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[Launchpad Bug Tracker <1566544@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-wily

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https://bugs.launchpad.net/bugs/1566544

Title:
  Wily update to v4.2.8-ckt7 stable release

Status in linux package in Ubuntu:
  New
Status in linux source package in Wily:
  Fix Committed

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-ckt7 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-ckt7 stable release shall
  be applied:

  Linux 4.2.8-ckt7
  x86/iopl/64: Properly context-switch IOPL on Xen PV
  rtc: max77686: Properly handle regmap_irq_get_virq() error code
  ipvs: drop first packet to redirect conntrack
  v4l: vsp1: Set the SRU CTRL0 register when starting the stream
  perf stat: Document --detailed option
  drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
  ARM: prima2: always enable reset controller
  net: bcmgenet: fix dma api length mismatch
  net: add description for len argument of dev_get_phys_port_name
  clk: versatile: sp810: support reentrance
  ppp: ensure file->private_data can't be overridden
  regulator: s5m8767: fix get_register() error handling
  paride: make 'verbose' parameter an 'int' again
  perf pmu: Fix misleadingly indented assignment (whitespace)
  rtc: hym8563: fix invalid year calculation
  at803x: fix reset handling
  mac80211: fix ibss scan parameters
  mtd: brcmnand: Fix v7.1 register offsets
  mac80211: fix unnecessary frame drops in mesh fwding
  bpf: avoid copying junk bytes in bpf_get_current_comm()
  kbuild/mkspec: fix grub2 installkernel issue
  coda: fix error path in case of missing pdata on non-DT platform
  clk: meson: Fix meson_clk_register_clks() signature type mismatch
  mlx4: add missing braces in verify_qp_parameters
  ASoC: s3c24xx: use const snd_soc_component_driver pointer
  spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs
  ipip: Properly mark ipip GRO packets as encapsulated.
  sched/preempt, sh: kmap_coherent relies on disabled preemption
  lpfc: fix misleading indentation
  ipv4: fix broadcast packets reception
  sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race
  rtc: vr41xx: Wire up alarm_irq_enable
  efi: Expose non-blocking set_variable() wrapper to efivars
  ARM: OMAP3: Add cpuidle parameters table for omap3430
  mtd: map: fix .set_vpp() documentation
  drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()
  ARM: davinci: make I2C support optional
  rtc: ds1685: passing bogus values to irq_restore
  perf tools: handle spaces in file names obtained from /proc/pid/maps
  ath9k: fix buffer overrun for ar9287
  ata: ahci_xgene: dereferencing uninitialized pointer in probe
  drm/i915: Cleanup phys status page too
  ipvs: correct initial offset of Call-ID header search in SIP persistence engine
  clk: qcom: msm8960: fix ce3_core clk enable register
  fbdev: da8xx-fb: fix videomodes of lcd panels
  ASoC: ssm4567: Reset device before regcache_sync()
  net/mlx5: Make command timeout way shorter
  HID: logitech: fix Dual Action gamepad support
  misc/bmp085: Enable building as a module
  clk-divider: make sure read-only dividers do not write to their register
  megaraid_sas: add missing curly braces in ioctl handler
  ethernet: micrel: fix some error codes
  sctp: fix the transports round robin issue when init is retransmitted
  ath9k: fix misleading indentation
  net: Fix use after free in the recvmmsg exit path
  mac80211: fix txq queue related crashes
  ARC: bitops: Remove non relevant comments
  clk: rockchip: free memory in error cases when registering clock branches
  mdio-sun4i: oops in error handling in probe
  ppp: take reference on channels netns
  xen kconfig: don't "select INPUT_XEN_KBDDEV_FRONTEND"
  clk: qcom: msm8960: Fix ce3_src register offset
  clk: xgene: Add missing parenthesis when clearing divider value
  mac80211: avoid excessive stack usage in sta_info
  mm/page_alloc: prevent merging between isolated and other pageblocks
  ocfs2/dlm: fix BUG in dlm_move_lockres_to_recovery_list
  ocfs2/dlm: fix race between convert and recovery
