** Changed in: linux (Ubuntu Disco)
       Status: In Progress => Fix Committed

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  Disco update: upstream stable patchset 2020-02-05

Status in linux package in Ubuntu:
Status in linux source package in Disco:
  Fix Committed

Bug description:
  SRU Justification

         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from a mainline/stable Linux tree or
         a minimally backported form of that patch. The following upstream
         stable patches should be included in the Ubuntu kernel:

         upstream stable patchset 2020-02-05

                  Ported from the following upstream stable releases:
                          v4.19.96, v5.4.12,
                          v4.19.97, v5.4.13

         from git://git.kernel.org/

  chardev: Avoid potential use-after-free in 'chrdev_open()'
  i2c: fix bus recovery stop mode timing
  usb: chipidea: host: Disable port power only if previously enabled
  ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5
  ALSA: hda/realtek - Add new codec supported for ALCS1200A
  ALSA: hda/realtek - Set EAPD control to default for ALC222
  ALSA: hda/realtek - Add quirk for the bass speaker on Lenovo Yoga X1 7th gen
  kernel/trace: Fix do not unregister tracepoints when register 
sched_migrate_task fail
  tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined
  tracing: Change offset type to s32 in preempt/irq tracepoints
  HID: Fix slab-out-of-bounds read in hid_field_extract
  HID: uhid: Fix returning EPOLLOUT from uhid_char_poll
  HID: hid-input: clear unmapped usages
  Input: add safety guards to input_set_keycode()
  Input: input_event - fix struct padding on sparc64
  drm/sun4i: tcon: Set RGB DCLK min. divider based on hardware model
  drm/fb-helper: Round up bits_per_pixel if possible
  drm/dp_mst: correct the shifting in DP_REMOTE_I2C_READ
  can: kvaser_usb: fix interface sanity check
  can: gs_usb: gs_usb_probe(): use descriptors of current altsetting
  can: mscan: mscan_rx_poll(): fix rx path lockup when returning from polling 
to irq mode
  can: can_dropped_invalid_skb(): ensure an initialized headroom in outgoing 
CAN sk_buffs
  gpiolib: acpi: Turn dmi_system_id table into a generic quirk table
  gpiolib: acpi: Add honor_wakeup module-option + quirk mechanism
  staging: vt6656: set usb_set_intfdata on driver fail.
  USB: serial: option: add ZLP support for 0x1bc7/0x9010
  usb: musb: fix idling for suspend after disconnect interrupt
  usb: musb: Disable pullup at init
  usb: musb: dma: Correct parameter passed to IRQ handler
  staging: comedi: adv_pci1710: fix AI channels 16-31 for PCI-1713
  staging: rtl8188eu: Add device code for TP-Link TL-WN727N v5.21
  serdev: Don't claim unsupported ACPI serial devices
  tty: link tty and port before configuring it as console
  tty: always relink the port
  mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf
  scsi: bfa: release allocated memory in case of error
  rtl8xxxu: prevent leaking urb
  HID: hiddev: fix mess in hiddev_open()
  USB: Fix: Don't skip endpoint descriptors with maxpacket=0
  phy: cpcap-usb: Fix error path when no host driver is loaded
  phy: cpcap-usb: Fix flakey host idling and enumerating of devices
  netfilter: arp_tables: init netns pointer in xt_tgchk_param struct
  netfilter: conntrack: dccp, sctp: handle null timeout argument
  netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present
  tpm: Handle negative priv->response_len in tpm_common_read()
  pstore/ram: Regularize prz label allocation lifetime
  USB-PD tcpm: bad warning+size, PPS adapters
  staging: vt6656: correct return of vnt_init_registers.
