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Date:   Mon, 15 Apr 2019 16:30:02 -0700
From:   Dan Williams <>
To:     Linus Torvalds <>
Cc:     linux-nvdimm <>,
        Linux Kernel Mailing List <>
Subject: [GIT PULL] libnvdimm fixes for 5.1-rc6

Hi Linus, please pull from:

tags/libnvdimm-fixes-5.1-rc6 receive an optional libnvdimm update for v5.1-rc6. I debated
holding this back for the v5.2 merge window due to the size of the
"zero-key" changes, but affected users would benefit from having the
fixes sooner. It did not make sense to change the zero-key semantic in
isolation for the "secure-erase" command, but instead include it for
all security commands.

The short background on the need for these changes is that some NVDIMM
platforms enable security with a default zero-key rather than let the
OS specify the initial key. This makes the security enabling that
landed in v5.0 unusable for some users.


The following changes since commit 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b:

  Linux 5.1-rc1 (2019-03-17 14:22:26 -0700)

are available in the Git repository at:


for you to fetch changes up to 2170a0d53bee1a6c1a4ebd042f99d85aafc6c0ea:

  tools/testing/nvdimm: Retain security state after overwrite
(2019-04-08 09:39:32 -0700)

libnvdimm fixes v5.1-rc6

- Compatibility fix for nvdimm-security implementations with a default

- Miscellaneous small fixes for out-of-bound accesses, cleanup after
  initialization failures, and missing debug messages.

Aditya Pakki (1):
      libnvdimm/btt: Fix a kmemdup failure check

Dan Williams (1):
      acpi/nfit: Always dump _DSM output payload

Dave Jiang (3):
      libnvdimm/security: provide fix for secure-erase to use zero-key
      libnvdimm/security, acpi/nfit: unify zero-key for all security commands
      tools/testing/nvdimm: Retain security state after overwrite

Kangjie Lu (1):
      libnvdimm/namespace: Fix a potential NULL pointer dereference

Li RongQing (1):
      libnvdimm/pmem: fix a possible OOB access when read and write pmem

 drivers/acpi/nfit/core.c         |  12 ++--
 drivers/acpi/nfit/intel.c        |  10 ++--
 drivers/nvdimm/btt_devs.c        |  18 ++++--
 drivers/nvdimm/namespace_devs.c  |   5 +-
 drivers/nvdimm/pmem.c            |   8 +--
 drivers/nvdimm/security.c        | 118 ++++++++++++++++++++++++---------------
 tools/testing/nvdimm/test/nfit.c |  17 ++++--
 7 files changed, 117 insertions(+), 71 deletions(-)

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