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

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https://bugs.launchpad.net/bugs/1479048

Title:
  Vivid update to 3.19.8-ckt4 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  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 Linus' tree or in a minimally
         backported form of that patch. The 3.19.8-ckt4 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 are in the 3.19.8-ckt4 stable release:

  net: don't wait for order-3 page allocation
  sctp: fix ASCONF list handling
  bridge: fix br_stp_set_bridge_priority race conditions
  packet: read num_members once in packet_rcv_fanout()
  packet: avoid out of bounds read in round robin fanout
  neigh: do not modify unlinked entries
  tcp: Do not call tcp_fastopen_reset_cipher from interrupt context
  net/mlx4_en: Release TX QP when destroying TX ring
  net/mlx4_en: Wake TX queues only when there's enough room
  net/mlx4_en: Fix wrong csum complete report when rxvlan offload is disabled
  net: phy: fix phy link up when limiting speed via device tree
  bnx2x: fix lockdep splat
  sctp: Fix race between OOTB responce and route removal
  amd-xgbe: Add the __GFP_NOWARN flag to Rx buffer allocation
  net: mvneta: introduce compatible string "marvell, armada-xp-neta"
  ARM: mvebu: update Ethernet compatible string for Armada XP
  net: mvneta: disable IP checksum with jumbo frames for Armada 370
  sparc: Use GFP_ATOMIC in ldc_alloc_exp_dring() as it can be called in softirq context
  [media] s5h1420: fix a buffer overflow when checking userspace params
  [media] cx24116: fix a buffer overflow when checking userspace params
  [media] af9013: Don't accept invalid bandwidth
  [media] cx24117: fix a buffer overflow when checking userspace params
  [media] saa7164: fix querycap warning
  [media] cx18: add missing caps for the PCM video device
  bus: arm-ccn: Fix node->XP config conversion
  ARM: tegra20: Store CPU "resettable" status in IRAM
  iio: accel: kxcjk-1013: add the "KXCJ9000" ACPI id
  video: mxsfb: Make sure axi clock is enabled when accessing registers
  spi: fix race freeing dummy_tx/rx before it is unmapped
  mtd: fix: avoid race condition when accessing mtd->usecount
  [media] rc-core: fix dib0700 scancode generation for RC5
  intel_pstate: set BYT MSR with wrmsrl_on_cpu()
  leds / PM: fix hibernation on arm when gpio-led used with CPU led trigger
  crypto: talitos - avoid memleak in talitos_alg_alloc()
  Revert "crypto: talitos - convert to use be16_add_cpu()"
  genirq: devres: Fix testing return value of request_any_context_irq()
  ASoC: wm8737: Fixup setting VMID Impedance control register
  ASoC: wm8903: Fix define for WM8903_VMID_RES_250K
  [media] media: Fix regression in some more dib0700 based devices
  mnt: Refactor the logic for mounting sysfs and proc in a user namespace
  ASoC: wm8955: Fix setting wrong register for WM8955_K_8_0_MASK bits
  of/pci: Fix pci_address_to_pio() conversion of CPU address to I/O port
  scsi_transport_srp: Introduce srp_wait_for_queuecommand()
  scsi_transport_srp: Fix a race condition
  IB/srp: Remove an extraneous scsi_host_put() from an error path
  IB/srp: Fix a connection setup race
  IB/srp: Fix connection state tracking
  IB/srp: Fix reconnection failure handling
  KVM: mips: use id_to_memslot correctly
  ima: skip measurement of cgroupfs files and update documentation
  ima: do not measure or appraise the NSFS filesystem
  KEYS: fix "ca_keys=" partial key matching
  PCI: Propagate the "ignore hotplug" setting to parent
  mei: txe: reduce suspend/resume time
  w1_therm reference count family data
