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

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https://bugs.launchpad.net/bugs/1741061

Title:
  Bionic update to v4.14.11 stable release

Status in linux package in Ubuntu:
  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 v4.14.11 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 from the v4.14.11 stable release shall be
  applied:

  tracing: Remove extra zeroing out of the ring buffer page
  tracing: Fix possible double free on failure of allocating trace buffer
  tracing: Fix crash when it fails to alloc ring buffer
  x86/cpufeatures: Add X86_BUG_CPU_INSECURE
  x86/mm/pti: Disable global pages if PAGE_TABLE_ISOLATION=y
  x86/mm/pti: Prepare the x86/entry assembly code for entry/exit CR3 switching
  x86/mm/pti: Add infrastructure for page table isolation
  x86/pti: Add the pti= cmdline option and documentation
  x86/mm/pti: Add mapping helper functions
  x86/mm/pti: Allow NX poison to be set in p4d/pgd
  x86/mm/pti: Allocate a separate user PGD
  x86/mm/pti: Populate user PGD
  x86/mm/pti: Add functions to clone kernel PMDs
  x86/mm/pti: Force entry through trampoline when PTI active
  x86/mm/pti: Share cpu_entry_area with user space page tables
  x86/entry: Align entry text section to PMD boundary
  x86/mm/pti: Share entry text PMD
  x86/mm/pti: Map ESPFIX into user space
  x86/cpu_entry_area: Add debugstore entries to cpu_entry_area
  x86/events/intel/ds: Map debug buffers in cpu_entry_area
  x86/mm/64: Make a full PGD-entry size hole in the memory map
  x86/pti: Put the LDT in its own PGD if PTI is on
  x86/pti: Map the vsyscall page if needed
  x86/mm: Allow flushing for future ASID switches
  x86/mm: Abstract switching CR3
  x86/mm: Use/Fix PCID to optimize user/kernel switches
  x86/mm: Optimize RESTORE_CR3
  x86/mm: Use INVPCID for __native_flush_tlb_single()
  x86/mm: Clarify the whole ASID/kernel PCID/user PCID naming
  x86/dumpstack: Indicate in Oops whether PTI is configured and enabled
  x86/mm/pti: Add Kconfig
  x86/mm/dump_pagetables: Add page table directory to the debugfs VFS hierarchy
  x86/mm/dump_pagetables: Check user space page table for WX pages
  x86/mm/dump_pagetables: Allow dumping current pagetables
  x86/ldt: Make the LDT mapping RO
  ring-buffer: Mask out the info bits when returning buffer page length
  ring-buffer: Do no reuse reader page if still in use
  iw_cxgb4: Only validate the MSN for successful completions
  ASoC: codecs: msm8916-wcd: Fix supported formats
  ASoC: wm_adsp: Fix validation of firmware and coeff lengths
  ASoC: da7218: fix fix child-node lookup
  ASoC: fsl_ssi: AC'97 ops need regmap, clock and cleaning up on failure
  ASoC: twl4030: fix child-node lookup
  ASoC: tlv320aic31xx: Fix GPIO1 register definition
  gpio: fix "gpio-line-names" property retrieval
  IB/hfi: Only read capability registers if the capability exists
  IB/mlx5: Serialize access to the VMA list
  IB/uverbs: Fix command checking as part of ib_uverbs_ex_modify_qp()
  IB/core: Verify that QP is security enabled in create and destroy
  ALSA: hda: Drop useless WARN_ON()
  ALSA: hda - Add MIC_NO_PRESENCE fixup for 2 HP machines
  ALSA: hda - change the location for one mic on a Lenovo machine
  ALSA: hda - fix headset mic detection issue on a Dell machine
  ALSA: hda - Fix missing COEF init for ALC225/295/299
  cpufreq: schedutil: Use idle_calls counter of the remote CPU
  block: fix blk_rq_append_bio
  block: don't let passthrough IO go into .make_request_fn()
  kbuild: add '-fno-stack-check' to kernel build options
  ipv4: igmp: guard against silly MTU values
  ipv6: mcast: better catch silly mtu values
  net: fec: unmap the xmit buffer that are not transferred by DMA
  net: igmp: Use correct source address on IGMPv3 reports
  netlink: Add netns check on taps
  net: qmi_wwan: add Sierra EM7565 1199:9091
  net: reevalulate autoflowlabel setting after sysctl setting
  ptr_ring: add barriers
  RDS: Check cmsg_len before dereferencing CMSG_DATA
  tcp_bbr: record "full bw reached" decision in new full_bw_reached bit
  tcp md5sig: Use skb's saddr when replying to an incoming segment
  tg3: Fix rx hang on MTU change with 5717/5719
  tcp_bbr: reset full pipe detection on loss recovery undo
  tcp_bbr: reset long-term bandwidth sampling on loss recovery undo
