Public bug reported:

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:

       v5.4.62 upstream stable release
       from git://git.kernel.org/

binfmt_flat: revert "binfmt_flat: don't offset the data start"
gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
net: Fix potential wrong skb->protocol in skb_vlan_untag()
net: nexthop: don't allow empty NHA_GROUP
net: qrtr: fix usage of idr in port assignment to socket
net: sctp: Fix negotiation of the number of data streams.
net/smc: Prevent kernel-infoleak in __smc_diag_dump()
tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
net: ena: Make missed_tx stat incremental
net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments() error flow
ipvlan: fix device features
ALSA: pci: delete repeated words in comments
ALSA: hda/realtek: Fix pin default on Intel NUC 8 Rugged
ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt
ASoC: img-parallel-out: Fix a reference count leak
ASoC: tegra: Fix reference count leaks.
mfd: intel-lpss: Add Intel Emmitsburg PCH PCI IDs
arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep
powerpc/xive: Ignore kmemleak false positives
media: pci: ttpci: av7110: fix possible buffer overflow caused by bad DMA value 
in debiirq()
blktrace: ensure our debugfs dir exists
scsi: target: tcmu: Fix crash on ARM during cmd completion
mfd: intel-lpss: Add Intel Tiger Lake PCH-H PCI IDs
iommu/iova: Don't BUG on invalid PFNs
drm/amdkfd: Fix reference count leaks.
drm/radeon: fix multiple reference count leak
drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config
drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails
scsi: lpfc: Fix shost refcount mismatch when deleting vport
xfs: Don't allow logging of XFS_ISTALE inodes
scsi: target: Fix xcopy sess release leak
selftests/powerpc: Purge extra count_pmc() calls of ebb selftests
f2fs: fix error path in do_recover_data()
omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
PCI: Fix pci_create_slot() reference count leak
ARM: dts: ls1021a: output PPS signal on FIPER2
rtlwifi: rtl8192cu: Prevent leaking urb
mips/vdso: Fix resource leaks in genvdso.c
cec-api: prevent leaking memory through hole in structure
HID: quirks: add NOGET quirk for Logitech GROUP
f2fs: fix use-after-free issue
drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_open
drm/nouveau: fix reference count leak in nv50_disp_atomic_commit
drm/nouveau: Fix reference count leak in nouveau_connector_detect
locking/lockdep: Fix overflow in presentation of average lock-time
btrfs: file: reserve qgroup space after the hole punch range is locked
btrfs: make btrfs_qgroup_check_reserved_leak take btrfs_inode
scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
ceph: fix potential mdsc use-after-free crash
ceph: do not access the kiocb after aio requests
scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
EDAC/ie31200: Fallback if host bridge device is already initialized
hugetlbfs: prevent filesystem stacking of hugetlbfs
media: davinci: vpif_capture: fix potential double free
KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe
powerpc/spufs: add CONFIG_COREDUMP dependency
USB: sisusbvga: Fix a potential UB casued by left shifting a negative value
brcmfmac: Set timeout value when configuring power save
efi: provide empty efi_enter_virtual_mode implementation
arm64: Fix __cpu_logical_map undefined issue
Revert "ath10k: fix DMA related firmware crashes on multiple devices"
sched/uclamp: Protect uclamp fast path code with static key
sched/uclamp: Fix a deadlock when enabling uclamp static key
usb: cdns3: gadget: always zeroed TRB buffer when enable endpoint
PM / devfreq: rk3399_dmc: Add missing of_node_put()
PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails
PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
drm/xen: fix passing zero to 'PTR_ERR' warning
drm/xen-front: Fix misused IS_ERR_OR_NULL checks
s390/numa: set node distance to LOCAL_DISTANCE
btrfs: factor out inode items copy loop from btrfs_log_inode()
btrfs: only commit the delayed inode when doing a full fsync
btrfs: only commit delayed items at fsync if we are logging a directory
mm/shuffle: don't move pages between zones and don't read garbage memmaps
mm: fix kthread_use_mm() vs TLB invalidate
mm/cma.c: switch to bitmap_zalloc() for cma bitmap allocation
cma: don't quit at first error when activating reserved areas
gpu/drm: ingenic: Use the plane's src_[x,y] to configure DMA length
drm/ingenic: Fix incorrect assumption about plane->index
drm/amd/display: Trigger modesets on MST DSC connectors
drm/amd/display: Add additional config guards for DCN
drm/amd/display: Fix dmesg warning from setting abm level
mm/vunmap: add cond_resched() in vunmap_pmd_range
EDAC: sb_edac: get rid of unused vars
EDAC: skx_common: get rid of unused type var
EDAC/{i7core,sb,pnd2,skx}: Fix error event severity
PCI: qcom: Add missing ipq806x clocks in PCIe driver
PCI: qcom: Change duplicate PCI reset to phy reset
PCI: qcom: Add missing reset for ipq806x
cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
ALSA: usb-audio: Add capture support for Saffire 6 (USB 1.1)
media: gpio-ir-tx: improve precision of transmitted signal due to scheduling
block: respect queue limit of max discard segment
block: virtio_blk: fix handling single range discard request
drm/msm/adreno: fix updating ring fence
block: Fix page_is_mergeable() for compound pages
bfq: fix blkio cgroup leakage v4
hwmon: (nct7904) Correct divide by 0
blk-mq: insert request not through ->queue_rq into sw/scheduler queue
blkcg: fix memleak for iolatency
nvme-fc: Fix wrong return value in __nvme_fc_init_request()
nvme: multipath: round-robin: fix single non-optimized path case
null_blk: fix passing of REQ_FUA flag in null_handle_rq
