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[Launchpad Bug Tracker <1387813@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1387813

Title:
  Utopic update to v3.16.7 stable release

Status in “linux” package in Ubuntu:
  Confirmed
Status in “linux” source package in Utopic:
  Confirmed

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 v3.16.7 upstream stable
         patch set is now available. It should be included in the Ubuntu
         kernel as well.

         git://git.kernel.org/

      TEST CASE: TBD

         The following patches are in the v3.16.7 stable release:

  btrfs: wake up transaction thread from SYNC_FS ioctl
  btrfs: Fix a deadlock in btrfs_dev_replace_finishing()
  Btrfs: add missing compression property remove in btrfs_ioctl_setflags
  Btrfs: fix up bounds checking in lseek
  Btrfs: don't do async reclaim during log replay
  Btrfs: try not to ENOSPC on log replay
  Btrfs: cleanup error handling in build_backref_tree
  Btrfs: fix build_backref_tree issue with multiple shared blocks
  Btrfs: fix race in WAIT_SYNC ioctl
  usb: pch_udc: usb gadget device support for Intel Quark X1000
  pci_ids: Add support for Intel Quark ILB
  kvm: x86: fix stale mmio cache bug
  kvm: fix potentially corrupt mmio cache
  KVM: do not bias the generation number in kvm_current_mmio_generation
  KVM: s390: unintended fallthrough for external call
  kvm: don't take vcpu mutex for obviously invalid vcpu ioctls
  x86,kvm,vmx: Preserve CR4 across VM entry
  x86/intel/quark: Switch off CR4.PGE so TLB flush uses CR3 instead
  spi: dw-mid: respect 8 bit mode
  spi: dw-mid: check that DMA was inited before exit
  HID: rmi: check sanity of the incoming report
  mpc85xx_edac: Make L2 interrupt shared too
  regmap: debugfs: fix possbile NULL pointer dereference
  regmap: fix NULL pointer dereference in _regmap_write/read
  regmap: fix possible ZERO_SIZE_PTR pointer dereferencing error.
  be2iscsi: check ip buffer before copying
  regulator: ltc3589: fix broken voltage transitions
  qla2xxx: fix kernel NULL pointer access
  qla2xxx: Use correct offset to req-q-out for reserve calculation
  qla2xxx: Fix shost use-after-free on device removal
  dmaengine: fix xor sources continuation
  firmware_class: make sure fw requests contain a name
  arm64: debug: don't re-enable debug exceptions on return from el1_dbg
  Drivers: hv: util: Properly pack the data for file copy functionality
  Drivers: hv: vmbus: Cleanup vmbus_post_msg()
  Drivers: hv: vmbus: Cleanup vmbus_teardown_gpadl()
  Drivers: hv: vmbus: Cleanup vmbus_close_internal()
  Drivers: hv: vmbus: Cleanup vmbus_establish_gpadl()
  Drivers: hv: vmbus: Fix a bug in vmbus_open()
  Drivers: hv: vmbus: Cleanup hv_post_message()
  mei: bus: fix possible boundaries violation
  m68k: Disable/restore interrupts in hwreg_present()/hwreg_write()
  Fixing lease renewal
  Documentation: lzo: document part of the encoding
  Revert "lzo: properly check for overruns"
  lzo: check for length overrun in variable length encoding.
  tty: omap-serial: fix division by zero
  NFSv4: Fix lock recovery when CREATE_SESSION/SETCLIENTID_CONFIRM fails
  NFSv4: fix open/lock state recovery error handling
  NFSv4.1: Fix an NFSv4.1 state renewal regression
  nfsd4: reserve adequate space for LOCK op
  NFS: Fix an uninitialised pointer Oops in the writeback error path
  NFS: Fix a bogus warning in nfs_generic_pgio
  iwlwifi: mvm: disable BT Co-running by default
  iwlwifi: Add missing PCI IDs for the 7260 series
  spi: dw-mid: terminate ongoing transfers at exit
  PCI: mvebu: Fix uninitialized variable in mvebu_get_tgt_attr()
  PCI: Add missing MEM_64 mask in pci_assign_unassigned_bridge_resources()
  PCI: Increase IBM ipr SAS Crocodile BARs to at least system page size
