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:

       v5.4.90 upstream stable release
       from git://git.kernel.org/

x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*
vfio iommu: Add dma available capability
net: cdc_ncm: correct overhead in delayed_ndp_size
net: hns3: fix the number of queues actually used by ARQ
net: hns3: fix a phy loopback fail issue
net: stmmac: dwmac-sun8i: Balance internal PHY resource references
net: stmmac: dwmac-sun8i: Balance internal PHY power
net: vlan: avoid leaks on register_vlan_dev() failures
net/sonic: Fix some resource leaks in error handling paths
net: ipv6: fib: flush exceptions when purging route
tools: selftests: add test for changing routes with PTMU exceptions
net: fix pmtu check in nopmtudisc mode
net: ip: always refragment ip defragmented packets
octeontx2-af: fix memory leak of lmac and lmac->name
nexthop: Fix off-by-one error in error path
nexthop: Unlink nexthop group entry in error path
s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
net/mlx5e: ethtool, Fix restriction of autoneg with 56G
chtls: Fix hardware tid leak
chtls: Remove invalid set_tcb call
chtls: Fix panic when route to peer not configured
chtls: Replace skb_dequeue with skb_peek
chtls: Added a check to avoid NULL pointer dereference
chtls: Fix chtls resources release sequence
x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR
x86/resctrl: Don't move a task to the same resource group
exfat: Month timestamp metadata accidentally incremented
vmlinux.lds.h: Add PGO and AutoFDO input sections
iio: imu: st_lsm6dsx: fix edge-trigger interrupts
HID: wacom: Fix memory leakage caused by kfifo_alloc
ARM: OMAP2+: omap_device: fix idling of devices during probe
i2c: sprd: use a specific timeout to avoid system hang up issue
dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
can: kvaser_pciefd: select CONFIG_CRC32
cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
spi: stm32: FIFO threshold level - fix align packet size
i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path 
of the probe function
dmaengine: xilinx_dma: check dma_async_device_register return value
dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
qed: select CONFIG_CRC32
wil6210: select CONFIG_CRC32
block: rsxx: select CONFIG_CRC32
lightnvm: select CONFIG_CRC32
iommu/intel: Fix memleak in intel_irq_remapping_alloc
bpftool: Fix compilation failure for net.o with older glibc
net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
net/mlx5e: Fix two double free cases
regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
wan: ds26522: select CONFIG_BITREVERSE
regulator: qcom-rpmh-regulator: correct hfsmps515 definition
net: mvpp2: disable force link UP during port init procedure
KVM: arm64: Don't access PMCR_EL0 when no PMU is available
block: fix use-after-free in disk_part_iter_next
net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed 
packet
regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
Linux 5.4.90
UBUNTU: upstream stable to v5.4.90

** 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

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

** 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:
+        v5.4.90 upstream stable release
+        from git://git.kernel.org/
  
-        v5.4.90 upstream stable release
-        from git://git.kernel.org/
+ x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*
+ vfio iommu: Add dma available capability
+ net: cdc_ncm: correct overhead in delayed_ndp_size
+ net: hns3: fix the number of queues actually used by ARQ
+ net: hns3: fix a phy loopback fail issue
+ net: stmmac: dwmac-sun8i: Balance internal PHY resource references
+ net: stmmac: dwmac-sun8i: Balance internal PHY power
+ net: vlan: avoid leaks on register_vlan_dev() failures
+ net/sonic: Fix some resource leaks in error handling paths
+ net: ipv6: fib: flush exceptions when purging route
+ tools: selftests: add test for changing routes with PTMU exceptions
+ net: fix pmtu check in nopmtudisc mode
+ net: ip: always refragment ip defragmented packets
+ octeontx2-af: fix memory leak of lmac and lmac->name
+ nexthop: Fix off-by-one error in error path
+ nexthop: Unlink nexthop group entry in error path
+ s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
+ net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
+ net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
+ net/mlx5e: ethtool, Fix restriction of autoneg with 56G
+ chtls: Fix hardware tid leak
+ chtls: Remove invalid set_tcb call
+ chtls: Fix panic when route to peer not configured
+ chtls: Replace skb_dequeue with skb_peek
+ chtls: Added a check to avoid NULL pointer dereference
+ chtls: Fix chtls resources release sequence
+ x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR
+ x86/resctrl: Don't move a task to the same resource group
+ exfat: Month timestamp metadata accidentally incremented
+ vmlinux.lds.h: Add PGO and AutoFDO input sections
+ iio: imu: st_lsm6dsx: fix edge-trigger interrupts
+ HID: wacom: Fix memory leakage caused by kfifo_alloc
+ ARM: OMAP2+: omap_device: fix idling of devices during probe
+ i2c: sprd: use a specific timeout to avoid system hang up issue
+ dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
+ can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
+ can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
+ can: kvaser_pciefd: select CONFIG_CRC32
+ cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
+ spi: stm32: FIFO threshold level - fix align packet size
+ i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
+ dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling 
path of the probe function
+ dmaengine: xilinx_dma: check dma_async_device_register return value
+ dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
+ dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
+ qed: select CONFIG_CRC32
+ wil6210: select CONFIG_CRC32
+ block: rsxx: select CONFIG_CRC32
+ lightnvm: select CONFIG_CRC32
+ iommu/intel: Fix memleak in intel_irq_remapping_alloc
+ bpftool: Fix compilation failure for net.o with older glibc
+ net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
+ net/mlx5e: Fix two double free cases
+ regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
+ wan: ds26522: select CONFIG_BITREVERSE
+ regulator: qcom-rpmh-regulator: correct hfsmps515 definition
+ net: mvpp2: disable force link UP during port init procedure
+ KVM: arm64: Don't access PMCR_EL0 when no PMU is available
+ block: fix use-after-free in disk_part_iter_next
+ net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed 
packet
+ regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
+ Linux 5.4.90
+ UBUNTU: upstream stable to v5.4.90