  MAINTAINERS: Update mailing list and web page for hwmon subsystem
  ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI list
  staging: android: ion_test: fix check of platform_device_register_simple() error code
  staging: comedi: ni_mio_common: fix the ni_write[blw]() functions
  rapidio/rionet: fix deadlock on SMP
  fs/coredump: prevent fsuid=0 dumps into user-controlled directories
  tracing: Fix trace_printk() to print when not using bprintk()
  KVM: fix spin_lock_init order on x86
  KVM: VMX: avoid guest hang on invalid invept instruction
  target: Fix target_release_cmd_kref shutdown comp leak
  bitops: Do not default to __clear_bit() for __clear_bit_unlock()
  writeback, cgroup: fix use of the wrong bdi_writeback which mismatches the inode
  fs-writeback: unplug before cond_resched in writeback_sb_inodes
  writeback, cgroup: fix premature wb_put() in locked_inode_to_wb_and_lock_list()
  ALSA: usb-audio: add Microsoft HD-5001 to quirks
  splice: handle zero nr_pages in splice_to_pipe()
  tracing: Fix crash from reading trace_pipe with sendfile
  tracing: Have preempt(irqs)off trace preempt disabled functions
  USB: uas: Reduce can_queue to MAX_CMNDS
  USB: usb_driver_claim_interface: add sanity checking
  x86/apic: Fix suspicious RCU usage in smp_trace_call_function_interrupt()
  mm: memcontrol: reclaim and OOM kill when shrinking memory.max below usage
  mm: memcontrol: reclaim when shrinking memory.high below usage
  watchdog: don't run proc_watchdog_update if new value is same as old
  Input: ims-pcu - sanity check against missing interfaces
  drm/amdgpu: include the right version of gmc header files for iceland
  mmc: sdhci: Fix override of timeout clk wrt max_busy_timeout
  crypto: marvell/cesa - forward devm_ioremap_resource() error code
  x86/iopl: Fix iopl capability check on Xen PV
  vfs: show_vfsstat: do not ignore errors from show_devname method
  nfsd: fix deadlock secinfo+readdir compound
  mmc: mmc_spi: Add Card Detect comments and fix CD GPIO case
  ALSA: hda - Fix unconditional GPIO toggle via automute
  HID: i2c-hid: fix OOB write in i2c_hid_set_or_send_report()
  dm: fix rq_end_stats() NULL pointer in dm_requeue_original_request()
  net: mvneta: enable change MAC address when interface is up
  md: multipath: don't hardcopy bio in .make_request path
  drm/radeon: rework fbdev handling on chips with no connectors
  s390/pci: enforce fmb page boundary rule
  ALSA: intel8x0: Add clock quirk entry for AD1981B on IBM ThinkPad X41.
  bus: imx-weim: Take the 'status' property value into account
  ARC: [BE] readl()/writel() to work in Big Endian CPU configuration
  Bluetooth: Fix potential buffer overflow with Add Advertising
  xtensa: clear all DBREAKC registers on start
  xtensa: fix preemption in {clear,copy}_user_highpage
  xtensa: ISS: don't hang if stdin EOF is reached
  ALSA: hda - fix the mic mute button and led problem for a Lenovo AIO
  iser-target: Separate flows for np listeners and connections cma events
  iser-target: Add new state ISER_CONN_BOUND to isert_conn
  iser-target: Fix identification of login rx descriptor type
  dm cache: make sure every metadata function checks fail_io
  dm thin metadata: don't issue prefetches if a transaction abort has failed
  dm snapshot: disallow the COW and origin devices from being identical
  ALSA: pcm: Avoid "BUG:" string for warnings again
  Bluetooth: btusb: Add a new AR3012 ID 13d3:3472
  EDAC/sb_edac: Fix computation of channel address
  ALSA: hda - Apply reboot D3 fix for CX20724 codec, too
  jbd2: fix FS corruption possibility in jbd2_journal_destroy() on umount path
  sg: fix dxferp in from_to case
  drm/radeon: Don't drop DP 2.7 Ghz link setup on some cards.
  md/raid5: preserve STRIPE_PREREAD_ACTIVE in break_stripe_batch_list
  be2iscsi: set the boot_kset pointer to NULL in case of failure
  bcache: fix cache_set_flush() NULL pointer dereference on OOM
  bcache: cleaned up error handling around register_cache()
  bcache: fix race of writeback thread starting before complete initialization
  sched/cputime: Fix steal_account_process_tick() to always return jiffies
