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

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https://bugs.launchpad.net/bugs/2060019

Title:
  Focal update: v5.4.270 upstream stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Fix Committed

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:

         v5.4.270 upstream stable release
         from git://git.kernel.org/

  KVM: arm64: vgic-its: Test for valid IRQ in its_sync_lpi_pending_table()
  KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler
  net/sched: Retire CBQ qdisc
  UBUNTU: [Config] updateconfigs for NET_SCH_CBQ
  net/sched: Retire ATM qdisc
  UBUNTU: [Config] updateconfigs for NET_SCH_ATM
  net/sched: Retire dsmark qdisc
  UBUNTU: [Config] updateconfigs for NET_SCH_DSMARK
  sched/rt: sysctl_sched_rr_timeslice show default timeslice after reset
  memcg: add refcnt for pcpu stock to avoid UAF problem in drain_all_stock()
  nilfs2: replace WARN_ONs for invalid DAT metadata block requests
  userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb
  sched/rt: Fix sysctl_sched_rr_timeslice intial value
  sched/rt: Disallow writing invalid values to sched_rt_period_us
  scsi: target: core: Add TMF to tmr_list handling
  dmaengine: shdma: increase size of 'dev_id'
  dmaengine: fsl-qdma: increase size of 'irq_name'
  wifi: cfg80211: fix missing interfaces when dumping
  wifi: mac80211: fix race condition on enabling fast-xmit
  fbdev: savage: Error out if pixclock equals zero
  fbdev: sis: Error out if pixclock equals zero
  ahci: asm1166: correct count of reported ports
  ahci: add 43-bit DMA address quirk for ASMedia ASM1061 controllers
  ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()
  ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
  regulator: pwm-regulator: Add validity checks in continuous .get_voltage
  nvmet-tcp: fix nvme tcp ida memory leak
  ASoC: sunxi: sun4i-spdif: Add support for Allwinner H616
  netfilter: conntrack: check SCTP_CID_SHUTDOWN_ACK for vtag setting in sctp_new
  nvmet-fc: abort command when there is no binding
  hwmon: (coretemp) Enlarge per package core count limit
  scsi: lpfc: Use unsigned type for num_sge
  firewire: core: send bus reset promptly on gap count error
  virtio-blk: Ensure no requests in virtqueues before deleting vqs.
  s390/qeth: Fix potential loss of L3-IP@ in case of network issues
  pmdomain: renesas: r8a77980-sysc: CR7 must be always on
  tcp: factor out __tcp_close() helper
  tcp: return EPOLLOUT from tcp_poll only when notsent_bytes is half the limit
  tcp: add annotations around sk->sk_shutdown accesses
  pinctrl: pinctrl-rockchip: Fix a bunch of kerneldoc misdemeanours
  pinctrl: rockchip: Fix refcount leak in rockchip_pinctrl_parse_groups
  spi: mt7621: Fix an error message in mt7621_spi_probe()
  net: bridge: clear bridge's private skb space on xmit
  selftests/bpf: Avoid running unprivileged tests with alignment requirements
  Revert "drm/sun4i: dsi: Change the start delay calculation"
  drm/amdgpu: Check for valid number of registers to read
  x86/alternatives: Disable KASAN in apply_alternatives()
  dm-integrity: don't modify bio's immutable bio_vec in integrity_metadata()
  iomap: Set all uptodate bits for an Uptodate page
  drm/amdgpu: Fix type of second parameter in trans_msg() callback
  arm64: dts: qcom: msm8916: Fix typo in pronto remoteproc node
  PCI: tegra: Fix reporting GPIO error value
  PCI: tegra: Fix OF node reference leak
  IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
  dm-crypt: don't modify the data when using authenticated encryption
  gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp()
  PCI/MSI: Prevent MSI hardware interrupt number truncation
  l2tp: pass correct message length to ip6_append_data
  ARM: ep93xx: Add terminator to gpiod_lookup_table
  usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()
  usb: cdns3: fix memory double free when handle zero packet
  usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs
  usb: roles: don't get/set_role() when usb_role_switch is unregistered
  IB/hfi1: Fix a memleak in init_credit_return
  RDMA/bnxt_re: Return error for SRQ resize
  RDMA/srpt: Make debug output more detailed
  RDMA/srpt: fix function pointer cast warnings
  scripts/bpf: teach bpf_helpers_doc.py to dump BPF helper definitions
  bpf, scripts: Correct GPL license name
  scsi: jazz_esp: Only build if SCSI core is builtin
  nouveau: fix function cast warnings
  ipv4: properly combine dev_base_seq and ipv4.dev_addr_genid
  ipv6: properly combine dev_base_seq and ipv6.dev_addr_genid
  afs: Increase buffer size in afs_update_volume_status()
  ipv6: sr: fix possible use-after-free and null-ptr-deref
  packet: move from strlcpy with unused retval to strscpy
  s390: use the correct count for __iowrite64_copy()
  tls: rx: jump to a more appropriate label
  tls: rx: drop pointless else after goto
  tls: stop recv() if initial process_rx_list gave us non-DATA
  netfilter: nf_tables: set dormant flag on hook register failure
  drm/syncobj: make lockdep complain on WAIT_FOR_SUBMIT v3
  drm/syncobj: call drm_syncobj_fence_add_wait when WAIT_AVAILABLE flag is set
  fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio
  scripts/bpf: Fix xdp_md forward declaration typo
  Linux 5.4.270
  UBUNTU: Upstream stable to v5.4.270

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