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[Launchpad Bug Tracker <1515540@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-37.42

---------------
linux (3.19.0-37.42) vivid; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1518406

  [ K. Y. Srinivasan ]

  * SAUCE: Drivers: hv: vmbus: Fix a Host signaling bug
    - LP: #1508706

 -- Kamal Mostafa <kamal@xxxxxxxxxxxxx>  Fri, 20 Nov 2015 09:49:10 -0800

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

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https://bugs.launchpad.net/bugs/1515540

Title:
  Vivid update to 3.19.8-ckt8 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Vivid:
  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 Linus' tree or in a minimally
         backported form of that patch. The 3.19.8-ckt8 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-ckt8 stable release:

  sctp: fix race on protocol/netns initialization
  [media] v4l: omap3isp: Fix sub-device power management code
  [media] rc-core: fix remove uevent generation
  HID: cp2112: fix I2C_SMBUS_BYTE write
  HID: cp2112: fix byte order in SMBUS operations
  xtensa: fix threadptr reload on return to userspace
  ARM: OMAP2+: DRA7: clockdomain: change l4per2_7xx_clkdm to SW_WKUP
  mac80211: enable assoc check for mesh interfaces
  rtlwifi: rtl8821ae: Fix an expression that is always false
  PCI: Add dev_flags bit to access VPD through function 0
  PCI: Add VPD function 0 quirk for Intel Ethernet devices
  staging: comedi: usbduxsigma: don't clobber ai_timer in command test
  staging: comedi: usbduxsigma: don't clobber ao_timer in command test
  clk: exynos4: Fix wrong clock for Exynos4x12 ADC
  USB: pl2303: fix baud-rate divisor calculations
  usb: dwc3: ep0: Fix mem corruption on OUT transfers of more than 512 bytes
  usb: gadget: f_uac2: finalize wMaxPacketSize according to bandwidth
  Doc: ABI: testing: configfs-usb-gadget-loopback
  Doc: ABI: testing: configfs-usb-gadget-sourcesink
  KVM: MMU: fix validation of mmio page fault
  auxdisplay: ks0108: fix refcount
  devres: fix devres_get()
  iio: adis16400: Fix adis16448 gyroscope scale
  iio: Add inverse unit conversion macros
  iio: adis16480: Fix scale factors
  ideapad-laptop: Add Lenovo Yoga 3 14 to no_hw_rfkill dmi list
  ASoC: rt5640: fix line out no sound issue
  iio: bmg160: IIO_BUFFER and IIO_TRIGGERED_BUFFER are required
  iio: industrialio-buffer: Fix iio_buffer_poll return value
  iio: event: Remove negative error code from iio_event_poll
  NFSv4: don't set SETATTR for O_RDONLY|O_EXCL
  unshare: Unsharing a thread does not require unsharing a vm
  fs: Set the size of empty dirs to 0.
  x86/mce: Reenable CMCI banks when swiching back to interrupt mode
  ASoC: adav80x: Remove .read_flag_mask setting from adav80x_regmap_config
  regulator: pbias: Fix broken pbias disable functionality
  drivers: usb :fsl: Implement Workaround for USB Erratum A007792
  drivers: usb: fsl: Workaround for USB erratum-A005275
  serial: 8250: don't bind to SMSC IrCC IR port
  serial: 8250: bind to ALi Fast Infrared Controller (ALI5123)
  staging: comedi: adl_pci7x3x: fix digital output on PCI-7230
  ext4: don't manipulate recovery flag when freezing no-journal fs
  blk-mq: fix buffer overflow when reading sysfs file of 'pending'
  blk-mq: fix race between timeout and freeing request
  xtensa: fix kernel register spilling
  NFS: nfs_set_pgio_error sometimes misses errors
  NFS: Fix a NULL pointer dereference of migration recovery ops for v4.2 client
  usb: host: ehci-sys: delete useless bus_to_hcd conversion
  USB: symbolserial: Use usb_get_serial_port_data
  USB: ftdi_sio: Added custom PID for CustomWare products
  USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
  igb: Fix oops caused by missing queue pairing
  HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error
  eCryptfs: Invalidate dcache entries when lower i_nlink is zero
  libxfs: readahead of dir3 data blocks should use the read verifier
  xfs: Fix xfs_attr_leafblock definition
  s390/setup: fix novx parameter
  arm64: kconfig: Move LIST_POISON to a safe value
  ASoC: arizona: Fix gain settings of FLL in free-run mode
  Btrfs: check if previous transaction aborted to avoid fs corruption
  ASoC: samsung: Remove redundant arndale_audio_remove
  ARM: orion5x: fix legacy orion5x IRQ numbers
  DRM - radeon: Don't link train DisplayPort on HPD until we get the dpcd
  PCI: Disable async suspend/resume for JMicron multi-function SATA/AHCI
  xfs: Fix file type directory corruption for btree directories
  sched: Fix cpu_active_mask/cpu_online_mask race
  rtlwifi: rtl8192cu: Add new device ID
  of/address: Don't loop forever in of_find_matching_node_by_address().
  drivercore: Fix unregistration path of platform devices
  arm64: flush FP/SIMD state correctly after execve()
  clk: s5pv210: add missing call to samsung_clk_of_add_provider()
  xfs: return errors from partial I/O failures to files
