linux (4.4.0-154.181) xenial; urgency=medium

  * linux: 4.4.0-154.181 -proposed tracker (LP: #1834030)

  * CVE-2019-11478
    - tcp: refine memory limit test in tcp_fragment()

  * CVE-2019-11479
    - SAUCE: tcp: add tcp_min_snd_mss sysctl
    - SAUCE: tcp: enforce tcp_min_snd_mss in tcp_mtu_probing()

 -- Khalid Elmously <khalid.elmously@canonical.com>  Tue, 25 Jun 2019 00:36:38 -0400

linux (4.4.0-151.178) xenial; urgency=medium

  * Remote denial of service (system crash) caused by integer overflow in TCP
    SACK handling (LP: #1831637)
    - SAUCE: tcp: limit payload size of sacked skbs
    - SAUCE: tcp: fix fack_count accounting on tcp_shift_skb_data()

  * Remote denial of service (resource exhaustion) caused by TCP SACK scoreboard
    manipulation (LP: #1831638)
    - SAUCE: tcp: tcp_fragment() should apply sane memory limits

 -- Stefan Bader <stefan.bader@canonical.com>  Tue, 11 Jun 2019 09:36:19 +0200

linux (4.4.0-150.176) xenial; urgency=medium

  * linux: 4.4.0-150.176 -proposed tracker (LP: #1830941)

  * glibc 2.23-0ubuntu11 ADT test failure with linux 4.4.0-149.175
    (LP: #1830890)
    - x86/vdso: Pass --eh-frame-hdr to the linker

 -- Khalid Elmously <khalid.elmously@canonical.com>  Wed, 29 May 2019 14:23:25 -0400

linux (4.4.0-149.175) xenial; urgency=medium

  * linux: 4.4.0-149.175 -proposed tracker (LP: #1829209)

  * disable a.out support (LP: #1818552)
    - [Config] Disable a.out support

  * autopkgtests run too often, too much and don't skip enough (LP: #1823056)
    - [Debian] Set +x on rebuild testcase.
    - [Debian] Skip rebuild test, for regression-suite deps.
    - [Debian] Make ubuntu-regression-suite skippable on unbootable kernels.
    - [Debian] make rebuild use skippable error codes when skipping.
    - [Debian] Only run regression-suite, if requested to.

  * Xenial update: 4.4.179 upstream stable release (LP: #1828420)
    - arm64: debug: Don't propagate UNKNOWN FAR into si_code for debug signals
    - arm64: debug: Ensure debug handlers check triggering exception level
    - ext4: cleanup bh release code in ext4_ind_remove_space()
    - lib/int_sqrt: optimize initial value compute
    - tty/serial: atmel: Add is_half_duplex helper
    - mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
    - i2c: core-smbus: prevent stack corruption on read I2C_BLOCK_DATA
    - Bluetooth: Fix decrementing reference count twice in releasing socket
    - tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped
    - CIFS: fix POSIX lock leak and invalid ptr deref
    - h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
    - tracing: kdb: Fix ftdump to not sleep
    - gpio: gpio-omap: fix level interrupt idling
    - sysctl: handle overflow for file-max
    - enic: fix build warning without CONFIG_CPUMASK_OFFSTACK
    - mm/cma.c: cma_declare_contiguous: correct err handling
    - mm/page_ext.c: fix an imbalance with kmemleak
    - mm/vmalloc.c: fix kernel BUG at mm/vmalloc.c:512!
    - mm/slab.c: kmemleak no scan alien caches
    - ocfs2: fix a panic problem caused by o2cb_ctl
    - f2fs: do not use mutex lock in atomic context
    - fs/file.c: initialize init_files.resize_wait
    - cifs: use correct format characters
    - dm thin: add sanity checks to thin-pool and external snapshot creation
    - cifs: Fix NULL pointer dereference of devname
    - fs: fix guard_bio_eod to check for real EOD errors
    - tools lib traceevent: Fix buffer overflow in arg_eval
    - usb: chipidea: Grab the (legacy) USB PHY by phandle first
    - scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c
    - coresight: etm4x: Add support to enable ETMv4.2
    - ARM: 8840/1: use a raw_spinlock_t in unwind
    - mmc: omap: fix the maximum timeout setting
    - e1000e: Fix -Wformat-truncation warnings
    - IB/mlx4: Increase the timeout for CM cache
    - scsi: megaraid_sas: return error when create DMA pool failed
    - perf test: Fix failure of 'evsel-tp-sched' test on s390
    - SoC: imx-sgtl5000: add missing put_device()
    - media: sh_veu: Correct return type for mem2mem buffer helpers
    - media: s5p-jpeg: Correct return type for mem2mem buffer helpers
    - media: s5p-g2d: Correct return type for mem2mem buffer helpers
    - media: mx2_emmaprp: Correct return type for mem2mem buffer helpers
    - leds: lp55xx: fix null deref on firmware load failure
    - kprobes: Prohibit probing on bsearch()
    - ARM: 8833/1: Ensure that NEON code always compiles with Clang
    - ALSA: PCM: check if ops are defined before suspending PCM
    - bcache: fix input overflow to cache set sysfs file io_error_halflife
    - bcache: fix input overflow to sequential_cutoff
    - bcache: improve sysfs_strtoul_clamp()
    - fbdev: fbmem: fix memory access if logo is bigger than the screen
    - cdrom: Fix race condition in cdrom_sysctl_register
    - ASoC: fsl-asoc-card: fix object reference leaks in fsl_asoc_card_probe
    - soc: qcom: gsbi: Fix error handling in gsbi_probe()
    - mt7601u: bump supported EEPROM version
    - ARM: avoid Cortex-A9 livelock on tight dmb loops
    - tty: increase the default flip buffer limit to 2*640K
    - media: mt9m111: set initial frame size other than 0x0
    - hwrng: virtio - Avoid repeated init of completion
    - soc/tegra: fuse: Fix illegal free of IO base address
    - hpet: Fix missing '=' character in the __setup() code of hpet_mmap_enable
    - dmaengine: imx-dma: fix warning comparison of distinct pointer types
    - netfilter: physdev: relax br_netfilter dependency
    - media: s5p-jpeg: Check for fmt_ver_flag when doing fmt enumeration
    - regulator: act8865: Fix act8600_sudcdc_voltage_ranges setting
    - wlcore: Fix memory leak in case wl12xx_fetch_firmware failure
    - x86/build: Mark per-CPU symbols as absolute explicitly for LLD
    - dmaengine: tegra: avoid overflow of byte tracking
    - drm/dp/mst: Configure no_stop_bit correctly for remote i2c xfers
    - binfmt_elf: switch to new creds when switching to new mm
    - kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD
    - x86/build: Specify elf_i386 linker emulation explicitly for i386 objects
    - x86: vdso: Use $LD instead of $CC to link
    - x86/vdso: Drop implicit common-page-size linker flag
    - lib/string.c: implement a basic bcmp
    - tty: mark Siemens R3964 line discipline as BROKEN
    - [Config]: remove CONFIG_R3964
    - [Config]: add CONFIG_LDISC_AUTOLOAD=y
    - tty: ldisc: add sysctl to prevent autoloading of ldiscs
    - ipv6: Fix dangling pointer when ipv6 fragment
    - ipv6: sit: reset ip header pointer in ipip6_rcv
    - net: rds: force to destroy connection if t_sock is NULL in
      rds_tcp_kill_sock().
    - qmi_wwan: add Olicard 600
    - sctp: initialize _pad of sockaddr_in before copying to user memory
    - tcp: Ensure DCTCP reacts to losses
    - netns: provide pure entropy for net_hash_mix()
    - net: ethtool: not call vzalloc for zero sized memory request
    - ip6_tunnel: Match to ARPHRD_TUNNEL6 for dev type
    - ALSA: seq: Fix OOB-reads from strlcpy
    - include/linux/bitrev.h: fix constant bitrev
    - ASoC: fsl_esai: fix channel swap issue when stream starts
    - block: do not leak memory in bio_copy_user_iov()
    - genirq: Respect IRQCHIP_SKIP_SET_WAKE in irq_chip_set_wake_parent()
    - ARM: dts: at91: Fix typo in ISC_D0 on PC9
    - arm64: futex: Fix FUTEX_WAKE_OP atomic ops with non-zero result value
    - xen: Prevent buffer overflow in privcmd ioctl
    - sched/fair: Do not re-read ->h_load_next during hierarchical load
      calculation
    - xtensa: fix return_address
    - PCI: Add function 1 DMA alias quirk for Marvell 9170 SATA controller
    - perf/core: Restore mmap record type correctly
    - ext4: add missing brelse() in add_new_gdb_meta_bg()
    - ext4: report real fs size after failed resize
    - ALSA: echoaudio: add a check for ioremap_nocache
    - ALSA: sb8: add a check for request_region
    - IB/mlx4: Fix race condition between catas error reset and aliasguid flows
    - mmc: davinci: remove extraneous __init annotation
    - ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and
      declaration
    - thermal/int340x_thermal: Add additional UUIDs
    - thermal/int340x_thermal: fix mode setting
    - tools/power turbostat: return the exit status of a command
    - perf top: Fix error handling in cmd_top()
    - perf evsel: Free evsel->counts in perf_evsel__exit()
    - perf tests: Fix a memory leak of cpu_map object in the
      openat_syscall_event_on_all_cpus test
    - perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test()
    - x86/hpet: Prevent potential NULL pointer dereference
    - x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors
    - iommu/vt-d: Check capability before disabling protected memory
    - x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return
      an error
    - fix incorrect error code mapping for OBJECTID_NOT_FOUND
    - ext4: prohibit fstrim in norecovery mode
    - rsi: improve kernel thread handling to fix kernel panic
    - 9p: do not trust pdu content for stat item size
    - 9p locks: add mount option for lock retry interval
    - f2fs: fix to do sanity check with current segment number
    - serial: uartps: console_setup() can't be placed to init section
    - ARM: samsung: Limit SAMSUNG_PM_CHECK config option to non-Exynos platforms
    - ACPI / SBS: Fix GPE storm on recent MacBookPro's
    - cifs: fallback to older infolevels on findfirst queryinfo retry
    - crypto: sha256/arm - fix crash bug in Thumb2 build
    - crypto: sha512/arm - fix crash bug in Thumb2 build
    - iommu/dmar: Fix buffer overflow during PCI bus notification
    - ARM: 8839/1: kprobe: make patch_lock a raw_spinlock_t
    - appletalk: Fix use-after-free in atalk_proc_exit
    - lib/div64.c: off by one in shift
    - include/linux/swap.h: use offsetof() instead of custom __swapoffset macro
    - tpm/tpm_crb: Avoid unaligned reads in crb_recv()
    - ovl: fix uid/gid when creating over whiteout
    - appletalk: Fix compile regression
    - bonding: fix event handling for stacked bonds
    - net: atm: Fix potential Spectre v1 vulnerabilities
    - net: bridge: multicast: use rcu to access port list from
      br_multicast_start_querier
    - net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv
    - tcp: tcp_grow_window() needs to respect tcp_space()
    - ipv4: recompile ip options in ipv4_link_failure
    - ipv4: ensure rcu_read_lock() in ipv4_link_failure()
    - crypto: crypto4xx - properly set IV after de- and encrypt
    - modpost: file2alias: go back to simple devtable lookup
    - modpost: file2alias: check prototype of handler
    - tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete
    - KVM: x86: Don't clear EFER during SMM transitions for 32-bit vCPU
    - iio/gyro/bmg160: Use millidegrees for temperature scale
    - iio: ad_sigma_delta: select channel when reading register
    - iio: adc: at91: disable adc channel interrupt in timeout case
    - io: accel: kxcjk1013: restore the range after resume.
    - staging: comedi: vmk80xx: Fix use of uninitialized semaphore
    - staging: comedi: vmk80xx: Fix possible double-free of ->usb_rx_buf
    - staging: comedi: ni_usb6501: Fix use of uninitialized mutex
    - staging: comedi: ni_usb6501: Fix possible double-free of ->usb_rx_buf
    - ALSA: core: Fix card races between register and disconnect
    - crypto: x86/poly1305 - fix overflow during partial reduction
    - arm64: futex: Restore oldval initialization to work around buggy compilers
    - x86/kprobes: Verify stack frame on kretprobe
    - kprobes: Mark ftrace mcount handler functions nokprobe
    - kprobes: Fix error check when reusing optimized probes
    - mac80211: do not call driver wake_tx_queue op during reconfig
    - Revert "kbuild: use -Oz instead of -Os when using clang"
    - sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup
    - device_cgroup: fix RCU imbalance in error case
    - mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y
      CONFIG_SMP=n
    - ALSA: info: Fix racy addition/deletion of nodes
    - Revert "locking/lockdep: Add debug_locks check in __lock_downgrade()"
    - kernel/sysctl.c: fix out-of-bounds access when setting file-max
    - Linux 4.4.179

