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[Luis Henriques <luis.henriques@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu Trusty)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1526820

Title:
  Trusty update to 3.16.7-ckt21 stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Trusty:
  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 3.16.7-ckt21 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 3.16.7-ckt21 stable release:

  irda: precedence bug in irlmp_seq_hb_idx()
  macvtap: unbreak receiving of gro skb with frag list
  RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv
  stmmac: Correctly report PTP capabilities.
  ipmr: fix possible race resulting from improper usage of IP_INC_STATS_BH() in preemptible context.
  net: qmi_wwan: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
  qmi_wwan: fix entry for HP lt4112 LTE/HSPA+ Gobi 4G Module
  sit: fix sit0 percpu double allocations
  packet: race condition in packet_bind
  net: avoid NULL deref in inet_ctl_sock_destroy()
  net: fix a race in dst_release()
  Failing to send a CLOSE if file is opened WRONLY and server reboots on a 4.x mount
  x86/xen: Do not clip xen_e820_map to xen_e820_map_entries when sanitizing map
  HID: core: Avoid uninitialized buffer access
  [media] v4l2-compat-ioctl32: fix alignment for ARM64
  net: mvneta: Fix CPU_MAP registers initialisation
  mtd: mtdpart: fix add_mtd_partitions error path
  ARM: 8426/1: dma-mapping: add missing range check in dma_mmap()
  ARM: 8427/1: dma-mapping: add support for offset parameter in dma_mmap()
  spi: ti-qspi: Fix data corruption seen on r/w stress test
  lockd: create NSM handles per net namespace
  Btrfs: fix file corruption and data loss after cloning inline extents
  ARM: common: edma: Fix channel parameter for irq callbacks
  iommu/vt-d: Fix ATSR handling for Root-Complex integrated endpoints
  Btrfs: fix truncation of compressed and inlined extents
  ext4: fix potential use after free in __ext4_journal_stop
  [PATCH] fix calculation of meta_bg descriptor backups
  ext4, jbd2: ensure entering into panic after recording an error in superblock
  vTPM: fix memory allocation flag for rtce buffer at kernel boot
  spi: dw: explicitly free IRQ handler in dw_spi_remove_host()
  [media] media: vb2 dma-contig: Fully cache synchronise buffers in prepare and finish
  Bluetooth: hidp: fix device disconnect on idle timeout
  Bluetooth: ath3k: Add new AR3012 0930:021c id
  Bluetooth: ath3k: Add support of AR3012 0cf3:817b device
  spi: atmel: Fix DMA-setup for transfers with more than 8 bits per word
  USB: qcserial: add Sierra Wireless MC74xx/EM74xx
  staging: rtl8712: Add device ID for Sitecom WLA2100
  ACPI: Use correct IRQ when uninstalling ACPI interrupt handler
  ALSA: hda/realtek - Dell XPS one ALC3260 speaker no sound after resume back
  MAINTAINERS: Add public mailing list for ARC
  megaraid_sas: Do not use PAGE_SIZE for max_sectors
  KVM: s390: SCA must not cross page boundaries
  arm64: Fix compat register mappings
  can: Use correct type in sizeof() in nla_put()
  mtd: blkdevs: fix potential deadlock + lockdep warnings
  Revert "dm mpath: fix stalls when handling invalid ioctls"
  drm/i915: add quirk to enable backlight on Dell Chromebook 11 (2015)
  crypto: algif_hash - Only export and import on sockets with data
  xtensa: fixes for configs without loop option
  megaraid_sas : SMAP restriction--do not access user memory from IOCTL code
  mac80211: fix divide by zero when NOA update
  mac80211: allow null chandef in tracing
  xtensa: fix secondary core boot in SMP
  recordmcount: Fix endianness handling bug for nop_mcount
  KVM: VMX: fix SMEP and SMAP without EPT
  thermal: exynos: Fix unbalanced regulator disable on probe failure
  ALSA: hda - Apply pin fixup for HP ProBook 6550b
