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https://bugs.launchpad.net/bugs/2025387

Title:
  Focal update: v5.4.243 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:

         v5.4.243 upstream stable patchset
         from git://git.kernel.org/

  counter: 104-quad-8: Fix race condition between FLAG and CNTR reads
  drm/fb-helper: set x/yres_virtual in drm_fb_helper_check_var
  bluetooth: Perform careful capability checks in hci_sock_ioctl()
  USB: serial: option: add UNISOC vendor and TOZED LT70C product
  iio: adc: palmas_gpadc: fix NULL dereference on rmmod
  ASoC: Intel: bytcr_rt5640: Add quirk for the Acer Iconia One 7 B1-750
  asm-generic/io.h: suppress endianness warnings for readq() and writeq()
  USB: dwc3: fix runtime pm imbalance on probe errors
  USB: dwc3: fix runtime pm imbalance on unbind
  perf sched: Cast PTHREAD_STACK_MIN to int as it may turn into 
sysconf(__SC_THREAD_STACK_MIN_VALUE)
  staging: iio: resolver: ads1210: fix config mode
  debugfs: regset32: Add Runtime PM support
  xhci: fix debugfs register accesses while suspended
  MIPS: fw: Allow firmware to pass a empty env
  ipmi:ssif: Add send_retries increment
  ipmi: fix SSIF not responding under certain cond.
  kheaders: Use array declaration instead of char
  pwm: meson: Fix axg ao mux parents
  pwm: meson: Fix g12a ao clk81 name
  ring-buffer: Sync IRQ works before buffer destruction
  reiserfs: Add security prefix to xattr name in reiserfs_security_write()
  KVM: nVMX: Emulate NOPs in L2, and PAUSE if it's not intercepted
  i2c: omap: Fix standard mode false ACK readings
  Revert "ubifs: dirty_cow_znode: Fix memleak in error handling path"
  ubifs: Fix memleak when insert_old_idx() failed
  ubi: Fix return value overwrite issue in try_write_vid_and_data()
  ubifs: Free memory for tmpfile name
  selinux: fix Makefile dependencies of flask.h
  selinux: ensure av_permissions.h is built when needed
  tpm, tpm_tis: Do not skip reset of original interrupt vector
  erofs: stop parsing non-compact HEAD index if clusterofs is invalid
  erofs: fix potential overflow calculating xattr_isize
  drm/rockchip: Drop unbalanced obj unref
  drm/vgem: add missing mutex_destroy
  drm/probe-helper: Cancel previous job before starting new one
  arm64: dts: renesas: r8a77990: Remove bogus voltages from OPP table
  arm64: dts: renesas: r8a774c0: Remove bogus voltages from OPP table
  EDAC/skx: Fix overflows on the DRAM row address mapping arrays
  ARM: dts: qcom: ipq4019: Fix the PCI I/O port range
  ARM: dts: qcom: ipq8064: reduce pci IO size to 64K
  ARM: dts: qcom: ipq8064: Fix the PCI I/O port range
  media: bdisp: Add missing check for create_workqueue
  media: uapi: add MEDIA_BUS_FMT_METADATA_FIXED media bus format.
  media: av7110: prevent underflow in write_ts_to_decoder()
  firmware: qcom_scm: Clear download bit during reboot
  drm/msm: fix unbalanced pm_runtime_enable in adreno_gpu_{init, cleanup}
  drm/msm/adreno: Defer enabling runpm until hw_init()
  drm/msm/adreno: drop bogus pm_runtime_set_active()
  mmc: sdhci-of-esdhc: fix quirk to ignore command inhibit for data
  drm/lima/lima_drv: Add missing unwind goto in lima_pdev_probe()
  regulator: core: Consistently set mutex_owner when using ww_mutex_lock_slow()
  regulator: core: Avoid lockdep reports when resolving supplies
  x86/apic: Fix atomic update of offset in reserve_eilvt_offset()
  media: dm1105: Fix use after free bug in dm1105_remove due to race condition
  media: saa7134: fix use after free bug in saa7134_finidev due to race 
condition
  media: rcar_fdp1: simplify error check logic at fdp_open()
  media: rcar_fdp1: fix pm_runtime_get_sync() usage count
  media: rcar_fdp1: Make use of the helper function 
devm_platform_ioremap_resource()
  media: rcar_fdp1: Fix the correct variable assignments
  media: rcar_fdp1: Fix refcount leak in probe and remove function
  media: rc: gpio-ir-recv: Fix support for wake-up
  regulator: stm32-pwr: fix of_iomap leak
  x86/ioapic: Don't return 0 from arch_dynirq_lower_bound()
  arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step
  debugobject: Prevent init race with static objects
  timekeeping: Split jiffies seqlock
  tick/sched: Use tick_next_period for lockless quick check
  tick/sched: Reduce seqcount held scope in tick_do_update_jiffies64()
  tick/sched: Optimize tick_do_update_jiffies64() further
  tick: Get rid of tick_period
  tick/common: Align tick period with the HZ tick.
