Applied patches were test-compiled for all supported arches. Build summary:
amd64-binary:   PASSED
arm64-binary:   PASSED
armhf-binary:   PASSED
i386-binary:    PASSED
powerpc-binary: PASSED
ppc64el-binary: PASSED
s390x-binary:   PASSED

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https://bugs.launchpad.net/bugs/1822271

Title:
  Xenial update: 4.4.177 upstream stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  In Progress

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 following upstream
         stable patches should be included in the Ubuntu kernel:

         4.4.177 upstream stable release
         from git://git.kernel.org/

  The following patches were applied:
  * ceph: avoid repeatedly adding inode to mdsc->snap_flush_list
  * numa: change get_mempolicy() to use nr_node_ids instead of MAX_NUMNODES
  * KEYS: allow reaching the keys quotas exactly
  * mfd: ti_am335x_tscadc: Use PLATFORM_DEVID_AUTO while registering mfd cells
  * mfd: twl-core: Fix section annotations on {,un}protect_pm_master
  * mfd: db8500-prcmu: Fix some section annotations
  * mfd: ab8500-core: Return zero in get_register_interruptible()
  * mfd: qcom_rpm: write fw_version to CTRL_REG
  * mfd: wm5110: Add missing ASRC rate register
  * mfd: mc13xxx: Fix a missing check of a register-read failure
  * net: hns: Fix use after free identified by SLUB debug
  * MIPS: ath79: Enable OF serial ports in the default config
  * scsi: qla4xxx: check return code of qla4xxx_copy_from_fwddb_param
  * scsi: isci: initialize shost fully before calling scsi_add_host()
  * MIPS: jazz: fix 64bit build
  * isdn: i4l: isdn_tty: Fix some concurrency double-free bugs
  * atm: he: fix sign-extension overflow on large shift
  * leds: lp5523: fix a missing check of return value of lp55xx_read
  * isdn: avm: Fix string plus integer warning from Clang
  * RDMA/srp: Rework SCSI device reset handling
  * KEYS: user: Align the payload buffer
  * KEYS: always initialize keyring_index_key::desc_len
  * batman-adv: fix uninit-value in batadv_interface_tx()
  * net/packet: fix 4gb buffer limit due to overflow check
  * team: avoid complex list operations in team_nl_cmd_options_set()
  * sit: check if IPv6 enabled before calling ip6_err_gen_icmpv6_unreach()
  * net/mlx4_en: Force CHECKSUM_NONE for short ethernet frames
  * ARCv2: Enable unaligned access in early ASM code
  * Revert "bridge: do not add port to router list when receives query with 
source
    0.0.0.0"
  * libceph: handle an empty authorize reply
  * drm/msm: Unblock writer if reader closes file
  * ASoC: Intel: Haswell/Broadwell: fix setting for .dynamic field
  * ALSA: compress: prevent potential divide by zero bugs
  * thermal: int340x_thermal: Fix a NULL vs IS_ERR() check
  * usb: dwc3: gadget: Fix the uninitialized link_state when udc starts
  * usb: gadget: Potential NULL dereference on allocation error
  * ASoC: dapm: change snprintf to scnprintf for possible overflow
  * ASoC: imx-audmux: change snprintf to scnprintf for possible overflow
  * ARC: fix __ffs return value to avoid build warnings
  * mac80211: fix miscounting of ttl-dropped frames
  * serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling
  * scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state()
  * net: altera_tse: fix connect_local_phy error path
  * ibmveth: Do not process frames after calling napi_reschedule
  * mac80211: don't initiate TDLS connection if station is not associated to AP
  * cfg80211: extend range deviation for DMG
  * KVM: nSVM: clear events pending from svm_complete_interrupts() when exiting 
to
    L1
  * arm/arm64: KVM: Feed initialized memory to MMIO accesses
  * KVM: arm/arm64: Fix MMIO emulation data handling
  * powerpc: Always initialize input array when calling epapr_hypercall()
  * mmc: spi: Fix card detection during probe
  * x86/uaccess: Don't leak the AC flag into __put_user() value evaluation
  * USB: serial: option: add Telit ME910 ECM composition
  * USB: serial: cp210x: add ID for Ingenico 3070
  * USB: serial: ftdi_sio: add ID for Hjelmslund Electronics USB485
  * cpufreq: Use struct kobj_attribute instead of struct global_attr
  * sockfs: getxattr: Fail with -EOPNOTSUPP for invalid attribute names
  * ncpfs: fix build warning of strncpy
  * isdn: isdn_tty: fix build warning of strncpy
  * staging: lustre: fix buffer overflow of string buffer
  * net-sysfs: Fix mem leak in netdev_register_kobject
  * sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79
  * team: Free BPF filter when unregistering netdev
  * bnxt_en: Drop oversize TX packets to prevent errors.
