Package "linux-kvm"

  linux-kvm (4.15.0-1056.57) bionic; urgency=medium

  * bionic/linux-kvm: 4.15.0-1056.57 -proposed tracker (LP: #1865247)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync dkms-build and family
    - [Packaging] resync getabis
    - [Packaging] update helper scripts

  [ Ubuntu: 4.15.0-91.92 ]

  * bionic/linux: 4.15.0-91.92 -proposed tracker (LP: #1865109)
  * CVE-2020-2732
    - KVM: x86: emulate RDPID
    - KVM: nVMX: Don't emulate instructions in guest mode
    - KVM: nVMX: Refactor IO bitmap checks into helper function
    - KVM: nVMX: Check IO instruction VM-exit conditions

  [ Ubuntu: 4.15.0-90.91 ]

  * bionic/linux: 4.15.0-90.91 -proposed tracker (LP: #1864753)
  * dkms artifacts may expire from the pool (LP: #1850958)
    - [Packaging] autoreconstruct -- manage executable debian files
    - [packaging] handle downloads from the librarian better

  linux-kvm (4.15.0-1053.53) bionic; urgency=medium

  * bionic/linux-kvm: 4.15.0-1053.53 -proposed tracker (LP: #1862811)

  [ Ubuntu: 4.15.0-88.88 ]

  * bionic/linux: 4.15.0-88.88 -proposed tracker (LP: #1862824)
  * Segmentation fault (kernel oops) with memory-hotplug in
    ubuntu_kernel_selftests on Bionic kernel (LP: #1862312)
    - Revert "mm/memory_hotplug: fix online/offline_pages called w.o.
      mem_hotplug_lock"
    - mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock

  [ Ubuntu: 4.15.0-87.87 ]

