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[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

Fix released in 4.2.0-27.32

** Changed in: linux (Ubuntu Wily)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1532342

Title:
  Wily update to v4.2.8-ckt1 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Wily:
  Fix Released

Bug description:
  SRU Justification

      Impact:
         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from a mainline/stable Linux tree or
         a minimally backported form of that patch. The v4.2.8-ckt1 upstream stable
         patch set is now available. It should be included in the Ubuntu
         kernel as well.

         git://kernel.ubuntu.com/ubuntu/linux.git

      TEST CASE: TBD

         The following patches from the v4.2.8-ckt1 stable release shall
  be applied:

  Linux 4.2.8-ckt1
  KEYS: Fix race between read and revoke
  tcp: restore fastopen with no data in SYN packet
  af_unix: Revert 'lock_interruptible' in stream receive code
  fou: clean up socket with kfree_rcu
  gianfar: Don't enable RX Filer if not supported
  rhashtable: Enforce minimum size on initial hash table
  ipv6: automatically enable stable privacy mode if stable_secret set
  net: fix uninitialized variable issue
  bluetooth: Validate socket address length in sco_sock_bind().
  net_sched: make qdisc_tree_decrease_qlen() work for non mq
  net: check both type and procotol for tcp sockets
  skbuff: Fix offset error in skb_reorder_vlan_header
  vlan: Fix untag operations of stacked vlans with REORDER_HEADER off
  pptp: verify sockaddr_len in pptp_bind() and pptp_connect()
  sh_eth: fix kernel oops in skb_put()
  net: add validation for the socket syscall protocol argument
  phy: micrel: Fix finding PHY properties in MAC node.
  ipv6: sctp: clone options to avoid use after free
  r8152: fix lockup when runtime PM is enabled
  net: qca_spi: fix transmit queue timeout handling
  net: cdc_mbim: add "NDP to end" quirk for Huawei E3372
  sctp: also copy sk_tsflags when copying the socket
  sctp: update the netstamp_needed counter when copying sockets
  sctp: use the same clock as if sock source timestamps were on
  vxlan: fix incorrect RCO bit in VXLAN header
  ipv6: keep existing flags when setting IFA_F_OPTIMISTIC
  atl1c: Improve driver not to do order 4 GFP_ATOMIC allocation
  gre6: allow to update all parameters via rtnl
  pppoe: fix memory corruption in padt work structure
  ARC: Fix silly typo in MAINTAINERS file
  megaraid_sas: Make tape drives visible on PERC5 controllers
  TPM: Avoid reference to potentially freed memory
  mvneta: add FIXED_PHY dependency
  TPM: revert the list handling logic fixed in 398a1e7
  tpm_tis: free irq after probing
  NTB: fix 32-bit compiler warning
  rtc: ds1307: Fix alarm programming for mcp794xx
  perf trace: Fix documentation for -i
  ipv4: fix a potential deadlock in mcast getsockopt() path
  thermal: exynos: Fix first temperature read after registering sensor
  selftests: Make scripts executable
  selftests: kprobe: Choose an always-defined function to probe
  vfio/platform: store mapped memory in region, instead of an on-stack copy
  ipv6: fix tunnel error handling
  net: fix percpu memory leaks
  tracepoints: Fix documentation of RCU lockdep checks
  qmi_wwan: fix entry for HP lt4112 LTE/HSPA+ Gobi 4G Module
  xprtrdma: Prevent loss of completion signals
  xprtrdma: Re-arm after missed events
  cpufreq: arm_big_little: fix frequency check when bL switcher is active
  ipv6: no CHECKSUM_PARTIAL on MSG_MORE corked sockets
  IB/core, cma: Make __attribute_const__ declarations sparse-friendly
  sparc/PCI: Add mem64 resource parsing for root bus
  PCI: Set SR-IOV NumVFs to zero after enumeration
  netfilter: nfnetlink: don't probe module if it exists
  of/fdt: fix error checking for earlycon address
  netfilter: nf_nat_redirect: add missing NULL pointer check
  DT: mmc: sh_mmcif: fix "compatible" property text
  MIPS: atomic: Fix comment describing atomic64_add_unless's return value.
