focal/linux-hwe-5.15: 5.15.0-50.56~20.04.1 -proposed tracker

# title kernel 1989784
copy --from ppa:canonical-kernel-team/ubuntu/ppa --from-suite focal --sources linux-restricted-modules-hwe-5.15/5.15.0-50.56~20.04.1 linux-hwe-5.15/5.15.0-50.56~20.04.1 linux-meta-hwe-5.15/5.15.0.50.56~20.04.19 linux-signed-hwe-5.15/5.15.0-50.56~20.04.1/signing --from ppa:canonical-kernel-team/ubuntu/ppa-ps --from-suite focal --sources linux-restricted-generate-hwe-5.15/5.15.0-50.56~20.04.1 linux-restricted-signatures-hwe-5.15/5.15.0-50.56~20.04.1/signing --to ppa:canonical-signing/ubuntu/primary --to-suite focal
copy --from ppa:canonical-signing/ubuntu/primary --from-suite focal --sources linux-restricted-modules-hwe-5.15/5.15.0-50.56~20.04.1 linux-hwe-5.15/5.15.0-50.56~20.04.1 linux-meta-hwe-5.15/5.15.0.50.56~20.04.19 linux-signed-hwe-5.15/5.15.0-50.56~20.04.1 linux-restricted-signatures-hwe-5.15/5.15.0-50.56~20.04.1 --to ubuntu --to-suite focal-proposed
delete --from ppa:canonical-signing/ubuntu/primary --from-suite focal --sources linux-restricted-modules-hwe-5.15/5.15.0-50.56~20.04.1 linux-hwe-5.15/5.15.0-50.56~20.04.1 linux-meta-hwe-5.15/5.15.0.50.56~20.04.19 linux-signed-hwe-5.15/5.15.0-50.56~20.04.1 linux-restricted-generate-hwe-5.15/5.15.0-50.56~20.04.1 linux-restricted-signatures-hwe-5.15/5.15.0-50.56~20.04.1

Kernel deb testing completes, no regressions found. Ready for Updates. Results here: https://trello.com/c/mtUHpCoO/2683-focal-hwe-linux-image-5150-50-generic-5150-505620041

This bug was fixed in the package linux-hwe-5.15 - 5.15.0-50.56~20.04.1

---------------
linux-hwe-5.15 (5.15.0-50.56~20.04.1) focal; urgency=medium

  * focal/linux-hwe-5.15: 5.15.0-50.56~20.04.1 -proposed tracker (LP: #1989784)

  [ Ubuntu: 5.15.0-50.56 ]

  * jammy/linux: 5.15.0-50.56 -proposed tracker (LP: #1990148)
  * CVE-2022-3176
    - io_uring: refactor poll update
    - io_uring: move common poll bits
    - io_uring: kill poll linking optimisation
    - io_uring: inline io_poll_complete
    - io_uring: correct fill events helpers types
    - io_uring: clean cqe filling functions
    - io_uring: poll rework
    - io_uring: remove poll entry from list when canceling all
    - io_uring: bump poll refs to full 31-bits
    - io_uring: fail links when poll fails
    - io_uring: fix wrong arm_poll error handling
    - io_uring: fix UAF due to missing POLLFREE handling
  * ip/nexthop: fix default address selection for connected nexthop
    (LP: #1988809)
    - selftests/net: test nexthop without gw
  * ip/nexthop: fix default address selection for connected nexthop
    (LP: #1988809) // icmp_redirect.sh in ubuntu_kernel_selftests failed on
    Jammy 5.15.0-49.55 (LP: #1990124)
    - ip: fix triggering of 'icmp redirect'

  [ Ubuntu: 5.15.0-49.55 ]

  * jammy/linux: 5.15.0-49.55 -proposed tracker (LP: #1989785)
  * amdgpu module crash after 5.15 kernel update (LP: #1981883)
    - drm/amdgpu: fix check in fbdev init
  * scsi: hisi_sas: Increase debugfs_dump_index after dump is  completed
    (LP: #1982070)
    - scsi: hisi_sas: Increase debugfs_dump_index after dump is completed
  * [UBUNTU 22.04] s390/qeth: cache link_info for ethtool (LP: #1984103)
    - s390/qeth: cache link_info for ethtool
  * WARN in trace_event_dyn_put_ref (LP: #1987232)
    - tracing/perf: Fix double put of trace event when init fails
  * Jammy update: v5.15.60 upstream stable release (LP: #1989221)
    - x86/speculation: Make all RETbleed mitigations 64-bit only
    - selftests/bpf: Extend verifier and bpf_sock tests for dst_port loads
    - selftests/bpf: Check dst_port only on the client socket
    - block: fix default IO priority handling again
    - tools/vm/slabinfo: Handle files in debugfs
    - ACPI: video: Force backlight native for some TongFang devices
    - ACPI: video: Shortening quirk list by identifying Clevo by board_name only
    - ACPI: APEI: Better fix to avoid spamming the console with old error logs
    - crypto: arm64/poly1305 - fix a read out-of-bound
    - KVM: x86: do not report a vCPU as preempted outside instruction boundaries
    - KVM: x86: do not set st->preempted when going back to user space
    - KVM: selftests: Make hyperv_clock selftest more stable
    - tools/kvm_stat: fix display of error when multiple processes are found
    - selftests: KVM: Handle compiler optimizations in ucall
    - KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
    - arm64: set UXN on swapper page tables
    - btrfs: zoned: prevent allocation from previous data relocation BG
    - btrfs: zoned: fix critical section of relocation inode writeback
    - Bluetooth: hci_bcm: Add BCM4349B1 variant
    - Bluetooth: hci_bcm: Add DT compatible for CY...

All tasks have been completed and the bug is being closed