** Changed in: linux (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1914654

Title:
  Focal update: v5.4.91 upstream stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux 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:

         v5.4.91 upstream stable release
         from git://git.kernel.org/

  kbuild: enforce -Werror=return-type
  btrfs: prevent NULL pointer dereference in extent_io_tree_panic
  ASoC: dapm: remove widget from dirty list on free
  x86/hyperv: check cpu mask after interrupt has been disabled
  tracing/kprobes: Do the notrace functions check without kprobes on ftrace
  UBUNTU: [Config] update annotations for KPROBE_EVENTS_ON_NOTRACE
  mips: fix Section mismatch in reference
  mips: lib: uncached: fix non-standard usage of variable 'sp'
  MIPS: boot: Fix unaligned access with CONFIG_MIPS_RAW_APPENDED_DTB
  MIPS: relocatable: fix possible boot hangup with KASLR enabled
  RDMA/ocrdma: Fix use after free in ocrdma_dealloc_ucontext_pd()
  ACPI: scan: Harden acpi_device_add() against device ID overflows
  mm/hugetlb: fix potential missing huge page size info
  dm raid: fix discard limits for raid1
  dm snapshot: flush merged data before committing metadata
  dm integrity: fix the maximum number of arguments
  r8152: Add Lenovo Powered USB-C Travel Hub
  btrfs: tree-checker: check if chunk item end overflows
  drm/i915/backlight: fix CPU mode backlight takeover on LPT
  ext4: fix bug for rename with RENAME_WHITEOUT
  ext4: don't leak old mountpoint samples
  cifs: fix interrupted close commands
  dm integrity: fix flush with external metadata device
  ARC: build: remove non-existing bootpImage from KBUILD_IMAGE
  ARC: build: add uImage.lzma to the top-level target
  ARC: build: add boot_targets to PHONY
  ARC: build: move symlink creation to arch/arc/Makefile to avoid race
  netfilter: ipset: fixes possible oops in mtype_resize
  btrfs: fix transaction leak and crash after RO remount caused by qgroup rescan
  regulator: bd718x7: Add enable times
  ethernet: ucc_geth: fix definition and size of ucc_geth_tx_global_pram
  habanalabs: register to pci shutdown callback
  habanalabs: Fix memleak in hl_device_reset
  hwmon: (pwm-fan) Ensure that calculation doesn't discard big period values
  lib/raid6: Let $(UNROLL) rules work with macOS userland
  bfq: Fix computation of shallow depth
  arch/arc: add copy_user_page() to <asm/page.h> to fix build error on ARC
  misdn: dsp: select CONFIG_BITREVERSE
  net: ethernet: fs_enet: Add missing MODULE_LICENSE
  nvme-pci: mark Samsung PM1725a as IGNORE_DEV_SUBNQN
  nvmet-rdma: Fix list_del corruption on queue establishment failure
  drm/amdgpu: fix a GPU hang issue when remove device
  usb: typec: Fix copy paste error for NVIDIA alt-mode description
  ACPI: scan: add stub acpi_create_platform_device() for !CONFIG_ACPI
  drm/msm: Call msm_init_vram before binding the gpu
  ARM: picoxcell: fix missing interrupt-parent properties
  perf intel-pt: Fix 'CPU too large' error
  dump_common_audit_data(): fix racy accesses to ->d_name
  ASoC: meson: axg-tdm-interface: fix loopback
  ASoC: meson: axg-tdmin: fix axg skew offset
  ASoC: Intel: fix error code cnl_set_dsp_D0()
  nvme-tcp: fix possible data corruption with bio merges
  NFS4: Fix use-after-free in trace_event_raw_event_nfs4_set_lock
  pNFS: We want return-on-close to complete when evicting the inode
  pNFS: Mark layout for return if return-on-close was not sent
  pNFS: Stricter ordering of layoutget and layoutreturn
  NFS/pNFS: Fix a leak of the layout 'plh_outstanding' counter
  NFS: nfs_igrab_and_active must first reference the superblock
  ext4: fix superblock checksum failure when setting password salt
  RDMA/restrack: Don't treat as an error allocation ID wrapping
  RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
  bnxt_en: Improve stats context resource accounting with RDMA driver loaded.
  RDMA/mlx5: Fix wrong free of blue flame register on error
  IB/mlx5: Fix error unwinding when set_has_smi_cap fails
  drm/i915/dsi: Use unconditional msleep for the panel_on_delay when there is 
no reset-deassert MIPI-sequence
  mm, slub: consider rest of partial list if acquire_slab() fails
  iommu/vt-d: Fix unaligned addresses for intel_flush_svm_range_dev()
  net: sunrpc: interpret the return value of kstrtou32 correctly
  dm: eliminate potential source of excessive kernel log noise
  ALSA: fireface: Fix integer overflow in transmit_midi_msg()
  ALSA: firewire-tascam: Fix integer overflow in midi_port_work()
  netfilter: conntrack: fix reading nf_conntrack_buckets
  netfilter: nf_nat: Fix memleak in nf_nat_init
  netfilter: nft_compat: remove flush counter optimization
  Linux 5.4.91
  UBUNTU: upstream stable to v5.4.91

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