Pete Batard e987272287

[grub] update GRUB 2.04 core.img for Ubuntu 20.10 support ...

* GRUB have cherry-picked patches from the "BootHole" vulnerability fix at
  https://lists.gnu.org/archive/html/grub-devel/2020-07/msg00034.html and
  have applied them to their 2.04 GRUB loader.
* This results in breakage with "error: symbol 'grub_calloc' not found" when
  using the release GRUB 2.04 version of core.img.
* Therefore, we too cherry-picked some patches to apply on top of GRUB 2.04
  release to make our core.img compatible with Ubuntu 20.10.
* Closes #1616
* Also increase the maximum write stride for ms-sys to 64 KB (required to
  write the GRUB 2.05 bootloader which is larger than 32 KB) and update hash DB.

2020-09-16 13:59:06 +01:00

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