linux-kernel - Re: [RFC PATCH v2 0/2] ima: Fix detection of read/write violations on stacked filesystems

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Message-ID: <370f9aa6-ef55-469a-ad42-94bf535e0eb8@linux.ibm.com>
Date: Tue, 23 Apr 2024 06:53:41 -0400
From: Stefan Berger <stefanb@...ux.ibm.com>
To: Amir Goldstein <amir73il@...il.com>
Cc: linux-integrity@...r.kernel.org, linux-unionfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, zohar@...ux.ibm.com,
        roberto.sassu@...wei.com, miklos@...redi.hu, brauner@...nel.org
Subject: Re: [RFC PATCH v2 0/2] ima: Fix detection of read/write violations on
 stacked filesystems



On 4/23/24 02:02, Amir Goldstein wrote:
> On Mon, Apr 22, 2024 at 6:07 PM Stefan Berger <stefanb@...ux.ibm.com> wrote:
>>
>> This series fixes the detection of read/write violations on stacked
>> filesystems. To be able to access the relevant dentries necessary to
>> detect files opened for writing on a stacked filesystem a new d_real_type
>> D_REAL_FILEDATA is introduced that allows callers to access all relevant
>> files involved in a stacked filesystem while traversing the layers.
>>
> 
> Stefan,
> 
> Both Miklos and myself objected to this solution:
> https://lore.kernel.org/linux-unionfs/CAJfpeguctirEYECoigcAsJwpGPCX2NyfMZ8H8GHGW-0UyKfjgg@mail.gmail.com/

Thanks, the RFC has achieved its objective now.

    Stefan