i2c: core: Don't fail PRP0001 enumeration when no ID table exist
i2c: rcar: in slave mode, clear NACK earlier
usb: gadget: f_tcm: Fix some resource leaks in some error paths
spi: stm32: clear only asserted irq flags on interrupt
jbd2: make sure jh have b_transaction set in refile/unfile_buffer
ext4: don't BUG on inconsistent journal feature
ext4: handle read only external journal device
jbd2: abort journal if free a async write error metadata buffer
ext4: handle option set by mount flags correctly
ext4: handle error of ext4_setup_system_zone() on remount
ext4: correctly restore system zone info when remount fails
fs: prevent BUG_ON in submit_bh_wbc()
spi: stm32h7: fix race condition at end of transfer
spi: stm32: fix fifo threshold level in case of short transfer
spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
spi: stm32: always perform registers configuration prior to transfer
drm/amd/powerplay: correct Vega20 cached smu feature state
drm/amd/powerplay: correct UVD/VCE PG state on custom pptable uploading
drm/amd/display: Switch to immediate mode for updating infopackets
netfilter: avoid ipv6 -> nf_defrag_ipv6 module dependency
can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect 
corruptions
ALSA: hda/realtek: Add model alc298-samsung-headphone
s390/cio: add cond_resched() in the slow_eval_known_fn() loop
ASoC: wm8994: Avoid attempts to read unreadable registers
selftests: disable rp_filter for icmp_redirect.sh
scsi: fcoe: Fix I/O path allocation
scsi: ufs: Fix possible infinite loop in ufshcd_hold
scsi: ufs: Improve interrupt handling for shared interrupts
scsi: ufs: Clean up completed request without interrupt notification
scsi: qla2xxx: Fix login timeout
scsi: qla2xxx: Check if FW supports MQ before enabling
scsi: qla2xxx: Fix null pointer access during disconnect from subsystem
Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"
macvlan: validate setting of multiple remote source MAC addresses
net: gianfar: Add of_node_put() before goto statement
powerpc/perf: Fix soft lockups due to missed interrupt accounting
arm64: Move handling of erratum 1418040 into C code
arm64: Allow booting of late CPUs affected by erratum 1418040
block: fix get_max_io_size()
block: loop: set discard granularity and alignment for block device backed loop
HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART
btrfs: reset compression level for lzo on remount
btrfs: check the right error variable in btrfs_del_dir_entries_in_log
btrfs: fix space cache memory leak after transaction abort
btrfs: detect nocow for swap after snapshot delete
fbcon: prevent user font height or width change from causing potential 
out-of-bounds access
USB: lvtest: return proper error code in probe
vt: defer kfree() of vc_screenbuf in vc_do_resize()
vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
serial: samsung: Removes the IRQ not found warning
serial: pl011: Fix oops on -EPROBE_DEFER
serial: pl011: Don't leak amba_ports entry on driver register error
serial: stm32: avoid kernel warning on absence of optional IRQ
serial: 8250_exar: Fix number of ports for Commtech PCIe cards
serial: 8250: change lock order in serial8250_do_startup()
writeback: Protect inode->i_io_list with inode->i_lock
writeback: Avoid skipping inode writeback
writeback: Fix sync livelock due to b_dirty_time processing
XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN 
data pointer which contains XEN specific information.
usb: host: xhci: fix ep context print mismatch in debugfs
xhci: Do warm-reset when both CAS and XDEV_RESUME are set
xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
ARM64: vdso32: Install vdso32 from vdso_install
arm64: vdso32: make vdso32 install conditional
PM: sleep: core: Fix the handling of pending runtime resume requests
powerpc/perf: Fix crashes with generic_compat_pmu & BHRB
device property: Fix the secondary firmware node handling in 
set_primary_fwnode()
crypto: af_alg - Work around empty control messages without MSG_MORE
genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by 
mistake
x86/hotplug: Silence APIC only after all interrupts are migrated
drm/amdgpu: Fix buffer overflow in INFO ioctl
drm/amdgpu/gfx10: refine mgcg setting
drm/amd/powerplay: Fix hardmins not being sent to SMU for RV
drm/amd/pm: correct Vega10 swctf limit setting
drm/amd/pm: correct Vega12 swctf limit setting
drm/amd/pm: correct Vega20 swctf limit setting
drm/amd/pm: correct the thermal alert temperature limit settings
USB: yurex: Fix bad gfp argument
usb: uas: Add quirk for PNY Pro Elite
USB: quirks: Add no-lpm quirk for another Raydium touchscreen
USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
USB: gadget: u_f: add overflow checks to VLA macros
USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
USB: gadget: u_f: Unbreak offset calculation in VLAs
USB: cdc-acm: rework notification_buffer resizing
usb: storage: Add unusual_uas entry for Sony PSZ drives
drm/i915: Fix cmd parser desc matching with masks
usb: dwc3: gadget: Don't setup more than requested
usb: dwc3: gadget: Fix handling ZLP
usb: dwc3: gadget: Handle ZLP for sg requests
fbmem: pull fbcon_update_vcs() out of fb_set_var()
kheaders: remove unneeded 'cat' command piped to 'head' / 'tail'
kheaders: optimize md5sum calculation for in-tree builds
kheaders: optimize header copy for in-tree builds
kheaders: remove the last bashism to allow sh to run it
kheaders: explain why include/config/autoconf.h is excluded from md5sum
kbuild: add variables for compression tools
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
ALSA: usb-audio: Update documentation comment for MS2109 quirk
io_uring: Fix NULL pointer dereference in io_sq_wq_submit_work()
Linux 5.4.62
UBUNTU: upstream stable to v5.4.62

