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:

       v5.10.8 upstream stable release
       from git://git.kernel.org/

            
Linux 5.10.8
tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
drm/panfrost: Remove unused variables in panfrost_job_close()
regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed 
packet
block: fix use-after-free in disk_part_iter_next
can: isotp: isotp_getname(): fix kernel information leak
block/rnbd-clt: avoid module unload race with close confirmation
xsk: Rollback reservation at NETDEV_TX_BUSY
xsk: Fix race in SKB mode transmit with shared cq
KVM: arm64: Don't access PMCR_EL0 when no PMU is available
selftests: fib_nexthops: Fix wrong mausezahn invocation
net: mvneta: fix error message when MTU too large for XDP
drm/i915/dp: Track pm_qos per connector
net: mvpp2: disable force link UP during port init procedure
regulator: qcom-rpmh-regulator: correct hfsmps515 definition
arm64: cpufeature: remove non-exist CONFIG_KVM_ARM_HOST
wan: ds26522: select CONFIG_BITREVERSE
regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
net/mlx5e: Fix two double free cases
net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
nvme-tcp: Fix possible race of io_work and direct send
bpftool: Fix compilation failure for net.o with older glibc
iommu/intel: Fix memleak in intel_irq_remapping_alloc
iommu/vt-d: Fix misuse of ALIGN in qi_flush_piotlb()
zonefs: select CONFIG_CRC32
lightnvm: select CONFIG_CRC32
block: rsxx: select CONFIG_CRC32
wil6210: select CONFIG_CRC32
phy: dp83640: select CONFIG_CRC32
qed: select CONFIG_CRC32
arm64: mm: Fix ARCH_LOW_ADDRESS_LIMIT when !CONFIG_ZONE_DMA
dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
dmaengine: xilinx_dma: check dma_async_device_register return value
dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of 
the probe function
dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path 
of the probe function
interconnect: qcom: fix rpmh link failures
interconnect: imx: Add a missing of_node_put after of_device_is_available
bcache: set bcache device into read-only mode for 
BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET
i2c: mediatek: Fix apdma and i2c hand-shake timeout
i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
spi: stm32: FIFO threshold level - fix align packet size
spi: spi-geni-qcom: Fix geni_spi_isr() NULL dereference in timeout case
cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
spi: spi-geni-qcom: Fail new xfers if xfer/cancel/abort pending
can: kvaser_pciefd: select CONFIG_CRC32
can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
selftests/bpf: Clarify build error if no vmlinux
dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
i2c: sprd: use a specific timeout to avoid system hang up issue
ARM: OMAP2+: omap_device: fix idling of devices during probe
fanotify: Fix sys_fanotify_mark() on native x86-32
HID: wacom: Fix memory leakage caused by kfifo_alloc
ionic: start queues before announcing link up
scsi: lpfc: Fix variable 'vport' set but not used in 
lpfc_sli4_abts_err_handler()
net/mlx5: Check if lag is supported before creating one
net/mlx5e: In skb build skip setting mark in switchdev mode
net/mlx5e: ethtool, Fix restriction of autoneg with 56G
net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
s390/qeth: fix locking for discipline setup / removal
s390/qeth: fix deadlock during recovery
nexthop: Bounce NHA_GATEWAY in FDB nexthop groups
nexthop: Unlink nexthop group entry in error path
nexthop: Fix off-by-one error in error path
octeontx2-af: fix memory leak of lmac and lmac->name
chtls: Fix chtls resources release sequence
chtls: Added a check to avoid NULL pointer dereference
chtls: Replace skb_dequeue with skb_peek
chtls: Avoid unnecessary freeing of oreq pointer
chtls: Fix panic when route to peer not configured
chtls: Remove invalid set_tcb call
chtls: Fix hardware tid leak
net: ip: always refragment ip defragmented packets
net: fix pmtu check in nopmtudisc mode
tools: selftests: add test for changing routes with PTMU exceptions
net: ipv6: fib: flush exceptions when purging route
ptp: ptp_ines: prevent build when HAS_IOMEM is not set
net: bareudp: add missing error handling for bareudp_link_config()
net/sonic: Fix some resource leaks in error handling paths
net: vlan: avoid leaks on register_vlan_dev() failures
net: stmmac: dwmac-sun8i: Balance syscon (de)initialization
net: stmmac: dwmac-sun8i: Balance internal PHY power
net: stmmac: dwmac-sun8i: Balance internal PHY resource references
net: stmmac: dwmac-sun8i: Fix probe error handling
net: hns3: fix a phy loopback fail issue
net: hns3: fix the number of queues actually used by ARQ
net: hns3: fix incorrect handling of sctp6 rss tuple
net: cdc_ncm: correct overhead in delayed_ndp_size
btrfs: shrink delalloc pages instead of full inodes
btrfs: fix deadlock when cloning inline extent and low on free metadata space
btrfs: skip unnecessary searches for xattrs when logging an inode
scsi: ufs: Fix -Wsometimes-uninitialized warning
io_uring: Fix return value from alloc_fixed_file_ref_node
drm/panfrost: Don't corrupt the queue mutex on open/close
iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context
RDMA/hns: Avoid filling sl in high 3 bits of vlan_id
io_uring: patch up IOPOLL overflow_flush sync
io_uring: limit {io|sq}poll submit locking scope
io_uring: synchronise IOPOLL on task_submit fail
powerpc/32s: Fix RTAS machine check with VMAP stack

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

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


** Tags: kernel-stable-tracking-bug

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

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

** Also affects: linux (Ubuntu Hirsute)
   Importance: Undecided
       Status: Confirmed

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https://bugs.launchpad.net/bugs/1912194

