Fix alignment of bootconfig

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GRUB may align the init ramdisk size to 4 bytes, the magic number at the
 end of the init ramdisk that denotes bootconfig is attached may not be at
 the exact end of the ramdisk. The kernel needs to check back at least 4
 bytes.
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Merge tag 'trace-v5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull bootconfig fix from Steven Rostedt:
 "Fix alignment of bootconfig

  GRUB may align the init ramdisk size to 4 bytes, the magic number at
  the end of the init ramdisk that denotes bootconfig is attached may
  not be at the exact end of the ramdisk. The kernel needs to check back
  at least 4 bytes"

* tag 'trace-v5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  bootconfig: Extend the magic check range to the preceding 3 bytes

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This commit is contained in:

Linus Torvalds 2020-11-13 09:36:10 -08:00

parent e45f90fc72 50b8a74285

commit 6186313d06

1 changed files with 12 additions and 2 deletions

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14

init/main.c

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