  * Xenial update: 4.4.178 upstream stable release (LP: #1826212)
    - mmc: pxamci: fix enum type confusion
    - drm/vmwgfx: Don't double-free the mode stored in par->set_mode
    - udf: Fix crash on IO error during truncate
    - mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction.
    - MIPS: Fix kernel crash for R6 in jump label branch function
    - futex: Ensure that futex address is aligned in handle_futex_death()
    - ext4: fix NULL pointer dereference while journal is aborted
    - ext4: fix data corruption caused by unaligned direct AIO
    - ext4: brelse all indirect buffer in ext4_ind_remove_space()
    - mmc: tmio_mmc_core: don't claim spurious interrupts
    - media: v4l2-ctrls.c/uvc: zero v4l2_event
    - locking/lockdep: Add debug_locks check in __lock_downgrade()
    - ALSA: hda - Record the current power state before suspend/resume calls
    - ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
    - mmc: pwrseq_simple: Make reset-gpios optional to match doc
    - mmc: debugfs: Add a restriction to mmc debugfs clock setting
    - mmc: make MAN_BKOPS_EN message a debug
    - mmc: sanitize 'bus width' in debug output
    - mmc: core: shut up "voltage-ranges unspecified" pr_info()
    - usb: dwc3: gadget: Fix suspend/resume during device mode
    - arm64: mm: Add trace_irqflags annotations to do_debug_exception()
    - mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
    - mm/rmap: replace BUG_ON(anon_vma->degree) with VM_WARN_ON
    - extcon: usb-gpio: Don't miss event during suspend/resume
    - kbuild: setlocalversion: print error to STDERR
    - usb: gadget: composite: fix dereference after null check coverify warning
    - usb: gadget: Add the gserial port checking in gs_start_tx()
    - tcp/dccp: drop SYN packets if accept queue is full
    - serial: sprd: adjust TIMEOUT to a big value
    - Hang/soft lockup in d_invalidate with simultaneous calls
    - arm64: traps: disable irq in die()
    - usb: renesas_usbhs: gadget: fix unused-but-set-variable warning
    - serial: sprd: clear timeout interrupt only rather than all interrupts
    - lib/int_sqrt: optimize small argument
    - USB: core: only clean up what we allocated
    - rtc: Fix overflow when converting time64_t to rtc_time
    - ath10k: avoid possible string overflow
    - mmc: block: Allow more than 8 partitions per card
    - arm64: fix COMPAT_SHMLBA definition for large pages
    - efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
    - ARM: 8458/1: bL_switcher: add GIC dependency
    - ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
    - android: unconditionally remove callbacks in sync_fence_free()
    - vmstat: make vmstat_updater deferrable again and shut down on idle
    - hid-sensor-hub.c: fix wrong do_div() usage
    - arm64: hide __efistub_ aliases from kallsyms
    - perf: Synchronously free aux pages in case of allocation failure
    - net: diag: support v4mapped sockets in inet_diag_find_one_icsk()
    - Revert "mmc: block: don't use parameter prefix if built as module"
    - writeback: initialize inode members that track writeback history
    - coresight: fixing lockdep error
    - coresight: coresight_unregister() function cleanup
    - coresight: release reference taken by 'bus_find_device()'
    - coresight: remove csdev's link from topology
    - stm class: Fix locking in unbinding policy path
    - stm class: Fix link list locking
    - stm class: Prevent user-controllable allocations
    - stm class: Support devices with multiple instances
    - stm class: Fix unlocking braino in the error path
    - stm class: Guard output assignment against concurrency
    - stm class: Fix unbalanced module/device refcounting
    - stm class: Fix a race in unlinking
    - coresight: "DEVICE_ATTR_RO" should defined as static.
    - coresight: etm4x: Check every parameter used by dma_xx_coherent.
    - asm-generic: Fix local variable shadow in __set_fixmap_offset
    - staging: ashmem: Avoid deadlock with mmap/shrink
    - staging: ashmem: Add missing include
    - staging: ion: Set minimum carveout heap allocation order to PAGE_SHIFT
    - staging: goldfish: audio: fix compiliation on arm
    - ARM: 8510/1: rework ARM_CPU_SUSPEND dependencies
    - arm64/kernel: fix incorrect EL0 check in inv_entry macro
    - mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
    - perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count
      drops
    - arm64: kernel: Include _AC definition in page.h
    - PM / Hibernate: Call flush_icache_range() on pages restored in-place
    - stm class: Do not leak the chrdev in error path
    - stm class: Fix stm device initialization order
    - ipv6: fix endianness error in icmpv6_err
    - usb: gadget: configfs: add mutex lock before unregister gadget
    - usb: gadget: rndis: free response queue during REMOTE_NDIS_RESET_MSG
    - cpu/hotplug: Handle unbalanced hotplug enable/disable
    - video: fbdev: Set pixclock = 0 in goldfishfb
    - arm64: kconfig: drop CONFIG_RTC_LIB dependency
    - mmc: mmc: fix switch timeout issue caused by jiffies precision
    - cfg80211: size various nl80211 messages correctly
    - stmmac: copy unicast mac address to MAC registers
    - dccp: do not use ipv6 header for ipv4 flow
    - mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
    - net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
    - net: rose: fix a possible stack overflow
    - Add hlist_add_tail_rcu() (Merge
      git://git.kernel.org/pub/scm/linux/kernel/git/davem/net)
    - packets: Always register packet sk in the same order
    - tcp: do not use ipv6 header for ipv4 flow
    - vxlan: Don't call gro_cells_destroy() before device is unregistered
    - sctp: get sctphdr by offset in sctp_compute_cksum
    - mac8390: Fix mmio access size probe
    - btrfs: remove WARN_ON in log_dir_items
    - ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
    - ALSA: compress: add support for 32bit calls in a 64bit kernel
    - ALSA: pcm: Fix possible OOB access in PCM oss plugins
    - ALSA: pcm: Don't suspend stream in unrecoverable PCM state
    - scsi: sd: Fix a race between closing an sd device and sd I/O
    - scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
    - scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP
      devices
    - tty: atmel_serial: fix a potential NULL pointer dereference
    - staging: vt6655: Remove vif check from vnt_interrupt
    - staging: vt6655: Fix interrupt race condition on device start up.
    - serial: max310x: Fix to avoid potential NULL pointer dereference
    - serial: sh-sci: Fix setting SCSCR_TIE while transferring data
    - USB: serial: cp210x: add new device id
    - USB: serial: ftdi_sio: add additional NovaTech products
    - USB: serial: mos7720: fix mos_parport refcount imbalance on error path
    - USB: serial: option: set driver_info for SIM5218 and compatibles
    - USB: serial: option: add Olicard 600
    - Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
    - fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
    - gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
    - perf intel-pt: Fix TSC slip
    - x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
    - KVM: Reject device ioctls from processes other than the VM's creator
    - xhci: Fix port resume done detection for SS ports with LPM enabled
    - Revert "USB: core: only clean up what we allocated"
    - arm64: support keyctl() system call in 32-bit mode
    - coresight: removing bind/unbind options from sysfs
    - stm class: Hide STM-specific options if STM is disabled
    - Linux 4.4.178