Title:
  Hirsute update: v5.10.8 upstream stable release

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Hirsute:
  Confirmed

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:

         v5.10.8 upstream stable release
         from git://git.kernel.org/

              
  Linux 5.10.8
  tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
  drm/panfrost: Remove unused variables in panfrost_job_close()
  regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
  net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed 
packet
  block: fix use-after-free in disk_part_iter_next
  can: isotp: isotp_getname(): fix kernel information leak
  block/rnbd-clt: avoid module unload race with close confirmation
  xsk: Rollback reservation at NETDEV_TX_BUSY
  xsk: Fix race in SKB mode transmit with shared cq
  KVM: arm64: Don't access PMCR_EL0 when no PMU is available
  selftests: fib_nexthops: Fix wrong mausezahn invocation
  net: mvneta: fix error message when MTU too large for XDP
  drm/i915/dp: Track pm_qos per connector
  net: mvpp2: disable force link UP during port init procedure
  regulator: qcom-rpmh-regulator: correct hfsmps515 definition
  arm64: cpufeature: remove non-exist CONFIG_KVM_ARM_HOST
  wan: ds26522: select CONFIG_BITREVERSE
  regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
  net/mlx5e: Fix two double free cases
  net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
  nvme-tcp: Fix possible race of io_work and direct send
  bpftool: Fix compilation failure for net.o with older glibc
  iommu/intel: Fix memleak in intel_irq_remapping_alloc
  iommu/vt-d: Fix misuse of ALIGN in qi_flush_piotlb()
  zonefs: select CONFIG_CRC32
  lightnvm: select CONFIG_CRC32
  block: rsxx: select CONFIG_CRC32
  wil6210: select CONFIG_CRC32
  phy: dp83640: select CONFIG_CRC32
  qed: select CONFIG_CRC32
  arm64: mm: Fix ARCH_LOW_ADDRESS_LIMIT when !CONFIG_ZONE_DMA
  dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
  dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
  dmaengine: xilinx_dma: check dma_async_device_register return value
  dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of 
the probe function
  dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling 
path of the probe function
  interconnect: qcom: fix rpmh link failures
  interconnect: imx: Add a missing of_node_put after of_device_is_available
  bcache: set bcache device into read-only mode for 
BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET
  i2c: mediatek: Fix apdma and i2c hand-shake timeout
  i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
  spi: stm32: FIFO threshold level - fix align packet size
  spi: spi-geni-qcom: Fix geni_spi_isr() NULL dereference in timeout case
  cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
  spi: spi-geni-qcom: Fail new xfers if xfer/cancel/abort pending
  can: kvaser_pciefd: select CONFIG_CRC32
  can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
  can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
  selftests/bpf: Clarify build error if no vmlinux
  dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
  i2c: sprd: use a specific timeout to avoid system hang up issue
  ARM: OMAP2+: omap_device: fix idling of devices during probe
  fanotify: Fix sys_fanotify_mark() on native x86-32
  HID: wacom: Fix memory leakage caused by kfifo_alloc
  ionic: start queues before announcing link up
  scsi: lpfc: Fix variable 'vport' set but not used in 
lpfc_sli4_abts_err_handler()
  net/mlx5: Check if lag is supported before creating one
  net/mlx5e: In skb build skip setting mark in switchdev mode
  net/mlx5e: ethtool, Fix restriction of autoneg with 56G
  net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
  net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
  s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
  s390/qeth: fix locking for discipline setup / removal
  s390/qeth: fix deadlock during recovery
  nexthop: Bounce NHA_GATEWAY in FDB nexthop groups
  nexthop: Unlink nexthop group entry in error path
  nexthop: Fix off-by-one error in error path
  octeontx2-af: fix memory leak of lmac and lmac->name
  chtls: Fix chtls resources release sequence
  chtls: Added a check to avoid NULL pointer dereference
  chtls: Replace skb_dequeue with skb_peek
  chtls: Avoid unnecessary freeing of oreq pointer
  chtls: Fix panic when route to peer not configured
  chtls: Remove invalid set_tcb call
  chtls: Fix hardware tid leak
  net: ip: always refragment ip defragmented packets
  net: fix pmtu check in nopmtudisc mode
  tools: selftests: add test for changing routes with PTMU exceptions
  net: ipv6: fib: flush exceptions when purging route
  ptp: ptp_ines: prevent build when HAS_IOMEM is not set
  net: bareudp: add missing error handling for bareudp_link_config()
  net/sonic: Fix some resource leaks in error handling paths
  net: vlan: avoid leaks on register_vlan_dev() failures
  net: stmmac: dwmac-sun8i: Balance syscon (de)initialization
  net: stmmac: dwmac-sun8i: Balance internal PHY power
  net: stmmac: dwmac-sun8i: Balance internal PHY resource references
  net: stmmac: dwmac-sun8i: Fix probe error handling
  net: hns3: fix a phy loopback fail issue
  net: hns3: fix the number of queues actually used by ARQ
  net: hns3: fix incorrect handling of sctp6 rss tuple
  net: cdc_ncm: correct overhead in delayed_ndp_size
  btrfs: shrink delalloc pages instead of full inodes
  btrfs: fix deadlock when cloning inline extent and low on free metadata space
  btrfs: skip unnecessary searches for xattrs when logging an inode
  scsi: ufs: Fix -Wsometimes-uninitialized warning
  io_uring: Fix return value from alloc_fixed_file_ref_node
  drm/panfrost: Don't corrupt the queue mutex on open/close
  iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context
  RDMA/hns: Avoid filling sl in high 3 bits of vlan_id
  io_uring: patch up IOPOLL overflow_flush sync
  io_uring: limit {io|sq}poll submit locking scope
  io_uring: synchronise IOPOLL on task_submit fail
  powerpc/32s: Fix RTAS machine check with VMAP stack

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