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:

       v5.4.205 upstream stable release
       from git://git.kernel.org/

esp: limit skb_page_frag_refill use to a single page
mm/slub: add missing TID updates on slab deactivation
can: bcm: use call_rcu() instead of costly synchronize_rcu()
can: grcan: grcan_probe(): remove extra of_node_get()
can: gs_usb: gs_usb_open/close(): fix memory leak
usbnet: fix memory leak in error case
net: rose: fix UAF bug caused by rose_t0timer_expiry
iommu/vt-d: Fix PCI bus rescan device hot add
fbdev: fbmem: Fix logo center image dx issue
video: of_display_timing.h: include errno.h
powerpc/powernv: delay rng platform device creation until later in boot
can: kvaser_usb: replace run-time checks with struct kvaser_usb_driver_info
can: kvaser_usb: kvaser_usb_leaf: fix CAN clock frequency regression
can: kvaser_usb: kvaser_usb_leaf: fix bittiming limits
xfs: remove incorrect ASSERT in xfs_rename
ARM: meson: Fix refcount leak in meson_smp_prepare_cpus
pinctrl: sunxi: a83t: Fix NAND function name for some pins
pinctrl: sunxi: sunxi_pconf_set: use correct offset
ARM: at91: pm: use proper compatible for sama5d2's rtc
ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt
ibmvnic: Properly dispose of all skbs during a failover.
selftests: forwarding: fix flood_unicast_test when h2 supports IFF_UNICAST_FLT
selftests: forwarding: fix learning_test when h1 supports IFF_UNICAST_FLT
selftests: forwarding: fix error message in learning_test
i2c: cadence: Unregister the clk notifier in error path
dmaengine: imx-sdma: Allow imx8m for imx7 FW revs
misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer
misc: rtsx_usb: use separate command and response buffers
misc: rtsx_usb: set return value in rsp_buf alloc err path
dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo
ida: don't use BUG_ON() for debugging
dmaengine: pl330: Fix lockdep warning about non-static key
dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly
dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate
Linux 5.4.205
UBUNTU: Upstream stable to v5.4.205

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

** Affects: linux (Ubuntu Focal)
     Importance: Medium
     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)
       Status: Confirmed => Invalid

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

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

** 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:
+        v5.4.205 upstream stable release
+        from git://git.kernel.org/
  
-        v5.4.205 upstream stable release
-        from git://git.kernel.org/
+ esp: limit skb_page_frag_refill use to a single page
+ mm/slub: add missing TID updates on slab deactivation
+ can: bcm: use call_rcu() instead of costly synchronize_rcu()
+ can: grcan: grcan_probe(): remove extra of_node_get()
+ can: gs_usb: gs_usb_open/close(): fix memory leak
+ usbnet: fix memory leak in error case
+ net: rose: fix UAF bug caused by rose_t0timer_expiry
+ iommu/vt-d: Fix PCI bus rescan device hot add
+ fbdev: fbmem: Fix logo center image dx issue
+ video: of_display_timing.h: include errno.h
+ powerpc/powernv: delay rng platform device creation until later in boot
+ can: kvaser_usb: replace run-time checks with struct kvaser_usb_driver_info
+ can: kvaser_usb: kvaser_usb_leaf: fix CAN clock frequency regression
+ can: kvaser_usb: kvaser_usb_leaf: fix bittiming limits
+ xfs: remove incorrect ASSERT in xfs_rename
+ ARM: meson: Fix refcount leak in meson_smp_prepare_cpus
+ pinctrl: sunxi: a83t: Fix NAND function name for some pins
+ pinctrl: sunxi: sunxi_pconf_set: use correct offset
+ ARM: at91: pm: use proper compatible for sama5d2's rtc
+ ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt
+ ibmvnic: Properly dispose of all skbs during a failover.
+ selftests: forwarding: fix flood_unicast_test when h2 supports IFF_UNICAST_FLT
+ selftests: forwarding: fix learning_test when h1 supports IFF_UNICAST_FLT
+ selftests: forwarding: fix error message in learning_test
+ i2c: cadence: Unregister the clk notifier in error path
+ dmaengine: imx-sdma: Allow imx8m for imx7 FW revs
+ misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer
+ misc: rtsx_usb: use separate command and response buffers
+ misc: rtsx_usb: set return value in rsp_buf alloc err path
+ dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo
+ ida: don't use BUG_ON() for debugging
+ dmaengine: pl330: Fix lockdep warning about non-static key
+ dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly
+ dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
+ dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate
+ Linux 5.4.205
+ UBUNTU: Upstream stable to v5.4.205

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https://bugs.launchpad.net/bugs/1988214

Title:
  Focal update: v5.4.205 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:

         v5.4.205 upstream stable release
         from git://git.kernel.org/

  esp: limit skb_page_frag_refill use to a single page
  mm/slub: add missing TID updates on slab deactivation
  can: bcm: use call_rcu() instead of costly synchronize_rcu()
  can: grcan: grcan_probe(): remove extra of_node_get()
  can: gs_usb: gs_usb_open/close(): fix memory leak
  usbnet: fix memory leak in error case
  net: rose: fix UAF bug caused by rose_t0timer_expiry
  iommu/vt-d: Fix PCI bus rescan device hot add
  fbdev: fbmem: Fix logo center image dx issue
  video: of_display_timing.h: include errno.h
  powerpc/powernv: delay rng platform device creation until later in boot
  can: kvaser_usb: replace run-time checks with struct kvaser_usb_driver_info
  can: kvaser_usb: kvaser_usb_leaf: fix CAN clock frequency regression
  can: kvaser_usb: kvaser_usb_leaf: fix bittiming limits
  xfs: remove incorrect ASSERT in xfs_rename
  ARM: meson: Fix refcount leak in meson_smp_prepare_cpus
  pinctrl: sunxi: a83t: Fix NAND function name for some pins
  pinctrl: sunxi: sunxi_pconf_set: use correct offset
  ARM: at91: pm: use proper compatible for sama5d2's rtc
  ARM: at91: pm: use proper compatibles for sam9x60's rtc and rtt
  ibmvnic: Properly dispose of all skbs during a failover.
  selftests: forwarding: fix flood_unicast_test when h2 supports IFF_UNICAST_FLT
  selftests: forwarding: fix learning_test when h1 supports IFF_UNICAST_FLT
  selftests: forwarding: fix error message in learning_test
  i2c: cadence: Unregister the clk notifier in error path
  dmaengine: imx-sdma: Allow imx8m for imx7 FW revs
  misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer
  misc: rtsx_usb: use separate command and response buffers
  misc: rtsx_usb: set return value in rsp_buf alloc err path
  dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo
  ida: don't use BUG_ON() for debugging
  dmaengine: pl330: Fix lockdep warning about non-static key
  dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly
  dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
  dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate
  Linux 5.4.205
  UBUNTU: Upstream stable to v5.4.205

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