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Affects: linux (Ubuntu Focal)
     Importance: Undecided
     Assignee: Kamal Mostafa (kamalmostafa)
         Status: In Progress


** Tags: kernel-stable-tracking-bug

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

** Tags added: kernel-stable-tracking-bug

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

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

** Description changed:

+ SRU Justification
  
-     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:
  
-     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:
+        v5.4.62 upstream stable release
+        from git://git.kernel.org/
  
-        v5.4.62 upstream stable release
-        from git://git.kernel.org/
+ binfmt_flat: revert "binfmt_flat: don't offset the data start"
+ gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
+ net: Fix potential wrong skb->protocol in skb_vlan_untag()
+ net: nexthop: don't allow empty NHA_GROUP
+ net: qrtr: fix usage of idr in port assignment to socket
+ net: sctp: Fix negotiation of the number of data streams.
+ net/smc: Prevent kernel-infoleak in __smc_diag_dump()
+ tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
+ net: ena: Make missed_tx stat incremental
+ net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments() error flow
+ ipvlan: fix device features
+ ALSA: pci: delete repeated words in comments
+ ALSA: hda/realtek: Fix pin default on Intel NUC 8 Rugged
+ ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt
+ ASoC: img-parallel-out: Fix a reference count leak
+ ASoC: tegra: Fix reference count leaks.
+ mfd: intel-lpss: Add Intel Emmitsburg PCH PCI IDs
+ arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep
+ powerpc/xive: Ignore kmemleak false positives
+ media: pci: ttpci: av7110: fix possible buffer overflow caused by bad DMA 
value in debiirq()
+ blktrace: ensure our debugfs dir exists
+ scsi: target: tcmu: Fix crash on ARM during cmd completion
+ mfd: intel-lpss: Add Intel Tiger Lake PCH-H PCI IDs
+ iommu/iova: Don't BUG on invalid PFNs
+ drm/amdkfd: Fix reference count leaks.
+ drm/radeon: fix multiple reference count leak
+ drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
+ drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
+ drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config
+ drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails
+ scsi: lpfc: Fix shost refcount mismatch when deleting vport
+ xfs: Don't allow logging of XFS_ISTALE inodes
+ scsi: target: Fix xcopy sess release leak
+ selftests/powerpc: Purge extra count_pmc() calls of ebb selftests
+ f2fs: fix error path in do_recover_data()
+ omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
+ PCI: Fix pci_create_slot() reference count leak
+ ARM: dts: ls1021a: output PPS signal on FIPER2
+ rtlwifi: rtl8192cu: Prevent leaking urb
+ mips/vdso: Fix resource leaks in genvdso.c
+ cec-api: prevent leaking memory through hole in structure
+ HID: quirks: add NOGET quirk for Logitech GROUP
+ f2fs: fix use-after-free issue
+ drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_open
+ drm/nouveau: fix reference count leak in nv50_disp_atomic_commit
+ drm/nouveau: Fix reference count leak in nouveau_connector_detect
+ locking/lockdep: Fix overflow in presentation of average lock-time
+ btrfs: file: reserve qgroup space after the hole punch range is locked
+ btrfs: make btrfs_qgroup_check_reserved_leak take btrfs_inode
+ scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
+ ceph: fix potential mdsc use-after-free crash
+ ceph: do not access the kiocb after aio requests
+ scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
+ EDAC/ie31200: Fallback if host bridge device is already initialized
+ hugetlbfs: prevent filesystem stacking of hugetlbfs
+ media: davinci: vpif_capture: fix potential double free
+ KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe
+ powerpc/spufs: add CONFIG_COREDUMP dependency
+ USB: sisusbvga: Fix a potential UB casued by left shifting a negative value
+ brcmfmac: Set timeout value when configuring power save
+ efi: provide empty efi_enter_virtual_mode implementation
+ arm64: Fix __cpu_logical_map undefined issue
+ Revert "ath10k: fix DMA related firmware crashes on multiple devices"