  staging: vt6656: limit reg output to block size
  arm64: Implement copy_thread_tls
  arm: Implement copy_thread_tls
  parisc: Implement copy_thread_tls
  riscv: Implement copy_thread_tls
  xtensa: Implement copy_thread_tls
  um: Implement copy_thread_tls
  staging: vt6656: remove bool from vnt_radio_power_on ret
  rpmsg: char: release allocated memory
  UBUNTU: upstream stable to v4.19.96, v5.4.12
  hidraw: Return EPOLLOUT from hidraw_poll
  HID: hidraw: Fix returning EPOLLOUT from hidraw_poll
  HID: hidraw, uhid: Always report EPOLLOUT
  ethtool: reduce stack usage with clang
  fs/select: avoid clang stack usage warning
  f2fs: check if file namelen exceeds max value
  iwlwifi: dbg_ini: fix memory leak in alloc_sgtable
  iwlwifi: pcie: fix memory leaks in iwl_pcie_ctxt_info_gen3_init
  rtc: mt6397: fix alarm register overwrite
  RDMA/bnxt_re: Avoid freeing MR resources if dereg fails
  RDMA/bnxt_re: Fix Send Work Entry state check while polling completions
  ASoC: soc-core: Set dpcm_playback / dpcm_capture
  ASoC: stm32: spdifrx: fix inconsistent lock state
  ASoC: stm32: spdifrx: fix race condition in irq handler
  mtd: onenand: omap2: Pass correct flags for prep_dma_memcpy
  gpio: zynq: Fix for bug in zynq_gpio_restore_context API
  iommu: Remove device link to group on failure
  gpio: Fix error message on out-of-range GPIO in lookup table
  hsr: reset network header when supervision frame is created
  s390/qeth: fix false reporting of VNIC CHAR config failure
  s390/qeth: Fix vnicc_is_in_use if rx_bcast not set
  cifs: Adjust indentation in smb2_open_file
  afs: Fix missing cell comparison in afs_test_super()
  drm/ttm: fix start page for huge page check in ttm_put_pages()
  drm/ttm: fix incrementing the page pointer for huge pages
  btrfs: simplify inode locking for RWF_NOWAIT
  RDMA/mlx5: Return proper error value
  RDMA/srpt: Report the SCSI residual to the initiator
  scsi: enclosure: Fix stale device oops with hot replug
  scsi: sd: Clear sdkp->protection_type if disk is reformatted without PI
  platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
  platform/x86: GPD pocket fan: Use default values when wrong modparams are 
  xprtrdma: Fix completion wait during device removal
  crypto: virtio - implement missing support for output IVs
  NFSv2: Fix a typo in encode_sattr()
  NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn
  iio: imu: adis16480: assign bias value only if operation succeeded
  mei: fix modalias documentation
  clk: samsung: exynos5420: Preserve CPU clocks configuration during 
  pinctl: ti: iodelay: fix error checking on pinctrl_count_index_with_args call
  pinctrl: lewisburg: Update pin list according to v1.1v6
  scsi: sd: enable compat ioctls for sed-opal
  arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
  af_unix: add compat_ioctl support
  compat_ioctl: handle SIOCOUTQNSD
  PCI: dwc: Fix find_next_bit() usage
  PCI/PTM: Remove spurious "d" from granularity message
  powerpc/powernv: Disable native PCIe port management
  tty: serial: imx: use the sg count from dma_map_sg
  tty: serial: pch_uart: correct usage of dma_unmap_sg
  media: ov6650: Fix incorrect use of JPEG colorspace
  media: ov6650: Fix some format attributes not under control
  media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support
  media: rcar-vin: Fix incorrect return statement in rvin_try_format()
  media: v4l: cadence: Fix how unsued lanes are handled in 'csi2rx_start()'
  media: exynos4-is: Fix recursive locking in isp_video_release()
  iommu/mediatek: Correct the flush_iotlb_all callback
  mtd: spi-nor: fix silent truncation in spi_nor_read()