  ALSA: hda - Add Intel Lewisburg device IDs Audio
  firewire: ohci: fix JMicron JMB38x IT context discovery
  scsi: restart list search after unlock in scsi_remove_target
  mm: slab: only move management objects off-slab for sizes larger than KMALLOC_MIN_SIZE
  Input: elantech - add Fujitsu Lifebook U745 to force crc_enabled
  proc: actually make proc_fd_permission() thread-friendly
  x86/setup: Extend low identity map to cover whole kernel range
  x86/setup: Fix low identity map for >= 2GB kernel range
  x86/cpu: Call verify_cpu() after having entered long mode too
  Btrfs: fix race leading to incorrect item deletion when dropping extents
  Btrfs: fix race leading to BUG_ON when running delalloc for nodatacow
  perf: Fix inherited events vs. tracepoint filters
  scsi_sysfs: Fix queue_ramp_up_period return code
  Btrfs: fix race when listing an inode's xattrs
  ideapad-laptop: Add Lenovo Yoga 900 to no_hw_rfkill dmi list
  storvsc: Don't set the SRB_FLAGS_QUEUE_ACTION_ENABLE flag
  drivers: of: of_reserved_mem: fixup the alignment with CMA setup
  drm/ast: Initialized data needed to map fbdev memory
  FS-Cache: Increase reference of parent after registering, netfs success
  FS-Cache: Don't override netfs's primary_index if registering failed
  binfmt_elf: Don't clobber passed executable's file header
  fs/pipe.c: return error code rather than 0 in pipe_write()
  splice: sendfile() at once fails for big files
  mac80211: fix driver RSSI event calculations
  wm831x_power: Use IRQF_ONESHOT to request threaded IRQs
  mwifiex: fix mwifiex_rdeeprom_read()
  dmaengine: dw: convert to __ffs()
  usb: ehci-orion: fix probe for !GENERIC_PHY
  devres: fix a for loop bounds check
  netfilter: remove dead code
  ipv4: Fix ip_queue_xmit to pass sk into ip_local_out_sk
  packet: fix match_fanout_group()
  hsi: fix double kfree
  hsi: omap_ssi_port: Prevent warning if cawake_gpio is not defined.
  ARM: pxa: remove incorrect __init annotation on pxa27x_set_pwrmode
  ALSA: fireworks/bebob/oxfw/dice: enable to make as built-in
  drm: Fix return value of drm_framebuffer_init()
  ALSA: fireworks: use u32 type for be32_to_cpup() macro
  ALSA: bebob: use correct type for __be32 data
  tcp: apply Kern's check on RTTs used for congestion control
  clk: versatile-icst: fix memory leak
  MIPS: atomic: Fix comment describing atomic64_add_unless's return value.
  mfd: twl6040: Fix deferred probe handling for clk32k
  of/fdt: fix error checking for earlycon address
  netfilter: nfnetlink: don't probe module if it exists
  xprtrdma: Re-arm after missed events
  ceph: fix message length computation
  ipv6: fix tunnel error handling
  perf trace: Fix documentation for -i
  bonding: fix panic on non-ARPHRD_ETHER enslave failure
  rtc: ds1307: Fix alarm programming for mcp794xx
  TPM: Avoid reference to potentially freed memory
  xtensa: nommu: provide _PAGE_CHG_MASK definition
  md/raid0: update queue parameter in a safer location.
  md/raid0: apply base queue limits *before* disk_stack_limits
  drm/radeon: add quirk for MSI R7 370
  drm/radeon: add quirk for ASUS R7 370
  drm/radeon: fix quirk for MSI R7 370 Armor 2X
  tty: fix stall caused by missing memory barrier in drivers/tty/n_tty.c
  fs/proc, core/debug: Don't expose absolute kernel addresses via wchan
  ALSA: hda - Disable 64bit address for Creative HDA controllers
  printk: prevent userland from spoofing kernel messages
  FS-Cache: Handle a write to the page immediately beyond the EOF marker
  Linux 3.16.7-ckt21

  The following patches from 3.16.7-ckt21 were already applied to the
  utopic kernel:

  
  KVM: x86: Defining missing x86 vectors
  KVM: x86: work around infinite loop in microcode when #AC is delivered
  KVM: svm: unconditionally intercept #DB

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