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: v5.4.23 upstream stable release from git://git.kernel.org/ Linux 5.4.23 ASoC: SOF: Intel: hda: Add iDisp4 DAI bpf: Selftests build error in sockmap_basic.c s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range s390/kaslr: Fix casts in get_random net/mlx5e: Fix crash in recovery flow without devlink reporter net/mlx5: Fix sleep while atomic in mlx5_eswitch_get_vepa net/mlx5e: Reset RQ doorbell counter before moving RQ state from RST to RDY xen: Enable interrupts when calling _cond_resched() ata: ahci: Add shutdown to freeze hardware resources of ahci io_uring: prevent sq_thread from spinning when it should stop rxrpc: Fix call RCU cleanup using non-bh-safe locks netfilter: xt_hashlimit: limit the max size of hashtable ALSA: seq: Fix concurrent access to queue current tick/time ALSA: seq: Avoid concurrent access to queue flags ALSA: rawmidi: Avoid bit fields for state flags io_uring: fix __io_iopoll_check deadlock in io_sq_thread arm64: lse: Fix LSE atomics with LLVM bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill genirq/proc: Reject invalid affinity masks (again) crypto: rename sm3-256 to sm3 in hash_algo_name iommu/vt-d: Fix compile warning from intel-svm.h ecryptfs: replace BUG_ON with error handling code ASoC: fsl_sai: Fix exiting path on probing failure ASoC: atmel: fix atmel_ssc_set_audio link failure staging: greybus: use after free in gb_audio_manager_remove_all() staging: rtl8723bs: fix copy of overlapping memory usb: dwc2: Fix in ISOC request length checking usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session" scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout" drm/msm/dpu: fix BGR565 vs RGB565 confusion drm/i915/gt: Protect defer_request() from new waiters drm/bridge: tc358767: fix poll timeouts drm/i915/gvt: more locking for ppgtt mm LRU list drm/i915/execlists: Always force a context reload when rewinding RING_TAIL drm/i915/gt: Detect if we miss WaIdleLiteRestore Revert "dmaengine: imx-sdma: Fix memory leak" Btrfs: fix deadlock during fast fsync when logging prealloc extents beyond eof btrfs: don't set path->leave_spinning for truncate Btrfs: fix race between shrinking truncate and fiemap Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents btrfs: do not check delayed items are empty for single transaction cleanup btrfs: reset fs_root to NULL on error in open_ctree btrfs: fix bytes_may_use underflow in prealloc error condtition btrfs: destroy qgroup extent records on transaction abort KVM: apic: avoid calculating pending eoi from an uninitialized val KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1 KVM: nVMX: clear PIN_BASED_POSTED_INTR from nested pinbased_ctls only when apicv is globally disabled KVM: nVMX: Check IO instruction VM-exit conditions KVM: nVMX: Refactor IO bitmap checks into helper function ext4: fix race between writepages and enabling EXT4_EXTENTS_FL ext4: rename s_journal_flag_rwsem to s_writepages_rwsem ext4: fix mount failure with quota configured as module ext4: fix potential race between s_flex_groups online resizing and access ext4: fix potential race between s_group_info online resizing and access ext4: fix potential race between online resizing and write operations ext4: add cond_resched() to __ext4_find_entry() ext4: fix a data race in EXT4_I(inode)->i_disksize KVM: x86: don't notify userspace IOAPIC on edge-triggered interrupt EOI KVM: nVMX: Don't emulate instructions in guest mode sched/psi: Fix OOB write when writing 0 bytes to PSI files drm/i915: Update drm/i915 bug filing URL drm/i915: Wean off drm_pci_alloc/drm_pci_free drm/nouveau/kms/gv100-: Re-set LUT after clearing for modesets drm/amdgpu/gfx10: disable gfxoff when reading rlc clock drm/amdgpu/gfx9: disable gfxoff when reading rlc clock drm/amdgpu/soc15: fix xclk for raven mm: Avoid creating virtual address aliases in brk()/mmap()/mremap() lib/stackdepot.c: fix global out-of-bounds in stack_slabs