  wifi: ath6kl: minor fix for allocation size
  wifi: ath9k: hif_usb: fix memory leak of remain_skbs
  wifi: ath5k: fix an off by one check in ath5k_eeprom_read_freq_list()
  wifi: ath6kl: reduce WARN to dev_dbg() in callback
  tools: bpftool: Remove invalid \' json escape
  wifi: rtw88: mac: Return the original error from rtw_pwr_seq_parser()
  wifi: rtw88: mac: Return the original error from rtw_mac_power_switch()
  scm: fix MSG_CTRUNC setting condition for SO_PASSSEC
  vlan: partially enable SIOCSHWTSTAMP in container
  net/packet: annotate accesses to po->xmit
  net/packet: convert po->origdev to an atomic flag
  net/packet: convert po->auxdata to an atomic flag
  scsi: target: iscsit: Fix TAS handling during conn cleanup
  scsi: megaraid: Fix mega_cmd_done() CMDID_INT_CMDS
  f2fs: handle dqget error in f2fs_transfer_project_quota()
  rtlwifi: Start changing RT_TRACE into rtl_dbg
  rtlwifi: Replace RT_TRACE with rtl_dbg
  wifi: rtlwifi: fix incorrect error codes in rtl_debugfs_set_write_rfreg()
  wifi: rtlwifi: fix incorrect error codes in rtl_debugfs_set_write_reg()
  bpftool: Fix bug for long instructions in program CFG dumps
  crypto: drbg - make drbg_prepare_hrng() handle jent instantiation errors
  crypto: drbg - Only fail when jent is unavailable in FIPS mode
  scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()
  bpf, sockmap: fix deadlocks in the sockhash and sockmap
  nvme: handle the persistent internal error AER
  nvme: fix async event trace event
  nvme-fcloop: fix "inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage"
  bpf, sockmap: Revert buggy deadlock fix in the sockhash and sockmap
  md/raid10: fix leak of 'r10bio->remaining' for recovery
  md/raid10: fix memleak for 'conf->bio_split'
  md: update the optimal I/O size on reshape
  md/raid10: fix memleak of md thread
  wifi: iwlwifi: make the loop for card preparation effective
  wifi: iwlwifi: mvm: check firmware response size
  ixgbe: Allow flow hash to be set via ethtool
  ixgbe: Enable setting RSS table to default values
  bpf: Don't EFAULT for getsockopt with optval=NULL
  netfilter: nf_tables: don't write table validation state without mutex
  ipv4: Fix potential uninit variable access bug in __ip_make_skb()
  netlink: Use copy_to_user() for optval in netlink_getsockopt().
  net: amd: Fix link leak when verifying config failed
  tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.
  pstore: Revert pmsg_lock back to a normal mutex
  usb: host: xhci-rcar: remove leftover quirk handling
  fpga: bridge: fix kernel-doc parameter description
  iio: light: max44009: add missing OF device matching
  usb: gadget: udc: renesas_usb3: Fix use after free bug in renesas_usb3_remove 
due to race condition
  PCI: imx6: Install the fault handler only on compatible match
  genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()
  ASoC: es8316: Use IRQF_NO_AUTOEN when requesting the IRQ
  ASoC: es8316: Handle optional IRQ assignment
  linux/vt_buffer.h: allow either builtin or modular for macros
  spi: qup: Don't skip cleanup in remove's error path
  spi: fsl-spi: Fix CPM/QE mode Litte Endian
  vmci_host: fix a race condition in vmci_host_poll() causing GPF
  of: Fix modalias string generation
  ia64: mm/contig: fix section mismatch warning/error
  ia64: salinfo: placate defined-but-not-used warning
  scripts/gdb: bail early if there are no clocks
  PM: domains: Fix up terminology with parent/child
  scripts/gdb: bail early if there are no generic PD
  mtd: spi-nor: cadence-quadspi: Make driver independent of flash geometry
  mtd: spi-nor: cadence-quadspi: Provide a way to disable DAC mode
  mtd: spi-nor: cadence-quadspi: Don't initialize rx_dma_complete on failure
  mtd: spi-nor: cadence-quadspi: Handle probe deferral while requesting DMA 
channel
  spi: cadence-quadspi: fix suspend-resume implementations
  uapi/linux/const.h: prefer ISO-friendly __typeof__
  sh: sq: Fix incorrect element size for allocating bitmap buffer
  usb: chipidea: fix missing goto in `ci_hdrc_probe`
  usb: mtu3: fix kernel panic at qmu transfer done irq handler
  firmware: stratix10-svc: Fix an NULL vs IS_ERR() bug in probe
  tty: serial: fsl_lpuart: adjust buffer length to the intended size
  serial: 8250: Add missing wakeup event reporting
  staging: rtl8192e: Fix W_DISABLE# does not work after stop/start
  spmi: Add a check for remove callback when removing a SPMI driver