  PCI: Generate uppercase hex for modalias interface class
  rt2800: correct BBP1_TX_POWER_CTRL mask
  Revert "ath9k_hw: reduce ANI firstep range for older chips"
  Bluetooth: Fix HCI H5 corrupted ack value
  Bluetooth: Fix incorrect LE CoC PDU length restriction based on HCI MTU
  Bluetooth: Fix issue with USB suspend in btusb driver
  Bluetooth: Fix setting correct security level when initiating SMP
  mm: clear __GFP_FS when PF_MEMALLOC_NOIO is set
  fanotify: enable close-on-exec on events' fd when requested in fanotify_init()
  kernel: add support for gcc 5
  rtc-cmos: fix wakeup from S5 without CONFIG_PM_SLEEP
  futex: Ensure get_futex_key_refs() always implies a barrier
  powerpc/iommu/ddw: Fix endianness
  powerpc/eeh: Clear frozen device state in time
  ima: fix fallback to use new_sync_read()
  ima: provide flag to identify new empty files
  arm64: compat: fix compat types affecting struct compat_elf_prpsinfo
  ALSA: pcm: use the same dma mmap codepath both for arm and arm64
  ALSA: bebob: Fix failure to detect source of clock for Terratec Phase 88
  ALSA: emu10k1: Fix deadlock in synth voice lookup
  ALSA: ALC283 codec - Avoid pop noise on headphones during suspend/resume
  ALSA: usb-audio: Add support for Steinberg UR22 USB interface
  ALSA: hda - hdmi: Fix missing ELD change event on plug/unplug
  ALSA: hda - Fix inverted LED gpio setup for Lenovo Ideapad
  ALSA: hda - Add missing terminating entry to SND_HDA_PIN_QUIRK macro
  ARM: at91/dt: Fix typo regarding can0_clk
  ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings
  ARM: at91/PMC: don't forget to write PMC_PCDR register to disable clocks
  ARM: Kirkwood: Fix DT based DSA.
  ARM: mvebu: Netgear RN104: Use Hardware BCH ECC
  ARM: mvebu: Netgear RN2120: Use Hardware BCH ECC
  ARM: mvebu: Netgear RN102: Use Hardware BCH ECC
  ARM: dts: imx28-evk: Let i2c0 run at 100kHz
  ecryptfs: avoid to access NULL pointer when write metadata in xattr
  xfs: ensure WB_SYNC_ALL writeback handles partial pages correctly
  sparc64: Do not disable interrupts in nmi_cpu_busy()
  sparc64: Fix pcr_ops initialization and usage bugs.
  sparc32: dma_alloc_coherent must honour gfp flags
  sparc64: sun4v TLB error power off events
  sparc64: Fix corrupted thread fault code.
  sparc64: find_node adjustment
  sparc64: Move request_irq() from ldc_bind() to ldc_alloc()
  sparc: Let memset return the address argument
  sparc: bpf_jit: fix support for ldx/stx mem and SKF_AD_VLAN_TAG
  sparc: bpf_jit: fix loads from negative offsets
  sparc64: Fix reversed start/end in flush_tlb_kernel_range()
  sparc64: Fix lockdep warnings on reboot on Ultra-5
  sparc64: Fix FPU register corruption with AES crypto offload.
  sparc64: Do not define thread fpregs save area as zero-length array.
  sparc64: Fix hibernation code refrence to PAGE_OFFSET.
  sparc64: correctly recognise M6 and M7 cpu type
  sparc64: support M6 and M7 for building CPU distribution map
  sparc64: cpu hardware caps support for sparc M6 and M7
  sparc64: T5 PMU
  sparc64: Switch to 4-level page tables.
  sparc64: Define VA hole at run time, rather than at compile time.
  sparc64: Adjust KTSB assembler to support larger physical addresses.
  sparc64: Fix physical memory management regressions with large max_phys_bits.
  sparc64: Use kernel page tables for vmemmap.
  sparc64: Increase MAX_PHYS_ADDRESS_BITS to 53.
  sparc64: Adjust vmalloc region size based upon available virtual address bits.
  sparc64: sparse irq
  sparc64: Kill unnecessary tables and increase MAX_BANKS.
  sparc64: Increase size of boot string to 1024 bytes
  sparc64: Fix register corruption in top-most kernel stack frame during boot.
  sparc64: Implement __get_user_pages_fast().
  Linux 3.16.7

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