+ sched/uclamp: Protect uclamp fast path code with static key
+ sched/uclamp: Fix a deadlock when enabling uclamp static key
+ usb: cdns3: gadget: always zeroed TRB buffer when enable endpoint
+ PM / devfreq: rk3399_dmc: Add missing of_node_put()
+ PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails
+ PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
+ drm/xen: fix passing zero to 'PTR_ERR' warning
+ drm/xen-front: Fix misused IS_ERR_OR_NULL checks
+ s390/numa: set node distance to LOCAL_DISTANCE
+ btrfs: factor out inode items copy loop from btrfs_log_inode()
+ btrfs: only commit the delayed inode when doing a full fsync
+ btrfs: only commit delayed items at fsync if we are logging a directory
+ mm/shuffle: don't move pages between zones and don't read garbage memmaps
+ mm: fix kthread_use_mm() vs TLB invalidate
+ mm/cma.c: switch to bitmap_zalloc() for cma bitmap allocation
+ cma: don't quit at first error when activating reserved areas
+ gpu/drm: ingenic: Use the plane's src_[x,y] to configure DMA length
+ drm/ingenic: Fix incorrect assumption about plane->index
+ drm/amd/display: Trigger modesets on MST DSC connectors
+ drm/amd/display: Add additional config guards for DCN
+ drm/amd/display: Fix dmesg warning from setting abm level
+ mm/vunmap: add cond_resched() in vunmap_pmd_range
+ EDAC: sb_edac: get rid of unused vars
+ EDAC: skx_common: get rid of unused type var
+ EDAC/{i7core,sb,pnd2,skx}: Fix error event severity
+ PCI: qcom: Add missing ipq806x clocks in PCIe driver
+ PCI: qcom: Change duplicate PCI reset to phy reset
+ PCI: qcom: Add missing reset for ipq806x
+ cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
+ ALSA: usb-audio: Add capture support for Saffire 6 (USB 1.1)
+ media: gpio-ir-tx: improve precision of transmitted signal due to scheduling
+ block: respect queue limit of max discard segment
+ block: virtio_blk: fix handling single range discard request
+ drm/msm/adreno: fix updating ring fence
+ block: Fix page_is_mergeable() for compound pages
+ bfq: fix blkio cgroup leakage v4
+ hwmon: (nct7904) Correct divide by 0
+ blk-mq: insert request not through ->queue_rq into sw/scheduler queue
+ blkcg: fix memleak for iolatency
+ nvme-fc: Fix wrong return value in __nvme_fc_init_request()
+ nvme: multipath: round-robin: fix single non-optimized path case
+ null_blk: fix passing of REQ_FUA flag in null_handle_rq
+ i2c: core: Don't fail PRP0001 enumeration when no ID table exist
+ i2c: rcar: in slave mode, clear NACK earlier
+ usb: gadget: f_tcm: Fix some resource leaks in some error paths
+ spi: stm32: clear only asserted irq flags on interrupt
+ jbd2: make sure jh have b_transaction set in refile/unfile_buffer
+ ext4: don't BUG on inconsistent journal feature
+ ext4: handle read only external journal device
+ jbd2: abort journal if free a async write error metadata buffer
+ ext4: handle option set by mount flags correctly
+ ext4: handle error of ext4_setup_system_zone() on remount
+ ext4: correctly restore system zone info when remount fails
+ fs: prevent BUG_ON in submit_bh_wbc()
+ spi: stm32h7: fix race condition at end of transfer
+ spi: stm32: fix fifo threshold level in case of short transfer
+ spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
+ spi: stm32: always perform registers configuration prior to transfer
+ drm/amd/powerplay: correct Vega20 cached smu feature state
+ drm/amd/powerplay: correct UVD/VCE PG state on custom pptable uploading
+ drm/amd/display: Switch to immediate mode for updating infopackets
+ netfilter: avoid ipv6 -> nf_defrag_ipv6 module dependency
+ can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect 
corruptions
+ ALSA: hda/realtek: Add model alc298-samsung-headphone
+ s390/cio: add cond_resched() in the slow_eval_known_fn() loop
+ ASoC: wm8994: Avoid attempts to read unreadable registers
+ selftests: disable rp_filter for icmp_redirect.sh
+ scsi: fcoe: Fix I/O path allocation
+ scsi: ufs: Fix possible infinite loop in ufshcd_hold
+ scsi: ufs: Improve interrupt handling for shared interrupts
+ scsi: ufs: Clean up completed request without interrupt notification
+ scsi: qla2xxx: Fix login timeout
+ scsi: qla2xxx: Check if FW supports MQ before enabling
+ scsi: qla2xxx: Fix null pointer access during disconnect from subsystem
+ Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"
