The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/kernel/+/0aa8c1e984c3b907909be159735c0c5c3728efce

commit 0aa8c1e984c3b907909be159735c0c5c3728efce
Author: Guenter Roeck <groeck@chromium.org>
Date: Thu Jan 17 14:08:06 2019

CHROMIUM: Merge 'v4.4.171' into chromeos-4.4

Merge of v4.4.171 into chromeos-4.4

Changelog:
----------------------------------------------------------------
Arnd Bergmann (1):
      btrfs: tree-checker: use %zu format string for size_t

Bjorn Helgaas (1):
      PCI: altera: Reorder read/write functions

Christoph Lameter (1):
      slab: alien caches must not be initialized if the allocation of the alien cache failed

Daniele Palmas (1):
      usb: cdc-acm: send ZLP for Telit 3G Intel based modems

David Sterba (1):
      btrfs: tree-check: reduce stack consumption in check_dir_item

Eric Biggers (1):
      crypto: cts - fix crash on short inputs

Filipe Manana (1):
      Btrfs: fix emptiness check for dirtied extent buffers at check_leaf()

Greg Kroah-Hartman (1):
      Linux 4.4.171

Gu Jinxiang (1):
      btrfs: validate type when reading a chunk

Guenter Roeck (1):
      Merge remote-tracking branch 'origin/linux/v4.4.171' into merge/chromeos-4.4-v4.4.171

Hans de Goede (1):
      ACPI: power: Skip duplicate power resource references in _PRx

Icenowy Zheng (2):
      USB: storage: don't insert sane sense for SPC3+ when bad sense specified
      USB: storage: add quirk for SMI SM3350

Jack Stocker (1):
      USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB

Jeff Mahoney (2):
      btrfs: cleanup, stop casting for extent_map->lookup everywhere
      btrfs: struct-funcs, constify readers

Josef Bacik (1):
      Btrfs: fix em leak in find_first_block_group

Kailang Yang (1):
      ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225

Ley Foon Tan (6):
      PCI: altera: Fix altera_pcie_link_is_up()
      PCI: altera: Check link status before retrain link
      PCI: altera: Poll for link up status after retraining the link
      PCI: altera: Poll for link training status after retraining the link
      PCI: altera: Rework config accessors for use without a struct pci_bus
      PCI: altera: Move retrain from fixup to altera_pcie_host_init()

Liu Bo (9):
      Btrfs: add validadtion checks for chunk loading
      Btrfs: check inconsistence between chunk and block group
      Btrfs: detect corruption when non-root leaf has zero item
      Btrfs: check btree node's nritems
      Btrfs: fix BUG_ON in btrfs_mark_buffer_dirty
      Btrfs: memset to avoid stale content in btree node block
      Btrfs: improve check_node to avoid reading corrupted nodes
      Btrfs: kill BUG_ON in run_delayed_tree_ref
      Btrfs: memset to avoid stale content in btree leaf

Pavel Shilovsky (1):
      CIFS: Do not hide EINTR after sending network packets

Qu Wenruo (14):
      btrfs: Enhance chunk validation check
      btrfs: Refactor check_leaf function for later expansion
      btrfs: Check if item pointer overlaps with the item itself
      btrfs: Add sanity check for EXTENT_DATA when reading out leaf
      btrfs: Add checker for EXTENT_CSUM
      btrfs: Move leaf and node validation checker to tree-checker.c
      btrfs: tree-checker: Enhance btrfs_check_node output
      btrfs: tree-checker: Fix false panic for sanity test
      btrfs: tree-checker: Add checker for dir item
      btrfs: tree-checker: Verify block_group_item
      btrfs: tree-checker: Detect invalid and empty essential trees
      btrfs: Check that each block group has corresponding chunk at mount time
      btrfs: Verify that every chunk has corresponding block group at mount time
      btrfs: tree-checker: Check level for leaves and nodes

Ross Lagerwall (1):
      cifs: Fix potential OOB access of lock element array

Shaokun Zhang (1):
      btrfs: tree-checker: Fix misleading group system information

Theodore Ts'o (1):
      ext4: fix a potential fiemap/page fault deadlock w/ inline_data

Vasily Averin (1):
      sunrpc: use-after-free in svc_process_common()

Yi Zeng (1):
      i2c: dev: prevent adapter retries and timeout being set as minus value

 Makefile                           |   2 +-
 crypto/cts.c                       |   8 +-
 drivers/acpi/power.c               |  22 ++
 drivers/i2c/i2c-dev.c              |   6 +
 drivers/pci/host/pcie-altera.c     | 201 +++++++++---
 drivers/usb/class/cdc-acm.c        |   7 +
 drivers/usb/core/quirks.c          |   3 +-
 drivers/usb/storage/scsiglue.c     |   8 +-
 drivers/usb/storage/unusual_devs.h |  12 +
 fs/btrfs/Makefile                  |   2 +-
 fs/btrfs/ctree.c                   |  14 -
 fs/btrfs/ctree.h                   | 141 ++++----
 fs/btrfs/dev-replace.c             |   2 +-
 fs/btrfs/disk-io.c                 |  80 +----
 fs/btrfs/extent-tree.c             | 112 ++++++-
 fs/btrfs/extent_io.c               |  43 ++-
 fs/btrfs/extent_io.h               |  19 +-
 fs/btrfs/extent_map.c              |   2 +-
 fs/btrfs/extent_map.h              |  10 +-
 fs/btrfs/scrub.c                   |   2 +-
 fs/btrfs/struct-funcs.c            |   9 +-
 fs/btrfs/tree-checker.c            | 649 +++++++++++++++++++++++++++++++++++++
 fs/btrfs/tree-checker.h            |  38 +++
 fs/btrfs/volumes.c                 | 139 +++++++-
 fs/btrfs/volumes.h                 |   2 +
 fs/cifs/file.c                     |   8 +-
 fs/cifs/smb2file.c                 |   4 +-
 fs/cifs/transport.c                |   2 +-
 fs/ext4/inline.c                   |   6 +-
 include/linux/sunrpc/svc.h         |   5 +-
 mm/slab.c                          |   6 +-
 net/sunrpc/svc.c                   |  10 +-
 net/sunrpc/svc_xprt.c              |   5 +-
 net/sunrpc/svcsock.c               |   2 +-
 sound/pci/hda/patch_realtek.c      |  16 +-
 35 files changed, 1323 insertions(+), 274 deletions(-)
 create mode 100644 fs/btrfs/tree-checker.c
 create mode 100644 fs/btrfs/tree-checker.h

BUG= chromium:922701 
TEST=Build and test on various affected systems

Change-Id: I2b1f804493b0f74b7efc95c0a8731b9559a5a623
Signed-off-by: Guenter Roeck <groeck@chromium.org>