  * bionic/linux: 4.15.0-87.87 -proposed tracker (LP: #1861165)
  * Bionic update: upstream stable patchset 2020-01-22 (LP: #1860602)
    - scsi: lpfc: Fix discovery failures when target device connectivity bounces
    - scsi: mpt3sas: Fix clear pending bit in ioctl status
    - scsi: lpfc: Fix locking on mailbox command completion
    - Input: atmel_mxt_ts - disable IRQ across suspend
    - iommu/tegra-smmu: Fix page tables in > 4 GiB memory
    - scsi: target: compare full CHAP_A Algorithm strings
    - scsi: lpfc: Fix SLI3 hba in loop mode not discovering devices
    - scsi: csiostor: Don't enable IRQs too early
    - powerpc/pseries: Mark accumulate_stolen_time() as notrace
    - powerpc/pseries: Don't fail hash page table insert for bolted mapping
    - powerpc/tools: Don't quote $objdump in scripts
    - dma-debug: add a schedule point in debug_dma_dump_mappings()
    - clocksource/drivers/asm9260: Add a check for of_clk_get
    - powerpc/security/book3s64: Report L1TF status in sysfs
    - powerpc/book3s64/hash: Add cond_resched to avoid soft lockup warning
    - ext4: update direct I/O read lock pattern for IOCB_NOWAIT
    - jbd2: Fix statistics for the number of logged blocks
    - scsi: tracing: Fix handling of TRANSFER LENGTH == 0 for READ(6) and WRITE(6)
    - scsi: lpfc: Fix duplicate unreg_rpi error in port offline flow
    - f2fs: fix to update dir's i_pino during cross_rename
    - clk: qcom: Allow constant ratio freq tables for rcg
    - irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary
    - irqchip: ingenic: Error out if IRQ domain creation failed
    - fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long
    - scsi: lpfc: fix: Coverity: lpfc_cmpl_els_rsp(): Null pointer dereferences
    - scsi: ufs: fix potential bug which ends in system hang
    - powerpc/pseries/cmm: Implement release() function for sysfs device
    - powerpc/security: Fix wrong message when RFI Flush is disable
    - scsi: atari_scsi: sun3_scsi: Set sg_tablesize to 1 instead of SG_NONE
    - clk: pxa: fix one of the pxa RTC clocks
    - bcache: at least try to shrink 1 node in bch_mca_scan()
    - HID: logitech-hidpp: Silence intermittent get_battery_capacity errors
    - libnvdimm/btt: fix variable 'rc' set but not used
    - HID: Improve Windows Precision Touchpad detection.
    - scsi: pm80xx: Fix for SATA device discovery
    - scsi: ufs: Fix error handing during hibern8 enter
    - scsi: scsi_debug: num_tgts must be >= 0
    - scsi: NCR5380: Add disconnect_mask module parameter
    - scsi: iscsi: Don't send data to unbound connection
    - scsi: target: iscsi: Wait for all commands to finish before freeing a
      session
    - gpio: mpc8xxx: Don't overwrite default irq_set_type callback
    - apparmor: fix unsigned len comparison with less than zero
    - scripts/kallsyms: fix definitely-lost memory leak
    - cdrom: respect device capabilities during opening action
    - perf script: Fix brstackinsn for AUXTRACE
    - perf regs: Make perf_reg_name() return "unknown" instead of NULL
    - s390/zcrypt: handle new reply code FILTERED_BY_HYPERVISOR
    - libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h
    - s390/cpum_sf: Check for SDBT and SDB consistency
    - ocfs2: fix passing zero to 'PTR_ERR' warning
    - kernel: sysctl: make drop_caches write-only
    - userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK
    - x86/mce: Fix possibly incorrect severity calculation on AMD
    - net, sysctl: Fix compiler warning when only cBPF is present
    - netfilter: nf_queue: enqueue skbs with NULL dst
    - ALSA: hda - Downgrade error message for single-cmd fallback
    - bonding: fix active-backup transition after link failure
    - perf strbuf: Remove redundant va_end() in strbuf_addv()
    - Make filldir[64]() verify the directory entry filename is valid
    - filldir[64]: remove WARN_ON_ONCE() for bad directory entries
    - netfilter: ebtables: compat: reject all padding in matches/watchers
    - 6pack,mkiss: fix possible deadlock
    - netfilter: bridge: make sure to pull arp header in br_nf_forward_arp()
    - inetpeer: fix data-race in inet_putpeer / inet_putpeer
    - net: add a READ_ONCE() in skb_peek_tail()
    - net: icmp: fix data-race in cmp_global_allow()
    - hrtimer: Annotate lockless access to timer->state
    - spi: fsl: don't map irq during probe
    - tty/serial: atmel: fix out of range clock divider handling
    - pinctrl: baytrail: Really serialize all register accesses
    - net: ena: fix napi handler misbehavior when the napi budget is zero
    - net/mlxfw: Fix out-of-memory error in mfa2 flash burning
    - ptp: fix the race between the release of ptp_clock and cdev
    - udp: fix integer overflow while computing available space in sk_rcvbuf
    - vhost/vsock: accept only packets with the right dst_cid
    - net: add bool confirm_neigh parameter for dst_ops.update_pmtu
    - gtp: do not confirm neighbor when do pmtu update
    - net/dst: add new function skb_dst_update_pmtu_no_confirm
    - tunnel: do not confirm neighbor when do pmtu update
    - vti: do not confirm neighbor when do pmtu update
    - sit: do not confirm neighbor when do pmtu update
    - gtp: do not allow adding duplicate tid and ms_addr pdp context
    - tcp/dccp: fix possible race __inet_lookup_established()
    - tcp: do not send empty skb from tcp_write_xmit()
    - gtp: fix wrong condition in gtp_genl_dump_pdp()
    - gt

  linux-kvm (4.15.0-1052.52) bionic; urgency=medium

  * bionic/linux-kvm: 4.15.0-1052.52 -proposed tracker (LP: #1854805)

  * Bionic update: upstream stable patchset 2019-11-21 (LP: #1853519)
    - kvm: [Config] disable CONFIG_SGL_ALLOC

  * update ENA driver for DIMLIB dynamic interrupt moderation (LP: #1853180)
    - kvm: [Config] disable CONFIG_DIMLIB

  [ Ubuntu: 4.15.0-73.82 ]

