linux-kernel - Re: [PATCH] efi: Do not import certificates from UEFI Secure Boot for T2 Macs

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Message-ID: <20220213213332.GA30613@srcf.ucam.org>
Date:   Sun, 13 Feb 2022 21:33:32 +0000
From:   Matthew Garrett <mjg59@...f.ucam.org>
To:     Aditya Garg <gargaditya08@...e.com>
Cc:     Ard Biesheuvel <ardb@...nel.org>, Jeremy Kerr <jk@...abs.org>,
        "joeyli.kernel@...il.com" <joeyli.kernel@...il.com>,
        "zohar@...ux.ibm.com" <zohar@...ux.ibm.com>,
        "jmorris@...ei.org" <jmorris@...ei.org>,
        "eric.snowberg@...cle.com" <eric.snowberg@...cle.com>,
        "dhowells@...hat.com" <dhowells@...hat.com>,
        "jlee@...e.com" <jlee@...e.com>,
        "James.Bottomley@...senpartnership.com" 
        <James.Bottomley@...senPartnership.com>,
        "jarkko@...nel.org" <jarkko@...nel.org>,
        "mic@...ikod.net" <mic@...ikod.net>,
        "dmitry.kasatkin@...il.com" <dmitry.kasatkin@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
        "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "keyrings@...r.kernel.org" <keyrings@...r.kernel.org>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        Orlando Chamberlain <redecorating@...tonmail.com>,
        Aun-Ali Zaidi <admin@...eit.net>
Subject: Re: [PATCH] efi: Do not import certificates from UEFI Secure Boot
 for T2 Macs

On Sun, Feb 13, 2022 at 08:22:32AM +0000, Aditya Garg wrote:

> Surprisingly it didn’t cause a crash. The logs are at https://gist.githubusercontent.com/AdityaGarg8/8e820c2724a65fb4bbb5deae2b358dc8/raw/2a003ef43ae06dbe2bcc22b34ba7ccbb03898a21/log2.log

Interesting. Ok, so there's something else going on here. I'll have 
access to a T2 system next week, so I'll take a look then. Is this 
something that started happening recently, or has it always happened if 
this config option is set on these platforms?