mm/sparsemem: pfn_to_page is not valid yet on SPARSEMEM mm/vmscan.c: don't round up scan size for online memory cgroup genirq/irqdomain: Make sure all irq domain flags are distinct nvme-multipath: Fix memory leak with ana_log_buf mm/memcontrol.c: lost css_put in memcg_expand_shrinker_maps() Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()" ACPI: PM: s2idle: Check fixed wakeup events in acpi_s2idle_wake() MAINTAINERS: Update drm/i915 bug filing URL serdev: ttyport: restore client ops on deregistration tty: serial: qcom_geni_serial: Fix RX cancel command failure tty: serial: imx: setup the correct sg entry for tx dma tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode serial: 8250: Check UPF_IRQ_SHARED in advance x86/cpu/amd: Enable the fixed Instructions Retired counter IRPERF x86/mce/amd: Fix kobject lifetime x86/mce/amd: Publish the bank pointer only after setup has succeeded x86/ima: use correct identifier for SetupMode variable jbd2: fix ocfs2 corrupt when clearing block group bits arm64: memory: Add missing brackets to untagged_addr() macro powerpc/hugetlb: Fix 8M hugepages on 8xx powerpc/hugetlb: Fix 512k hugepages on 8xx with 16k page size powerpc/entry: Fix an #if which should be an #ifdef in entry_32.S powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery powerpc/eeh: Fix deadlock handling dead PHB powerpc/8xx: Fix clearing of bits 20-23 in ITLB miss drm/panfrost: perfcnt: Reserve/use the AS attached to the perfcnt MMU context staging: rtl8723bs: Fix potential overuse of kernel memory staging: rtl8723bs: Fix potential security hole staging: rtl8188eu: Fix potential overuse of kernel memory staging: rtl8188eu: Fix potential security hole scsi: Revert "target/core: Inline transport_lun_remove_cmd()" usb: dwc3: debug: fix string position formatting mixup with ret and len usb: dwc3: gadget: Check for IOC/LST bit in TRB->ctrl fields usb: dwc2: Fix SET/CLEAR_FEATURE and GET_STATUS flows USB: hub: Fix the broken detection of USB3 device in SMSC hub USB: hub: Don't record a connect-change event during reset-resume USB: Fix novation SourceControl XL after suspend usb: uas: fix a plug & unplug racing USB: quirks: blacklist duplicate ep on Sound Devices USBPre2 USB: core: add endpoint-blacklist quirk usb: host: xhci: update event ring dequeue pointer on purpose xhci: Fix memory leak when caching protocol extended capability PSI tables - take 2 xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms xhci: fix runtime pm enabling for quirky Intel hosts xhci: Force Maximum Packet size for Full-speed bulk devices to valid range. staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi. staging: android: ashmem: Disallow ashmem memory from being remapped vt: vt_ioctl: fix race in VT_RESIZEX vt: selection, handle pending signals in paste_selection vt: fix scrollback flushing on background consoles floppy: check FDC index for errors before assigning it e1000e: Use rtnl_lock to prevent race conditions between net and pci/pm USB: misc: iowarrior: add support for the 100 device USB: misc: iowarrior: add support for the 28 and 28L devices USB: misc: iowarrior: add support for 2 OEMed devices thunderbolt: Prevent crash if non-active NVMem file is read btrfs: handle logged extent failure properly ecryptfs: fix a memory leak bug in ecryptfs_init_messaging() ecryptfs: fix a memory leak bug in parse_tag_1_packet() tpm: Initialize crypto_id of allocated_banks to HASH_ALGO__LAST ASoC: sun8i-codec: Fix setting DAI data format ASoC: codec2codec: avoid invalid/double-free of pcm runtime ALSA: hda/realtek - Apply quirk for yet another MSI laptop ALSA: hda/realtek - Apply quirk for MSI GP63, too ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs iommu/qcom: Fix bogus detach logic ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Affects: linux (Ubuntu Focal) Importance: Undecided Status: Confirmed ** 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: Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1866165 