  * bionic/linux: 4.15.0-73.82 -proposed tracker (LP: #1854819)
  * CVE-2019-14901
    - SAUCE: mwifiex: Fix heap overflow in mmwifiex_process_tdls_action_frame()
  * CVE-2019-14896 // CVE-2019-14897
    - SAUCE: libertas: Fix two buffer overflows at parsing bss descriptor
  * CVE-2019-14895
    - SAUCE: mwifiex: fix possible heap overflow in mwifiex_process_country_ie()
  * CVE-2019-18660: patches for Ubuntu (LP: #1853142) // CVE-2019-18660
    - powerpc/64s: support nospectre_v2 cmdline option
    - powerpc/book3s64: Fix link stack flush on context switch
    - KVM: PPC: Book3S HV: Flush link stack on guest exit to host kernel
  * Please add patch fixing RK818 ID detection (LP: #1853192)
    - SAUCE: mfd: rk808: Fix RK818 ID template
  * [SRU][B/OEM-B/OEM-OSP1/D] Enable new Elan touchpads which are not in current
    whitelist (LP: #1853246)
    - HID: quirks: Fix keyboard + touchpad on Lenovo Miix 630
    - Input: elan_i2c - export the device id whitelist
    - HID: quirks: Refactor ELAN 400 and 401 handling
  * Lenovo dock MAC Address pass through doesn't work in Ubuntu (LP: #1827961)
    - r8152: Add macpassthru support for ThinkPad Thunderbolt 3 Dock Gen 2
  * s390/dasd: reduce the default queue depth and nr of hardware queues
    (LP: #1852257)
    - s390/dasd: reduce the default queue depth and nr of hardware queues
  * External microphone can't work on some dell machines with the codec alc256
    or alc236 (LP: #1853791)
    - SAUCE: ALSA: hda/realtek - Move some alc256 pintbls to fallback table
    - SAUCE: ALSA: hda/realtek - Move some alc236 pintbls to fallback table
  * Memory leak in net/xfrm/xfrm_state.c - 8 pages per ipsec connection
    (LP: #1853197)
    - xfrm: Fix memleak on xfrm state destroy
  * CVE-2019-19083
    - drm/amd/display: memory leak
  * update ENA driver for DIMLIB dynamic interrupt moderation (LP: #1853180)
    - net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
    - net: ena: switch to dim algorithm for rx adaptive interrupt moderation
    - net: ena: reimplement set/get_coalesce()
    - net: ena: enable the interrupt_moderation in driver_supported_features
    - net: ena: remove code duplication in
      ena_com_update_nonadaptive_moderation_interval _*()
    - net: ena: remove old adaptive interrupt moderation code from ena_netdev
    - net: ena: remove ena_restore_ethtool_params() and relevant fields
    - net: ena: remove all old adaptive rx interrupt moderation code from ena_com
    - net: ena: fix update of interrupt moderation register
    - net: ena: fix retrieval of nonadaptive interrupt moderation intervals
    - net: ena: fix incorrect update of intr_delay_resolution
    - net: ena: Select DIMLIB for ENA_ETHERNET
    - SAUCE: net: ena: fix issues in setting interrupt moderation params in
      ethtool
    - SAUCE: net: ena: fix too long default tx interrupt moderation interval
  * CONFIG_ARCH_ROCKCHIP is not set in ubuntu 18.04 aarch64,arm64 (LP: #1825222)
    - [Config] Enable ROCKCHIP support for arm64
  * backport DIMLIB (lib/dim/) to pre-5.2 kernels (LP: #1852637)
    - include/linux/bitops.h: introduce BITS_PER_TYPE
    - [Config] enable DIMLIB
    - linux/dim: import DIMLIB (lib/dim/)
    - SAUCE: linux/dim: avoid library object filename clash
  * The alsa hda driver is not loaded due to the missing of PCIID for Comet
    Lake-S [8086:a3f0] (LP: #1852070)
    - SAUCE: ALSA: hda: Add Cometlake-S PCI ID
  * Can't adjust brightness on DELL UHD dGPU AIO (LP: #1813877)
    - SAUCE: platform/x86: dell-uart-backlight: add missing status command
    - SAUCE: platform/x86: dell-uart-backlight: load driver by scalar status
    - SAUCE: platform/x86: dell-uart-backlight: add force parameter
    - SAUCE: platform/x86: dell-uart-backlight: add quirk for old platforms
  * Enable framebuffer fonts auto selection for HighDPI screen (LP: #1851623)
    - fonts: Fix coding style
    - fonts: Prefer a bigger font for high resolution screens
  * Disable unreliable HPET on CFL-H system (LP: #1852216)
    - SAUCE: x86/intel: Disable HPET on Intel Coffe Lake H platforms
  * i40e: Setting VF MAC address causes General Protection Fault (LP: #1852432)
    - i40e: Fix crash caused by stress setting of VF MAC addresses
  * Bionic update: upstream stable patchset 2019-11-27 (LP: #1854216)
    - spi: mediatek: use correct mata->xfer_len when in fifo transfer
    - tee: optee: add missing of_node_put after of_device_is_available
    - net: cdc_ncm: Signedness bug in cdc_ncm_set_dgram_size()
    - idr: Fix idr_get_next race with idr_remove
    - mm/memory_hotplug: don't access uninitialized memmaps in shrink_pgdat_span()
    - mm/memory_hotplug: fix updating the node span
    - arm64: uaccess: Ensure PAN is re-enabled after unhandled uaccess fault
    - fbdev: Ditch fb_edid_add_monspecs
    - net: ovs: fix return type of ndo_start_xmit function
    - net: xen-netback: fix return type of ndo_start_xmit function
    - ARM: dts: dra7: Enable workaround for errata i870 in PCIe host mode
    - ARM: dts: omap5: enable OTG role for DWC3 controller
    - f2fs: return correct errno in f2fs_gc
    - ARM: dts: sun8i: h3-h5: ir register size should be the whole memory block
    - SUNRPC: Fix priority queue fairness
    - IB/hfi1: Ensure ucast_dlid access doesnt exceed bounds
    - kvm: arm/arm64: Fix stage2_flush_memslot for 4 level page table
    - arm64/numa: Report correct memblock range for the dummy node
    - ath10k: fix vdev-start timeout on error
    - ata: ahci_brcm: Allow using driver or DSL SoCs
    - ath9k: fix reporting calculated new FFT upper max
    - usb: ga

