From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68CACC6FA8B for ; Sat, 17 Sep 2022 09:16:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229548AbiIQJQk (ORCPT ); Sat, 17 Sep 2022 05:16:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbiIQJQj (ORCPT ); Sat, 17 Sep 2022 05:16:39 -0400 Received: from mail-0301.mail-europe.com (mail-0301.mail-europe.com [188.165.51.139]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3740645F64; Sat, 17 Sep 2022 02:16:37 -0700 (PDT) Date: Sat, 17 Sep 2022 09:16:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1663406192; x=1663665392; bh=WtH1XiJMuAo2t7Ag08kalVAzbnlWzm46SLxhU7NTyU4=; h=Date:To:From:Cc:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID; b=wrMZSanWm0KJNnm3ykOCdOL3myVpKchYhLarOh+NsiXJB3cNn0XiZL2PXDM6LtgBL 3apqAbQLnHqEh+eoVn63MLzOc906v+d+cUbfJ7xjwtZPIpLDp0VA5MAShrxzjReeR5 M7EvduAsjV/qy4vIacG6Y4U/isHOKKOzBg/bah+2GmOqPNKtrznVv1st9g2xOZEqkV XUeyh6D0dktGbx7x+5AFx72NVxUZP4NlfAo2XDtrCaycemsJPpqV6rVhIEdjUd7wzp 0MAp+ypX4PO1Rlcbi6BYF02vair4YktlZi5QGPL6Pye/WVA25lTRB3xEw+Nwd0/b0a sZMpKhkpZNHrw== To: linux-kernel@vger.kernel.org From: Orlando Chamberlain Cc: jarkko@kernel.org, zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, gargaditya08@live.com, linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, Orlando Chamberlain , stable@vger.kernel.org, Samuel Jiang Subject: [PATCHv2 1/1] efi: Correct Macmini DMI match in uefi cert quirk Message-ID: <20220917091532.3607-1-redecorating@protonmail.com> Feedback-ID: 28131841:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: keyrings@vger.kernel.org It turns out Apple doesn't capitalise the "mini" in "Macmini" in DMI, which is inconsistent with other model line names. Correct the capitalisation of Macmini in the quirk for skipping loading platform certs on T2 Macs. Currently users get: ------------[ cut here ]------------ [Firmware Bug]: Page fault caused by firmware at PA: 0xffffa30640054000 WARNING: CPU: 1 PID: 8 at arch/x86/platform/efi/quirks.c:735 efi_crash_grac= efully_on_page_fault+0x55/0xe0 Modules linked in: CPU: 1 PID: 8 Comm: kworker/u12:0 Not tainted 5.18.14-arch1-2-t2 #1 4535eb3= fc40fd08edab32a509fbf4c9bc52d111e Hardware name: Apple Inc. Macmini8,1/Mac-7BA5B2DFE22DDD8C, BIOS 1731.120.10= .0.0 (iBridge: 19.16.15071.0.0,0) 04/24/2022 Workqueue: efi_rts_wq efi_call_rts ... ---[ end trace 0000000000000000 ]--- efi: Froze efi_rts_wq and disabled EFI Runtime Services 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 Fixes: 155ca952c7ca ("efi: Do not import certificates from UEFI Secure Boot= for T2 Macs") Cc: stable@vger.kernel.org Cc: Aditya Garg Tested-by: Samuel Jiang Signed-off-by: Orlando Chamberlain --- v1->v2: Clarified in commit message that this is for a dmi match string security/integrity/platform_certs/load_uefi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integ= rity/platform_certs/load_uefi.c index 093894a640dc..b78753d27d8e 100644 --- a/security/integrity/platform_certs/load_uefi.c +++ b/security/integrity/platform_certs/load_uefi.c @@ -31,7 +31,7 @@ static const struct dmi_system_id uefi_skip_cert[] =3D { =09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir8,1") }, =09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir8,2") }, =09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir9,1") }, -=09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacMini8,1") }, +=09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "Macmini8,1") }, =09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacPro7,1") }, =09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "iMac20,1") }, =09{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "iMac20,2") }, --=20 2.37.1