  tty/serial: at91: RS485 mode: 0 is valid for delay_rts_after_send
  spi: orion: Fix maximum baud rates for Armada 370/XP
  rtlwifi: Remove the clear interrupt routine from all drivers
  drm/radeon: take the mode_config mutex when dealing with hpds (v2)
  rcu: Correctly handle non-empty Tiny RCU callback list with none ready
  ASoC: arizona: Fix noise generator gain TLV
  usb: dwc3: gadget: don't clear EP_BUSY too early
  dm cache: fix race when issuing a POLICY_REPLACE operation
  PCI: Add pci_bus_addr_t
  staging: rtl8712: prevent buffer overrun in recvbuf2recvframe
  usb: core: Fix USB 3.0 devices lost in NOTATTACHED state after a hub port reset
  staging: vt6655: device_rx_srv check sk_buff is NULL
  fixing infinite OPEN loop in 4.0 stateid recovery
  megaraid_sas : Modify return value of megasas_issue_blocked_cmd() and wait_and_poll() to consider command status returned by firmware
  ideapad_laptop: Lenovo G50-30 fix rfkill reports wireless blocked
  powerpc/perf: Fix book3s kernel to userspace backtraces
  gpio: crystalcove: set IRQCHIP_SKIP_SET_WAKE for the irqchip
  SUNRPC: Fix a memory leak in the backchannel code
  ipr: Increase default adapter init stage change timeout
  Btrfs: don't invalidate root dentry when subvolume deletion fails
  ARM: at91/dt: sama5d4ek: mci0 uses slot 0
  mnt: Modify fs_fully_visible to deal with locked ro nodev and atime
  ASoC: tas2552: Fix kernel crash when the codec is loaded but not part of a card
  ASoC: tas2552: Fix kernel crash caused by wrong kcontrol entry
  drm/qxl: Do not cause spice-server to clean our objects
  drm/qxl: Do not leak memory if qxl_release_list_add fails
  ASoC: rt5645: Init jack_detect_work before registering irq
  selinux: fix setting of security labels on NFS
  ath3k: Add support of 0489:e076 AR3012 device
  ath3k: add support of 13d3:3474 AR3012 device
  Bluetooth: btusb: Fix memory leak in Intel setup routine
  ath9k: fix DMA stop sequence for AR9003+
  b43: fix support for 14e4:4321 PCI dev with BCM4321 chipset
  cdc-acm: Add support of ATOL FPrint fiscal printers
  NFC: st21nfcb: Remove inappropriate kfree on a devm_kzalloc pointer
  NFC: st21nfcb: Do not remove header once the payload is sent
  NFC: st21nfcb: remove st21nfcb_nci_i2c_disable
  PCI: pciehp: Wait for hotplug command completion where necessary
  regulator: core: fix constraints output buffer
  ACPI / PM: Add missing pm_generic_complete() invocation
  x86/PCI: Use host bridge _CRS info on Foxconn K8M890-8237A
  pinctrl: mvebu: armada-38x: fix PCIe functions
  pinctrl: mvebu: armada-370: fix spi0 pin description
  pinctrl: mvebu: armada-375: remove non-existing NAND re/we pins
  pinctrl: mvebu: armada-xp: remove non-existing NAND pins
  pinctrl: mvebu: armada-xp: remove non-existing VDD cpu_pd functions
  pinctrl: mvebu: armada-xp: fix functions of MPP48
  pinctrl: mvebu: armada-375: remove incorrect space in pin description
  pinctrl: mvebu: armada-38x: fix incorrect total number of GPIOs
  i2c: at91: fix a race condition when using the DMA controller
  dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup
  ASoC: wm8960: the enum of "DAC Polarity" should be wm8960_enum[1]
  arm64: Do not attempt to use init_mm in reset_context()
  ext4: fix race between truncate and __ext4_journalled_writepage()
  Disable write buffering on Toshiba ToPIC95
  mei: me: wait for power gating exit confirmation
  fs/ufs: revert "ufs: fix deadlocks introduced by sb mutex merge"
  jbd2: use GFP_NOFS in jbd2_cleanup_journal_tail()
  regmap: Fix regmap_bulk_read in BE mode
  jbd2: fix ocfs2 corrupt when updating journal superblock fails
  ideapad: fix software rfkill setting