+ macvlan: validate setting of multiple remote source MAC addresses
+ net: gianfar: Add of_node_put() before goto statement
+ powerpc/perf: Fix soft lockups due to missed interrupt accounting
+ arm64: Move handling of erratum 1418040 into C code
+ arm64: Allow booting of late CPUs affected by erratum 1418040
+ block: fix get_max_io_size()
+ block: loop: set discard granularity and alignment for block device backed 
loop
+ HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
+ blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART
+ btrfs: reset compression level for lzo on remount
+ btrfs: check the right error variable in btrfs_del_dir_entries_in_log
+ btrfs: fix space cache memory leak after transaction abort
+ btrfs: detect nocow for swap after snapshot delete
+ fbcon: prevent user font height or width change from causing potential 
out-of-bounds access
+ USB: lvtest: return proper error code in probe
+ vt: defer kfree() of vc_screenbuf in vc_do_resize()
+ vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
+ serial: samsung: Removes the IRQ not found warning
+ serial: pl011: Fix oops on -EPROBE_DEFER
+ serial: pl011: Don't leak amba_ports entry on driver register error
+ serial: stm32: avoid kernel warning on absence of optional IRQ
+ serial: 8250_exar: Fix number of ports for Commtech PCIe cards
+ serial: 8250: change lock order in serial8250_do_startup()
+ writeback: Protect inode->i_io_list with inode->i_lock
+ writeback: Avoid skipping inode writeback
+ writeback: Fix sync livelock due to b_dirty_time processing
+ XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN 
data pointer which contains XEN specific information.
+ usb: host: xhci: fix ep context print mismatch in debugfs
+ xhci: Do warm-reset when both CAS and XDEV_RESUME are set
+ xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
+ ARM64: vdso32: Install vdso32 from vdso_install
+ arm64: vdso32: make vdso32 install conditional
+ PM: sleep: core: Fix the handling of pending runtime resume requests
+ powerpc/perf: Fix crashes with generic_compat_pmu & BHRB
+ device property: Fix the secondary firmware node handling in 
set_primary_fwnode()
+ crypto: af_alg - Work around empty control messages without MSG_MORE
+ genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
+ irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by 
mistake
+ x86/hotplug: Silence APIC only after all interrupts are migrated
+ drm/amdgpu: Fix buffer overflow in INFO ioctl
+ drm/amdgpu/gfx10: refine mgcg setting
+ drm/amd/powerplay: Fix hardmins not being sent to SMU for RV
+ drm/amd/pm: correct Vega10 swctf limit setting
+ drm/amd/pm: correct Vega12 swctf limit setting
+ drm/amd/pm: correct Vega20 swctf limit setting
+ drm/amd/pm: correct the thermal alert temperature limit settings
+ USB: yurex: Fix bad gfp argument
+ usb: uas: Add quirk for PNY Pro Elite
+ USB: quirks: Add no-lpm quirk for another Raydium touchscreen
+ USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
+ USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
+ usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
+ USB: gadget: u_f: add overflow checks to VLA macros
+ USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
+ USB: gadget: u_f: Unbreak offset calculation in VLAs
+ USB: cdc-acm: rework notification_buffer resizing
+ usb: storage: Add unusual_uas entry for Sony PSZ drives
+ drm/i915: Fix cmd parser desc matching with masks
+ usb: dwc3: gadget: Don't setup more than requested
+ usb: dwc3: gadget: Fix handling ZLP
+ usb: dwc3: gadget: Handle ZLP for sg requests
+ fbmem: pull fbcon_update_vcs() out of fb_set_var()
+ kheaders: remove unneeded 'cat' command piped to 'head' / 'tail'
+ kheaders: optimize md5sum calculation for in-tree builds
+ kheaders: optimize header copy for in-tree builds
+ kheaders: remove the last bashism to allow sh to run it
+ kheaders: explain why include/config/autoconf.h is excluded from md5sum
+ kbuild: add variables for compression tools
+ kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
+ HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
+ ALSA: usb-audio: Update documentation comment for MS2109 quirk
+ io_uring: Fix NULL pointer dereference in io_sq_wq_submit_work()
+ Linux 5.4.62
+ UBUNTU: upstream stable to v5.4.62