  sunrpc: avoid warning in gss_key_timeout
  perf annotate: Fix 'annotate.use_offset' config variable usage
  spi: omap2-mcspi: disable other channels CHCONF_FORCE in prepare_message
  IB/core: avoid 32-bit warning
  RDMA/cxgb4: re-fix 32-bit build warning
  tcp: apply Kern's check on RTTs used for congestion control
  kconfig: Fix copy&paste error
  ALSA: bebob: use correct type for __be32 data
  ALSA: fireworks: use u32 type for be32_to_cpup() macro
  ALSA: dice: assign converted data to the same type of variable
  ALSA: dice: correct variable types for __be32 data
  drm: Fix return value of drm_framebuffer_init()
  ALSA: fireworks/bebob/oxfw/dice: enable to make as built-in
  regulator: arizona-ldo1: Fix handling of GPIO 0
  hsi: omap_ssi_port: Prevent warning if cawake_gpio is not defined.
  hsi: fix double kfree
  packet: fix match_fanout_group()
  i2c: img-scb: verify support for requested bit rate
  i2c: img-scb: Clear line and interrupt status before starting a transfer
  i2c: img-scb: fix LOW and HIGH period values for the SCL clock
  i2c: img-scb: use DIV_ROUND_UP to round divisor values
  i2c: img-scb: do dummy writes before fifo access
  i2c: img-scb: enable fencing for all versions of the ip
  ipv4: Fix ip_queue_xmit to pass sk into ip_local_out_sk
  ipv4: Fix ip_local_out_sk by passing the sk into __ip_local_out_sk
  netfilter: remove dead code
  devres: fix a for loop bounds check
  [media] vivid: Fix iteration in driver removal path
  tcp: call sk_mark_napi_id() on the child, not the listener
  dmaengine: dw: convert to __ffs()
  wm831x_power: Use IRQF_ONESHOT to request threaded IRQs
  tools build: Fixup feature detection display function name
  crypto: crc32c-pclmul - use .rodata instead of .rotata
  net-sysfs: get_netdev_queue_index() cleanup
  ALSA: pcm: remove structure member of 'struct snd_pcm_hwptr_log *' type because this structure had been removed
  iio:magnetometer:bmc150_magn: sort entry alphabetically
  dax_io(): don't let non-error value escape via retval instead of EFAULT
  fs/pipe.c: return error code rather than 0 in pipe_write()
  binfmt_elf: Don't clobber passed executable's file header
  FS-Cache: Handle a write to the page immediately beyond the EOF marker
  FS-Cache: Don't override netfs's primary_index if registering failed
  FS-Cache: Increase reference of parent after registering, netfs success
  drm/ast: Initialized data needed to map fbdev memory
  drivers: of: of_reserved_mem: fixup the alignment with CMA setup
  storvsc: Don't set the SRB_FLAGS_QUEUE_ACTION_ENABLE flag
  ideapad-laptop: Add Lenovo Yoga 900 to no_hw_rfkill dmi list
  scsi_sysfs: Fix queue_ramp_up_period return code
  perf: Fix inherited events vs. tracepoint filters
  parisc: Fixes and cleanups in kernel uapi header files
  fs, seqfile: always allow oom killer
  lib/hexdump.c: truncate output in case of overflow
  printk: prevent userland from spoofing kernel messages
  proc: actually make proc_fd_permission() thread-friendly
  Input: elantech - add Fujitsu Lifebook U745 to force crc_enabled
  arm64: bpf: fix mod-by-zero case
  arm64: bpf: fix div-by-zero case
  memcg: fix thresholds for 32b architectures.
  mm/oom_kill.c: reverse the order of setting TIF_MEMDIE and sending SIGKILL
  mm: slab: only move management objects off-slab for sizes larger than KMALLOC_MIN_SIZE
  toshiba_acpi: Initialize hotkey_event_type variable
  scsi: restart list search after unlock in scsi_remove_target
  drm: Use userspace compatible type in fourcc_mod_code macro
  ALSA: hda - Add Intel Lewisburg device IDs Audio
  tracefs: Fix refcount imbalance in start_creating()
  ALSA: hda - Apply pin fixup for HP ProBook 6550b
  timers: Use proper base migration in add_timer_on()
  thermal: exynos: Fix unbalanced regulator disable on probe failure
  vfio: Fix bug in vfio_device_get_from_name()
  KVM: VMX: fix SMEP and SMAP without EPT
  recordmcount: arm64: Replace the ignored mcount call into nop