  * Kprobe event string type argument failed in ftrace from
    ubuntu_kernel_selftests on B/C i386 (LP: #1825780)
    - selftests/ftrace: Fix kprobe string testcase to not probe notrace function

  * False positive test result in run_netsocktests from net in
    ubuntu_kernel_selftest (LP: #1825777)
    - selftests/net: correct the return value for run_netsocktests

 -- Kleber Sacilotto de Souza <kleber.souza@canonical.com>  Wed, 15 May 2019 14:39:49 +0200

linux (4.4.0-148.174) xenial; urgency=medium

  * CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130
    - Documentation/l1tf: Fix small spelling typo
    - perf/x86/intel: Add model number for Skylake Server to perf
    - perf/x86: Add model numbers for Kabylake CPUs
    - perf/x86/intel: Use Intel family macros for core perf events
    - perf/x86/msr: Use Intel family macros for MSR events code
    - perf/x86/msr: Add missing Intel models
    - SAUCE: perf/x86/{cstate,rapl,uncore}: Use Intel Model name macros
    - perf/x86/msr: Add missing CPU IDs
    - x86/speculation: Simplify the CPU bug detection logic
    - x86/cpu: Sanitize FAM6_ATOM naming
    - kvm: x86: Report STIBP on GET_SUPPORTED_CPUID
    - bitops: avoid integer overflow in GENMASK(_ULL)
    - locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a
      new <linux/bits.h> file
    - tools include: Adopt linux/bits.h
    - x86/msr-index: Cleanup bit defines
    - x86/speculation: Consolidate CPU whitelists
    - x86/speculation/mds: Add basic bug infrastructure for MDS
    - x86/speculation/mds: Add BUG_MSBDS_ONLY
    - x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
    - x86/speculation/mds: Add mds_clear_cpu_buffers()
    - locking/static_keys: Provide DECLARE and well as DEFINE macros
    - x86/speculation/mds: Clear CPU buffers on exit to user
    - x86/kvm/vmx: Add MDS protection when L1D Flush is not active
    - x86/speculation/mds: Conditionally clear CPU buffers on idle entry
    - SAUCE: sched/smt: Introduce sched_smt_{active,present}
    - SAUCE: Rename the Ubuntu-only spec_ctrl_mutex mutex
    - SAUCE: x86/speculation: Introduce arch_smt_update()
    - x86/speculation: Rework SMT state change
    - x86/speculation: Reorder the spec_v2 code
    - x86/speculation: Unify conditional spectre v2 print functions
    - x86/speculation/mds: Add mitigation control for MDS
    - x86/speculation/mds: Add sysfs reporting for MDS
    - x86/speculation/mds: Add mitigation mode VMWERV
    - Documentation: Move L1TF to separate directory
    - Documentation: Add MDS vulnerability documentation
    - x86/speculation/mds: Add mds=full,nosmt cmdline option
    - x86/speculation: Move arch_smt_update() call to after mitigation decisions
    - x86/speculation/mds: Add SMT warning message
    - x86/speculation/mds: Fix comment
    - x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
    - x86/speculation/mds: Add 'mitigations=' support for MDS

  * CVE-2017-5715 // CVE-2017-5753
    - s390/speculation: Support 'mitigations=' cmdline option

  * CVE-2017-5715 // CVE-2017-5753 // CVE-2017-5754 // CVE-2018-3639
    - powerpc/speculation: Support 'mitigations=' cmdline option

  * CVE-2017-5715 // CVE-2017-5754 // CVE-2018-3620 // CVE-2018-3639 //
    CVE-2018-3646
    - cpu/speculation: Add 'mitigations=' cmdline option
    - x86/speculation: Support 'mitigations=' cmdline option

  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log

 -- Stefan Bader <stefan.bader@canonical.com>  Tue, 07 May 2019 11:35:48 +0200

linux (4.4.0-147.173) xenial; urgency=medium

  * linux: 4.4.0-147.173 -proposed tracker (LP: #1826036)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log

  * Xenial: Sync to upstream v4.9 (Spectre) (LP: #1820872)
    - SAUCE: cpu/hotplug: Fix Documentation/kernel-parameters.txt
    - SAUCE: Fix typo in Documentation/kernel-parameters.txt
    - SAUCE: x86: Move hunks and sync to upstream stable 4.9
    - Revert "module: Add retpoline tag to VERMAGIC"

  * CVE-2017-5753
    - posix-timers: Protect posix clock array access against speculation
    - arm64: fix possible spectre-v1 in ptrace_hbp_get_event()
    - sched/autogroup: Fix possible Spectre-v1 indexing for sched_prio_to_weight[]
    - media: dvb_ca_en50221: prevent using slot_info for Spectre attacs
    - s390/keyboard: sanitize array index in do_kdsk_ioctl
    - arm64: fix possible spectre-v1 write in ptrace_hbp_set_event()
    - pktcdvd: Fix possible Spectre-v1 for pkt_devs
    - net: socket: Fix potential spectre v1 gadget in sock_is_registered
    - net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd()
    - hwmon: (nct6775) Fix potential Spectre v1
    - mac80211_hwsim: Fix possible Spectre-v1 for hwsim_world_regdom_custom
    - nl80211: Fix possible Spectre-v1 for NL80211_TXRATE_HT
    - ipmi: msghandler: Fix potential Spectre v1 vulnerabilities
    - powerpc/ptrace: Mitigate potential Spectre v1
    - cfg80211: prevent speculation on cfg80211_classify8021d() return
    - ALSA: rawmidi: Fix potential Spectre v1 vulnerability
    - ALSA: seq: oss: Fix Spectre v1 vulnerability

  * CVE-2019-3874
    - sctp: fix the issue that a __u16 variable may overflow in sctp_ulpq_renege
    - sctp: use sk_wmem_queued to check for writable space
    - sctp: implement memory accounting on tx path
    - sctp: implement memory accounting on rx path

  * Kprobe event argument syntax in ftrace from ubuntu_kernel_selftests failed
    on B PowerPC (LP: #1812809)
    - selftests/ftrace: Add ppc support for kprobe args tests

  * CVE-2019-3882
    - vfio/type1: Limit DMA mappings per container

  * Intel I210 Ethernet card not working after hotplug [8086:1533]
    (LP: #1818490)
    - igb: Fix WARN_ONCE on runtime suspend

  * TSC clocksource not available in nested guests (LP: #1822821)
    - x86/tsc: Add X86_FEATURE_TSC_KNOWN_FREQ flag
    - kvmclock: fix TSC calibration for nested guests

  * Remove btrfs module after a failed fallocate attempt will cause error on 4.4
    i386 (LP: #1822579)
    - Btrfs: fix extent map leak during fallocate error path

  * systemd cause kernel trace "BUG: unable to handle kernel paging request at
    6db23a14" on Cosmic i386 (LP: #1813244) // systemd cause kernel trace "BUG:
    unable to handle kernel paging request at 6db23a14" on Cosmic i386
    (LP: #1813244)
    - openvswitch: fix flow actions reallocation

 -- Connor Kuehl <connor.kuehl@canonical.com>  Tue, 23 Apr 2019 11:51:25 -0700

linux (4.4.0-146.172) xenial; urgency=medium

  * linux: 4.4.0-146.172 -proposed tracker (LP: #1822834)

  * Packaging resync (LP: #1786013)
    - [Packaging] update helper scripts
    - [Packaging] resync retpoline extraction

  * 3b080b2564287be91605bfd1d5ee985696e61d3c in ubuntu_btrfs_kernel_fixes
    triggers system hang on i386 (LP: #1812845)
    - btrfs: raid56: properly unmap parity page in finish_parity_scrub()

  * Xenial update: 4.4.177 upstream stable release (LP: #1822271)
    - 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
    - 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