** Changed in: linux (Ubuntu Focal)
     Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)

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https://bugs.launchpad.net/bugs/1895174

Title:
  Focal update: v5.4.62 upstream stable release

Status in linux package in Ubuntu:
  Confirmed
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:

         v5.4.62 upstream stable release
         from git://git.kernel.org/

  binfmt_flat: revert "binfmt_flat: don't offset the data start"
  gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
  net: Fix potential wrong skb->protocol in skb_vlan_untag()
  net: nexthop: don't allow empty NHA_GROUP
  net: qrtr: fix usage of idr in port assignment to socket
  net: sctp: Fix negotiation of the number of data streams.
  net/smc: Prevent kernel-infoleak in __smc_diag_dump()
  tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
  net: ena: Make missed_tx stat incremental
  net/sched: act_ct: Fix skb double-free in tcf_ct_handle_fragments() error flow
  ipvlan: fix device features
  ALSA: pci: delete repeated words in comments
  ALSA: hda/realtek: Fix pin default on Intel NUC 8 Rugged
  ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt
  ASoC: img-parallel-out: Fix a reference count leak
  ASoC: tegra: Fix reference count leaks.
  mfd: intel-lpss: Add Intel Emmitsburg PCH PCI IDs
  arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep
  powerpc/xive: Ignore kmemleak false positives
  media: pci: ttpci: av7110: fix possible buffer overflow caused by bad DMA 
value in debiirq()
  blktrace: ensure our debugfs dir exists
  scsi: target: tcmu: Fix crash on ARM during cmd completion
  mfd: intel-lpss: Add Intel Tiger Lake PCH-H PCI IDs
  iommu/iova: Don't BUG on invalid PFNs
  drm/amdkfd: Fix reference count leaks.
  drm/radeon: fix multiple reference count leak
  drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
  drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
  drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config
  drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails
  scsi: lpfc: Fix shost refcount mismatch when deleting vport
  xfs: Don't allow logging of XFS_ISTALE inodes
  scsi: target: Fix xcopy sess release leak
  selftests/powerpc: Purge extra count_pmc() calls of ebb selftests
  f2fs: fix error path in do_recover_data()
  omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
  PCI: Fix pci_create_slot() reference count leak
  ARM: dts: ls1021a: output PPS signal on FIPER2
  rtlwifi: rtl8192cu: Prevent leaking urb
  mips/vdso: Fix resource leaks in genvdso.c
  cec-api: prevent leaking memory through hole in structure
  HID: quirks: add NOGET quirk for Logitech GROUP
  f2fs: fix use-after-free issue
  drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_open
  drm/nouveau: fix reference count leak in nv50_disp_atomic_commit
  drm/nouveau: Fix reference count leak in nouveau_connector_detect
  locking/lockdep: Fix overflow in presentation of average lock-time
  btrfs: file: reserve qgroup space after the hole punch range is locked
  btrfs: make btrfs_qgroup_check_reserved_leak take btrfs_inode
  scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
  ceph: fix potential mdsc use-after-free crash
  ceph: do not access the kiocb after aio requests
  scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
  EDAC/ie31200: Fallback if host bridge device is already initialized
  hugetlbfs: prevent filesystem stacking of hugetlbfs
  media: davinci: vpif_capture: fix potential double free
  KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe
  powerpc/spufs: add CONFIG_COREDUMP dependency
  USB: sisusbvga: Fix a potential UB casued by left shifting a negative value
  brcmfmac: Set timeout value when configuring power save
  efi: provide empty efi_enter_virtual_mode implementation
  arm64: Fix __cpu_logical_map undefined issue
  Revert "ath10k: fix DMA related firmware crashes on multiple devices"
  sched/uclamp: Protect uclamp fast path code with static key
  sched/uclamp: Fix a deadlock when enabling uclamp static key
  usb: cdns3: gadget: always zeroed TRB buffer when enable endpoint
  PM / devfreq: rk3399_dmc: Add missing of_node_put()
  PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails
  PM / devfreq: rk3399_dmc: Fix kernel oops when rockchip,pmu is absent
  drm/xen: fix passing zero to 'PTR_ERR' warning
  drm/xen-front: Fix misused IS_ERR_OR_NULL checks
  s390/numa: set node distance to LOCAL_DISTANCE
  btrfs: factor out inode items copy loop from btrfs_log_inode()
  btrfs: only commit the delayed inode when doing a full fsync
  btrfs: only commit delayed items at fsync if we are logging a directory
  mm/shuffle: don't move pages between zones and don't read garbage memmaps
  mm: fix kthread_use_mm() vs TLB invalidate
  mm/cma.c: switch to bitmap_zalloc() for cma bitmap allocation
  cma: don't quit at first error when activating reserved areas
  gpu/drm: ingenic: Use the plane's src_[x,y] to configure DMA length
  drm/ingenic: Fix incorrect assumption about plane->index
  drm/amd/display: Trigger modesets on MST DSC connectors
  drm/amd/display: Add additional config guards for DCN
  drm/amd/display: Fix dmesg warning from setting abm level
  mm/vunmap: add cond_resched() in vunmap_pmd_range
  EDAC: sb_edac: get rid of unused vars
  EDAC: skx_common: get rid of unused type var
  EDAC/{i7core,sb,pnd2,skx}: Fix error event severity
  PCI: qcom: Add missing ipq806x clocks in PCIe driver
  PCI: qcom: Change duplicate PCI reset to phy reset
  PCI: qcom: Add missing reset for ipq806x
  cpufreq: intel_pstate: Fix EPP setting via sysfs in active mode
  ALSA: usb-audio: Add capture support for Saffire 6 (USB 1.1)
  media: gpio-ir-tx: improve precision of transmitted signal due to scheduling
  block: respect queue limit of max discard segment
  block: virtio_blk: fix handling single range discard request
  drm/msm/adreno: fix updating ring fence
  block: Fix page_is_mergeable() for compound pages
  bfq: fix blkio cgroup leakage v4
  hwmon: (nct7904) Correct divide by 0
  blk-mq: insert request not through ->queue_rq into sw/scheduler queue
  blkcg: fix memleak for iolatency
  nvme-fc: Fix wrong return value in __nvme_fc_init_request()
  nvme: multipath: round-robin: fix single non-optimized path case
  null_blk: fix passing of REQ_FUA flag in null_handle_rq
  i2c: core: Don't fail PRP0001 enumeration when no ID table exist
  i2c: rcar: in slave mode, clear NACK earlier
  usb: gadget: f_tcm: Fix some resource leaks in some error paths
  spi: stm32: clear only asserted irq flags on interrupt
  jbd2: make sure jh have b_transaction set in refile/unfile_buffer
  ext4: don't BUG on inconsistent journal feature
  ext4: handle read only external journal device
  jbd2: abort journal if free a async write error metadata buffer
  ext4: handle option set by mount flags correctly
  ext4: handle error of ext4_setup_system_zone() on remount
  ext4: correctly restore system zone info when remount fails
  fs: prevent BUG_ON in submit_bh_wbc()
  spi: stm32h7: fix race condition at end of transfer
  spi: stm32: fix fifo threshold level in case of short transfer
  spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
  spi: stm32: always perform registers configuration prior to transfer
  drm/amd/powerplay: correct Vega20 cached smu feature state
  drm/amd/powerplay: correct UVD/VCE PG state on custom pptable uploading
  drm/amd/display: Switch to immediate mode for updating infopackets
  netfilter: avoid ipv6 -> nf_defrag_ipv6 module dependency
  can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect 
corruptions
  ALSA: hda/realtek: Add model alc298-samsung-headphone
  s390/cio: add cond_resched() in the slow_eval_known_fn() loop
  ASoC: wm8994: Avoid attempts to read unreadable registers
  selftests: disable rp_filter for icmp_redirect.sh
  scsi: fcoe: Fix I/O path allocation
  scsi: ufs: Fix possible infinite loop in ufshcd_hold
  scsi: ufs: Improve interrupt handling for shared interrupts
  scsi: ufs: Clean up completed request without interrupt notification
  scsi: qla2xxx: Fix login timeout
  scsi: qla2xxx: Check if FW supports MQ before enabling
  scsi: qla2xxx: Fix null pointer access during disconnect from subsystem
  Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"
  macvlan: validate setting of multiple remote source MAC addresses
  net: gianfar: Add of_node_put() before goto statement
