** 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:
+        v5.4.56 upstream stable release
+        from git://git.kernel.org/
  
-        v5.4.56 upstream stable release
-        from git://git.kernel.org/
+ crypto: ccp - Release all allocated memory if sha type is invalid
+ media: rc: prevent memory leak in cx23888_ir_probe
+ sunrpc: check that domain table is empty at module unload.
+ ath10k: enable transmit data ack RSSI for QCA9884
+ PCI/ASPM: Disable ASPM on ASMedia ASM1083/1085 PCIe-to-PCI bridge
+ mm/filemap.c: don't bother dropping mmap_sem for zero size readahead
+ ALSA: usb-audio: Add implicit feedback quirk for SSL2
+ ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G15(GA502) series 
with ALC289
+ ALSA: hda/realtek: typo_fix: enable headset mic of ASUS ROG Zephyrus 
G14(GA401) series with ALC289
+ ALSA: hda/realtek: Fix add a "ultra_low_power" function for intel reference 
board (alc256)
+ ALSA: hda/hdmi: Fix keep_power assignment for non-component devices
+ IB/rdmavt: Fix RQ counting issues causing use of an invalid RWQE
+ vhost/scsi: fix up req type endian-ness
+ 9p/trans_fd: Fix concurrency del of req_list in p9_fd_cancelled/p9_read_work
+ wireless: Use offsetof instead of custom macro.
+ ARM: 8986/1: hw_breakpoint: Don't invoke overflow handler on uaccess 
watchpoints
+ ARM: dts: imx6sx-sabreauto: Fix the phy-mode on fec2
+ ARM: dts: imx6sx-sdb: Fix the phy-mode on fec2
+ ARM: dts: imx6qdl-icore: Fix OTG_ID pin and sdcard detect
+ virtio_balloon: fix up endian-ness for free cmd id
+ Revert "drm/amdgpu: Fix NULL dereference in dpm sysfs handlers"
+ drm/amd/display: Clear dm_state for fast updates
+ drm/amdgpu: Prevent kernel-infoleak in amdgpu_info_ioctl()
+ drm/dbi: Fix SPI Type 1 (9-bit) transfer
+ drm: hold gem reference until object is no longer accessed
+ rds: Prevent kernel-infoleak in rds_notify_queue_get()
+ libtraceevent: Fix build with binutils 2.35
+ net/x25: Fix x25_neigh refcnt leak when x25 disconnect
+ net/x25: Fix null-ptr-deref in x25_disconnect
+ xfrm: policy: match with both mark and mask on user interfaces
+ ARM: dts sunxi: Relax a bit the CMA pool allocation range
+ xfrm: Fix crash when the hold queue is used.
+ ARM: dts: armada-38x: fix NETA lockup when repeatedly switching speeds
+ nvme-tcp: fix possible hang waiting for icresp response
+ selftests/net: rxtimestamp: fix clang issues for target arch PowerPC
+ selftests/net: psock_fanout: fix clang issues for target arch PowerPC
+ selftests/net: so_txtime: fix clang issues for target arch PowerPC
+ sh/tlb: Fix PGTABLE_LEVELS > 2
+ sh: Fix validation of system call number
+ net: hns3: fix a TX timeout issue
+ net: hns3: fix aRFS FD rules leftover after add a user FD rule
+ net/mlx5: E-switch, Destroy TSAR when fail to enable the mode
+ net/mlx5e: Fix error path of device attach
+ net/mlx5: Verify Hardware supports requested ptp function on a given pin
+ net/mlx5e: Modify uplink state on interface up/down
+ net/mlx5e: Fix kernel crash when setting vf VLANID on a VF dev
+ net: lan78xx: add missing endpoint sanity check
+ net: lan78xx: fix transfer-buffer memory leak
+ rhashtable: Fix unprotected RCU dereference in __rht_ptr
+ mlx4: disable device on shutdown
+ mlxsw: core: Increase scope of RCU read-side critical section
+ mlxsw: core: Free EMAD transactions using kfree_rcu()
+ ibmvnic: Fix IRQ mapping disposal in error path
+ bpf: Fix map leak in HASH_OF_MAPS map
+ mac80211: mesh: Free ie data when leaving mesh
+ mac80211: mesh: Free pending skb when destroying a mpath
+ arm64/alternatives: move length validation inside the subsection
+ arm64: csum: Fix handling of bad packets
+ Bluetooth: fix kernel oops in store_pending_adv_report
+ net: nixge: fix potential memory leak in nixge_probe()
+ net: gemini: Fix missing clk_disable_unprepare() in error path of 
gemini_ethernet_port_probe()
+ net/mlx5e: fix bpf_prog reference count leaks in mlx5e_alloc_rq
+ perf tools: Fix record failure when mixed with ARM SPE event
+ vxlan: fix memleak of fdb
+ usb: hso: Fix debug compile warning on sparc32
+ selftests: fib_nexthop_multiprefix: fix cleanup() netns deletion
+ qed: Disable "MFW indication via attention" SPAM every 5 minutes
+ selftests: net: ip_defrag: modprobe missing nf_defrag_ipv6 support
+ nfc: s3fwrn5: add missing release on skb in s3fwrn5_recv_frame
+ scsi: core: Run queue in case of I/O resource contention failure
+ parisc: add support for cmpxchg on u8 pointers
+ net: ethernet: ravb: exit if re-initialization fails in tx timeout
+ Revert "i2c: cadence: Fix the hold bit setting"
+ x86/unwind/orc: Fix ORC for newly forked tasks
+ x86/stacktrace: Fix reliable check for empty user task stacks
+ cxgb4: add missing release on skb in uld_send()
+ xen-netfront: fix potential deadlock in xennet_remove()
+ RISC-V: Set maximum number of mapped pages correctly
+ drivers/net/wan: lapb: Corrected the usage of skb_cow
+ KVM: arm64: Don't inherit exec permission across page-table levels
+ KVM: LAPIC: Prevent setting the tscdeadline timer if the lapic is hw disabled
+ x86/i8259: Use printk_deferred() to prevent deadlock
+ perf tests bp_account: Make global variable static
+ perf env: Do not return pointers to local variables
+ perf bench: Share some global variables to fix build with gcc 10
+ Linux 5.4.56
+ UBUNTU: upstream stable to v5.4.56

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https://bugs.launchpad.net/bugs/1891063

Title:
  Focal update: v5.4.56 upstream stable release

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