linux-kernel - Re: [PATCH V2] ima: do not copy measurement list to kdump kernel

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Message-ID: <aCawunqY+B5lvu5b@MiWiFi-R3L-srv>
Date: Fri, 16 May 2025 11:27:54 +0800
From: Baoquan He <bhe@...hat.com>
To: Mimi Zohar <zohar@...ux.ibm.com>
Cc: steven chen <chenste@...ux.microsoft.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,
	madvenka@...ux.microsoft.com, nramas@...ux.microsoft.com,
	James.Bottomley@...senpartnership.com
Subject: Re: [PATCH V2] ima: do not copy measurement list to kdump kernel

On 05/14/25 at 08:40am, Mimi Zohar wrote:
> On Tue, 2025-05-13 at 07:31 -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 kernel.
> > 
> > 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>
> > Tested-by: Baoquan He <bhe@...hat.com>
> > Acked-by: Baoquan He <bhe@...hat.com>
> 
> Thanks, Boaquan, Steven.
> 
> This patch is now queued in next-integrity and next-integrity-testing.

Thanks for taking care of this.