** Changed in: linux (Ubuntu Focal)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/2023930

Title:
  Focal update: v5.4.241 upstream stable release

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  In Progress

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:

         v5.4.241 upstream stable patchset
         from git://git.kernel.org/

  scsi: ses: Handle enclosure with just a primary component gracefully
  x86/PCI: Add quirk for AMD XHCI controller that loses MSI-X state in D3hot
  cgroup/cpuset: Wake up cpuset_attach_wq tasks in cpuset_cancel_attach()
  treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
  smb3: fix problem with null cifs super block with previous patch
  pinctrl: amd: Use irqchip template
  pinctrl: amd: disable and mask interrupts on probe
  pinctrl: amd: Disable and mask interrupts on resume
  pwm: cros-ec: Explicitly set .polarity in .get_state()
  pwm: sprd: Explicitly set .polarity in .get_state()
  wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta
  icmp: guard against too small mtu
  net: don't let netpoll invoke NAPI if in xmit context
  sctp: check send stream number after wait_for_sndbuf
  ipv6: Fix an uninit variable access bug in __ip6_make_skb()
  gpio: davinci: Add irq chip flag to skip set wake
  sunrpc: only free unix grouplist after RCU settles
  NFSD: callback request does not use correct credential for AUTH_SYS
  xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu
  USB: serial: cp210x: add Silicon Labs IFS-USB-DATACABLE IDs
  usb: typec: altmodes/displayport: Fix configure initial pin assignment
  USB: serial: option: add Telit FE990 compositions
  USB: serial: option: add Quectel RM500U-CN modem
  iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
  iio: dac: cio-dac: Fix max DAC write value check for 12-bit
  tty: serial: sh-sci: Fix transmit end interrupt handler
  tty: serial: sh-sci: Fix Rx on RZ/G2L SCI
  tty: serial: fsl_lpuart: avoid checking for transfer complete when 
UARTCTRL_SBK is asserted in lpuart32_tx_empty
  nilfs2: fix potential UAF of struct nilfs_sc_info in nilfs_segctor_thread()
  nilfs2: fix sysfs interface lifetime
  ALSA: hda/realtek: Add quirk for Clevo X370SNW
  perf/core: Fix the same task check in perf_event_set_output
  ftrace: Mark get_lock_parent_ip() __always_inline
  can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access
  tracing: Free error logs of tracing instances
  net_sched: prevent NULL dereference if default qdisc setup failed
  drm/panfrost: Fix the panfrost_mmu_map_fault_addr() error path
  ring-buffer: Fix race while reader and writer are on the same page
  mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
  irqdomain: Look for existing mapping only once
  irqdomain: Refactor __irq_domain_alloc_irqs()
  irqdomain: Fix mapping-creation race
  Revert "pinctrl: amd: Disable and mask interrupts on resume"
  ALSA: emu10k1: fix capture interrupt handler unlinking
  ALSA: hda/sigmatel: add pin overrides for Intel DP45SG motherboard
  ALSA: i2c/cs8427: fix iec958 mixer control deactivation
  ALSA: firewire-tascam: add missing unwind goto in 
snd_tscm_stream_start_duplex()
  ALSA: hda/sigmatel: fix S/PDIF out on Intel D*45* motherboards
  Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
  Bluetooth: Fix race condition in hidp_session_thread
  btrfs: print checksum type and implementation at mount time
  btrfs: fix fast csum implementation detection
  mtdblock: tolerate corrected bit-flips
  mtd: rawnand: meson: fix bitmask for length in command word
  mtd: rawnand: stm32_fmc2: remove unsupported EDO mode
  niu: Fix missing unwind goto in niu_alloc_channels()
  qlcnic: check pci_reset_function result
  sctp: fix a potential overflow in sctp_ifwdtsn_skip
  RDMA/core: Fix GID entry ref leak when create_ah fails
  udp6: fix potential access to stale information
  net: macb: fix a memory corruption in extended buffer descriptor mode
  power: supply: cros_usbpd: reclassify "default case!" as debug
  i2c: imx-lpi2c: clean rx/tx buffers upon new message
  efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L
  drm: panel-orientation-quirks: Add quirk for Lenovo Yoga Book X90F
  verify_pefile: relax wrapper length check
  asymmetric_keys: log on fatal failures in PE/pkcs7
  ubi: Fix failure attaching when vid_hdr offset equals to (sub)page size
  mtd: ubi: wl: Fix a couple of kernel-doc issues
  ubi: Fix deadlock caused by recursively holding work_sem
  i2c: ocores: generate stop condition after timeout in polling mode
  watchdog: sbsa_wdog: Make sure the timeout programming is within the limits
  coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug
  xfs: show the proper user quota options
  xfs: remove the kuid/kgid conversion wrappers
  xfs: add a new xfs_sb_version_has_v3inode helper
  xfs: only check the superblock version for dinode size calculation
  xfs: simplify di_flags2 inheritance in xfs_ialloc
  xfs: simplify a check in xfs_ioctl_setattr_check_cowextsize
  xfs: remove the di_version field from struct icdinode
  xfs: set inode size after creating symlink
  xfs: report corruption only as a regular error
  xfs: shut down the filesystem if we screw up quota reservation
  xfs: consider shutdown in bmapbt cursor delete assert
  xfs: don't reuse busy extents on extent trim
  xfs: force log and push AIL to clear pinned inodes when aborting mount
  Linux 5.4.241
  UBUNTU: Upstream stable to v5.4.241

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