  * sky2 ethernet card doesn't work after returning from suspend
    (LP: #1807259) // sky2 ethernet card link not up after suspend
    (LP: #1809843) // Xenial update: 4.4.177 upstream stable release
    (LP: #1822271)
    - sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79

  * [CONFIG] please enable highdpi font FONT_TER16x32 (LP: #1819881)
    - lib/fonts/Kconfig: keep non-Sparc fonts listed together
    - Fonts: New Terminus large console font
    - [Config]: enable highdpi Terminus 16x32 font support

  * Hard lockup in 2 CPUs due to deadlock in cpu_stoppers (LP: #1821259)
    - stop_machine, sched: Fix migrate_swap() vs. active_balance() deadlock
    - stop_machine: Disable preemption when waking two stopper threads
    - stop_machine: Disable preemption after queueing stopper threads
    - stop_machine: Atomically queue and wake stopper threads

 -- Khalid Elmously <khalid.elmously@canonical.com>  Tue, 02 Apr 2019 23:03:42 -0400

linux (4.4.0-145.171) xenial; urgency=medium

  * linux: 4.4.0-145.171 -proposed tracker (LP: #1821724)

  * linux-generic should depend on linux-base >=4.1 (LP: #1820419)
    - [Packaging] Fix linux-base dependency

 -- Stefan Bader <stefan.bader@canonical.com>  Tue, 26 Mar 2019 13:27:29 +0100

linux (4.4.0-144.170) xenial; urgency=medium

  * linux: 4.4.0-144.170 -proposed tracker (LP: #1819660)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync getabis
    - [Packaging] update helper scripts
    - [Packaging] resync retpoline extraction

  * C++ demangling support missing from perf (LP: #1396654)
    - [Packaging] fix a mistype

  * CVE-2019-9213
    - mm: enforce min addr even if capable() in expand_downwards()

  * CVE-2019-3460
    - Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt

  * Xenial update: 4.4.176 upstream stable release (LP: #1818815)
    - net: fix IPv6 prefix route residue
    - vsock: cope with memory allocation failure at socket creation time
    - hwmon: (lm80) Fix missing unlock on error in set_fan_div()
    - net: Fix for_each_netdev_feature on Big endian
    - net: Add header for usage of fls64()
    - tcp: tcp_v4_err() should be more careful
    - net: Do not allocate page fragments that are not skb aligned
    - tcp: clear icsk_backoff in tcp_write_queue_purge()
    - vxlan: test dev->flags & IFF_UP before calling netif_rx()
    - net: stmmac: Fix a race in EEE enable callback
    - net: ipv4: use a dedicated counter for icmp_v4 redirect packets
    - x86: livepatch: Treat R_X86_64_PLT32 as R_X86_64_PC32
    - mfd: as3722: Handle interrupts on suspend
    - mfd: as3722: Mark PM functions as __maybe_unused
    - net/x25: do not hold the cpu too long in x25_new_lci()
    - mISDN: fix a race in dev_expire_timer()
    - ax25: fix possible use-after-free
    - Linux 4.4.176

  * sky2 ethernet card don't work after returning from suspension
    (LP: #1798921) // Xenial update: 4.4.176 upstream stable release
    (LP: #1818815)
    - sky2: Increase D3 delay again

  * Xenial update: 4.4.175 upstream stable release (LP: #1818813)
    - drm/bufs: Fix Spectre v1 vulnerability
    - staging: iio: adc: ad7280a: handle error from __ad7280_read32()
    - ASoC: Intel: mrfld: fix uninitialized variable access
    - scsi: lpfc: Correct LCB RJT handling
    - ARM: 8808/1: kexec:offline panic_smp_self_stop CPU
    - dlm: Don't swamp the CPU with callbacks queued during recovery
    - x86/PCI: Fix Broadcom CNB20LE unintended sign extension (redux)
    - powerpc/pseries: add of_node_put() in dlpar_detach_node()
    - serial: fsl_lpuart: clear parity enable bit when disable parity
    - ptp: check gettime64 return code in PTP_SYS_OFFSET ioctl
    - staging:iio:ad2s90: Make probe handle spi_setup failure
    - staging: iio: ad7780: update voltage on read
    - ARM: OMAP2+: hwmod: Fix some section annotations
    - modpost: validate symbol names also in find_elf_symbol
    - perf tools: Add Hygon Dhyana support
    - soc/tegra: Don't leak device tree node reference
    - f2fs: move dir data flush to write checkpoint process
    - f2fs: fix wrong return value of f2fs_acl_create
    - sunvdc: Do not spin in an infinite loop when vio_ldc_send() returns EAGAIN
    - nfsd4: fix crash on writing v4_end_grace before nfsd startup
    - arm64: ftrace: don't adjust the LR value
    - ARM: dts: mmp2: fix TWSI2
    - x86/fpu: Add might_fault() to user_insn()
    - media: DaVinci-VPBE: fix error handling in vpbe_initialize()
    - smack: fix access permissions for keyring
    - usb: hub: delay hub autosuspend if USB3 port is still link training
    - timekeeping: Use proper seqcount initializer
    - ARM: dts: Fix OMAP4430 SDP Ethernet startup
    - mips: bpf: fix encoding bug for mm_srlv32_op
    - iommu/arm-smmu-v3: Use explicit mb() when moving cons pointer
    - sata_rcar: fix deferred probing
    - clk: imx6sl: ensure MMDC CH0 handshake is bypassed
    - cpuidle: big.LITTLE: fix refcount leak
    - i2c-axxia: check for error conditions first
    - udf: Fix BUG on corrupted inode
    - ARM: pxa: avoid section mismatch warning
    - ASoC: fsl: Fix SND_SOC_EUKREA_TLV320 build error on i.MX8M
    - memstick: Prevent memstick host from getting runtime suspended during card
      detection
    - tty: serial: samsung: Properly set flags in autoCTS mode
    - arm64: KVM: Skip MMIO insn after emulation
    - powerpc/uaccess: fix warning/error with access_ok()
    - mac80211: fix radiotap vendor presence bitmap handling
    - xfrm6_tunnel: Fix spi check in __xfrm6_tunnel_alloc_spi
    - Bluetooth: Fix unnecessary error message for HCI request completion
    - cw1200: Fix concurrency use-after-free bugs in cw1200_hw_scan()
    - drbd: narrow rcu_read_lock in drbd_sync_handshake
    - drbd: disconnect, if the wrong UUIDs are attached on a connected peer
    - drbd: skip spurious timeout (ping-timeo) when failing promote
    - drbd: Avoid Clang warning about pointless switch statment
    - video: clps711x-fb: release disp device node in probe()
    - fbdev: fbmem: behave better with small rotated displays and many CPUs
    - fbdev: fbcon: Fix unregister crash when more than one framebuffer
    - KVM: x86: svm: report MSR_IA32_MCG_EXT_CTL as unsupported
    - NFS: nfs_compare_mount_options always compare auth flavors.
    - hwmon: (lm80) fix a missing check of the status of SMBus read
    - hwmon: (lm80) fix a missing check of bus read in lm80 probe
    - seq_buf: Make seq_buf_puts() null-terminate the buffer
    - crypto: ux500 - Use proper enum in cryp_set_dma_transfer
    - crypto: ux500 - Use proper enum in hash_set_dma_transfer
    - cifs: check ntwrk_buf_start for NULL before dereferencing it
    - um: Avoid marking pages with "changed protection"
    - niu: fix missing checks of niu_pci_eeprom_read
    - scripts/decode_stacktrace: only strip base path when a prefix of the path
    - ocfs2: don't clear bh uptodate for block read
    - isdn: hisax: hfc_pci: Fix a possible concurrency use-after-free bug in
      HFCPCI_l1hw()
    - gdrom: fix a memory leak bug
    - block/swim3: Fix -EBUSY error when re-opening device after unmount
    - HID: lenovo: Add checks to fix of_led_classdev_register
    - kernel/hung_task.c: break RCU locks based on jiffies
    - fs/epoll: drop ovflist branch prediction
    - exec: load_script: don't blindly truncate shebang string
    - thermal: hwmon: inline helpers when CONFIG_THERMAL_HWMON is not set
    - test_hexdump: use memcpy instead of strncpy
    - tipc: use destination length for copy string
    - string: drop __must_check from strscpy() and restore strscpy() usages in
      cgroup
    - dccp: fool proof ccid_hc_[rt]x_parse_options()
    - enic: fix checksum validation for IPv6
    - net: dp83640: expire old TX-skb
    - skge: potential memory corruption in skge_get_regs()
    - net: systemport: Fix WoL with password after deep sleep
    - net: dsa: slave: Don't propagate flag changes on down slave interfaces
    - ALSA: compress: Fix stop handling on compressed capture streams
    - ALSA: hda - Serialize codec registrations
    - fuse: call pipe_buf_release() under pipe lock
    - fuse: decrement NR_WRITEBACK_TEMP on the right page
    - fuse: handle zero sized retrieve correctly
    - dmaengine: imx-dma: fix wrong callback invoke
    - usb: phy: am335x: fix race condition in _probe
    - usb: gadget: udc: net2272: Fix bitwise and boolean operations
    - perf/x86/intel/uncore: Add Node ID mask
    - x86/MCE: Initialize mce.bank in the case of a fatal error in
      mce_no_way_out()
    - perf/core: Don't WARN() for impossible ring-buffer sizes
    - perf tests evsel-tp-sched: Fix bitwise operator
    - mtd: rawnand: gpmi: fix MX28 bus master lockup problem
    - signal: Always notice exiting tasks
    - signal: Better detection of synchronous signals
    - misc: vexpress: Off by one in vexpress_syscfg_exec()
    - debugfs: fix debugfs_rename parameter checking
    - mips: cm: reprime error cause
    - MIPS: OCTEON: don't set octeon_dma_bar_type if PCI is disabled
    - MIPS: VDSO: Include $(ccflags-vdso) in o32,n32 .lds builds
    - ARM: iop32x/n2100: fix PCI IRQ mapping
    - mac80211: ensure that mgmt tx skbs have tailroom for encryption
    - drm/modes: Prevent division by zero htotal
    - drm/vmwgfx: Fix setting of dma masks
    - drm/vmwgfx: Return error code from vmw_execbuf_copy_fence_user
    - HID: debug: fix the ring buffer implementation
    - NFC: nxp-nci: Include unaligned.h instead of access_ok.h
    - Revert "cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure
      cifs)"
    - Revert "UBUNTU: [Config] Remove CONFIG_CIFS_POSIX=y"
    - libceph: avoid KEEPALIVE_PENDING races in ceph_con_keepalive()
    - xfrm: refine validation of template and selector families
    - batman-adv: Avoid WARN on net_device without parent in netns
    - batman-adv: Force mac header to start of data on xmit
    - Revert "exec: load_script: don't blindly truncate shebang string"
    - uapi/if_ether.h: prevent redefinition of struct ethhdr
    - ARM: dts: da850-evm: Correct the sound card name
    - ARM: dts: kirkwood: Fix polarity of GPIO fan lines
    - gpio: pl061: handle failed allocations
    - cifs: Limit memory used by lock request calls to a page
    - Documentation/network: reword kernel version reference
    - Revert "Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G"
    - Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
    - perf/core: Fix impossible ring-buffer sizes warning
    - ALSA: hda - Add quirk for HP EliteBook 840 G5
    - ALSA: usb-audio: Fix implicit fb endpoint setup by quirk
    - Input: bma150 - register input device after setting private data
    - Input: elantech - enable 3rd button support on Fujitsu CELSIUS H780
    - alpha: fix page fault handling for r16-r18 targets
    - alpha: Fix Eiger NR_IRQS to 128
    - tracing/uprobes: Fix output for multiple string arguments
    - x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
    - signal: Restore the stop PTRACE_EVENT_EXIT
    - x86/a.out: Clear the dump structure initially
    - dm thin: fix bug where bio that overwrites thin block ignores FUA
    - smsc95xx: Use skb_cow_head to deal with cloned skbs
    - ch9200: use skb_cow_head() to deal with cloned skbs
    - kaweth: use skb_cow_head() to deal with cloned skbs
    - usb: dwc2: Remove unnecessary kfree
    - pinctrl: msm: fix gpio-hog related boot issues
    - uapi/if_ether.h: move __UAPI_DEF_ETHHDR libc define
    - Linux 4.4.175