  * net: nfc: Fix NULL dereference on nfc_llcp_build_tlv fails
  * xen-netback: fix occasional leak of grant ref mappings under memory pressure
  * net: Add __icmp_send helper.
  * net: avoid use IPCB in cipso_v4_error
  * net: phy: Micrel KSZ8061: link failure after cable connect
  * x86/CPU/AMD: Set the CPB bit unconditionally on F17h
  * applicom: Fix potential Spectre v1 vulnerabilities
  * MIPS: irq: Allocate accurate order pages for irq stack
  * hugetlbfs: fix races and page leaks during migration
  * netlabel: fix out-of-bounds memory accesses
  * net: dsa: mv88e6xxx: Fix u64 statistics
  * ip6mr: Do not call __IP6_INC_STATS() from preemptible context
  * media: uvcvideo: Fix 'type' check leading to overflow
  * vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel
  * perf tools: Handle TOPOLOGY headers with no CPU
  * IB/{hfi1, qib}: Fix WC.byte_len calculation for UD_SEND_WITH_IMM
  * ipvs: Fix signed integer overflow when setsockopt timeout
  * iommu/amd: Fix IOMMU page flush when detach device from a domain
  * xtensa: SMP: fix ccount_timer_shutdown
  * xtensa: SMP: fix secondary CPU initialization
  * xtensa: smp_lx200_defconfig: fix vectors clash
  * xtensa: SMP: mark each possible CPU as present
  * xtensa: SMP: limit number of possible CPUs by NR_CPUS
  * net: altera_tse: fix msgdma_tx_completion on non-zero fill_level case
  * net: hns: Fix wrong read accesses via Clause 45 MDIO protocol
  * net: stmmac: dwmac-rk: fix error handling in rk_gmac_powerup()
  * gpio: vf610: Mask all GPIO interrupts
  * nfs: Fix NULL pointer dereference of dev_name
  * scsi: libfc: free skb when receiving invalid flogi resp
  * platform/x86: Fix unmet dependency warning for SAMSUNG_Q10
  * cifs: fix computation for MAX_SMB2_HDR_SIZE
  * x86/kexec: Don't setup EFI info if EFI runtime is not enabled
  * x86_64: increase stack size for KASAN_EXTRA
  * mm, memory_hotplug: is_mem_section_removable do not pass the end of a zone
  * mm, memory_hotplug: test_pages_in_a_zone do not pass the end of zone
  * fs/drop_caches.c: avoid softlockups in drop_pagecache_sb()
  * autofs: drop dentry reference only when it is never used
  * autofs: fix error return in autofs_fill_super()
  * ARM: pxa: ssp: unneeded to free devm_ allocated data
  * irqchip/mmp: Only touch the PJ4 IRQ & FIQ bits on enable/disable
  * dmaengine: at_xdmac: Fix wrongfull report of a channel as in use
  * dmaengine: dmatest: Abort test in case of mapping error
  * s390/qeth: fix use-after-free in error path
  * perf symbols: Filter out hidden symbols from labels
  * MIPS: Remove function size check in get_frame_info()
  * Input: wacom_serial4 - add support for Wacom ArtPad II tablet
  * Input: elan_i2c - add id for touchpad found in Lenovo s21e-20
  * iscsi_ibft: Fix missing break in switch statement
  * futex,rt_mutex: Restructure rt_mutex_finish_proxy_lock()
  * ARM: dts: exynos: Add minimal clkout parameters to Exynos3250 PMU
  * Revert "x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls"
  * ARM: dts: exynos: Do not ignore real-world fuse values for thermal zone 0 on
    Exynos5420
  * udplite: call proper backlog handlers
  * netfilter: x_tables: enforce nul-terminated table name from getsockopt
    GET_ENTRIES
  * netfilter: nfnetlink_log: just returns error for unknown command