  recordmcount: Fix endianness handling bug for nop_mcount
  xtensa: fix secondary core boot in SMP
  megaraid_sas : SMAP restriction--do not access user memory from IOCTL code
  PCI: spear: Fix dw_pcie_cfg_read/write() usage
  tracing: Update instance_rmdir() to use tracefs_remove_recursive
  ALSA: hda - Fix lost 4k BDL boundary workaround
  drm/amdgpu: Make amdgpu_mn functions inline
  xtensa: fixes for configs without loop option
  crypto: algif_hash - Only export and import on sockets with data
  drm/i915: add quirk to enable backlight on Dell Chromebook 11 (2015)
  Revert "dm mpath: fix stalls when handling invalid ioctls"
  mtd: blkdevs: fix potential deadlock + lockdep warnings
  dm: initialize non-blk-mq queue data before queue is used
  megaraid_sas: Expose TAPE drives unconditionally
  spi/spi-xilinx: Fix race condition on last word read
  drm/amdgpu: add some additional CZ revisions
  MAINTAINERS: Add public mailing list for ARC
  ALSA: hda - Disable 64bit address for Creative HDA controllers
  ALSA: hda/realtek - Dell XPS one ALC3260 speaker no sound after resume back
  i2c: at91: manage unexpected RXRDY flag when starting a transfer
  ACPI / PM: Fix incorrect wakeup IRQ setting during suspend-to-idle
  ACPI: Using correct irq when waiting for events
  ACPI: Use correct IRQ when uninstalling ACPI interrupt handler
  spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word
  i2c: at91: fix write transfers by clearing pending interrupt first
  [media] media/v4l2-ctrls: fix setting autocluster to manual with VIDIOC_S_CTRL
  [media] media: vb2 dma-sg: Fully cache synchronise buffers in prepare and finish
  [media] media: vb2 dma-contig: Fully cache synchronise buffers in prepare and finish
  spi: dw: explicitly free IRQ handler in dw_spi_remove_host()
  drm/amdgpu/gfx8: set TC_WB_ACTION_EN in RELEASE_MEM packet
  tpm, tpm_tis: fix tpm_tis ACPI detection issue with TPM 2.0
  tpm, tpm_crb: fix unaligned read of the command buffer address
  vTPM: fix memory allocation flag for rtce buffer at kernel boot
  [PATCH] fix calculation of meta_bg descriptor backups
  jbd2: fix checkpoint list cleanup
  iommu/arm-smmu: Fix error checking for ASID and VMID allocation
  iommu/vt-d: Fix ATSR handling for Root-Complex integrated endpoints
  lockd: create NSM handles per net namespace
  spi: ti-qspi: Fix data corruption seen on r/w stress test
  f2fs crypto: allocate buffer for decrypting filename
  integrity: prevent loading untrusted certificates on the IMA trusted keyring
  drm/i915: Fix userptr deadlock with aliased GTT mmappings
  drm/i915: Only update the current userptr worker
  ubi: fastmap: Implement produce_free_peb()
  [media] media: v4l2-ctrls: Fix 64bit support in get_ctrl()
  [media] v4l2-ctrls: arrays are also considered compound controls
  mtd: mtdpart: fix add_mtd_partitions error path
  [media] v4l2-compat-ioctl32: fix alignment for ARM64
  HID: core: Avoid uninitialized buffer access
  ipv6: Fix IPsec pre-encap fragmentation check
  vxlan: set needed headroom correctly
  ARM: OMAP2+: board-generic: Remove stale of_irq macros
  scsi_dh: fix randconfig build error
  netlink, mmap: fix edge-case leakages in nf queue zero-copy
  ebpf: fix fd refcount leaks related to maps in bpf syscall
  task_work: remove fifo ordering guarantee
  ASoC: spear_pcm: Use devm_snd_dmaengine_pcm_register to fix resource leak
  bridge: fix netlink max attr size
  net: bcmgenet: Delay PHY initialization to bcmgenet_open()
  net: bcmgenet: Use correct dev_id for free_irq
  pinctrl: single: dra7: remove PCS_QUIRK_SHARED_IRQ
  drm/radeon: fix quirk for MSI R7 370 Armor 2X
  drm/radeon: add quirk for ASUS R7 370
  drm/radeon: add quirk for MSI R7 370
  x86/xen: Do not clip xen_e820_map to xen_e820_map_entries when sanitizing map
  drivers: usb: fsl: Workaround for USB erratum-A005275
  drivers: usb :fsl: Implement Workaround for USB Erratum A007792
  mxc_nand: fix copy_spare

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