Title: Focal update: v5.4.23 upstream stable release Status in linux package in Ubuntu: Confirmed Status in linux source package in Focal: Confirmed 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: v5.4.23 upstream stable release from git://git.kernel.org/ Linux 5.4.23 ASoC: SOF: Intel: hda: Add iDisp4 DAI bpf: Selftests build error in sockmap_basic.c s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range s390/kaslr: Fix casts in get_random net/mlx5e: Fix crash in recovery flow without devlink reporter net/mlx5: Fix sleep while atomic in mlx5_eswitch_get_vepa net/mlx5e: Reset RQ doorbell counter before moving RQ state from RST to RDY xen: Enable interrupts when calling _cond_resched() ata: ahci: Add shutdown to freeze hardware resources of ahci io_uring: prevent sq_thread from spinning when it should stop rxrpc: Fix call RCU cleanup using non-bh-safe locks netfilter: xt_hashlimit: limit the max size of hashtable ALSA: seq: Fix concurrent access to queue current tick/time ALSA: seq: Avoid concurrent access to queue flags ALSA: rawmidi: Avoid bit fields for state flags io_uring: fix __io_iopoll_check deadlock in io_sq_thread arm64: lse: Fix LSE atomics with LLVM bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill genirq/proc: Reject invalid affinity masks (again) crypto: rename sm3-256 to sm3 in hash_algo_name iommu/vt-d: Fix compile warning from intel-svm.h ecryptfs: replace BUG_ON with error handling code ASoC: fsl_sai: Fix exiting path on probing failure ASoC: atmel: fix atmel_ssc_set_audio link failure staging: greybus: use after free in gb_audio_manager_remove_all() staging: rtl8723bs: fix copy of overlapping memory usb: dwc2: Fix in ISOC request length checking usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session" scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout" drm/msm/dpu: fix BGR565 vs RGB565 confusion drm/i915/gt: Protect defer_request() from new waiters drm/bridge: tc358767: fix poll timeouts drm/i915/gvt: more locking for ppgtt mm LRU list drm/i915/execlists: Always force a context reload when rewinding RING_TAIL drm/i915/gt: Detect if we miss WaIdleLiteRestore Revert "dmaengine: imx-sdma: Fix memory leak" Btrfs: fix deadlock during fast fsync when logging prealloc extents beyond eof btrfs: don't set path->leave_spinning for truncate Btrfs: fix race between shrinking truncate and fiemap Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents btrfs: do not check delayed items are empty for single transaction cleanup btrfs: reset fs_root to NULL on error in open_ctree btrfs: fix bytes_may_use underflow in prealloc error condtition btrfs: destroy qgroup extent records on transaction abort KVM: apic: avoid calculating pending eoi from an uninitialized val KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1 KVM: nVMX: clear PIN_BASED_POSTED_INTR from nested pinbased_ctls only when apicv is globally disabled KVM: nVMX: Check IO instruction VM-exit conditions KVM: nVMX: Refactor IO bitmap checks into helper function ext4: fix race between writepages and enabling EXT4_EXTENTS_FL ext4: rename s_journal_flag_rwsem to s_writepages_rwsem ext4: fix mount failure with quota configured as module ext4: fix potential race between s_flex_groups online resizing and access ext4: fix potential race between s_group_info online resizing and access ext4: fix potential race between online resizing and write operations ext4: add cond_resched() to __ext4_find_entry() ext4: fix a data race in EXT4_I(inode)->i_disksize KVM: x86: don't notify userspace IOAPIC on edge-triggered interrupt EOI KVM: nVMX: Don't emulate instructions in guest mode sched/psi: Fix OOB write when writing 0 bytes to PSI files drm/i915: Update drm/i915 bug filing URL drm/i915: Wean off drm_pci_alloc/drm_pci_free drm/nouveau/kms/gv100-: Re-set LUT after clearing for modesets drm/amdgpu/gfx10: disable gfxoff when reading rlc clock drm/amdgpu/gfx9: disable gfxoff when reading rlc