  linux-kvm (4.15.0-1051.51) bionic; urgency=medium

  * bionic/linux-kvm: 4.15.0-1051.51 -proposed tracker (LP: #1852273)

  [ Ubuntu: 4.15.0-71.80 ]

  * bionic/linux: 4.15.0-71.80 -proposed tracker (LP: #1852289)
  * Bionic update: upstream stable patchset 2019-10-29 (LP: #1850541)
    - panic: ensure preemption is disabled during panic()
    - f2fs: use EINVAL for superblock with invalid magic
    - [Config] updateconfigs for USB_RIO500
    - USB: rio500: Remove Rio 500 kernel driver
    - USB: yurex: Don't retry on unexpected errors
    - USB: yurex: fix NULL-derefs on disconnect
    - USB: usb-skeleton: fix runtime PM after driver unbind
    - USB: usb-skeleton: fix NULL-deref on disconnect
    - xhci: Fix false warning message about wrong bounce buffer write length
    - xhci: Prevent device initiated U1/U2 link pm if exit latency is too long
    - xhci: Check all endpoints for LPM timeout
    - usb: xhci: wait for CNR controller not ready bit in xhci resume
    - USB: adutux: fix use-after-free on disconnect
    - USB: adutux: fix NULL-derefs on disconnect
    - USB: adutux: fix use-after-free on release
    - USB: iowarrior: fix use-after-free on disconnect
    - USB: iowarrior: fix use-after-free on release
    - USB: iowarrior: fix use-after-free after driver unbind
    - USB: usblp: fix runtime PM after driver unbind
    - USB: chaoskey: fix use-after-free on release
    - USB: ldusb: fix NULL-derefs on driver unbind
    - serial: uartlite: fix exit path null pointer
    - USB: serial: keyspan: fix NULL-derefs on open() and write()
    - USB: serial: ftdi_sio: add device IDs for Sienna and Echelon PL-20
    - USB: serial: option: add Telit FN980 compositions
    - USB: serial: option: add support for Cinterion CLS8 devices
    - USB: serial: fix runtime PM after driver unbind
    - USB: usblcd: fix I/O after disconnect
    - USB: microtek: fix info-leak at probe
    - USB: dummy-hcd: fix power budget for SuperSpeed mode
    - usb: renesas_usbhs: gadget: Do not discard queues in
      usb_ep_set_{halt,wedge}()
    - usb: renesas_usbhs: gadget: Fix usb_ep_set_{halt,wedge}() behavior
    - USB: legousbtower: fix slab info leak at probe
    - USB: legousbtower: fix deadlock on disconnect
    - USB: legousbtower: fix potential NULL-deref on disconnect
    - USB: legousbtower: fix open after failed reset request
    - USB: legousbtower: fix use-after-free on release
    - staging: vt6655: Fix memory leak in vt6655_probe
    - iio: adc: ad799x: fix probe error handling
    - iio: adc: axp288: Override TS pin bias current for some models
    - iio: light: opt3001: fix mutex unlock race
    - efivar/ssdt: Don't iterate over EFI vars if no SSDT override was specified
    - perf llvm: Don't access out-of-scope array
    - perf inject jit: Fix JIT_CODE_MOVE filename
    - CIFS: Gracefully handle QueryInfo errors during open
    - CIFS: Force revalidate inode when dentry is stale
    - CIFS: Force reval dentry if LOOKUP_REVAL flag is set
    - kernel/sysctl.c: do not override max_threads provided by userspace
