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:

       v5.4.171 upstream stable release
       from git://git.kernel.org/

f2fs: quota: fix potential deadlock
Input: touchscreen - Fix backport of a02dcde595f7cbd240ccd64de96034ad91cffc40
selftests: x86: fix [-Wstringop-overread] warn in test_process_vm_readv()
tracing: Fix check for trace_percpu_buffer validity in get_trace_buf()
tracing: Tag trace_percpu_buffer as a percpu pointer
ieee802154: atusb: fix uninit value in atusb_set_extended_addr
iavf: Fix limit of total number of queues to active queues of VF
RDMA/core: Don't infoleak GRH fields
RDMA/uverbs: Check for null return of kmalloc_array
mac80211: initialize variable have_higher_than_11mbit
i40e: fix use-after-free in i40e_sync_filters_subtask()
i40e: Fix for displaying message regarding NVM version
i40e: Fix incorrect netdev's real number of RX/TX queues
ipv4: Check attribute length for RTA_GATEWAY in multipath route
ipv4: Check attribute length for RTA_FLOW in multipath route
ipv6: Check attribute length for RTA_GATEWAY in multipath route
ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route
lwtunnel: Validate RTA_ENCAP_TYPE attribute length
batman-adv: mcast: don't send link-local multicast to mcast routers
sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc
net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8081
power: supply: core: Break capacity loop
power: reset: ltc2952: Fix use of floating point literals
rndis_host: support Hytera digital radios
phonet: refcount leak in pep_sock_accep
ipv6: Continue processing multipath route even if gateway attribute is invalid
ipv6: Do cleanup if attribute validation fails in multipath route
usb: mtu3: fix interval value for intr and isoc
scsi: libiscsi: Fix UAF in iscsi_conn_get_param()/iscsi_conn_teardown()
ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate
net: udp: fix alignment problem in udp4_seq_show()
atlantic: Fix buff_ring OOB in aq_ring_rx_clean
mISDN: change function names to avoid conflicts
Linux 5.4.171
UBUNTU: upstream stable to v5.4.171

** 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

** 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:
+        v5.4.171 upstream stable release
+        from git://git.kernel.org/
  
-        v5.4.171 upstream stable release
-        from git://git.kernel.org/
+ f2fs: quota: fix potential deadlock
+ Input: touchscreen - Fix backport of a02dcde595f7cbd240ccd64de96034ad91cffc40
+ selftests: x86: fix [-Wstringop-overread] warn in test_process_vm_readv()
+ tracing: Fix check for trace_percpu_buffer validity in get_trace_buf()
+ tracing: Tag trace_percpu_buffer as a percpu pointer
+ ieee802154: atusb: fix uninit value in atusb_set_extended_addr
+ iavf: Fix limit of total number of queues to active queues of VF
+ RDMA/core: Don't infoleak GRH fields
+ RDMA/uverbs: Check for null return of kmalloc_array
+ mac80211: initialize variable have_higher_than_11mbit
+ i40e: fix use-after-free in i40e_sync_filters_subtask()
+ i40e: Fix for displaying message regarding NVM version
+ i40e: Fix incorrect netdev's real number of RX/TX queues
+ ipv4: Check attribute length for RTA_GATEWAY in multipath route
+ ipv4: Check attribute length for RTA_FLOW in multipath route
+ ipv6: Check attribute length for RTA_GATEWAY in multipath route
+ ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route
+ lwtunnel: Validate RTA_ENCAP_TYPE attribute length
+ batman-adv: mcast: don't send link-local multicast to mcast routers
+ sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc
+ net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8081
+ power: supply: core: Break capacity loop
+ power: reset: ltc2952: Fix use of floating point literals
+ rndis_host: support Hytera digital radios
+ phonet: refcount leak in pep_sock_accep
+ ipv6: Continue processing multipath route even if gateway attribute is invalid
+ ipv6: Do cleanup if attribute validation fails in multipath route
+ usb: mtu3: fix interval value for intr and isoc
+ scsi: libiscsi: Fix UAF in iscsi_conn_get_param()/iscsi_conn_teardown()
+ ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate
+ net: udp: fix alignment problem in udp4_seq_show()
+ atlantic: Fix buff_ring OOB in aq_ring_rx_clean
+ mISDN: change function names to avoid conflicts
+ Linux 5.4.171
+ UBUNTU: upstream stable to v5.4.171

** 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)

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

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https://bugs.launchpad.net/bugs/1959437

Title:
  Focal update: v5.4.171 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:

         v5.4.171 upstream stable release
         from git://git.kernel.org/

  f2fs: quota: fix potential deadlock
  Input: touchscreen - Fix backport of a02dcde595f7cbd240ccd64de96034ad91cffc40
  selftests: x86: fix [-Wstringop-overread] warn in test_process_vm_readv()
  tracing: Fix check for trace_percpu_buffer validity in get_trace_buf()
  tracing: Tag trace_percpu_buffer as a percpu pointer
  ieee802154: atusb: fix uninit value in atusb_set_extended_addr
  iavf: Fix limit of total number of queues to active queues of VF
  RDMA/core: Don't infoleak GRH fields
  RDMA/uverbs: Check for null return of kmalloc_array
  mac80211: initialize variable have_higher_than_11mbit
  i40e: fix use-after-free in i40e_sync_filters_subtask()
  i40e: Fix for displaying message regarding NVM version
  i40e: Fix incorrect netdev's real number of RX/TX queues
  ipv4: Check attribute length for RTA_GATEWAY in multipath route
  ipv4: Check attribute length for RTA_FLOW in multipath route
  ipv6: Check attribute length for RTA_GATEWAY in multipath route
  ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route
  lwtunnel: Validate RTA_ENCAP_TYPE attribute length
  batman-adv: mcast: don't send link-local multicast to mcast routers
  sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc
  net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8081
  power: supply: core: Break capacity loop
  power: reset: ltc2952: Fix use of floating point literals
  rndis_host: support Hytera digital radios
  phonet: refcount leak in pep_sock_accep
  ipv6: Continue processing multipath route even if gateway attribute is invalid
  ipv6: Do cleanup if attribute validation fails in multipath route
  usb: mtu3: fix interval value for intr and isoc
  scsi: libiscsi: Fix UAF in iscsi_conn_get_param()/iscsi_conn_teardown()
  ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate
  net: udp: fix alignment problem in udp4_seq_show()
  atlantic: Fix buff_ring OOB in aq_ring_rx_clean
  mISDN: change function names to avoid conflicts
  Linux 5.4.171
  UBUNTU: upstream stable to v5.4.171

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