  * Xenial update: 4.4.174 upstream stable release (LP: #1818806)
    - inet: frags: change inet_frags_init_net() return value
    - inet: frags: add a pointer to struct netns_frags
    - inet: frags: refactor ipfrag_init()
    - inet: frags: refactor ipv6_frag_init()
    - inet: frags: refactor lowpan_net_frag_init()
    - rhashtable: add rhashtable_lookup_get_insert_key()
    - rhashtable: Add rhashtable_lookup()
    - rhashtable: add schedule points
    - inet: frags: use rhashtables for reassembly units
    - net: ieee802154: 6lowpan: fix frag reassembly
    - ipfrag: really prevent allocation on netns exit
    - inet: frags: remove some helpers
    - inet: frags: get rif of inet_frag_evicting()
    - inet: frags: remove inet_frag_maybe_warn_overflow()
    - inet: frags: break the 2GB limit for frags storage
    - inet: frags: do not clone skb in ip_expire()
    - ipv6: frags: rewrite ip6_expire_frag_queue()
    - rhashtable: reorganize struct rhashtable layout
    - inet: frags: reorganize struct netns_frags
    - inet: frags: get rid of ipfrag_skb_cb/FRAG_CB
    - inet: frags: fix ip6frag_low_thresh boundary
    - ip: discard IPv4 datagrams with overlapping segments.
    - net: modify skb_rbtree_purge to return the truesize of all purged skbs.
    - ipv6: defrag: drop non-last frags smaller than min mtu
    - net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends
    - ip: use rb trees for IP frag queue.
    - ip: add helpers to process in-order fragments faster.
    - ip: process in-order fragments efficiently
    - ip: frags: fix crash in ip_do_fragment()
    - ipv4: frags: precedence bug in ip_expire()
    - inet: frags: better deal with smp races
    - net: fix pskb_trim_rcsum_slow() with odd trim offset
    - net: ipv4: do not handle duplicate fragments as overlapping
    - rcu: Force boolean subscript for expedited stall warnings
    - Linux 4.4.174

  * Xenial update: 4.4.173 upstream stable release (LP: #1818803)
    - net: Fix usage of pskb_trim_rcsum
    - openvswitch: Avoid OOB read when parsing flow nlattrs
    - net: ipv4: Fix memory leak in network namespace dismantle
    - net_sched: refetch skb protocol for each filter
    - net: bridge: Fix ethernet header pointer before check skb forwardable
    - USB: serial: simple: add Motorola Tetra TPG2200 device id
    - USB: serial: pl2303: add new PID to support PL2303TB
    - ASoC: atom: fix a missing check of snd_pcm_lib_malloc_pages
    - ARC: perf: map generic branches to correct hardware condition
    - s390/early: improve machine detection
    - s390/smp: fix CPU hotplug deadlock with CPU rescan
    - char/mwave: fix potential Spectre v1 vulnerability
    - staging: rtl8188eu: Add device code for D-Link DWA-121 rev B1
    - tty: Handle problem if line discipline does not have receive_buf
    - tty/n_hdlc: fix __might_sleep warning
    - CIFS: Fix possible hang during async MTU reads and writes
    - Input: xpad - add support for SteelSeries Stratus Duo
    - KVM: x86: Fix single-step debugging
    - x86/kaslr: Fix incorrect i8254 outb() parameters
    - can: dev: __can_get_echo_skb(): fix bogous check for non-existing skb by
      removing it
    - can: bcm: check timer values before ktime conversion
    - vt: invoke notifier on screen size change
    - perf unwind: Unwind with libdw doesn't take symfs into account
    - perf unwind: Take pgoff into account when reporting elf to libdwfl
    - irqchip/gic-v3-its: Align PCI Multi-MSI allocation on their size
    - arm64: mm: remove page_mapping check in __sync_icache_dcache
    - f2fs: read page index before freeing
    - Revert "loop: Fix double mutex_unlock(&loop_ctl_mutex) in
      loop_control_ioctl()"
    - Revert "loop: Get rid of loop_index_mutex"
    - Revert "loop: Fold __loop_release into loop_release"
    - s390/smp: Fix calling smp_call_ipl_cpu() from ipl CPU
    - fs: add the fsnotify call to vfs_iter_write
    - ipv6: Consider sk_bound_dev_if when binding a socket to an address
    - l2tp: copy 4 more bytes to linear part if necessary
    - net/mlx4_core: Add masking for a few queries on HCA caps
    - netrom: switch to sock timer API
    - net/rose: fix NULL ax25_cb kernel panic
    - ucc_geth: Reset BQL queue when stopping device
    - l2tp: remove l2specific_len dependency in l2tp_core
    - l2tp: fix reading optional fields of L2TPv3
    - CIFS: Do not count -ENODATA as failure for query directory
    - fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()
    - ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment
    - arm64: hyp-stub: Forbid kprobing of the hyp-stub
    - gfs2: Revert "Fix loop in gfs2_rbm_find"
    - platform/x86: asus-nb-wmi: Map 0x35 to KEY_SCREENLOCK
    - platform/x86: asus-nb-wmi: Drop mapping of 0x33 and 0x34 scan codes
    - mmc: sdhci-iproc: handle mmc_of_parse() errors during probe
    - kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
    - mm, oom: fix use-after-free in oom_kill_process
    - cifs: Always resolve hostname before reconnecting
    - drivers: core: Remove glue dirs from sysfs earlier
    - mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
    - fs: don't scan the inode cache before SB_BORN is set
    - Linux 4.4.173