  fs/ufs: restore s_lock mutex
  regmap: Fix possible shift overflow in regmap_field_init()
  ima: fix ima_show_template_data_ascii()
  ima: add support for new "euid" policy condition
  ima: extend "mask" policy matching support
  nfs: increase size of EXCHANGE_ID name string buffer
  vTPM: set virtual device before passing to ibmvtpm_reset_crq
  Input: pixcir_i2c_ts - fix receive error
  arm: KVM: force execution of HCPTR access on VM exit
  ARM: kvm: psci: fix handling of unimplemented functions
  arm64: entry: fix context tracking for el0_sp_pc
  i2c: mux: Use __i2c_transfer() instead of calling parent's master_xfer()
  i2c: mux: pca954x: Use __i2c_transfer because of quirks
  arm64: mm: Fix freeing of the wrong memmap entries with !SPARSEMEM_VMEMMAP
  dm space map metadata: fix occasional leak of a metadata block on resize
  KVM: arm/arm64: vgic: Avoid injecting reserved IRQ numbers
  ARM: mvebu: fix suspend to RAM on big-endian configurations
  dm stats: fix divide by zero if 'number_of_areas' arg is zero
  x86/PCI: Use host bridge _CRS info on systems with >32 bit addressing
  pNFS: Fix a memory leak when attempted pnfs fails
  NFS: Ensure we set NFS_CONTEXT_RESEND_WRITES when requeuing writes
  ACPI / PNP: Avoid conflicting resource reservations
  Bluetooth: ath3k: add support of 04ca:300f AR3012 device
  Bluetooth: ath3k: Add support of 04ca:300d AR3012 device
  libata: Do not blacklist Micron M500DC
  arm64: vdso: work-around broken ELF toolchains in Makefile
  iommu/amd: Handle large pages correctly in free_pagetable
  ext4: call sync_blockdev() before invalidate_bdev() in put_super()
  MIPS: Fix KVM guest fixmap address
  xfs: fix remote symlinks on V5/CRC filesystems
  ext4: don't retry file block mapping on bigalloc fs with non-extent file
  drm/dp/mst: make sure mst_primary mstb is valid in work function
  drm/dp/mst: take lock around looking up the branch device on hpd irq
  NET: ROSE: Don't dereference NULL neighbour pointer.
  netfilter: nf_qeueue: Drop queue entries on nf_unregister_hook
  of/address: use atomic allocation in pci_register_io_range()
  fs: Fix S_NOSEC handling
  stmmac: troubleshoot unexpected bits in des0 & des1
  ACPI / resources: free memory on error in add_region_before()
  PM / sleep: Increase default DPM watchdog timeout to 60
  rtc: snvs: fix wakealarm by call enable_irq_wake earlier
  ARC: add compiler barrier to LLSC based cmpxchg
  ARC: add smp barriers around atomics per Documentation/atomic_ops.txt
  mm: kmemleak: allow safe memory scanning during kmemleak disabling
  mm: kmemleak_alloc_percpu() should follow the gfp from per_alloc()
  drm/dp/mst: close deadlock in connector destruction.
  dell-laptop: Fix allocating & freeing SMI buffer page
  ALSA: hda - Fix Dock Headphone on Thinkpad X250 seen as a Line Out
  ALSA: hda - set proper caps for newer AMD hda audio in KB/KV
  s390/kdump: fix REGSET_VX_LOW vector register ELF notes
  ARM64: smp: Fix suspicious RCU usage with ipi tracepoints
  arm64: bpf: fix out-of-bounds read in bpf2a64_offset()
  tracing/filter: Do not WARN on operand count going below zero
  tracing/filter: Do not allow infix to exceed end of string
  arm64: bpf: fix endianness conversion bugs
  clocksource: exynos_mct: Avoid blocking calls in the cpu hotplug notifier
  ALSA: hda - Add headset support to Acer Aspire V5
  ALSA: hda - Fix the dock headphone output on Fujitsu Lifebook E780
  agp/intel: Fix typo in needs_ilk_vtd_wa()
  drm/i915: fix backlight after resume on 855gm
  drm/radeon: compute ring fix hibernation (CI GPU family) v2.
  drm/radeon: SDMA fix hibernation (CI GPU family).