  * netfilter: nfnetlink_acct: validate NFACCT_FILTER parameters
  * netfilter: nf_conntrack_tcp: Fix stack out of bounds when parsing TCP 
options
  * KEYS: restrict /proc/keys by credentials at open time
  * l2tp: fix infoleak in l2tp_ip6_recvmsg()
  * net: hsr: fix memory leak in hsr_dev_finalize()
  * net: sit: fix UBSAN Undefined behaviour in check_6rd
  * net/x25: fix use-after-free in x25_device_event()
  * net/x25: reset state in x25_connect()
  * pptp: dst_release sk_dst_cache in pptp_sock_destruct
  * ravb: Decrease TxFIFO depth of Q3 and Q2 to one
  * route: set the deleted fnhe fnhe_daddr to 0 in ip_del_fnhe to fix a race
  * tcp: handle inet_csk_reqsk_queue_add() failures
  * net/mlx4_core: Fix reset flow when in command polling mode
  * net/mlx4_core: Fix qp mtt size calculation
  * net/x25: fix a race in x25_bind()
  * mdio_bus: Fix use-after-free on device_register fails
  * net: Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255
  * missing barriers in some of unix_sock ->addr and ->path accesses
  * ipvlan: disallow userns cap_net_admin to change global mode/flags
  * vxlan: test dev->flags & IFF_UP before calling gro_cells_receive()
  * vxlan: Fix GRO cells race condition between receive and link delete
  * net/hsr: fix possible crash in add_timer()
  * gro_cells: make sure device is up in gro_cells_receive()
  * tcp/dccp: remove reqsk_put() from inet_child_forget()
  * ALSA: bebob: use more identical mod_alias for Saffire Pro 10 I/O against 
Liquid
    Saffire 56
  * fs/9p: use fscache mutex rather than spinlock
  * It's wrong to add len to sector_nr in raid10 reshape twice
  * media: videobuf2-v4l2: drop WARN_ON in vb2_warn_zero_bytesused()
  * 9p: use inode->i_lock to protect i_size_write() under 32-bit
  * 9p/net: fix memory leak in p9_client_create
  * ASoC: fsl_esai: fix register setting issue in RIGHT_J mode
  * stm class: Fix an endless loop in channel allocation
  * crypto: caam - fixed handling of sg list
  * crypto: ahash - fix another early termination in hash walk
  * gpu: ipu-v3: Fix i.MX51 CSI control registers offset
  * gpu: ipu-v3: Fix CSI offsets for imx53
  * s390/dasd: fix using offset into zero size array error
  * ARM: OMAP2+: Variable "reg" in function omap4_dsi_mux_pads() could be
    uninitialized
  * Input: matrix_keypad - use flush_delayed_work()
  * i2c: cadence: Fix the hold bit setting
  * Input: st-keyscan - fix potential zalloc NULL dereference
  * ARM: 8824/1: fix a migrating irq bug when hotplug cpu
  * assoc_array: Fix shortcut creation
  * net: systemport: Fix reception of BPDUs
  * pinctrl: meson: meson8b: fix the sdxc_a data 1..3 pins
  * net: mv643xx_eth: disable clk on error path in mv643xx_eth_shared_probe()
  * ASoC: topology: free created components in tplg load error
  * arm64: Relax GIC version check during early boot
  * tmpfs: fix link accounting when a tmpfile is linked in
  * ARC: uacces: remove lp_start, lp_end from clobber list
  * phonet: fix building with clang
  * mac80211_hwsim: propagate genlmsg_reply return code
  * net: set static variable an initial value in atl2_probe()
  * tmpfs: fix uninitialized return value in shmem_link
  * stm class: Prevent division by zero
  * crypto: arm64/aes-ccm - fix logical bug in AAD MAC handling
