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[Launchpad Bug Tracker <1537859@xxxxxxxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1537859

Title:
  Vivid update to 3.19.8-ckt13 stable release

Status in linux package in Ubuntu:
  New
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 a mainline/stable Linux tree or
         a minimally backported form of that patch. The 3.19.8-ckt13 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 3.19.8-ckt13 stable release
  shall be applied:

  Linux 3.19.8-ckt13
  firmware: dmi_scan: Fix UUID endianness for SMBIOS >= 2.6
  kvm: x86: only channel 0 of the i8254 is linked to the HPET
  net: possible use after free in dst_release
  net: sched: fix missing free per cpu on qstats
  net: filter: make JITs zero A for SKF_AD_ALU_XOR_X
  ASoC: Use nested lock for snd_soc_dapm_mutex_lock
  ipv6/addrlabel: fix ip6addrlbl_get()
  include/linux/mmdebug.h: should include linux/bug.h
  net/mlx4_en: Fix HW timestamp init issue upon system startup
  net/mlx4_en: Remove dependency between timestamping capability and service_task
  net: fix warnings in 'make htmldocs' by moving macro definition out of field declaration
  ser_gigaset: fix deallocation of platform device structure
  qlcnic: fix a timeout loop
  amd-xgbe: fix a couple timeout loops
  mISDN: fix a loop count
  sh_eth: fix TX buffer byte-swapping
  net: phy: mdio-mux: Check return value of mdiobus_alloc()
  pinctrl: bcm2835: Fix initial value for direction_output
  sctp: start t5 timer only when peer rwnd is 0 and local state is SHUTDOWN_PENDING
  sctp: convert sack_needed and sack_generation to bits
  usb: musb: USB_TI_CPPI41_DMA requires dmaengine support
  vmstat: allocate vmstat_wq before it is used
  ftrace/module: Call clean up function when module init fails early
  dts: vt8500: Add SDHC node to DTS file for WM8650
  async_tx: use GFP_NOWAIT rather than GFP_IO
  ARM: versatile: fix MMC/SD interrupt assignment
  tile: provide CONFIG_PAGE_SIZE_64KB etc for tilepro
  tracing: Fix setting of start_index in find_next()
  ftrace/scripts: Fix incorrect use of sprintf in recordmcount
  mm/memory_hotplug.c: check for missing sections in test_pages_in_a_zone()
  ocfs2: fix BUG when calculate new backup super
  [PATCH] arm: fix handling of F_OFD_... in oabi_fcntl64()
  ASoC: arizona: Fix bclk for sample rates that are multiple of 4kHz
  MIPS: uaccess: Fix strlen_user with EVA
  ALSA: hda/realtek - Fix silent headphone output on MacPro 4,1 (v2)
  parisc: Fix syscall restarts
  i2c: rcar: disable runtime PM correctly in slave mode
  x86/mce: Ensure offline CPUs don't participate in rendezvous process
  USB: fix invalid memory access in hub_activate()
  USB: ipaq.c: fix a timeout loop
  [media] airspy: increase USB control message buffer size
  s390/dis: Fix handling of format specifiers
  ALSA: hda - Set SKL+ hda controller power at freeze() and thaw()
  powerpc/powernv: pr_warn_once on unsupported OPAL_MSG type
  ARC: dw2 unwind: Ignore CIE version !=1 gracefully instead of bailing
  ARC: dw2 unwind: Reinstante unwinding out of modules
  ftrace/scripts: Have recordmcount copy the object file
  dma-debug: Fix dma_debug_entry offset calculation
  scripts: recordmcount: break hardlinks
  spi: fix parent-device reference leak
  ALSA: hda - Add a fixup for Thinkpad X1 Carbon 2nd
  ARM: 8471/1: need to save/restore arm register(r11) when it is corrupted
  ARM: dts: imx6: Fix Ethernet PHY mode on Ventana boards
  ALSA: usb-audio: Add a more accurate volume quirk for AudioQuest DragonFly
  genirq: Prevent chip buslock deadlock
  tty: Fix GPF in flush_to_ldisc()
  n_tty: Fix poll() after buffer-limited eof push read
  ASoC: wm8974: set cache type for regmap
  sh64: fix __NR_fgetxattr
  ocfs2: fix SGID not inherited issue
  drivers/base/memory.c: prohibit offlining of memory blocks with missing sections
  mm: hugetlb: call huge_pte_alloc() only if ptep is null
  mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't make any progress
  vmstat: Reduce time interval to stat update on idle cpu
  mm: hugetlb: fix hugepage memory leak caused by wrong reserve count
