linux-kernel - Re: [PATCH] ima: Kdump kernel doesn't need IMA to do integrity measurement

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Message-ID: <7d1b7bea-e85a-474f-85d2-1a0ce27d2044@linux.microsoft.com>
Date: Tue, 13 May 2025 08:31:10 -0700
From: steven chen <chenste@...ux.microsoft.com>
To: Mimi Zohar <zohar@...ux.ibm.com>, stefanb@...ux.ibm.com,
 roberto.sassu@...weicloud.com, roberto.sassu@...wei.com,
 eric.snowberg@...cle.com, ebiederm@...ssion.com, paul@...l-moore.com,
 code@...icks.com, bauermann@...abnow.com, linux-integrity@...r.kernel.org,
 kexec@...ts.infradead.org, linux-security-module@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: madvenka@...ux.microsoft.com, nramas@...ux.microsoft.com,
 James.Bottomley@...senPartnership.com, bhe@...hat.com
Subject: Re: [PATCH] ima: Kdump kernel doesn't need IMA to do integrity
 measurement

On 5/13/2025 4:41 AM, Mimi Zohar wrote:
> Hi Steven,
>
> On Fri, 2025-05-02 at 13:03 -0700, steven chen wrote:
>> From: Steven Chen <chenste@...ux.microsoft.com>
>>
>> Kdump kernel doesn't need IMA to do integrity measurement.
>> Hence the measurement list in 1st kernel doesn't need to be copied to
>> kdump kenrel.
> ^kernel
>
> Please use "scripts/checkpatch.pl --codespell" to check for typos.
>
> Mimi
Will update. Thanks!
>> Here skip allocating buffer for measurement list copying if loading
>> kdump kernel. Then there won't be the later handling related to
>> ima_kexec_buffer.
>>
>> Signed-off-by: Steven Chen <chenste@...ux.microsoft.com>