS when fileattr support is
 missing in lower/upper fs
To:     jkatz@eitmlabs.org
Cc:     =?UTF-8?Q?Christian_Kohlsch=C3=BCtter?= 
        <christian@kohlschutter.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        overlayfs <linux-unionfs@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>
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On Wed, 18 Jan 2023 at 04:41, Jonathan Katz <jkatz@eitmlabs.org> wrote:

> I believe that I am still having issues occur within Ubuntu 22.10 with
> the 5.19 version of the kernel that might be associated with this
> discussion.  I apologize up front for any faux pas I make in writing
> this email.

No need to apologize.   The fix in question went into v6.0 of the
upstream kernel.  So apparently it's still missing from the distro you
are using.

> An example error from our syslog:
>
> kernel: [2702258.538549] overlayfs: failed to retrieve lower fileattr
> (8020 MeOHH2O
> RecoverySample2-20221219-A-JJL-WebinarHilic10C-TOF-TT54-Neg-1722.d/analysis.tsf,
> err=-38)

Yep, looks like the same bug.

Thanks,
Miklos