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:

       v5.15.183 upstream stable release
       from git://git.kernel.org/

            
Linux 5.15.183
x86/bhi: Do not set BHI_DIS_S in 32-bit mode
x86/bpf: Add IBHF call at end of classic BPF
x86/bpf: Call branch history clearing sequence on exit
Revert "net: phy: microchip: force IRQ polling mode for lan88xx"
do_umount(): add missing barrier before refcount checks in sync case
nvme: unblock ctrl state transition for firmware update
drm/panel: simple: Update timings for AUO G101EVN010
MIPS: Fix MAX_REG_OFFSET
iio: adc: dln2: Use aligned_s64 for timestamp
types: Complement the aligned types with signed 64-bit one
usb: usbtmc: Fix erroneous generic_read ioctl return
usb: usbtmc: Fix erroneous wait_srq ioctl return
usb: usbtmc: Fix erroneous get_stb ioctl error returns
USB: usbtmc: use interruptible sleep in usbtmc_read
usb: typec: ucsi: displayport: Fix NULL pointer access
usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition
usb: host: tegra: Prevent host controller crash when OTG port is used
usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN
usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version
usb: cdnsp: Fix issue with resuming from L1
ocfs2: stop quota recovery before disabling quotas
ocfs2: implement handshaking with ocfs2 recovery thread
ocfs2: switch osb->disable_recovery to enum
module: ensure that kobject_put() is safe for module type kobjects
xenbus: Use kref to track req lifetime
usb: uhci-platform: Make the clock really optional
drm/amd/display: Fix wrong handling for AUX_DEFER case
iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_tagged_fifo
iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_fifo
iio: adis16201: Correct inclinometer channel resolution
iio: adc: ad7606: fix serial register access
x86/mm: Eliminate window where TLB flushes may be inadvertently skipped
staging: axis-fifo: Correct handling of tx_fifo_depth for size validation
staging: axis-fifo: Remove hardware resets for user errors
staging: iio: adc: ad7816: Correct conditional logic for store mode
Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5
Input: synaptics - enable SMBus for HP Elitebook 850 G1
Input: synaptics - enable InterTouch on Dell Precision M3800
Input: synaptics - enable InterTouch on Dynabook Portege X30L-G
Input: synaptics - enable InterTouch on Dynabook Portege X30-D
net: dsa: b53: fix learning on VLAN unaware bridges
net: dsa: b53: always rejoin default untagged VLAN on bridge leave
net: dsa: b53: fix VLAN ID for untagged vlan on bridge leave
net: dsa: b53: fix flushing old pvid VLAN on pvid change
net: dsa: b53: fix clearing PVID of a port
net: dsa: b53: allow leaky reserved multicast
netfilter: ipset: fix region locking in hash types
can: gw: fix RCU/BH usage in cgw_create_job()
rcu/kvfree: Add kvfree_rcu_mightsleep() and kfree_rcu_mightsleep()
can: gw: use call_rcu() instead of costly synchronize_rcu()
gre: Fix again IPv6 link-local address generation.
openvswitch: Fix unsafe attribute parsing in output_userspace()
can: mcp251xfd: mcp251xfd_remove(): fix order of unregistration calls
can: mcan: m_can_class_unregister(): fix order of unregistration calls

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

** Affects: linux (Ubuntu Jammy)
     Importance: Undecided
         Status: New


** Tags: kernel-stable-tracking-bug

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

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

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

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https://bugs.launchpad.net/bugs/2111705

Title:
  Jammy update: v5.15.183 upstream stable release

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Jammy:
  New

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:

         v5.15.183 upstream stable release
         from git://git.kernel.org/

              
  Linux 5.15.183
  x86/bhi: Do not set BHI_DIS_S in 32-bit mode
  x86/bpf: Add IBHF call at end of classic BPF
  x86/bpf: Call branch history clearing sequence on exit
  Revert "net: phy: microchip: force IRQ polling mode for lan88xx"
  do_umount(): add missing barrier before refcount checks in sync case
  nvme: unblock ctrl state transition for firmware update
  drm/panel: simple: Update timings for AUO G101EVN010
  MIPS: Fix MAX_REG_OFFSET
  iio: adc: dln2: Use aligned_s64 for timestamp
  types: Complement the aligned types with signed 64-bit one
  usb: usbtmc: Fix erroneous generic_read ioctl return
  usb: usbtmc: Fix erroneous wait_srq ioctl return
  usb: usbtmc: Fix erroneous get_stb ioctl error returns
  USB: usbtmc: use interruptible sleep in usbtmc_read
  usb: typec: ucsi: displayport: Fix NULL pointer access
  usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition
  usb: host: tegra: Prevent host controller crash when OTG port is used
  usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN
  usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version
  usb: cdnsp: Fix issue with resuming from L1
  ocfs2: stop quota recovery before disabling quotas
  ocfs2: implement handshaking with ocfs2 recovery thread
  ocfs2: switch osb->disable_recovery to enum
  module: ensure that kobject_put() is safe for module type kobjects
  xenbus: Use kref to track req lifetime
  usb: uhci-platform: Make the clock really optional
  drm/amd/display: Fix wrong handling for AUX_DEFER case
  iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_tagged_fifo
  iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_fifo
  iio: adis16201: Correct inclinometer channel resolution
  iio: adc: ad7606: fix serial register access
  x86/mm: Eliminate window where TLB flushes may be inadvertently skipped
  staging: axis-fifo: Correct handling of tx_fifo_depth for size validation
  staging: axis-fifo: Remove hardware resets for user errors
  staging: iio: adc: ad7816: Correct conditional logic for store mode
  Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5
  Input: synaptics - enable SMBus for HP Elitebook 850 G1
  Input: synaptics - enable InterTouch on Dell Precision M3800
  Input: synaptics - enable InterTouch on Dynabook Portege X30L-G
  Input: synaptics - enable InterTouch on Dynabook Portege X30-D
  net: dsa: b53: fix learning on VLAN unaware bridges
  net: dsa: b53: always rejoin default untagged VLAN on bridge leave
  net: dsa: b53: fix VLAN ID for untagged vlan on bridge leave
  net: dsa: b53: fix flushing old pvid VLAN on pvid change
  net: dsa: b53: fix clearing PVID of a port
  net: dsa: b53: allow leaky reserved multicast
  netfilter: ipset: fix region locking in hash types
  can: gw: fix RCU/BH usage in cgw_create_job()
  rcu/kvfree: Add kvfree_rcu_mightsleep() and kfree_rcu_mightsleep()
  can: gw: use call_rcu() instead of costly synchronize_rcu()
  gre: Fix again IPv6 link-local address generation.
  openvswitch: Fix unsafe attribute parsing in output_userspace()
  can: mcp251xfd: mcp251xfd_remove(): fix order of unregistration calls
  can: mcan: m_can_class_unregister(): fix order of unregistration calls

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