  parisc iommu: fix panic due to trying to allocate too large region
  powercap / RAPL: fix BIOS lock check
  USB: add quirk for devices with broken LPM
  xhci: fix usb2 resume timing and races.
  ses: fix additional element traversal bug
  ARM: dts: vf610: use reset values for L2 cache latencies
  ASoC: davinci-mcasp: Fix XDATA check in mcasp_start_tx
  vgaarb: fix signal handling in vga_get()
  ses: Fix problems with simple enclosures
  dm btree: fix bufio buffer leaks in dm_btree_del() error path
  rfkill: copy the name into the rfkill struct
  KVM: PPC: Book3S HV: Prohibit setting illegal transaction state in MSR
  ASoC: es8328: Fix deemphasis values
  ipmi: move timer init to before irq is setup
  dm space map metadata: fix ref counting bug when bootstrapping a new space map
  dm thin metadata: fix bug when taking a metadata snapshot
  ALSA: hda - Fix noise problems on Thinkpad T440s
  crypto: skcipher - Copy iv from desc even for 0-len walks
  video: fbdev: fsl: Fix kernel crash when diu_ops is not implemented
  radeon: Fix VCE IB test on Big-Endian systems
  radeon: Fix VCE ring test for Big-Endian systems
  radeon/cik: Fix GFX IB test on Big-Endian
  9p: ->evict_inode() should kick out ->i_data, not ->i_mapping
  ALSA: hda - Fixing speaker noise on the two latest thinkpad models
  IB/srp: Fix possible send queue overflow
  IB/srp: Fix a memory leak
  virtio: fix memory leak of virtio ida cache layers
  vhost: relax log address alignment
  ALSA: hda - Add inverted dmic for Packard Bell DOTS
  dmaengine: at_xdmac: fix macro typo
  net: mvpp2: fix refilling BM pools in RX path
  net: mvpp2: fix buffers' DMA handling on RX path
  net: mvpp2: fix missing DMA region unmap in egress processing
  ALSA: rme96: Fix unexpected volume reset after rate changes
  usb: xhci: fix config fail of FS hub behind a HS hub with MTT
  perf: Fix PERF_EVENT_IOC_PERIOD deadlock
  ARM: 8465/1: mm: keep reserved ASIDs in sync with mm after multiple rollovers
  dm btree: fix leak of bufio-backed block in btree_split_sibling error path
  xen/events/fifo: Consume unprocessed events when a CPU dies
  usb: Use the USB_SS_MULT() macro to decode burst multiplier for log message
  USB: whci-hcd: add check for dma mapping error
  usb: core : hub: Fix BOS 'NULL pointer' kernel panic
  irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB
  staging: lustre: echo_copy.._lsm() dereferences userland pointers directly
  usb-storage: Fix scsi-sd failure "Invalid field in cdb" for USB adapter JMicron
  sata_sil: disable trim
  AHCI: Fix softreset failed issue of Port Multiplier
  i2c: mv64xxx: The n clockdiv factor is 0 based on sunxi SoCs
  drm/ttm: Fixed a read/write lock imbalance
  jbd2: Fix unreclaimed pages after truncate in data=journal mode
  ext4: Fix handling of extended tv_sec
  USB: cdc_acm: Ignore Infineon Flash Loader utility
  USB: cp210x: Remove CP2110 ID from compatibility list
  iio: fix some warning messages
  usb: gadget: pxa27x: fix suspend callback
  fuse: break infinite loop in fuse_fill_write_pages()
  efi: Disable interrupts around EFI calls, not in the epilog/prolog calls
  tools: Add a "make all" rule
  KEYS: Fix race between read and revoke
  af_unix: Revert 'lock_interruptible' in stream receive code
  fou: clean up socket with kfree_rcu
  bluetooth: Validate socket address length in sco_sock_bind().
  pptp: verify sockaddr_len in pptp_bind() and pptp_connect()
  skbuff: Fix offset error in skb_reorder_vlan_header
  vlan: Fix untag operations of stacked vlans with REORDER_HEADER off
  net: fix IP early demux races
  sh_eth: fix kernel oops in skb_put()
  net: add validation for the socket syscall protocol argument
  ipv6: sctp: clone options to avoid use after free
  net: qca_spi: fix transmit queue timeout handling
  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
  atl1c: Improve driver not to do order 4 GFP_ATOMIC allocation
  gre6: allow to update all parameters via rtnl
  ip6mr: call del_timer_sync() in ip6mr_free_table()
  ARC: Fix silly typo in MAINTAINERS file
  sched/wait: Fix the signal handling fix
  sched/wait: Fix signal handling in bit wait helpers

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