  mtd: spi-nor: fix silent truncation in spi_nor_read_raw()
  spi: atmel: fix handling of cs_change set on non-last xfer
  rtlwifi: Remove unnecessary NULL check in rtl_regd_init
  f2fs: fix potential overflow
  rtc: msm6242: Fix reading of 10-hour digit
  rtc: brcmstb-waketimer: add missed clk_disable_unprepare
  gpio: mpc8xxx: Add platform device to gpiochip->parent
  scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
  selftests: firmware: Fix it to do root uid check and skip
  rseq/selftests: Turn off timeout setting
  mips: cacheinfo: report shared CPU map
  MIPS: Prevent link failure with kcov instrumentation
  drm/arm/mali: make malidp_mw_connector_helper_funcs static
  dmaengine: k3dma: Avoid null pointer traversal
  ioat: ioat_alloc_ring() failure handling.
  hexagon: parenthesize registers in asm predicates
  hexagon: work around compiler crash
  ocfs2: call journal flush to mark journal as empty after journal recovery 
when mount
  phy: mapphone-mdm6600: Fix uninitialized status value regression
  IB/hfi1: Don't cancel unused work item
  netfilter: nft_flow_offload: fix underflow in flowtable reference counter
  fs: move guard_bio_eod() after bio_set_op_attrs
  scsi: mpt3sas: Fix double free in attach error handling
  PCI: amlogic: Fix probed clock names
  drm/tegra: Fix ordering of cleanup code
  s390/qeth: vnicc Fix init to default
  scsi: smartpqi: Update attribute name to `driver_version`
  syscalls/x86: Wire up COMPAT_SYSCALL_DEFINE0
  syscalls/x86: Use COMPAT_SYSCALL_DEFINE0 for IA32 (rt_)sigreturn
  syscalls/x86: Fix function types in COND_SYSCALL
  ASoC: rsnd: fix DALIGN register for SSIU
  RDMA/hns: remove a redundant le16_to_cpu
  RDMA/hns: Modify return value of restrack functions
  RDMA/hns: Release qp resources when failed to destroy qp
  xprtrdma: Connection becomes unstable after a reconnect
  xprtrdma: Close window between waking RPC senders and posting Receives
  RDMA/hns: Fix to support 64K page for srq
  RDMA/hns: Bugfix for qpc/cqc timer configuration
  uaccess: Add non-pagefault user-space write function
  bpf: Make use of probe_user_write in probe write helper
  bpf: skmsg, fix potential psock NULL pointer dereference
  scsi: ufs: Give an unique ID to each ufs-bsg
  crypto: hisilicon - select NEED_SG_DMA_LENGTH in qm Kconfig
  crypto: geode-aes - convert to skcipher API and make thread-safe
  nfsd: v4 support requires CRYPTO_SHA256
  NFSv4.x: Handle bad/dead sessions correctly in nfs41_sequence_process()
  affs: fix a memory leak in affs_remount
  pinctrl: sh-pfc: Fix PINMUX_IPSR_PHYS() to set GPSR
  pinctrl: sh-pfc: Do not use platform_get_irq() to count interrupts
  PCI: pciehp: Do not disable interrupt twice on suspend
  gfs2: add compat_ioctl support
  PCI: aardvark: Use LTSSM state to build link training flag
  PCI: aardvark: Fix PCI_EXP_RTCTL register configuration
  PCI/PM: Clear PCIe PME Status even for legacy power management
  tools: PCI: Fix fd leakage
  MIPS: Loongson: Fix return value of loongson_hwmon_init
  media: ov6650: Fix default format not applied on device probe
  media: aspeed-video: Fix memory leaks in aspeed_video_probe
  spi: sprd: Fix the incorrect SPI register
  spi: pxa2xx: Set controller->max_transfer_size in dma mode
  sch_cake: Add missing NLA policy entry TCA_CAKE_SPLIT_GSO
  NFSD fixing possible null pointer derefering in copy offload
  scsi: target/iblock: Fix protection error with blocks greater than 512B
  media: intel-ipu3: Align struct ipu3_uapi_awb_fr_config_s to 32 bytes
  UBUNTU: upstream stable to v4.19.97, v5.4.13

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