    - firmware: google: increment VPD key_len properly
    - gpiolib: don't clear FLAG_IS_OUT when emulating open-drain/open-source
    - Staging: fbtft: fix memory leak in fbtft_framebuffer_alloc
    - iio: hx711: add delay until DOUT is ready
    - iio: adc: hx711: fix bug in sampling of data
    - btrfs: fix incorrect updating of log root tree
    - NFS: Fix O_DIRECT accounting of number of bytes read/written
    - MIPS: Disable Loongson MMI instructions for kernel build
    - Fix the locking in dcache_readdir() and friends
    - media: stkwebcam: fix runtime PM after driver unbind
    - tracing/hwlat: Report total time spent in all NMIs during the sample
    - tracing/hwlat: Don't ignore outer-loop duration when calculating max_latency
    - ftrace: Get a reference counter for the trace_array on filter files
    - tracing: Get trace_array reference for available_tracers files
    - x86/asm: Fix MWAITX C-state hint value
    - iio: adc: stm32-adc: fix a race when using several adcs with dma and irq
    - cifs: use cifsInodeInfo->open_file_lock while iterating to avoid a panic
    - btrfs: fix uninitialized ret in ref-verify
    - arm64/sve: Fix wrong free for task->thread.sve_state
    - [Config] updateconfigs for USB_RIO500
  * Bionic update: upstream stable patchset 2019-11-13 (LP: #1852492)
    - zram: fix race between backing_dev_show and backing_dev_store
    - dm snapshot: use mutex instead of rw_semaphore
    - dm snapshot: introduce account_start_copy() and account_end_copy()
    - dm snapshot: rework COW throttling to fix deadlock
    - dm: Use kzalloc for all structs with embedded biosets/mempools
    - f2fs: flush quota blocks after turnning it off
    - scsi: lpfc: Fix a duplicate 0711 log message number.
    - sc16is7xx: Fix for "Unexpected interrupt: 8"
    - powerpc/powernv: hold device_hotplug_lock when calling
      memtrace_offline_pages()
    - HID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override
    - x86/cpu: Add Atom Tremont (Jacobsville)
    - HID: i2c-hid: Add Odys Winbook 13 to descriptor override
    - clk: boston: unregister clks on failure in clk_boston_setup()
    - scripts/setlocalversion: Improve -dirty check with git-status --no-optional-
      locks
    - HID: Add ASUS T100CHI keyboard dock battery quirks
    - usb: handle warm-reset port requests on hub resume
    - rtc: pcf8523: set xtal load capacitance from DT
    - mlxsw: spectrum: Set LAG port collector only when active
    - ALSA: hda/realtek - Apply ALC294 hp init also for S4 resume
    - media: vimc: Remove unused but set variables
    - exec: load_script: Do not exec truncated interpreter path
    - PCI/PME: Fix possible use-after-free on remove
    - power: supply: max14656: fix potential use-after-free
    - iio: adc: meson_saradc: Fix memory allocation order
    - iio: fix center temperature of bmc150-accel-core
    - libsubcmd: Make _FORTIFY_SOURCE defines dependent o

  linux-kvm (4.15.0-1050.50) bionic; urgency=medium

  * CVE-2019-11135
    - [Config] Disable TSX by default when possible

  [ Ubuntu: 4.15.0-69.78 ]