  s390/qeth: apply takeover changes when mode is toggled
  s390/qeth: don't apply takeover changes to RXIP
  s390/qeth: lock IP table while applying takeover changes
  s390/qeth: update takeover IPs after configuration change
  net: ipv4: fix for a race condition in raw_sendmsg
  net: mvmdio: disable/unprepare clocks in EPROBE_DEFER case
  sctp: Replace use of sockets_allocated with specified macro.
  adding missing rcu_read_unlock in ipxip6_rcv
  ip6_gre: fix device features for ioctl setup
  ipv4: Fix use-after-free when flushing FIB tables
  net: bridge: fix early call to br_stp_change_bridge_id and plug newlink leaks
  net: Fix double free and memory corruption in get_net_ns_by_id()
  net: phy: micrel: ksz9031: reconfigure autoneg after phy autoneg workaround
  sock: free skb in skb_complete_tx_timestamp on error
  tcp: invalidate rate samples during SACK reneging
  net/mlx5: Fix rate limit packet pacing naming and struct
  net/mlx5e: Fix possible deadlock of VXLAN lock
  net/mlx5e: Fix features check of IPv6 traffic
  net/mlx5e: Add refcount to VXLAN structure
  net/mlx5e: Prevent possible races in VXLAN control flow
  net/mlx5: Fix error flow in CREATE_QP command
  openvswitch: Fix pop_vlan action for double tagged frames
  sfc: pass valid pointers from efx_enqueue_unwind
  net: dsa: bcm_sf2: Clear IDDQ_GLOBAL_PWR bit for PHY
  s390/qeth: fix error handling in checksum cmd callback
  sctp: make sure stream nums can match optlen in sctp_setsockopt_reset_streams
  tipc: fix hanging poll() for stream sockets
  mlxsw: spectrum: Disable MAC learning for ovs port
  tcp: fix potential underestimation on rcv_rtt
  net: phy: marvell: Limit 88m1101 autoneg errata to 88E1145 as well.
  ipv6: Honor specified parameters in fibmatch lookup
  tcp: refresh tcp_mstamp from timers callbacks
  net/mlx5: FPGA, return -EINVAL if size is zero
  vxlan: restore dev->mtu setting based on lower device
  net: sched: fix static key imbalance in case of ingress/clsact_init error
  bnxt_en: Fix sources of spurious netpoll warnings
  phylink: ensure the PHY interface mode is appropriately set
  phylink: ensure AN is enabled
  ipv4: fib: Fix metrics match when deleting a route
  ipv6: set all.accept_dad to 0 by default
  Revert "mlx5: move affinity hints assignments to generic code"
  skbuff: orphan frags before zerocopy clone
  skbuff: skb_copy_ubufs must release uarg even without user frags
  skbuff: in skb_copy_ubufs unclone before releasing zerocopy
  sparc64: repair calling incorrect hweight function from stubs
  usbip: fix usbip bind writing random string after command in match_busid
  usbip: prevent leaking socket pointer address in messages
  usbip: stub: stop printing kernel pointer addresses in messages
  usbip: vhci: stop printing kernel pointer addresses in messages
  USB: chipidea: msm: fix ulpi-node lookup
  USB: serial: ftdi_sio: add id for Airbus DS P8GR
  USB: serial: qcserial: add Sierra Wireless EM7565
  USB: serial: option: add support for Telit ME910 PID 0x1101
  USB: serial: option: adding support for YUGA CLM920-NC5
  usb: Add device quirk for Logitech HD Pro Webcam C925e
  usb: add RESET_RESUME for ELSA MicroLink 56K
  USB: Fix off by one in type-specific length check of BOS SSP capability
  usb: xhci: Add XHCI_TRUST_TX_LENGTH for Renesas uPD720201
  timers: Use deferrable base independent of base::nohz_active
  timers: Invoke timer_start_debug() where it makes sense
  timers: Reinitialize per cpu bases on hotplug
  binder: fix proc->files use-after-free
  phy: tegra: fix device-tree node lookups
  drivers: base: cacheinfo: fix cache type for non-architected system cache
  staging: android: ion: Fix dma direction for dma_sync_sg_for_cpu/device
  nohz: Prevent a timer interrupt storm in tick_nohz_stop_sched_tick()
  x86/smpboot: Remove stale TLB flush invocations
  x86/mm: Remove preempt_disable/enable() from __native_flush_tlb()
  x86-32: Fix kexec with stack canary (CONFIG_CC_STACKPROTECTOR)
  x86/espfix/64: Fix espfix double-fault handling on 5-level systems
  x86/ldt: Plug memory leak in error path
  x86/ldt: Make LDT pgtable free conditional
  n_tty: fix EXTPROC vs ICANON interaction with TIOCINQ (aka FIONREAD)
  tty: fix tty_ldisc_receive_buf() documentation
  Linux 4.14.11

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