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    SubjectRe: [GIT PULL 0/5] EFI urgent fixes

    * Matt Fleming <matt@codeblueprint.co.uk> wrote:

    > Folks,
    >
    > Please pull the following EFI patches from Peter that prevent
    > accidental deletion of EFI variables through efivarfs which can lead
    > to bricked machines.
    >
    > These obviously need backporting to stable, so I'll take care of
    > sending the backports separately because we don't need to send the
    > entire 5 patch series.
    >
    > The following changes since commit 59fd1214561921343305a0e9dc218bf3d40068f3:
    >
    > x86/mm/numa: Fix 32-bit memblock range truncation bug on 32-bit NUMA kernels (2016-02-08 12:10:03 +0100)
    >
    > are available in the git repository at:
    >
    > git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git tags/efi-urgent
    >
    > for you to fetch changes up to ed8b0de5a33d2a2557dce7f9429dca8cb5bc5879:
    >
    > efi: Make efivarfs entries immutable by default (2016-02-10 16:25:52 +0000)
    >
    > ----------------------------------------------------------------
    > * Prevent accidental deletion of EFI variables through efivarfs that
    > may brick machines. We use a whitelist of known-safe variables to
    > allow things like installing distributions to work out of the box, and
    > instead restrict vendor-specific variable deletion by making
    > non-whitelist variables immutable - Peter Jones
    >
    > ----------------------------------------------------------------
    > Peter Jones (5):
    > lib/ucs2_string: Add ucs2 -> utf8 helper functions
    > efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
    > efi: Do variable name validation tests in utf8
    > efi: Make our variable validation list include the guid
    > efi: Make efivarfs entries immutable by default
    >
    > Documentation/filesystems/efivarfs.txt | 7 ++
    > drivers/firmware/efi/efivars.c | 35 +++---
    > drivers/firmware/efi/vars.c | 143 ++++++++++++++++++-------
    > fs/efivarfs/file.c | 70 ++++++++++++
    > fs/efivarfs/inode.c | 30 ++++--
    > fs/efivarfs/internal.h | 3 +-
    > fs/efivarfs/super.c | 16 +--
    > include/linux/efi.h | 5 +-
    > include/linux/ucs2_string.h | 4 +
    > lib/ucs2_string.c | 62 +++++++++++
    > tools/testing/selftests/efivarfs/efivarfs.sh | 19 +++-
    > tools/testing/selftests/efivarfs/open-unlink.c | 72 ++++++++++++-
    > 12 files changed, 383 insertions(+), 83 deletions(-)

    Pulled, thanks Matt!

    Ingo

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