  crush: fix a bug in tree bucket decode
  rbd: use GFP_NOIO in rbd_obj_request_create()
  arm64: Don't report clear pmds and puds as huge
  fuse: initialize fc->release before calling it
  vfs: Ignore unlocked mounts in fs_fully_visible
  VFS: Introduce inode-getting helpers for layered/unioned fs environments
  fs: Add helper functions for permanently empty directories.
  sysctl: Allow creating permanently empty directories that serve as mountpoints.
  proc: Allow creating permanently empty directories that serve as mount points
  kernfs: Add support for always empty directories.
  sysfs: Add support for permanently empty directories to serve as mount points.
  sysfs: Create mountpoints with sysfs_create_mount_point
  mnt: Update fs_fully_visible to test for permanently empty directories
  vfs: Remove incorrect debugging WARN in prepend_path
  hwmon: (nct7802) fix visibility of temp3
  hwmon: (mcp3021) Fix broken output scaling
  ACPICA: Tables: Enable both 32-bit and 64-bit FACS
  ACPICA: Tables: Fix an issue that FACS initialization is performed twice
  ACPICA: Tables: Enable default 64-bit FADT addresses favor
  KVM: x86: make vapics_in_nmi_mode atomic
  KVM: x86: properly restore LVT0
  KVM: s390: virtio-ccw: don't overwrite config space values
  9p: forgetting to cancel request on interrupted zero-copy RPC
  bridge: multicast: restore router configuration on port link down/up
  ath10k: clear htt.freq
  cfg80211: ignore netif running state when changing iftype
  mm/hugetlb: introduce minimum hugepage order
  mmc: sdhci: Restore behavior while creating OCR mask
  hrtimer: Allow concurrent hrtimer_start() for self restarting timers
  ARM: dove: fix legacy dove IRQ numbers
  sched/fair: Prevent throttling in early pick_next_task_fair()
  watchdog: omap: assert the counter being stopped before reprogramming
  ufs: Fix possible deadlock when looking up directories
  net: dsa: bcm_sf2: properly propagate carrier down state for MoCA
  gpiolib: Add missing dummies for the unified device properties interface
  ASoC: imx-wm8962: Add a missing error check
  phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
  IB/mlx4: Convert slave port before building address-handle
  drm/tegra: dpaux: Fix transfers larger than 4 bytes
  ath10k: add extra check for frame tracing
  perf: Fix ring_buffer_attach() RCU sync, again
  mmc: card: Fixup request missing in mmc_blk_issue_rw_rq
  ipip: fix one sparse error
  __bitmap_parselist: fix bug in empty string handling
  powerpc/pseries: Fix possible leaked device node reference
  ath9k_htc: memory corruption calling set_bit()
  ARM: 8371/1: always select IRQ_WORK on SMP
  tty: remove platform_sysrq_reset_seq
  ath10k: fix insufficient tracing buffer size
  pktgen: adjust flag NO_TIMESTAMP to be more pktgen compliant
  mtd: dc21285: use raw spinlock functions for nw_gpio_lock
  rndis_wlan: harmless issue calling set_bit()
  clk: ti: dra7-atl-clock: Fix possible ERR_PTR dereference
  MIPS: Octeon: Set OHCI and EHCI MMIO byte order to match CPU
  NFS: Fix size of NFSACL SETACL operations
  security_syslog() should be called once only
  pktgen: adjust spacing in proc file interface output
  ARM: 8372/1: KGDB does not build on BE32
  of: return NUMA_NO_NODE from fallback of_node_to_nid()
  HID: i2c-hid: fix harmless test_bit() issue
  iwlwifi: mvm: fix ROC reference accounting
  samples/bpf: fix in-source build of samples with clang
  ACPI / init: Switch over platform to the ACPI mode later
  HID: rmi: fix some harmless BIT() mistakes
  mac80211: prevent possible crypto tx tailroom corruption
  mac80211: fix the beacon csa counter for mesh and ibss
  USB: devio: fix a condition in async_completed()
  e1000e: Cleanup handling of VLAN_HLEN as a part of max frame size
  clk: Fix JSON output in debugfs
  net/mlx4_core: Enhance the MAD_IFC wrapper to convert VF port to physical
  Btrfs: lock superblock before remounting for rw subvol
  Linux 3.19.8-ckt4

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