  * Xenial update: 4.4.172 upstream stable release (LP: #1818797)
    - tty/ldsem: Wake up readers after timed out down_write()
    - can: gw: ensure DLC boundaries after CAN frame modification
    - f2fs: clean up argument of recover_data
    - f2fs: cover more area with nat_tree_lock
    - f2fs: move sanity checking of cp into get_valid_checkpoint
    - f2fs: fix to convert inline directory correctly
    - f2fs: give -EINVAL for norecovery and rw mount
    - f2fs: remove an obsolete variable
    - f2fs: factor out fsync inode entry operations
    - f2fs: fix inode cache leak
    - f2fs: fix to avoid reading out encrypted data in page cache
    - f2fs: not allow to write illegal blkaddr
    - f2fs: avoid unneeded loop in build_sit_entries
    - f2fs: use crc and cp version to determine roll-forward recovery
    - f2fs: introduce get_checkpoint_version for cleanup
    - f2fs: put directory inodes before checkpoint in roll-forward recovery
    - f2fs: fix to determine start_cp_addr by sbi->cur_cp_pack
    - f2fs: detect wrong layout
    - f2fs: free meta pages if sanity check for ckpt is failed
    - f2fs: fix race condition in between free nid allocator/initializer
    - f2fs: return error during fill_super
    - f2fs: check blkaddr more accuratly before issue a bio
    - f2fs: sanity check on sit entry
    - f2fs: enhance sanity_check_raw_super() to avoid potential overflow
    - f2fs: clean up with is_valid_blkaddr()
    - f2fs: introduce and spread verify_blkaddr
    - f2fs: fix to do sanity check with secs_per_zone
    - f2fs: fix to do sanity check with user_block_count
    - f2fs: Add sanity_check_inode() function
    - f2fs: fix to do sanity check with node footer and iblocks
    - f2fs: fix to do sanity check with reserved blkaddr of inline inode
    - f2fs: fix to do sanity check with block address in main area
    - f2fs: fix to do sanity check with block address in main area v2
    - f2fs: fix to do sanity check with cp_pack_start_sum
    - f2fs: fix invalid memory access
    - f2fs: fix missing up_read
    - f2fs: fix validation of the block count in sanity_check_raw_super
    - media: em28xx: Fix misplaced reset of dev->v4l::field_count
    - arm64/kvm: consistently handle host HCR_EL2 flags
    - arm64: Don't trap host pointer auth use to EL2
    - ipv6: fix kernel-infoleak in ipv6_local_error()
    - net: bridge: fix a bug on using a neighbour cache entry without checking its
      state
    - packet: Do not leak dev refcounts on error exit
    - ip: on queued skb use skb_header_pointer instead of pskb_may_pull
    - crypto: authencesn - Avoid twice completion call in decrypt path
    - crypto: authenc - fix parsing key with misaligned rta_len
    - btrfs: wait on ordered extents on abort cleanup
    - Yama: Check for pid death before checking ancestry
    - scsi: sd: Fix cache_type_store()
    - mips: fix n32 compat_ipc_parse_version
    - mfd: tps6586x: Handle interrupts on suspend
    - Disable MSI also when pcie-octeon.pcie_disable on
    - omap2fb: Fix stack memory disclosure
    - media: vivid: fix error handling of kthread_run
    - media: vivid: set min width/height to a value > 0
    - LSM: Check for NULL cred-security on free
    - media: vb2: vb2_mmap: move lock up
    - sunrpc: handle ENOMEM in rpcb_getport_async
    - selinux: fix GPF on invalid policy
    - sctp: allocate sctp_sockaddr_entry with kzalloc
    - tipc: fix uninit-value in tipc_nl_compat_link_reset_stats
    - tipc: fix uninit-value in tipc_nl_compat_bearer_enable
    - tipc: fix uninit-value in tipc_nl_compat_link_set
    - tipc: fix uninit-value in tipc_nl_compat_name_table_dump
    - tipc: fix uninit-value in tipc_nl_compat_doit
    - block/loop: Use global lock for ioctl() operation.
    - loop: Fold __loop_release into loop_release
    - loop: Get rid of loop_index_mutex
    - loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
    - drm/fb-helper: Ignore the value of fb_var_screeninfo.pixclock
    - media: vb2: be sure to unlock mutex on errors
    - r8169: Add support for new Realtek Ethernet
    - ipv6: Consider sk_bound_dev_if when binding a socket to a v4 mapped address
    - ipv6: Take rcu_read_lock in __inet6_bind for mapped addresses
    - platform/x86: asus-wmi: Tell the EC the OS will handle the display off
      hotkey
    - e1000e: allow non-monotonic SYSTIM readings
    - writeback: don't decrement wb->refcnt if !wb->bdi
    - MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur
    - arm64: perf: set suppress_bind_attrs flag to true
    - jffs2: Fix use of uninitialized delayed_work, lockdep breakage
    - pstore/ram: Do not treat empty buffers as valid
    - powerpc/pseries/cpuidle: Fix preempt warning
    - media: firewire: Fix app_info parameter type in avc_ca{,_app}_info
    - net: call sk_dst_reset when set SO_DONTROUTE
    - scsi: target: use consistent left-aligned ASCII INQUIRY data
    - clk: imx6q: reset exclusive gates on init
    - kconfig: fix file name and line number of warn_ignored_character()
    - kconfig: fix memory leak when EOF is encountered in quotation
    - mmc: atmel-mci: do not assume idle after atmci_request_end
    - perf intel-pt: Fix error with config term "pt=0"
    - perf svghelper: Fix unchecked usage of strncpy()
    - perf parse-events: Fix unchecked usage of strncpy()
    - dm kcopyd: Fix bug causing workqueue stalls
    - dm snapshot: Fix excessive memory usage and workqueue stalls
    - ALSA: bebob: fix model-id of unit for Apogee Ensemble
    - sysfs: Disable lockdep for driver bind/unbind files
    - scsi: megaraid: fix out-of-bound array accesses
    - ocfs2: fix panic due to unrecovered local alloc
    - mm/page-writeback.c: don't break integrity writeback on ->writepage() error
    - mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps
    - net: speed up skb_rbtree_purge()
    - ipmi:ssif: Fix handling of multi-part return messages
    - Linux 4.4.172

  * Xenial update: 4.4.171 upstream stable release (LP: #1818237)
    - ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225
    - btrfs: cleanup, stop casting for extent_map->lookup everywhere
    - btrfs: Enhance chunk validation check
    - Btrfs: add validadtion checks for chunk loading
    - Btrfs: check inconsistence between chunk and block group
    - Btrfs: fix em leak in find_first_block_group
    - Btrfs: detect corruption when non-root leaf has zero item
    - Btrfs: check btree node's nritems
    - Btrfs: fix BUG_ON in btrfs_mark_buffer_dirty
    - Btrfs: memset to avoid stale content in btree node block
    - Btrfs: improve check_node to avoid reading corrupted nodes
    - Btrfs: kill BUG_ON in run_delayed_tree_ref
    - Btrfs: memset to avoid stale content in btree leaf
    - Btrfs: fix emptiness check for dirtied extent buffers at check_leaf()
    - btrfs: struct-funcs, constify readers
    - btrfs: Refactor check_leaf function for later expansion
    - btrfs: Check if item pointer overlaps with the item itself
    - btrfs: Add sanity check for EXTENT_DATA when reading out leaf
    - btrfs: Add checker for EXTENT_CSUM
    - btrfs: Move leaf and node validation checker to tree-checker.c
    - btrfs: tree-checker: Enhance btrfs_check_node output
    - btrfs: tree-checker: Fix false panic for sanity test
    - btrfs: tree-checker: Add checker for dir item
    - btrfs: tree-checker: use %zu format string for size_t
    - btrfs: tree-check: reduce stack consumption in check_dir_item
    - btrfs: tree-checker: Verify block_group_item
    - btrfs: tree-checker: Detect invalid and empty essential trees
    - btrfs: validate type when reading a chunk
    - btrfs: Check that each block group has corresponding chunk at mount time
    - btrfs: Verify that every chunk has corresponding block group at mount time
    - btrfs: tree-checker: Check level for leaves and nodes
    - btrfs: tree-checker: Fix misleading group system information
    - CIFS: Do not hide EINTR after sending network packets
    - cifs: Fix potential OOB access of lock element array
    - usb: cdc-acm: send ZLP for Telit 3G Intel based modems
    - USB: storage: don't insert sane sense for SPC3+ when bad sense specified
    - USB: storage: add quirk for SMI SM3350
    - USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB
    - slab: alien caches must not be initialized if the allocation of the alien
      cache failed
    - PCI: altera: Fix altera_pcie_link_is_up()
    - PCI: altera: Reorder read/write functions
    - PCI: altera: Check link status before retrain link
    - PCI: altera: Poll for link up status after retraining the link
    - PCI: altera: Poll for link training status after retraining the link
    - PCI: altera: Rework config accessors for use without a struct pci_bus
    - PCI: altera: Move retrain from fixup to altera_pcie_host_init()
    - ACPI: power: Skip duplicate power resource references in _PRx
    - i2c: dev: prevent adapter retries and timeout being set as minus value
    - crypto: cts - fix crash on short inputs
    - ext4: fix a potential fiemap/page fault deadlock w/ inline_data
    - sunrpc: use-after-free in svc_process_common()
    - Linux 4.4.171

  * [Packaging] Allow overlay of config annotations (LP: #1752072)
    - [Packaging] config-check: Add an include directive

  * CVE-2018-9517
    - l2tp: pass tunnel pointer to ->session_create()

  * squashfs hardening (LP: #1816756)
    - squashfs metadata 2: electric boogaloo
    - Squashfs: Compute expected length from inode size rather than block length

  * Update ENA driver to version 2.0.3K (LP: #1816806)
    - net: ena: update driver version from 2.0.2 to 2.0.3
    - net: ena: fix race between link up and device initalization
    - net: ena: fix crash during failed resume from hibernation

