5e72956199
This reverts commit 93004a8494,
because it broke Rawhide. It also tries to fixes BLS ostree
detection to work in chroots (e.g. during installation) by also
checking for /ostree/repo.
59 lines
1.9 KiB
Diff
59 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
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Date: Fri, 4 Mar 2022 11:29:31 +0100
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Subject: [PATCH] grub-core/loader/arm64/linux.c: do not validate kernel twice
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Call to grub_file_open(, GRUB_FILE_TYPE_LINUX_KERNEL) already passes
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the kernel file through shim-lock verifier when secureboot is on. Thus
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there is no need to validate the kernel image again. And when doing so
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again, duplicate PCR measurement is performed, breaking measurements
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compatibility with 2.04+linuxefi.
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This patch must not be ported to older editions of grub code bases
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that do not have verifiers framework, or it is not builtin, or
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shim-lock-verifier is an optional module.
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Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
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---
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grub-core/loader/arm64/linux.c | 13 -------------
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1 file changed, 13 deletions(-)
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diff --git a/grub-core/loader/arm64/linux.c b/grub-core/loader/arm64/linux.c
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index f18d90bd749..d2af47c2c0a 100644
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--- a/grub-core/loader/arm64/linux.c
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+++ b/grub-core/loader/arm64/linux.c
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@@ -34,7 +34,6 @@
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#include <grub/i18n.h>
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#include <grub/lib/cmdline.h>
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#include <grub/verify.h>
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-#include <grub/efi/sb.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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@@ -341,7 +340,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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grub_off_t filelen;
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grub_uint32_t align;
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void *kernel = NULL;
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- int rc;
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grub_dl_ref (my_mod);
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@@ -370,17 +368,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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goto fail;
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}
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- if (grub_efi_get_secureboot () == GRUB_EFI_SECUREBOOT_MODE_ENABLED)
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- {
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- rc = grub_linuxefi_secure_validate (kernel, filelen);
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- if (rc <= 0)
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- {
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- grub_error (GRUB_ERR_INVALID_COMMAND,
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- N_("%s has invalid signature"), argv[0]);
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- goto fail;
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- }
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- }
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-
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if (grub_arch_efi_linux_check_image (kernel) != GRUB_ERR_NONE)
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goto fail;
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if (parse_pe_header (kernel, &kernel_size, &handover_offset, &align) != GRUB_ERR_NONE)
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