  macintosh/windfarm_smu_sat: Add missing of_node_put()
  powerpc/mpc512x: fix resource printk format warning
  powerpc/wii: fix resource printk format warnings
  powerpc/sysdev/tsi108: fix resource printk format warnings
  macintosh: via-pmu-led: requires ATA to be set
  powerpc/rtas: use memmove for potentially overlapping buffer copy
  perf/core: Fix hardlockup failure caused by perf throttle
  RDMA/siw: Fix potential page_array out of range access
  RDMA/rdmavt: Delete unnecessary NULL check
  rtc: omap: include header for omap_rtc_power_off_program prototype
  RDMA/mlx4: Prevent shift wrapping in set_user_sq_size()
  rtc: meson-vrtc: Use ktime_get_real_ts64() to get the current time
  power: supply: generic-adc-battery: fix unit scaling
  clk: add missing of_node_put() in "assigned-clocks" property parsing
  RDMA/siw: Remove namespace check from siw_netdev_event()
  IB/hfi1: Fix SDMA mmu_rb_node not being evicted in LRU order
  NFSv4.1: Always send a RECLAIM_COMPLETE after establishing lease
  firmware: raspberrypi: Keep count of all consumers
  firmware: raspberrypi: Introduce devm_rpi_firmware_get()
  input: raspberrypi-ts: Release firmware handle when not needed
  Input: raspberrypi-ts - fix refcount leak in rpi_ts_probe
  SUNRPC: remove the maximum number of retries in call_bind_status
  RDMA/mlx5: Use correct device num_ports when modify DC
  clocksource/drivers/davinci: Avoid trailing '\n' hidden in pr_fmt()
  clocksource: davinci: axe a pointless __GFP_NOFAIL
  clocksource/drivers/davinci: Fix memory leak in davinci_timer_register when 
init fails
  openrisc: Properly store r31 to pt_regs on unhandled exceptions
  ext4: fix use-after-free read in ext4_find_extent for bigalloc + inline
  leds: TI_LMU_COMMON: select REGMAP instead of depending on it
  dmaengine: mv_xor_v2: Fix an error code.
  pwm: mtk-disp: Don't check the return code of pwmchip_remove()
  pwm: mtk-disp: Adjust the clocks to avoid them mismatch
  pwm: mtk-disp: Disable shadow registers before setting backlight values
  phy: tegra: xusb: Add missing tegra_xusb_port_unregister for usb2_port and 
ulpi_port
  dmaengine: dw-edma: Fix to change for continuous transfer
  dmaengine: dw-edma: Fix to enable to issue dma request on DMA processing
  dmaengine: at_xdmac: do not enable all cyclic channels
  afs: Fix updating of i_size with dv jump from server
  parisc: Fix argument pointer in real64_call_asm()
  nilfs2: do not write dirty data after degenerating to read-only
  nilfs2: fix infinite loop in nilfs_mdt_get_block()
  md/raid10: fix null-ptr-deref in raid10_sync_request
  mailbox: zynqmp: Fix IPI isr handling
  mailbox: zynqmp: Fix typo in IPI documentation
  wifi: rtl8xxxu: RTL8192EU always needs full init
  clk: rockchip: rk3399: allow clk_cifout to force clk_cifout_src to reparent
  scripts/gdb: fix lx-timerlist for Python3
  btrfs: scrub: reject unsupported scrub flags
  s390/dasd: fix hanging blockdevice after request requeue
  dm clone: call kmem_cache_destroy() in dm_clone_init() error path
  dm integrity: call kmem_cache_destroy() in dm_integrity_init() error path
  dm flakey: fix a crash with invalid table line
  dm ioctl: fix nested locking in table_clear() to remove deadlock concern
  perf auxtrace: Fix address filter entire kernel size
  perf intel-pt: Fix CYC timestamps after standalone CBR
  debugobject: Ensure pool refill (again)
  nohz: Add TICK_DEP_BIT_RCU
  tick/nohz: Fix cpu_is_hotpluggable() by checking with nohz subsystem
  mailbox: zynq: Switch to flexible array to simplify code
  mailbox: zynqmp: Fix counts of child nodes
  dm verity: skip redundant verity_handle_err() on I/O errors
  dm verity: fix error handling for check_at_most_once on FEC
  crypto: inside-secure - irq balance
  crypto: safexcel - Cleanup ring IRQ workqueues on load failure
  kernel/relay.c: fix read_pos error when multiple readers
  relayfs: fix out-of-bounds access in relay_file_read
  net/ncsi: clear Tx enable mode when handling a Config required AEN
  net/sched: cls_api: remove block_cb from driver_list before freeing
  sit: update dev->needed_headroom in ipip6_tunnel_bind_dev()
  net: dsa: mv88e6xxx: add mv88e6321 rsvd2cpu
  writeback: fix call of incorrect macro
  net/sched: act_mirred: Add carrier check
  rxrpc: Fix hard call timeout units
  ionic: remove noise from ethtool rxnfc error msg
  af_packet: Don't send zero-byte data in packet_sendmsg_spkt().
