This bug was fixed in the package linux-oem-5.6 - 5.6.0-1020.20

---------------
linux-oem-5.6 (5.6.0-1020.20) focal; urgency=medium

  * focal/linux-oem-5.6: 5.6.0-1020.20 -proposed tracker (LP: #1886753)

  * Realtek [10ec:c82f] Subsystem [17aa:c02f] Wifi adapter not found
    (LP: #1886247)
    - SAUCE: rtw88: 8822ce: add support for device ID 0xc82f

  * [WD19TB] external DP failed with DRM error message (LP: #1886165)
    - drm/i915/tgl: Update TC DP vswing table
    - drm/i915/tgl: Implement WA_16011163337
    - SAUCE: drm/i915/bios: add intel_bios_hdmi_level_shift()
    - drm/i915/tgl: Add HBR and HBR2+ voltage swing table
    - drm/i915/dc3co: Avoid full modeset when EXITLINE needs to be changed
    - drm/i915/tgl+: Use the correct DP_TP_* register instances in MST encoders
    - drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock

  * ubuntu_aufs_smoke_test failed on Focal OEM 5.6 (LP: #1879308)
    - SAUCE: fs: Enable aufs

 -- Timo Aaltonen <timo.aalto...@canonical.com>  Wed, 08 Jul 2020
11:44:53 +0300

** Changed in: linux-oem-5.6 (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1878944

Title:
  Focal update: v5.6.13 upstream stable release

Status in linux-oem-5.6 package in Ubuntu:
  Fix Released
Status in linux-oem-5.6 source package in Focal:
  Fix Released

