From: Aditya Garg <gargaditya08@live.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Ard Biesheuvel <ardb@kernel.org>, Jeremy Kerr <jk@ozlabs.org>,
"joeyli.kernel@gmail.com" <joeyli.kernel@gmail.com>,
"zohar@linux.ibm.com" <zohar@linux.ibm.com>,
"jmorris@namei.org" <jmorris@namei.org>,
"eric.snowberg@oracle.com" <eric.snowberg@oracle.com>,
"dhowells@redhat.com" <dhowells@redhat.com>,
"jlee@suse.com" <jlee@suse.com>,
"James.Bottomley@hansenpartnership.com"
<James.Bottomley@HansenPartnership.com>,
"jarkko@kernel.org" <jarkko@kernel.org>,
"mic@digikod.net" <mic@digikod.net>,
"dmitry.kasatkin@gmail.com" <dmitry.kasatkin@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
"linux-security-module@vger.kernel.org"
<linux-security-module@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"keyrings@vger.kernel.org" <keyrings@vger.kernel.org>,
"linux-integrity@vger.kernel.org"
<linux-integrity@vger.kernel.org>,
Orlando Chamberlain <redecorating@protonmail.com>,
Aun-Ali Zaidi <admin@kodeit.net>
Subject: Re: [PATCH] efi: Do not import certificates from UEFI Secure Boot for T2 Macs
Date: Thu, 10 Feb 2022 05:54:34 +0000 [thread overview]
Message-ID: <A069AC2B-7F37-414E-A411-291DCF407AF8@live.com> (raw)
In-Reply-To: <20220209183545.GA14552@srcf.ucam.org>
>
> The LOAD_UEFI_KEYS code isn't doing anything special here - it's just
> trying to read some variables. If we simply disable that then the
> expectation would be that reading the same variables from userland would
> trigger the same failure. So the question is which of the variables that
> LOAD_UEFI_KEYS accesses is triggering the failure, and what's special
> about that? If it's a specific variable GUID or name that's failing, we
> should block that on Apple hardware in order to avoid issues caused by
> userland performing equivalent accesses.
The size log seems to be extra when crash occurs
integrity: Couldn't get size: 0x8000000000000015
integrity: MODSIGN: Couldn't get UEFI db list
efi: EFI Runtime Services are disabled!
integrity: Couldn't get size: 0x8000000000000015
integrity: Couldn't get UEFI dbx list
integrity: Couldn't get size: 0x8000000000000015
integrity: Couldn't get mokx list
integrity: Couldn't get size: 0x80000000
prev parent reply other threads:[~2022-02-10 5:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-09 14:27 [PATCH] efi: Do not import certificates from UEFI Secure Boot for T2 Macs Aditya Garg
2022-02-09 15:39 ` David Laight
2022-02-10 10:43 ` Aditya Garg
2022-02-10 10:44 ` [PATCH v2] " Aditya Garg
2022-02-10 10:47 ` [PATCH v3] " Aditya Garg
2022-02-13 7:39 ` Lukas Wunner
2022-02-13 8:36 ` Aditya Garg
2022-02-23 13:49 ` Aditya Garg
2022-02-10 10:47 ` [PATCH v2] " Ard Biesheuvel
2022-02-10 10:53 ` Aditya Garg
2022-02-09 16:49 ` [PATCH] " Matthew Garrett
2022-02-09 18:02 ` Aditya Garg
2022-02-09 18:35 ` Matthew Garrett
2022-02-09 19:37 ` Matthew Garrett
2022-02-10 4:43 ` Aditya Garg
2022-02-10 5:49 ` Aditya Garg
2022-02-10 18:09 ` Matthew Garrett
2022-02-11 4:51 ` Aditya Garg
2022-02-11 16:28 ` Matthew Garrett
2022-02-12 5:53 ` Aditya Garg
2022-02-12 19:42 ` Matthew Garrett
2022-02-13 8:22 ` Aditya Garg
2022-02-13 21:33 ` Matthew Garrett
2022-02-14 0:33 ` Aditya Garg
2022-02-10 5:54 ` Aditya Garg [this message]
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