[Bug 2002226] Re: Add support for kernels compiled with CONFIG_EFI_ZBOOT

[Dimitri John Ledkov]

** Patch added: "0001-UBUNTU-Config-Turn-on-CONFIG_EFI_ZBOOT-on-ARM64.patch"
   https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2002226/+attachment/5686814/+files/0001-UBUNTU-Config-Turn-on-CONFIG_EFI_ZBOOT-on-ARM64.patch

** Changed in: linux (Ubuntu)
   Importance: Undecided => Wishlist

** Changed in: grub2-unsigned (Ubuntu)
   Importance: Undecided => Medium

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: New => Triaged

** Changed in: grub2-unsigned (Ubuntu)
       Status: New => Triaged

** Changed in: grub2 (Ubuntu)
       Status: New => Triaged

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2 in Ubuntu.
https://bugs.launchpad.net/bugs/2002226

Title:
  Add support for kernels compiled with CONFIG_EFI_ZBOOT

Status in grub2 package in Ubuntu:
  Triaged
Status in grub2-unsigned package in Ubuntu:
  Triaged
Status in linux package in Ubuntu:
  Triaged

Bug description:
  [Impact]
  Arm64 kernels compiled with CONFIG_EFI_ZBOOT=y don't use the ARM64_IMAGE_MAGIC ('ARM\x64') but LINUX_PE_MAGIC (0x818223cd) in the PE Header. Our GRUB fails to boot such a kernel.

  We should eliminate the following check:

  grub-core/loader/efi/linux.c:75:
    if (lh->magic != GRUB_LINUX_ARCH_MAGIC_SIGNATURE)
      return grub_error(GRUB_ERR_BAD_OS, "invalid magic number");

  This will allow any EFI binary to be run using the linux command.

  [Test plan]
  TBD

  [Where problems could occur]
  TBD

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/2002226/+subscriptions