clock drm/amdgpu/soc15: fix xclk for raven mm: Avoid creating virtual address aliases in brk()/mmap()/mremap() lib/stackdepot.c: fix global out-of-bounds in stack_slabs mm/sparsemem: pfn_to_page is not valid yet on SPARSEMEM mm/vmscan.c: don't round up scan size for online memory cgroup genirq/irqdomain: Make sure all irq domain flags are distinct nvme-multipath: Fix memory leak with ana_log_buf mm/memcontrol.c: lost css_put in memcg_expand_shrinker_maps() Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()" ACPI: PM: s2idle: Check fixed wakeup events in acpi_s2idle_wake() MAINTAINERS: Update drm/i915 bug filing URL serdev: ttyport: restore client ops on deregistration tty: serial: qcom_geni_serial: Fix RX cancel command failure tty: serial: imx: setup the correct sg entry for tx dma tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode serial: 8250: Check UPF_IRQ_SHARED in advance x86/cpu/amd: Enable the fixed Instructions Retired counter IRPERF x86/mce/amd: Fix kobject lifetime x86/mce/amd: Publish the bank pointer only after setup has succeeded x86/ima: use correct identifier for SetupMode variable jbd2: fix ocfs2 corrupt when clearing block group bits arm64: memory: Add missing brackets to untagged_addr() macro powerpc/hugetlb: Fix 8M hugepages on 8xx powerpc/hugetlb: Fix 512k hugepages on 8xx with 16k page size powerpc/entry: Fix an #if which should be an #ifdef in entry_32.S powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery powerpc/eeh: Fix deadlock handling dead PHB powerpc/8xx: Fix clearing of bits 20-23 in ITLB miss drm/panfrost: perfcnt: Reserve/use the AS attached to the perfcnt MMU context staging: rtl8723bs: Fix potential overuse of kernel memory staging: rtl8723bs: Fix potential security hole staging: rtl8188eu: Fix potential overuse of kernel memory staging: rtl8188eu: Fix potential security hole scsi: Revert "target/core: Inline transport_lun_remove_cmd()" usb: dwc3: debug: fix string position formatting mixup with ret and len usb: dwc3: gadget: Check for IOC/LST bit in TRB->ctrl fields usb: dwc2: Fix SET/CLEAR_FEATURE and GET_STATUS flows USB: hub: Fix the broken detection of USB3 device in SMSC hub USB: hub: Don't record a connect-change event during reset-resume USB: Fix novation SourceControl XL after suspend usb: uas: fix a plug & unplug racing USB: quirks: blacklist duplicate ep on Sound Devices USBPre2 USB: core: add endpoint-blacklist quirk usb: host: xhci: update event ring dequeue pointer on purpose xhci: Fix memory leak when caching protocol extended capability PSI tables - take 2 xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms xhci: fix runtime pm enabling for quirky Intel hosts xhci: Force Maximum Packet size for Full-speed bulk devices to valid range. staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi. staging: android: ashmem: Disallow ashmem memory from being remapped vt: vt_ioctl: fix race in VT_RESIZEX vt: selection, handle pending signals in paste_selection vt: fix scrollback flushing on background consoles floppy: check FDC index for errors before assigning it e1000e: Use rtnl_lock to prevent race conditions between net and pci/pm USB: misc: iowarrior: add support for the 100 device USB: misc: iowarrior: add support for the 28 and 28L devices USB: misc: iowarrior: add support for 2 OEMed devices thunderbolt: Prevent crash if non-active NVMem file is read btrfs: handle logged extent failure properly ecryptfs: fix a memory leak bug in ecryptfs_init_messaging() ecryptfs: fix a memory leak bug in parse_tag_1_packet() tpm: Initialize crypto_id of allocated_banks to HASH_ALGO__LAST ASoC: sun8i-codec: Fix setting DAI data format ASoC: codec2codec: avoid invalid/double-free of pcm runtime ALSA: hda/realtek - Apply quirk for yet another MSI laptop ALSA: hda/realtek - Apply quirk for MSI GP63, too ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs iommu/qcom: Fix bogus detach logic 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