  perf/x86/intel: Fix PEBS warning by only restoring active PMU in pmi
  perf/x86/intel: Use PAGE_SIZE for PEBS buffer size on Core2
  perf/core: Fix perf_sched_count derailment
  pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing
  rt2x00: add new rt2800usb device Buffalo WLI-UC-G450
  libnvdimm: Fix security issue with DSM IOCTL.
  sched/cputime: Fix steal time accounting vs. CPU hotplug
  KVM: i8254: change PIT discard tick policy
  usb: hub: fix a typo in hub_port_init() leading to wrong logic
  of: alloc anywhere from memblock if range not specified
  mtip32xx: Handle FTL rebuild failure state during device initialization
  mtip32xx: Handle safe removal during IO
  mtip32xx: Fix for rmmod crash when drive is in FTL rebuild
  mtip32xx: Avoid issuing standby immediate cmd during FTL rebuild
  mtip32xx: Print exact time when an internal command is interrupted
  mtip32xx: Remove unwanted code from taskfile error handler
  mtip32xx: Fix broken service thread handling
  quota: Fix possible GPF due to uninitialised pointers
  xfs: fix two memory leaks in xfs_attr_list.c error paths
  nfsd4: fix bad bounds checking
  watchdog: rc32434_wdt: fix ioctl error handling
  bttv: Width must be a multiple of 16 when capturing planar formats
  IB/srpt: Simplify srpt_handle_tsk_mgmt()
  perf tools: Fix python extension build
  mmc: sdhci: fix data timeout (part 2)
  mmc: sdhci: fix data timeout (part 1)
  Bluetooth: btusb: Add a new AR3012 ID 04ca:3014
  crypto: ccp - memset request context to zero during import
  RAID5: revert e9e4c377e2f563 to fix a livelock
  RAID5: check_reshape() shouldn't call mddev_suspend
  md/raid5: Compare apples to apples (or sectors to sectors)
  mtd: onenand: fix deadlock in onenand_block_markbad
  aic7xxx: Fix queue depth handling
  aacraid: Fix memory leak in aac_fib_map_free
  aacraid: Fix RRQ overload
  Bluetooth: Add new AR3012 ID 0489:e095
  Bluetooth: btusb: Add new AR3012 ID 13d3:3395
  perf tools: Dont stop PMU parsing on alias parse error
  tpm_crb: tpm2_shutdown() must be called before tpm_chip_unregister()
  saa7134: Fix bytesperline not being set correctly for planar formats
  adv7511: TX_EDID_PRESENT is still 1 after a disconnect
  scripts/coccinelle: modernize &
  HID: fix hid_ignore_special_drivers module parameter
  usb: retry reset if a device times out
  ARM: dts: armada-375: use armada-370-sata for SATA
  tpm: fix the cleanup of struct tpm_chip
  tpm: fix the rollback in tpm_chip_register()
  tools/hv: Use include/uapi with __EXPORTED_HEADERS__
  staging: comedi: ni_tiocmd: change mistaken use of start_src for start_arg
  mei: bus: check if the device is enabled before data transfer
  net: irda: Fix use-after-free in irtty_open()
  8250: use callbacks to access UART_DLL/UART_DLM
  crypto: ccp - Don't assume export/import areas are aligned
  crypto: ccp - Limit the amount of information exported
  pwc: Add USB id for Philips Spc880nc webcam
  media: v4l2-compat-ioctl32: fix missing length copy in put_v4l2_buffer32
  tty: Fix GPF in flush_to_ldisc(), part 2
  clk: rockchip: add hclk_cpubus to the list of rk3188 critical clocks
  clk: rockchip: Add pclk_peri to critical clocks on RK3066/RK3188
  clk: rockchip: add pclk_cpu to the list of rk3188 critical clocks
  crypto: ccp - Add hash state import and export support
  EDAC, amd64_edac: Shift wrapping issue in f1x_get_norm_dct_addr()
  drm/i915: Workaround CHV pipe C cursor fail
  USB: cdc-acm: more sanity checking
  Input: ati_remote2 - fix crashes on detecting device with invalid descriptor
  include/linux/poison.h: fix LIST_POISON{1,2} offset
  ALSA: usb-audio: Add sanity checks for endpoint accesses
  ALSA: usb-audio: Fix NULL dereference in create_fixed_stream_quirk()
  USB: iowarrior: fix oops with malicious USB descriptors
  Input: powermate - fix oops with malicious USB descriptors
  ipv4: Don't do expensive useless work during inetdev destroy.
  gpio: rcar: Add Runtime PM handling for interrupts
  gpio: add a data pointer to gpio_chip
  gpiolib: do not allow to insert an empty gpiochip

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