Bug description:
  SRU Justification

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

         v5.6.13 upstream stable release
         from git://git.kernel.org/

  thunderbolt: Check return value of tb_sw_read() in usb4_switch_op()
  USB: serial: qcserial: Add DW5816e support
  drm/amdgpu: move kfd suspend after ip_suspend_phase1
  drm/amdgpu: drop redundant cg/pg ungate on runpm enter
  vt: fix unicode console freeing with a common interface
  tty: xilinx_uartps: Fix missing id assignment to the console
  ext4: don't set dioread_nolock by default for blocksize < pagesize
  ext4: disable dioread_nolock whenever delayed allocation is disabled
  nvme: refactor nvme_identify_ns_descs error handling
  nvme: fix possible hang when ns scanning fails during error recovery
  tracing/kprobes: Fix a double initialization typo
  net: macb: Fix runtime PM refcounting
  cxgb4: fix EOTID leak when disabling TC-MQPRIO offload
  devlink: Fix reporter's recovery condition
  devlink: fix return value after hitting end in region read
  dp83640: reverse arguments to list_add_tail
  fq_codel: fix TCA_FQ_CODEL_DROP_BATCH_SIZE sanity checks
  ipv6: Use global sernum for dst validation with nexthop objects
  mlxsw: spectrum_acl_tcam: Position vchunk in a vregion list properly
  neigh: send protocol value in neighbor create notification
  net: bridge: vlan: Add a schedule point during VLAN processing
  net: dsa: Do not leave DSA master with NULL netdev_ops
  net: dsa: Do not make user port errors fatal
  net: macb: fix an issue about leak related system resources
  net: macsec: preserve ingress frame ordering
  net/mlx4_core: Fix use of ENOSPC around mlx4_counter_alloc()
  net: phy: marvell10g: fix temperature sensor on 2110
  net_sched: sch_skbprio: add message validation to skbprio_change()
  net: stricter validation of untrusted gso packets
  net: tc35815: Fix phydev supported/advertising mask
  net/tls: Fix sk_psock refcnt leak in bpf_exec_tx_verdict()
  net/tls: Fix sk_psock refcnt leak when in tls_data_ready()
  net: usb: qmi_wwan: add support for DW5816e
  nfp: abm: fix a memory leak bug
  sch_choke: avoid potential panic in choke_reset()
  sch_sfq: validate silly quantum values
  selftests: net: tcp_mmap: clear whole tcp_zerocopy_receive struct
  selftests: net: tcp_mmap: fix SO_RCVLOWAT setting
  tipc: fix partial topology connection closure
  tunnel: Propagate ECT(1) when decapsulating as recommended by RFC6040
  bnxt_en: Fix VF anti-spoof filter setup.
  bnxt_en: Reduce BNXT_MSIX_VEC_MAX value to supported CQs per PF.
  bnxt_en: Improve AER slot reset.
  bnxt_en: Return error when allocating zero size context memory.
  bnxt_en: Fix VLAN acceleration handling in bnxt_fix_features().
  net/mlx5: DR, On creation set CQ's arm_db member to right value
  net/mlx5: Fix forced completion access non initialized command entry
  net/mlx5: Fix command entry leak in Internal Error State
  net/mlx5e: Fix q counters on uplink representors
  net: mvpp2: prevent buffer overflow in mvpp22_rss_ctx()
  net: mvpp2: cls: Prevent buffer overflow in mvpp2_ethtool_cls_rule_del()
  wireguard: queueing: cleanup ptr_ring in error path of packet_queue_init
  wireguard: receive: use tunnel helpers for decapsulating ECN markings
  net: enetc: fix an issue about leak system resources
  wireguard: socket: remove errant restriction on looping to self
  wireguard: send/receive: cond_resched() when processing worker ringbuffers
  HID: wacom: Read HID_DG_CONTACTMAX directly for non-generic devices
  sctp: Fix bundling of SHUTDOWN with COOKIE-ACK
  Revert "HID: wacom: generic: read the number of expected touches on a per 
collection basis"
  HID: usbhid: Fix race between usbhid_close() and usbhid_stop()
  HID: wacom: Report 2nd-gen Intuos Pro S center button status over BT
  USB: uas: add quirk for LaCie 2Big Quadra
  usb: chipidea: msm: Ensure proper controller reset using role switch API
  USB: serial: garmin_gps: add sanity checking for data length
  tracing/boottime: Fix kprobe event API usage
  tracing/kprobes: Reject new event if loc is NULL
  tracing: Wait for preempt irq delay thread to finish
  tracing: Add a vmalloc_sync_mappings() for safe measure
  crypto: arch/nhpoly1305 - process in explicit 4k chunks
  crypto: arch/lib - limit simd usage to 4k chunks
  KVM: s390: Remove false WARN_ON_ONCE for the PQAP instruction
  KVM: VMX: Explicitly clear RFLAGS.CF and RFLAGS.ZF in VM-Exit RSB path
  KVM: arm: vgic: Fix limit condition when writing to GICD_I[CS]ACTIVER
  KVM: arm64: Fix 32bit PC wrap-around
  arm64: hugetlb: avoid potential NULL dereference
  driver core: platform: Initialize dma_parms for platform devices
  amba: Initialize dma_parms for amba devices
  mei: me: disable mei interface on LBG servers.
  drm: ingenic-drm: add MODULE_DEVICE_TABLE
  drm/amd/display: work around fp code being emitted outside of DC_FP_START/END
  ipc/mqueue.c: change __do_notify() to bypass check_kill_permission()
  epoll: atomically remove wait entry on wake up
  eventpoll: fix missing wakeup for ovflist in ep_poll_callback
  mm/page_alloc: fix watchdog soft lockups during set_zone_contiguous()
  mm: limit boost_watermark on small zones
  ceph: fix endianness bug when handling MDS session feature bits
  ceph: demote quotarealm lookup warning to a debug message
  staging: gasket: Check the return value of gasket_get_bar_index()
  coredump: fix crash when umh is disabled
  riscv: set max_pfn to the PFN of the last page
  iocost: protect iocg->abs_vdebt with iocg->waitq.lock
  batman-adv: fix batadv_nc_random_weight_tq
  batman-adv: Fix refcnt leak in batadv_show_throughput_override
  batman-adv: Fix refcnt leak in batadv_store_throughput_override
  batman-adv: Fix refcnt leak in batadv_v_ogm_process
  x86/mm/cpa: Flush direct map alias during cpa
  x86/entry/64: Fix unwind hints in register clearing code
  x86/entry/64: Fix unwind hints in kernel exit path
  x86/entry/64: Fix unwind hints in __switch_to_asm()
  x86/entry/64: Fix unwind hints in rewind_stack_do_exit()
  x86/unwind/orc: Don't skip the first frame for inactive tasks
  x86/unwind/orc: Prevent unwinding before ORC initialization
  x86/unwind/orc: Fix error path for bad ORC entry type
  x86/unwind/orc: Fix premature unwind stoppage due to IRET frames
  KVM: x86: Fixes posted interrupt check for IRQs delivery modes
  arch/x86/kvm/svm/sev.c: change flag passed to GUP fast in sev_pin_memory()
  netfilter: nat: never update the UDP checksum when it's 0
  netfilter: nf_osf: avoid passing pointer to local var
  kvm: ioapic: Restrict lazy EOI update to edge-triggered interrupts
  objtool: Fix stack offset tracking for indirect CFAs
  iommu/virtio: Reverse arguments to list_add
  scripts/decodecode: fix trapping instruction formatting
  mm, memcg: fix error return value of mem_cgroup_css_alloc()
  bdi: move bdi_dev_name out of line
  bdi: add a ->dev_name field to struct backing_dev_info
  io_uring: don't use 'fd' for openat/openat2/statx
  fsnotify: replace inode pointer with an object id
  fanotify: merge duplicate events on parent and child
  Linux 5.6.13
  UBUNTU: upstream stable to v5.6.13

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