  ALSA: usb-audio: correct the value cache check.
  IB/qib: Change lkey table allocation to support more MRs
  pinctrl: at91: fix null pointer dereference
  IB/srp: Handle partial connection success correctly
  IB/srp: Stop the scsi_eh_<n> and scsi_tmf_<n> threads if login fails
  spi: sh-msiof: Fix FIFO size to 64 word from 256 word
  drm/i915: Check DP link status on long hpd too
  drm/i915: apply the PCI_D0/D3 hibernation workaround everywhere on pre GEN6
  drm/radeon/atom: Send out the full AUX address
  net: sunrpc: fix tracepoint Warning: unknown op '->'
  nfsd: ensure that the ol stateid hash reference is only put once
  nfsd: ensure that delegation stateid hash references are only put once
  tg3: Fix temperature reporting
  drm/i915: Always mark the object as dirty when used by the GPU
  Add radeon suspend/resume quirk for HP Compaq dc5750.
  IB/uverbs: reject invalid or unknown opcodes
  hpfs: update ctime and mtime on directory modification
  Input: evdev - do not report errors form flush()
  crypto: ghash-clmulni: specify context size for ghash async algorithm
  mm: check if section present during memory block registering
  fs: create and use seq_show_option for escaping
  ALSA: hda - Enable headphone jack detect on old Fujitsu laptops
  ALSA: hda - Use ALC880_FIXUP_FUJITSU for FSC Amilo M1437
  rtc: s5m: fix to update ctrl register
  scsi: fix scsi_error_handler vs. scsi_host_dev_release race
  PCI,parisc: Enable 64-bit bus addresses on PA-RISC
  parisc: Use double word condition in 64bit CAS operation
  vmscan: fix increasing nr_isolated incurred by putback unevictable pages
  drm/i915: Limit the number of loops for reading a split 64bit register
  watchdog: sunxi: fix activation of system reset
  hfs,hfsplus: cache pages correctly between bnode_create and bnode_free
  hfs: fix B-tree corruption after insertion at position 0
  lib/decompressors: use real out buf size for gunzip with kernel
  drm/qxl: validate monitors config modes
  pcmcia: sa11x0: fix missing clk_put() in sa11x0 socket drivers
  PCI: Fix TI816X class code quirk
  pinctrl: single: dra7: remove PCS_QUIRK_SHARED_IRQ
  PM / clk: don't return int on __pm_clk_enable()
  x86/mm: Initialize pmd_idx in page_table_range_init_count()
  net: bcmgenet: Use correct dev_id for free_irq
  net: bcmgenet: Delay PHY initialization to bcmgenet_open()
  net: dsa: bcm_sf2: Do not override speed settings
  powerpc/rtas: Introduce rtas_get_sensor_fast() for IRQ handlers
  clk: qcom: Set CLK_SET_RATE_PARENT on ce1 clocks
  jbd2: avoid infinite loop when destroying aborted journal
  clk: versatile: off by one in clk_sp810_timerclken_of_get()
  usb: gadget: m66592-udc: forever loop in set_feature()
  windfarm: decrement client count when unregistering
  perf hists: Update the column width for the "srcline" sort key
  batman-adv: Fix potentially broken skb network header access
  powerpc/mm: Fix pte_pagesize_index() crash on 4K w/64K hash
  mtd: pxa3xx_nand: add a default chunk size
  bridge: fix netlink max attr size
  KVM: PPC: Book3S HV: Fix race in reading change bit when removing HPTE
  ath10k: fix dma_mapping_error() handling
  mmc: sdhci: also get preset value and driver type for MMC_DDR52
  perf stat: Get correct cpu id for print_aggr
  ASoC: spear_pcm: Use devm_snd_dmaengine_pcm_register to fix resource leak
  IB/mlx4: Fix potential deadlock when sending mad to wire
  IB/mlx4: Forbid using sysfs to change RoCE pkeys
  IB/mlx4: Use correct SL on AH query under RoCE
  IB/iser: Fix missing return status check in iser_send_data_out
  IB/iser: Fix possible bogus DMA unmapping
  IB/uverbs: Fix race between ib_uverbs_open and remove_one
  mmc: core: fix race condition in mmc_wait_data_done
  drm/i915: Preserve SSC earlier
  sock, diag: fix panic in sock_diag_put_filterinfo
  ipv6: fix exthdrs offload registration in out_rt path
  cpufreq: dt: Tolerance applies on both sides of target voltage
  IB/mlx5: avoid destroying a NULL mr in reg_user_mr error flow
  task_work: remove fifo ordering guarantee
  ebpf: fix fd refcount leaks related to maps in bpf syscall
  net: dsa: bcm_sf2: Fix 64-bits register writes
  thermal: exynos: Disable the regulator on probe failure
  svcrdma: Fix send_reply() scatter/gather set-up
  batman-adv: Make DAT capability changes atomic
  batman-adv: Make NC capability changes atomic
  netlink, mmap: fix edge-case leakages in nf queue zero-copy
  scsi_dh: fix randconfig build error
  fs: if a coredump already exists, unlink and recreate with O_EXCL
  Linux 3.19.8-ckt8

  The following patches from 3.19.8-ckt8 were already in the Vivid
  kernel:

  USB: whiteheat: fix potential null-deref at probe
  dcache: Handle escaped paths in prepend_path
  vfs: Test for and handle paths that are unreachable from their mnt_root
  serial: 8250_pci: Add support for Pericom PI7C9X795[1248]
  mmc: sdhci-pci: set the clear transfer mode register quirk for O2Micro

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