4.9.20-stable review

This is the start of the stable review cycle for the 4.9.20 release. There are 16 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Sat Apr 1 10:04:23 UTC 2017. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.20-rc1.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>

    Linux 4.9.20-rc1

Bin Liu <[email protected]>
usb: musb: fix possible spinlock deadlock

Sebastian Andrzej Siewior <[email protected]>
sched/rt: Add a missing rescheduling point

Eric Biggers <[email protected]>
fscrypt: remove broken support for detecting keyring key revocation

Dave Martin <[email protected]>
metag/ptrace: Reject partial NT_METAG_RPIPE writes

Dave Martin <[email protected]>
metag/ptrace: Provide default TXSTATUS for short NT_PRSTATUS

Dave Martin <[email protected]>
metag/ptrace: Preserve previous registers for short regset write

Dave Martin <[email protected]>
sparc/ptrace: Preserve previous registers for short regset write

Dave Martin <[email protected]>
mips/ptrace: Preserve previous registers for short regset write

Dave Martin <[email protected]>
h8300/ptrace: Fix incorrect register transfer count

Dave Martin <[email protected]>
c6x/ptrace: Remove useless PTRACE_SETREGSET implementation

Bjorn Andersson <[email protected]>
pinctrl: qcom: Don't clear status bit on irq_unmask

Ladi Prosek <[email protected]>
virtio_balloon: init 1st buffer in stats vq

Paolo Bonzini <[email protected]>
KVM: x86: cleanup the page tracking SRCU instance

Andy Whitcroft <[email protected]>
xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder

Andy Whitcroft <[email protected]>
xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window

Florian Westphal <[email protected]>
xfrm: policy: init locks early

-------------

Diffstat:

 Makefile                              |  4 +--
 arch/c6x/kernel/ptrace.c              | 41 ---------------------------
 arch/h8300/kernel/ptrace.c            |  8 ++++--
 arch/metag/kernel/ptrace.c            | 19 ++++++++++---
 arch/mips/kernel/ptrace.c             |  3 +-
 arch/sparc/kernel/ptrace_64.c         |  2 +-
 arch/x86/include/asm/kvm_page_track.h |  1 +
 arch/x86/kvm/page_track.c             |  8 ++++++
 arch/x86/kvm/x86.c                    |  1 +
 drivers/pinctrl/qcom/pinctrl-msm.c    |  4 ---
 drivers/usb/musb/musb_core.c          |  2 +-
 drivers/virtio/virtio_balloon.c       |  2 ++
 fs/crypto/crypto.c                    | 10 +------
 fs/crypto/fname.c                     |  2 +-
 fs/crypto/keyinfo.c                   | 52 ++++++-----------------------------
 include/linux/fscrypto.h              |  2 --
 kernel/sched/deadline.c               |  3 +-
 kernel/sched/rt.c                     |  3 +-
 net/xfrm/xfrm_policy.c                | 10 +++----
 net/xfrm/xfrm_user.c                  |  9 +++++-
 20 files changed, 64 insertions(+), 122 deletions(-)