  * bnxt_en_po: TX timed out triggering Netdev Watchdog Timer (LP: #1814095)
    - SAUCE: bnxt_en_bpo: Fix TX timeout during netpoll

  * CVE-2019-3459
    - Bluetooth: Verify that l2cap_get_conf_opt provides large enough buffer

  * CVE-2019-7222
    - KVM: x86: work around leak of uninitialized stack contents (CVE-2019-7222)

  * CVE-2019-7221
    - KVM: nVMX: unconditionally cancel preemption timer in free_nested
      (CVE-2019-7221)

  * CVE-2019-6974
    - kvm: fix kvm_ioctl_create_device() reference counting (CVE-2019-6974)

  * Regular D-state processes impacting LXD containers (LP: #1817628)
    - mm: do not stall register_shrinker()

  * libsas disks can have non-unique by-path names (LP: #1817784)
    - scsi: libsas: Fix rphy phy_identifier for PHYs with end devices attached

  * Hard lockups due to unrestricted lapic timer delay (LP: #1817918)
    - KVM: x86: move nsec_to_cycles from x86.c to x86.h
    - KVM: LAPIC: cap __delay at lapic_timer_advance_ns

 -- Stefan Bader <stefan.bader@canonical.com>  Thu, 14 Mar 2019 10:01:49 +0100

linux (4.4.0-143.169) xenial; urgency=medium

  * linux: 4.4.0-143.169 -proposed tracker (LP: #1814647)

  * x86/kvm: Backport fixup and missing commits (LP: #1811646)
    - KVM: x86: avoid vmalloc(0) in the KVM_SET_CPUID
    - kvm: nVMX: VMCLEAR an active shadow VMCS after last use
    - X86/nVMX: Properly set spec_ctrl and pred_cmd before merging MSRs
    - KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR
      path as unlikely()
    - kvm: x86: IA32_ARCH_CAPABILITIES is always supported
    - KVM: SVM: Add MSR-based feature support for serializing LFENCE
    - KVM: X86: Allow userspace to define the microcode version
    - KVM: x86: SVM: Call x86_spec_ctrl_set_guest/host() with interrupts disabled
    - KVM: VMX: fixes for vmentry_l1d_flush module parameter
    - kvm: svm: Ensure an IBPB on all affected CPUs when freeing a vmcb
    - kvm: vmx: Scrub hardware GPRs at VM-exit
    - SAUCE: [Fix] x86/KVM/VMX: Add L1D flush logic
    - SAUCE: KVM: Move code fragments, cleanup and re-indent

  * linux-buildinfo: pull out ABI information into its own package
    (LP: #1806380)
    - [Packaging] limit preparation to linux-libc-dev in headers
    - [Packaging] commonise debhelper invocation
    - [Packaging] ABI -- accumulate abi information at the end of the build
    - [Packaging] buildinfo -- add basic build information
    - [Packaging] buildinfo -- add firmware information to the flavour ABI
    - [Packaging] buildinfo -- add compiler information to the flavour ABI
    - [Packaging] buildinfo -- add buildinfo support to getabis
    - [Config] buildinfo -- add retpoline version markers
    - [Packaging] getabis -- handle all known package combinations
    - [Packaging] getabis -- support parsing a simple version

  * signing: only install a signed kernel (LP: #1764794)
    - [Packaging] update to Debian like control scripts
    - [Packaging] switch to triggers for postinst.d postrm.d handling
    - [Packaging] signing -- switch to raw-signing tarballs
    - [Packaging] signing -- switch to linux-image as signed when available
    - [Packaging] printenv -- add signing options
    - [Packaging] fix invocation of header postinst hooks
    - [Packaging] signing -- add support for signing Opal kernel binaries
    - [Debian] Use src_pkg_name when constructing udeb control files
    - [Debian] Dynamically determine linux udebs package name
    - [Packaging] handle both linux-lts* and linux-hwe* as backports
    - [Config] linux-source-* is in the primary linux namespace
    - [Packaging] lookup the upstream tag
    - [Packaging] zfs/spl -- enhance provides information
    - [Packaging] switch up to debhelper 9
    - [Packaging] autopkgtest -- disable d-i when dropping flavours
    - [debian] support for ship_extras_package=false
    - [Debian] do_common_tools should always be on
    - [debian] do not force do_tools_common
    - [Packaging] Add linux-tools-host package for VM host tools
    - [Packaging] signing should be conditional
    - [Packaging] skip cloud tools packaging when not building package
    - [Packaging] add acpidbg
    - [debian] prep linux-libc-dev only if do_libc_dev_package=true
    - [Packaging] Only install cloud init files when do_tools_common=true

  * Redpine: Driver crash with network-manager 1.10 and above (LP: #1813869)
    - SAUCE: Redpine: enhancement for MAC spoofing to avoid kernel crash

  * Guests using IBRS incur a large performance penalty (LP: #1764956)
    - SAUCE: Restore the IBRS host state on VMEXIT

  * Xenial update: 4.4.170 upstream stable release (LP: #1811647)
    - USB: hso: Fix OOB memory access in hso_probe/hso_get_config_data
    - xhci: Don't prevent USB2 bus suspend in state check intended for USB3 only
    - USB: serial: option: add GosunCn ZTE WeLink ME3630
    - USB: serial: option: add HP lt4132
    - USB: serial: option: add Simcom SIM7500/SIM7600 (MBIM mode)
    - USB: serial: option: add Fibocom NL668 series
    - USB: serial: option: add Telit LN940 series
    - mmc: core: Reset HPI enabled state during re-init and in case of errors
    - mmc: omap_hsmmc: fix DMA API warning
    - gpio: max7301: fix driver for use with CONFIG_VMAP_STACK
    - Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
    - x86/mtrr: Don't copy uninitialized gentry fields back to userspace
    - drm/ioctl: Fix Spectre v1 vulnerabilities
    - ip6mr: Fix potential Spectre v1 vulnerability
    - ipv4: Fix potential Spectre v1 vulnerability
    - ax25: fix a use-after-free in ax25_fillin_cb()
    - ibmveth: fix DMA unmap error in ibmveth_xmit_start error path
    - ieee802154: lowpan_header_create check must check daddr
    - ipv6: explicitly initialize udp6_addr in udp_sock_create6()
    - isdn: fix kernel-infoleak in capi_unlocked_ioctl
    - netrom: fix locking in nr_find_socket()
    - packet: validate address length
    - packet: validate address length if non-zero
    - sctp: initialize sin6_flowinfo for ipv6 addrs in sctp_inet6addr_event
    - vhost: make sure used idx is seen before log in vhost_add_used_n()
    - VSOCK: Send reset control packet when socket is partially bound
    - xen/netfront: tolerate frags with no data
    - gro_cell: add napi_disable in gro_cells_destroy
    - sock: Make sock->sk_stamp thread-safe
    - ALSA: rme9652: Fix potential Spectre v1 vulnerability
    - ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities
    - ALSA: pcm: Fix potential Spectre v1 vulnerability
    - ALSA: emux: Fix potential Spectre v1 vulnerabilities
    - ALSA: hda: add mute LED support for HP EliteBook 840 G4
    - ALSA: hda/tegra: clear pending irq handlers
    - USB: serial: pl2303: add ids for Hewlett-Packard HP POS pole displays
    - USB: serial: option: add Fibocom NL678 series
    - usb: r8a66597: Fix a possible concurrency use-after-free bug in
      r8a66597_endpoint_disable()
    - Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G
    - KVM: x86: Use jmp to invoke kvm_spurious_fault() from .fixup
    - perf pmu: Suppress potential format-truncation warning
    - ext4: fix possible use after free in ext4_quota_enable
    - ext4: missing unlock/put_page() in ext4_try_to_write_inline_data()
    - ext4: fix EXT4_IOC_GROUP_ADD ioctl
    - ext4: force inode writes when nfsd calls commit_metadata()
    - spi: bcm2835: Fix race on DMA termination
    - spi: bcm2835: Fix book-keeping of DMA termination
    - spi: bcm2835: Avoid finishing transfer prematurely in IRQ mode
    - cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader.
    - media: vivid: free bitmap_cap when updating std/timings/etc.
    - MIPS: Ensure pmd_present() returns false after pmd_mknotpresent()
    - MIPS: Align kernel load address to 64KB
    - CIFS: Fix error mapping for SMB2_LOCK command which caused OFD lock problem
    - x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when
      running nested
    - spi: bcm2835: Unbreak the build of esoteric configs
    - powerpc: Fix COFF zImage booting on old powermacs
    - ARM: imx: update the cpu power up timing setting on i.mx6sx
    - Input: restore EV_ABS ABS_RESERVED
    - checkstack.pl: fix for aarch64
    - xfrm: Fix bucket count reported to userspace
    - scsi: bnx2fc: Fix NULL dereference in error handling
    - Input: omap-keypad - fix idle configuration to not block SoC idle states
    - scsi: zfcp: fix posting too many status read buffers leading to adapter
      shutdown
    - hwpoison, memory_hotplug: allow hwpoisoned pages to be offlined
    - mm, devm_memremap_pages: mark devm_memremap_pages() EXPORT_SYMBOL_GPL
    - mm, devm_memremap_pages: kill mapping "System RAM" support
    - sunrpc: fix cache_head leak due to queued request
    - sunrpc: use SVC_NET() in svcauth_gss_* functions
    - crypto: x86/chacha20 - avoid sleeping with preemption disabled
    - ALSA: cs46xx: Potential NULL dereference in probe
    - ALSA: usb-audio: Avoid access before bLength check in build_audio_procunit()
    - ALSA: usb-audio: Fix an out-of-bound read in create_composite_quirks
    - dlm: fixed memory leaks after failed ls_remove_names allocation
    - dlm: possible memory leak on error path in create_lkb()
    - dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
    - dlm: memory leaks on error path in dlm_user_request()
    - gfs2: Fix loop in gfs2_rbm_find
    - b43: Fix error in cordic routine
    - 9p/net: put a lower bound on msize
    - iommu/vt-d: Handle domain agaw being less than iommu agaw
    - ceph: don't update importing cap's mseq when handing cap export
    - genwqe: Fix size check
    - intel_th: msu: Fix an off-by-one in attribute store
    - power: supply: olpc_battery: correct the temperature units
    - Linux 4.4.170