  powerpc/perf: Fix soft lockups due to missed interrupt accounting
  arm64: Move handling of erratum 1418040 into C code
  arm64: Allow booting of late CPUs affected by erratum 1418040
  block: fix get_max_io_size()
  block: loop: set discard granularity and alignment for block device backed 
loop
  HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
  blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART
  btrfs: reset compression level for lzo on remount
  btrfs: check the right error variable in btrfs_del_dir_entries_in_log
  btrfs: fix space cache memory leak after transaction abort
  btrfs: detect nocow for swap after snapshot delete
  fbcon: prevent user font height or width change from causing potential 
out-of-bounds access
  USB: lvtest: return proper error code in probe
  vt: defer kfree() of vc_screenbuf in vc_do_resize()
  vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
  serial: samsung: Removes the IRQ not found warning
  serial: pl011: Fix oops on -EPROBE_DEFER
  serial: pl011: Don't leak amba_ports entry on driver register error
  serial: stm32: avoid kernel warning on absence of optional IRQ
  serial: 8250_exar: Fix number of ports for Commtech PCIe cards
  serial: 8250: change lock order in serial8250_do_startup()
  writeback: Protect inode->i_io_list with inode->i_lock
  writeback: Avoid skipping inode writeback
  writeback: Fix sync livelock due to b_dirty_time processing
  XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN 
data pointer which contains XEN specific information.
  usb: host: xhci: fix ep context print mismatch in debugfs
  xhci: Do warm-reset when both CAS and XDEV_RESUME are set
  xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
  ARM64: vdso32: Install vdso32 from vdso_install
  arm64: vdso32: make vdso32 install conditional
  PM: sleep: core: Fix the handling of pending runtime resume requests
  powerpc/perf: Fix crashes with generic_compat_pmu & BHRB
  device property: Fix the secondary firmware node handling in 
set_primary_fwnode()
  crypto: af_alg - Work around empty control messages without MSG_MORE
  genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
  irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by 
mistake
  x86/hotplug: Silence APIC only after all interrupts are migrated
  drm/amdgpu: Fix buffer overflow in INFO ioctl
  drm/amdgpu/gfx10: refine mgcg setting
  drm/amd/powerplay: Fix hardmins not being sent to SMU for RV
  drm/amd/pm: correct Vega10 swctf limit setting
  drm/amd/pm: correct Vega12 swctf limit setting
  drm/amd/pm: correct Vega20 swctf limit setting
  drm/amd/pm: correct the thermal alert temperature limit settings
  USB: yurex: Fix bad gfp argument
  usb: uas: Add quirk for PNY Pro Elite
  USB: quirks: Add no-lpm quirk for another Raydium touchscreen
  USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
  USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
  usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
  USB: gadget: u_f: add overflow checks to VLA macros
  USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
  USB: gadget: u_f: Unbreak offset calculation in VLAs
  USB: cdc-acm: rework notification_buffer resizing
  usb: storage: Add unusual_uas entry for Sony PSZ drives
  drm/i915: Fix cmd parser desc matching with masks
  usb: dwc3: gadget: Don't setup more than requested
  usb: dwc3: gadget: Fix handling ZLP
  usb: dwc3: gadget: Handle ZLP for sg requests
  fbmem: pull fbcon_update_vcs() out of fb_set_var()
  kheaders: remove unneeded 'cat' command piped to 'head' / 'tail'
  kheaders: optimize md5sum calculation for in-tree builds
  kheaders: optimize header copy for in-tree builds
  kheaders: remove the last bashism to allow sh to run it
  kheaders: explain why include/config/autoconf.h is excluded from md5sum
  kbuild: add variables for compression tools
  kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
  HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
  ALSA: usb-audio: Update documentation comment for MS2109 quirk
  io_uring: Fix NULL pointer dereference in io_sq_wq_submit_work()
  Linux 5.4.62
  UBUNTU: upstream stable to v5.4.62

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