Xenial update to 4.4.84 stable release

[Stefan Bader]

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 4.4.84 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 4.4.84 stable release shall be applied:
* audit: Fix use after free in audit_remove_watch_rule()
* parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
* crypto: x86/sha1 - Fix reads beyond the number of blocks passed
* Input: elan_i2c - add ELAN0608 to the ACPI table
* Input: elan_i2c - Add antoher Lenovo ACPI ID for upcoming Lenovo NB
* ALSA: seq: 2nd attempt at fixing race creating a queue
* ALSA: usb-audio: Apply sample rate quirk to Sennheiser headset
* ALSA: usb-audio: Add mute TLV for playback volumes on C-Media devices
* mm/mempolicy: fix use after free when calling get_mempolicy
* mm: revert x86_64 and arm64 ELF_ET_DYN_BASE base changes
* xen: fix bio vec merging
* x86/asm/64: Clear AC on NMI entries
* irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
* irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
* Sanitize 'move_pages()' permission checks
* pids: make task_tgid_nr_ns() safe
* perf/x86: Fix LBR related crashes on Intel Atom
* usb: optimize acpi companion search for usb port devices
* usb: qmi_wwan: add D-Link DWM-222 device ID
* Linux 4.4.84

[Stefan Bader (smb)]

Skipped "netfilter: nf_ct_ext: fix possible panic after nf_ct_extend_unregister" because it was already applied for bug #1713729 Creating conntrack entry failure with kernel 4.4.0-89.

Adjusted file to patch of "perf/x86: Fix LBR related crashes on Intel Atom" to match changes introduced by bug #1559914 Disable multi-record PEBS on Merom. Patch did apply cleanly to new location.

[Stefan Bader (smb)]

Additionally had to revert "UBUNTU: SAUCE: (no-up) ALSA: usb-audio: Add quirk for sennheiser officerunner" which was applied for bug #1642572 because the same USB ID was now added by "ALSA: usb-audio: Apply sample rate quirk to Sennheiser headset".

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.4.0-97.120

---------------
linux (4.4.0-97.120) xenial; urgency=low

  * linux: 4.4.0-97.120 -proposed tracker (LP: #1718149)

  * blk-mq: possible deadlock on CPU hot(un)plug (LP: #1670634)
    - [Config] s390x -- disable CONFIG_{DM, SCSI}_MQ_DEFAULT

  * Xenial update to 4.4.87 stable release (LP: #1715678)
    - irqchip: mips-gic: SYNC after enabling GIC region
    - i2c: ismt: Don't duplicate the receive length for block reads
    - i2c: ismt: Return EMSGSIZE for block reads with bogus length
    - ceph: fix readpage from fscache
    - cpumask: fix spurious cpumask_of_node() on non-NUMA multi-node configs
    - cpuset: Fix incorrect memory_pressure control file mapping
    - alpha: uapi: Add support for __SANE_USERSPACE_TYPES__
    - CIFS: remove endian related sparse warning
    - wl1251: add a missing spin_lock_init()
    - xfrm: policy: check policy direction value
    - drm/ttm: Fix accounting error when fail to get pages for pool
    - kvm: arm/arm64: Fix race in resetting stage2 PGD
    - kvm: arm/arm64: Force reading uncached stage2 PGD
    - epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()
    - crypto: algif_skcipher - only call put_page on referenced and used pages
    - Linux 4.4.87

  * Xenial update to 4.4.86 stable release (LP: #1715430)
    - scsi: isci: avoid array subscript warning
    - ALSA: au88x0: Fix zero clear of stream->resources
    - btrfs: remove duplicate const specifier
    - i2c: jz4780: drop superfluous init
    - gcov: add support for gcc version >= 6
    - gcov: support GCC 7.1
    - lightnvm: initialize ppa_addr in dev_to_generic_addr()
    - p54: memset(0) whole array
    - lpfc: Fix Device discovery failures during switch reboot test.
    - arm64: mm: abort uaccess retries upon fatal signal
    - x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl
    - arm64: fpsimd: Prevent registers leaking across exec
    - scsi: sg: protect accesses to 'reserved' page array
    - scsi: sg: reset 'res_in_use' after unlinking reserved array
    - drm/i915: fix compiler warning in drivers/gpu/drm/i915/intel_uncore.c
    - Linux 4.4.86

  * Xenial update to 4.4.85 stable release (LP: #1714298)
    - af_key: do not use GFP_KERNEL in atomic contexts
    - dccp: purge write queue in dccp_destroy_sock()
    - dccp: defer ccid_hc_tx_delete() at dismantle time
    - ipv4: fix NULL dereference in free_fib_info_rcu()
    - net_sched/sfq: update hierarchical backlog when drop packet
    - ipv4: better IP_MAX_MTU enforcement
    - sctp: fully initialize the IPv6 address in sctp_v6_to_addr()
    - tipc: fix use-after-free
    - ipv6: reset fn->rr_ptr when replacing route
    - ipv6: repair fib6 tree in failure case
    - tcp: when rearming RTO, if RTO time is in past then fire RTO ASAP
    - irda: do not leak initialized list.dev to userspace
    - net: sched: fix NULL pointer dereference when action calls some targets
    - net_sched: fix order of queue length updates in qdisc_replace()
    - mei: me: add broxton pci device ids
    - mei: me: add lewisburg device ids
    - Input: trackpoint - add new trackpoint firmware ID
    - Input: elan_i2c...