  * Xenial update: 4.4.169 upstream stable release (LP: #1811252)
    - lib/interval_tree_test.c: make test options module parameters
    - lib/interval_tree_test.c: allow full tree search
    - lib/rbtree_test.c: make input module parameters
    - lib/rbtree-test: lower default params
    - lib/interval_tree_test.c: allow users to limit scope of endpoint
    - timer/debug: Change /proc/timer_list from 0444 to 0400
    - powerpc/boot: Fix random libfdt related build errors
    - pinctrl: sunxi: a83t: Fix IRQ offset typo for PH11
    - aio: fix spectre gadget in lookup_ioctx
    - MMC: OMAP: fix broken MMC on OMAP15XX/OMAP5910/OMAP310
    - tracing: Fix memory leak in set_trigger_filter()
    - tracing: Fix memory leak of instance function hash filters
    - powerpc/msi: Fix NULL pointer access in teardown code
    - Revert "drm/rockchip: Allow driver to be shutdown on reboot/kexec"
    - f2fs: fix a panic caused by NULL flush_cmd_control
    - mac80211: don't WARN on bad WMM parameters from buggy APs
    - mac80211: Fix condition validating WMM IE
    - mac80211_hwsim: fix module init error paths for netlink
    - scsi: libiscsi: Fix NULL pointer dereference in iscsi_eh_session_reset
    - scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during
      unload
    - x86/earlyprintk/efi: Fix infinite loop on some screen widths
    - drm/msm: Grab a vblank reference when waiting for commit_done
    - ARC: io.h: Implement reads{x}()/writes{x}()
    - bonding: fix 802.3ad state sent to partner when unbinding slave
    - SUNRPC: Fix a potential race in xprt_connect()
    - sbus: char: add of_node_put()
    - drivers/sbus/char: add of_node_put()
    - drivers/tty: add missing of_node_put()
    - ide: pmac: add of_node_put()
    - clk: mmp: Off by one in mmp_clk_add()
    - Input: omap-keypad - fix keyboard debounce configuration
    - libata: whitelist all SAMSUNG MZ7KM* solid-state disks
    - mv88e6060: disable hardware level MAC learning
    - ARM: 8814/1: mm: improve/fix ARM v7_dma_inv_range() unaligned address
      handling
    - cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs)
    - [Config] Remove CONFIG_CIFS_POSIX=y
    - i2c: axxia: properly handle master timeout
    - i2c: scmi: Fix probe error on devices with an empty SMB0001 ACPI device node
    - rtc: snvs: add a missing write sync
    - rtc: snvs: Add timeouts to avoid kernel lockups
    - ALSA: isa/wavefront: prevent some out of bound writes
    - Linux 4.4.169

  * Xenial update: 4.4.168 upstream stable release (LP: #1811080)
    - ipv6: Check available headroom in ip6_xmit() even without options
    - net: 8139cp: fix a BUG triggered by changing mtu with network traffic
    - net: phy: don't allow __set_phy_supported to add unsupported modes
    - net: Prevent invalid access to skb->prev in __qdisc_drop_all
    - rtnetlink: ndo_dflt_fdb_dump() only work for ARPHRD_ETHER devices
    - tcp: fix NULL ref in tail loss probe
    - tun: forbid iface creation with rtnl ops
    - neighbour: Avoid writing before skb->head in neigh_hh_output()
    - ARM: OMAP2+: prm44xx: Fix section annotation on
      omap44xx_prm_enable_io_wakeup
    - ARM: OMAP1: ams-delta: Fix possible use of uninitialized field
    - sysv: return 'err' instead of 0 in __sysv_write_inode
    - s390/cpum_cf: Reject request for sampling in event initialization
    - hwmon: (ina2xx) Fix current value calculation
    - ASoC: dapm: Recalculate audio map forcely when card instantiated
    - hwmon: (w83795) temp4_type has writable permission
    - Btrfs: send, fix infinite loop due to directory rename dependencies
    - ASoC: omap-mcpdm: Add pm_qos handling to avoid under/overruns with CPU_IDLE
    - ASoC: omap-dmic: Add pm_qos handling to avoid overruns with CPU_IDLE
    - exportfs: do not read dentry after free
    - bpf: fix check of allowed specifiers in bpf_trace_printk
    - USB: omap_udc: use devm_request_irq()
    - USB: omap_udc: fix crashes on probe error and module removal
    - USB: omap_udc: fix omap_udc_start() on 15xx machines
    - USB: omap_udc: fix USB gadget functionality on Palm Tungsten E
    - KVM: x86: fix empty-body warnings
    - net: thunderx: fix NULL pointer dereference in nic_remove
    - ixgbe: recognize 1000BaseLX SFP modules as 1Gbps
    - net: hisilicon: remove unexpected free_netdev
    - drm/ast: fixed reading monitor EDID not stable issue
    - xen: xlate_mmu: add missing header to fix 'W=1' warning
    - fscache: fix race between enablement and dropping of object
    - fscache, cachefiles: remove redundant variable 'cache'
    - ocfs2: fix deadlock caused by ocfs2_defrag_extent()
    - hfs: do not free node before using
    - hfsplus: do not free node before using
    - debugobjects: avoid recursive calls with kmemleak
    - ocfs2: fix potential use after free
    - pstore: Convert console write to use ->write_buf
    - ALSA: pcm: remove SNDRV_PCM_IOCTL1_INFO internal command
    - KVM: nVMX: fix msr bitmaps to prevent L2 from accessing L0 x2APIC
    - KVM: nVMX: mark vmcs12 pages dirty on L2 exit
    - KVM: nVMX: Eliminate vmcs02 pool
    - KVM: VMX: introduce alloc_loaded_vmcs
    - KVM: VMX: make MSR bitmaps per-VCPU
    - KVM/x86: Add IBPB support
    - KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
    - KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
    - KVM/x86: Remove indirect MSR op calls from SPEC_CTRL
    - x86/uaccess: Use __uaccess_begin_nospec() and uaccess_try_nospec
    - KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD
    - bpf: support 8-byte metafield access
    - bpf/verifier: Add spi variable to check_stack_write()
    - bpf/verifier: Pass instruction index to check_mem_access() and check_xadd()
    - bpf: Prevent memory disambiguation attack
    - wil6210: missing length check in wmi_set_ie
    - mm/hugetlb.c: don't call region_abort if region_chg fails
    - hugetlbfs: fix offset overflow in hugetlbfs mmap
    - hugetlbfs: check for pgoff value overflow
    - hugetlbfs: fix bug in pgoff overflow checking
    - swiotlb: clean up reporting
    - sr: pass down correctly sized SCSI sense buffer
    - mm: remove write/force parameters from __get_user_pages_locked()
    - mm: remove write/force parameters from __get_user_pages_unlocked()
    - mm/nommu.c: Switch __get_user_pages_unlocked() to use __get_user_pages()
    - mm: replace get_user_pages_unlocked() write/force parameters with gup_flags
    - mm: replace get_user_pages_locked() write/force parameters with gup_flags
    - mm: replace get_vaddr_frames() write/force parameters with gup_flags
    - mm: replace get_user_pages() write/force parameters with gup_flags
    - mm: replace __access_remote_vm() write parameter with gup_flags
    - mm: replace access_remote_vm() write parameter with gup_flags
    - proc: don't use FOLL_FORCE for reading cmdline and environment
    - proc: do not access cmdline nor environ from file-backed areas
    - media: dvb-frontends: fix i2c access helpers for KASAN
    - matroxfb: fix size of memcpy
    - staging: speakup: Replace strncpy with memcpy
    - rocker: fix rocker_tlv_put_* functions for KASAN
    - selftests: Move networking/timestamping from Documentation
    - Linux 4.4.168

  * kernel oops in bcache module (LP: #1793901)
    - SAUCE: bcache: never writeback a discard operation

  * Userspace break as a result of missing patch backport (LP: #1813873)
    - tty: Don't hold ldisc lock in tty_reopen() if ldisc present

  * CVE-2019-6133
    - fork: record start_time late

  * Crash on "ip link add foo type ipip" (LP: #1811803)
    - SAUCE: fan: Fix NULL pointer dereference

 -- Juerg Haefliger <juergh@canonical.com>  Wed, 06 Feb 2019 10:39:59 +0000

# For older changelog entries, run 'apt-get changelog linux-tools-4.4.0-154'