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https://bugs.launchpad.net/bugs/1913487

Title:
  Focal update: v5.4.90 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:

         v5.4.90 upstream stable release
         from git://git.kernel.org/

  x86/asm/32: Add ENDs to some functions and relabel with SYM_CODE_*
  vfio iommu: Add dma available capability
  net: cdc_ncm: correct overhead in delayed_ndp_size
  net: hns3: fix the number of queues actually used by ARQ
  net: hns3: fix a phy loopback fail issue
  net: stmmac: dwmac-sun8i: Balance internal PHY resource references
  net: stmmac: dwmac-sun8i: Balance internal PHY power
  net: vlan: avoid leaks on register_vlan_dev() failures
  net/sonic: Fix some resource leaks in error handling paths
  net: ipv6: fib: flush exceptions when purging route
  tools: selftests: add test for changing routes with PTMU exceptions
  net: fix pmtu check in nopmtudisc mode
  net: ip: always refragment ip defragmented packets
  octeontx2-af: fix memory leak of lmac and lmac->name
  nexthop: Fix off-by-one error in error path
  nexthop: Unlink nexthop group entry in error path
  s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
  net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
  net/mlx5: Use port_num 1 instead of 0 when delete a RoCE address
  net/mlx5e: ethtool, Fix restriction of autoneg with 56G
  chtls: Fix hardware tid leak
  chtls: Remove invalid set_tcb call
  chtls: Fix panic when route to peer not configured
  chtls: Replace skb_dequeue with skb_peek
  chtls: Added a check to avoid NULL pointer dereference
  chtls: Fix chtls resources release sequence
  x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR
  x86/resctrl: Don't move a task to the same resource group
  exfat: Month timestamp metadata accidentally incremented
  vmlinux.lds.h: Add PGO and AutoFDO input sections
  iio: imu: st_lsm6dsx: fix edge-trigger interrupts
  HID: wacom: Fix memory leakage caused by kfifo_alloc
  ARM: OMAP2+: omap_device: fix idling of devices during probe
  i2c: sprd: use a specific timeout to avoid system hang up issue
  dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
  can: tcan4x5x: fix bittiming const, use common bittiming from m_can driver
  can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
  can: kvaser_pciefd: select CONFIG_CRC32
  cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get()
  spi: stm32: FIFO threshold level - fix align packet size
  i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
  dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling 
path of the probe function
  dmaengine: xilinx_dma: check dma_async_device_register return value
  dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
  dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
  qed: select CONFIG_CRC32
  wil6210: select CONFIG_CRC32
  block: rsxx: select CONFIG_CRC32
  lightnvm: select CONFIG_CRC32
  iommu/intel: Fix memleak in intel_irq_remapping_alloc
  bpftool: Fix compilation failure for net.o with older glibc
  net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
  net/mlx5e: Fix two double free cases
  regmap: debugfs: Fix a memory leak when calling regmap_attach_dev
  wan: ds26522: select CONFIG_BITREVERSE
  regulator: qcom-rpmh-regulator: correct hfsmps515 definition
  net: mvpp2: disable force link UP during port init procedure
  KVM: arm64: Don't access PMCR_EL0 when no PMU is available
  block: fix use-after-free in disk_part_iter_next
  net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed 
packet
  regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init()
  Linux 5.4.90
  UBUNTU: upstream stable to v5.4.90

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