  * KVM NULL pointer deref (LP: #1851205)
    - KVM: nVMX: handle page fault in vmread fix
  * CVE-2018-12207
    - KVM: MMU: drop vcpu param in gpte_access
    - kvm: Convert kvm_lock to a mutex
    - kvm: x86: Do not release the page inside mmu_set_spte()
    - KVM: x86: make FNAME(fetch) and __direct_map more similar
    - KVM: x86: remove now unneeded hugepage gfn adjustment
    - KVM: x86: change kvm_mmu_page_get_gfn BUG_ON to WARN_ON
    - KVM: x86: add tracepoints around __direct_map and FNAME(fetch)
    - kvm: x86, powerpc: do not allow clearing largepages debugfs entry
    - SAUCE: KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is
      active
    - SAUCE: x86: Add ITLB_MULTIHIT bug infrastructure
    - SAUCE: kvm: mmu: ITLB_MULTIHIT mitigation
    - SAUCE: kvm: Add helper function for creating VM worker threads
    - SAUCE: kvm: x86: mmu: Recovery of shattered NX large pages
    - SAUCE: cpu/speculation: Uninline and export CPU mitigations helpers
    - SAUCE: kvm: x86: mmu: Apply global mitigations knob to ITLB_MULTIHIT
  * CVE-2019-11135
    - KVM: x86: use Intel speculation bugs and features as derived in generic x86
      code
    - x86/msr: Add the IA32_TSX_CTRL MSR
    - x86/cpu: Add a helper function x86_read_arch_cap_msr()
    - x86/cpu: Add a "tsx=" cmdline option with TSX disabled by default
    - x86/speculation/taa: Add mitigation for TSX Async Abort
    - x86/speculation/taa: Add sysfs reporting for TSX Async Abort
    - kvm/x86: Export MDS_NO=0 to guests when TSX is enabled
    - x86/tsx: Add "auto" option to the tsx= cmdline parameter
    - x86/speculation/taa: Add documentation for TSX Async Abort
    - x86/tsx: Add config options to set tsx=on|off|auto
    - SAUCE: x86/speculation/taa: Call tsx_init()
    - SAUCE: x86/cpu: Include cpu header from bugs.c
    - [Config] Disable TSX by default when possible
  * CVE-2019-0154
    - SAUCE: drm/i915: Lower RM timeout to avoid DSI hard hangs
    - SAUCE: drm/i915/gen8+: Add RC6 CTX corruption WA
  * CVE-2019-0155
    - drm/i915/gtt: Add read only pages to gen8_pte_encode
    - drm/i915/gtt: Read-only pages for insert_entries on bdw+
    - drm/i915/gtt: Disable read-only support under GVT
    - drm/i915: Prevent writing into a read-only object via a GGTT mmap
    - drm/i915/cmdparser: Check reg_table_count before derefencing.
    - drm/i915/cmdparser: Do not check past the cmd length.
    - drm/i915: Silence smatch for cmdparser
    - drm/i915: Move engine->needs_cmd_parser to engine->flags
    - SAUCE: drm/i915: Rename gen7 cmdparser tables
    - SAUCE: drm/i915: Disable Secure Batches for gen6+
    - SAUCE: drm/i915: Remove Master tables from cmdparser
    - SAUCE: drm/i915: Add support for mandatory cmdparsing
    - SAUCE: drm/i915: Support ro ppgtt mapped cmdparser shadow buffers
    - SAUCE: drm/i915: Allow parsing of unsized batches
    - SAUCE: drm/i915: Add gen9 BCS cmdparsing
    - SAUCE: drm/i915/cmdparser: Use explicit goto for error paths
    - SAUCE: drm/i915/cmdparser: Add support for backward jumps
    - SAUCE: drm/i915/cmdparser: Ignore Length operands during command matching

  [ Ubuntu: 4.15.0-68.77 ]

  * bionic/linux: 4.15.0-68.77 -proposed tracker (LP: #1849855)
  * [REGRESSION] md/raid0: cannot assemble multi-zone RAID0 with default_layout
    setting (LP: #1849682)
    - Revert "md/raid0: avoid RAID0 data corruption due to layout confusion."