  drm/amdgpu: add a missing lock for AMDGPU_SCHED
  ALSA: caiaq: input: Add error handling for unsupported input methods in 
`snd_usb_caiaq_input_init`
  net: dsa: mt7530: fix corrupt frames using trgmii on 40 MHz XTAL MT7621
  virtio_net: split free_unused_bufs()
  virtio_net: suppress cpu stall when free_unused_bufs
  perf vendor events power9: Remove UTF-8 characters from JSON files
  perf map: Delete two variable initialisations before null pointer checks in 
sort__sym_from_cmp()
  perf symbols: Fix return incorrect build_id size in elf_read_build_id()
  btrfs: fix btrfs_prev_leaf() to not return the same key twice
  btrfs: don't free qgroup space unless specified
  btrfs: print-tree: parent bytenr must be aligned to sector size
  cifs: fix pcchunk length type in smb2_copychunk_range
  platform/x86: touchscreen_dmi: Add info for the Dexp Ursus KX210i
  inotify: Avoid reporting event with invalid wd
  sh: math-emu: fix macro redefined warning
  sh: init: use OF_EARLY_FLATTREE for early init
  sh: nmi_debug: fix return value of __setup handler
  remoteproc: stm32: Call of_node_put() on iteration error
  remoteproc: st: Call of_node_put() on iteration error
  ARM: dts: exynos: fix WM8960 clock name in Itop Elite
  ARM: dts: s5pv210: correct MIPI CSIS clock name
  f2fs: fix potential corruption when moving a directory
  drm/panel: otm8009a: Set backlight parent to panel device
  drm/amdgpu: fix an amdgpu_irq_put() issue in gmc_v9_0_hw_fini()
  drm/amdgpu/gfx: disable gfx9 cp_ecc_error_irq only when enabling legacy gfx 
ras
  drm/amdgpu: disable sdma ecc irq only when sdma RAS is enabled in suspend
  HID: wacom: Set a default resolution for older tablets
  HID: wacom: insert timestamp to packed Bluetooth (BT) events
  ext4: fix WARNING in mb_find_extent
  ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
  ext4: fix data races when using cached status extents
  ext4: improve error recovery code paths in __ext4_remount()
  ext4: fix deadlock when converting an inline directory in nojournal mode
  ext4: add bounds checking in get_max_inline_xattr_value_size()
  ext4: bail out of ext4_xattr_ibody_get() fails for any reason
  ext4: remove a BUG_ON in ext4_mb_release_group_pa()
  ext4: fix invalid free tracking in ext4_xattr_move_to_block()
  tty: Prevent writing chars during tcsetattr TCSADRAIN/FLUSH
  serial: 8250: Fix serial8250_tx_empty() race with DMA Tx
  drbd: correctly submit flush bio on barrier
  PCI: pciehp: Use down_read/write_nested(reset_lock) to fix lockdep errors
  PCI: pciehp: Fix AB-BA deadlock between reset_lock and device_lock
  printk: declare printk_deferred_{enter,safe}() in include/linux/printk.h
  PM: domains: Restore comment indentation for generic_pm_domain.child_links
  drm/msm: Fix double pm_runtime_disable() call
  firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe()
  drm/msm/adreno: Fix null ptr access in adreno_gpu_cleanup()
  drm/exynos: move to use request_irq by IRQF_NO_AUTOEN flag
  mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock
  drm/amd/display: Fix hang when skipping modeset
  Linux 5.4.243
  UBUNTU: Upstream stable to v5.4.243

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