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From: Mimi Zohar <zohar@linux.ibm.com>
To: Aditya Garg <gargaditya08@live.com>,
	"jarkko@kernel.org" <jarkko@kernel.org>,
	"dmitry.kasatkin@gmail.com" <dmitry.kasatkin@gmail.com>,
	"jmorris@namei.org" <jmorris@namei.org>,
	"serge@hallyn.com" <serge@hallyn.com>,
	"ast@kernel.org" <ast@kernel.org>,
	"daniel@iogearbox.net" <daniel@iogearbox.net>,
	"andrii@kernel.org" <andrii@kernel.org>,
	"kafai@fb.com" <kafai@fb.com>,
	"songliubraving@fb.com" <songliubraving@fb.com>,
	"yhs@fb.com" <yhs@fb.com>,
	"john.fastabend@gmail.com" <john.fastabend@gmail.com>,
	"kpsingh@kernel.org" <kpsingh@kernel.org>
Cc: "linux-integrity@vger.kernel.org"
	<linux-integrity@vger.kernel.org>,
	"keyrings@vger.kernel.org" <keyrings@vger.kernel.org>,
	"linux-security-module@vger.kernel.org" 
	<linux-security-module@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
	Orlando Chamberlain <redecorating@protonmail.com>,
	"admin@kodeit.net" <admin@kodeit.net>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH v7] efi: Do not import certificates from UEFI Secure Boot for T2 Macs
Date: Fri, 13 May 2022 11:24:45 -0400	[thread overview]
Message-ID: <06062b288d675dc060f33041e9b2009c151698e6.camel@linux.ibm.com> (raw)
In-Reply-To: <958B8D22-F11E-4B5D-9F44-6F0626DBCB63@live.com>

Hi Aditya,

On Fri, 2022-04-15 at 17:02 +0000, Aditya Garg wrote:
> From: Aditya Garg <gargaditya08@live.com>
> 
> On Apple T2 Macs, when Linux attempts to read the db and dbx efi variables
> at early boot to load UEFI Secure Boot certificates, a page fault occurs
> in Apple firmware code and EFI runtime services are disabled with the
> following logs:

Are there directions for installing Linux on a Mac with Apple firmware
code?  Are you dual booting Linux and Mac, or just Linux?  While in
secure boot mode, without being able to read the keys to verify the
kernel image signature, the signature verification should fail.

Has anyone else tested this patch?

thanks,

Mimi



  parent reply	other threads:[~2022-05-13 15:25 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-10 10:49 [PATCH v3 RESEND] efi: Do not import certificates from UEFI Secure Boot for T2 Macs Aditya Garg
2022-04-12 12:32 ` Mimi Zohar
2022-04-12 14:13   ` Aditya Garg
2022-04-12 15:13     ` Mimi Zohar
2022-04-12 15:40       ` Aditya Garg
2022-04-12 16:38       ` Aditya Garg
2022-04-12 16:40 ` [PATCH v4] " Aditya Garg
2022-04-12 16:44   ` [PATCH v4 RESEND] " Aditya Garg
2022-04-12 17:16     ` Mimi Zohar
2022-04-13 14:03       ` Aditya Garg
2022-04-13 14:04     ` [PATCH v5] " Aditya Garg
2022-04-14 13:30       ` Mimi Zohar
2022-04-15  6:17         ` Aditya Garg
2022-04-15  6:19       ` [PATCH v6] " Aditya Garg
2022-04-15 16:26         ` Mimi Zohar
2022-04-15 17:02           ` Aditya Garg
2022-04-15 17:02         ` [PATCH v7] " Aditya Garg
2022-04-22 17:39           ` [PATCH v7 RESEND] " Aditya Garg
2022-05-13 15:24           ` Mimi Zohar [this message]
2022-05-13 18:31             ` [PATCH v7] " Aditya Garg
2022-05-15 12:41               ` Mimi Zohar

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