  * CIFS: Fix read after write for files with read caching
  * tracing: Do not free iter->trace in fail path of tracing_open_pipe()
  * ACPI / device_sysfs: Avoid OF modalias creation for removed device
  * regulator: s2mps11: Fix steps for buck7, buck8 and LDO35
  * regulator: s2mpa01: Fix step values for some LDOs
  * clocksource/drivers/exynos_mct: Move one-shot check from tick clear to ISR
  * clocksource/drivers/exynos_mct: Clear timer interrupt when shutdown
  * s390/virtio: handle find on invalid queue gracefully
  * scsi: virtio_scsi: don't send sc payload with tmfs
  * scsi: target/iscsi: Avoid iscsit_release_commands_from_conn() deadlock
  * m68k: Add -ffreestanding to CFLAGS
  * btrfs: ensure that a DUP or RAID1 block group has exactly two stripes
  * Btrfs: fix corruption reading shared and compressed extents after hole 
punching
  * crypto: pcbc - remove bogus memcpy()s with src == dest
  * cpufreq: tegra124: add missing of_node_put()
  * cpufreq: pxa2xx: remove incorrect __init annotation
  * ext4: fix crash during online resizing
  * ext2: Fix underflow in ext2_max_size()
  * clk: ingenic: Fix round_rate misbehaving with non-integer dividers
  * dmaengine: usb-dmac: Make DMAC system sleep callbacks explicit
  * mm/vmalloc: fix size check for remap_vmalloc_range_partial()
  * kernel/sysctl.c: add missing range check in do_proc_dointvec_minmax_conv
  * intel_th: Don't reference unassigned outputs
  * parport_pc: fix find_superio io compare code, should use equal test.
  * i2c: tegra: fix maximum transfer size
  * perf bench: Copy kernel files needed to build mem{cpy,set} x86_64 benchmarks
  * serial: 8250_pci: Fix number of ports for ACCES serial cards
  * serial: 8250_pci: Have ACCES cards that use the four port Pericom PI7C9X7954
    chip use the pci_pericom_setup()
  * jbd2: clear dirty flag when revoking a buffer from an older transaction
  * jbd2: fix compile warning when using JBUFFER_TRACE
  * powerpc/32: Clear on-stack exception marker upon exception return
  * powerpc/wii: properly disable use of BATs when requested.
  * powerpc/powernv: Make opal log only readable by root
  * powerpc/83xx: Also save/restore SPRG4-7 during suspend
  * ARM: s3c24xx: Fix boolean expressions in osiris_dvs_notify
  * dm: fix to_sector() for 32bit
  * NFS41: pop some layoutget errors to application
  * perf intel-pt: Fix CYC timestamp calculation after OVF
  * perf auxtrace: Define auxtrace record alignment
  * perf intel-pt: Fix overlap calculation for padding
  * md: Fix failed allocation of md_register_thread
  * NFS: Fix an I/O request leakage in nfs_do_recoalesce
  * NFS: Don't recoalesce on error in nfs_pageio_complete_mirror()
  * nfsd: fix memory corruption caused by readdir
  * nfsd: fix wrong check in write_v4_end_grace()
  * PM / wakeup: Rework wakeup source timer cancellation
  * rcu: Do RCU GP kthread self-wakeup from softirq and interrupt
  * media: uvcvideo: Avoid NULL pointer dereference at the end of streaming
  * drm/radeon/evergreen_cs: fix missing break in switch statement
  * KVM: nVMX: Sign extend displacements of VMX instr's mem operands
  * KVM: nVMX: Ignore limit checks on VMX instructions using flat segments
  * KVM: X86: Fix residual mmio emulation request to userspace
  * Linux 4.4.177

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