linux-azure: CONFIG_FB_EFI=y

https://lists.ubuntu.com/archives/kernel-team/2022-January/127528.html

The 5.4-based linux-azure kenel (https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-azure/+git/bionic/log/?h=azure-5.4) is also affected by the bug. Will it be fixed as well? I see the 4.15, 5.11, 5.13 linux-azure kernels are explicited listed at the top of this page, but the 5.14-based one is not listed.

typo... By "but the 5.14-based one is not listed.", I meant the "... 5.4-based ...", not 5.14-based.

Dexuan - focal/linux-azure is the 5.4 based kernel.

Hi Tim, thanks! I saw the CONFIG_FB_EFI=y change to the v5.4 linux-azure focal/master-next branch here:
https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-azure/+git/focal/log/?h=master-next

My Ubuntu 18.04 (Bionic) VM, which was created from the Azure marketplace Ubuntu 18.04 image, has the kernel 5.4 kernel by default:

root@decui-u1804-cifs-101:~# cat /etc/os-release
NAME="Ubuntu"
VERSION="18.04.6 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.6 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

root@decui-u1804-cifs-101:~# uname -a
Linux decui-u1804-cifs-101 5.4.0-1068-azure #71~18.04.1-Ubuntu SMP Thu Jan 20 08:21:40 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

I suppose my 18.04 VM will automatically get a new 5.4 kernel that has CONFIG_FB_EFI=y.

Dexuan - that is correct. Bionic/azure-5.4 inherits from Focal/azure.

Got it. I apprecite the clarification. Obviously I was not clear on this :-)

This bug is awaiting verification that the linux-azure/5.4.0-1070.73 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

wget https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+files/linux-buildinfo-5.4.0-1070-azure_5.4.0-1070.73_amd64.deb
dpkg -x linux-buildinfo-5.4.0-1070-azure_5.4.0-1070.73_amd64.deb .
grep CONFIG_FB_EFI ./usr/lib/linux/5.4.0-1070-azure/config
CONFIG_FB_EFI=y

This bug is awaiting verification that the linux-azure/5.13.0-1014.16 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-impish' to 'verification-done-impish'. If the problem still exists, change the tag 'verification-needed-impish' to 'verification-failed-impish'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

wget https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+files/linux-buildinfo-5.13.0-1014-azure_5.13.0-1014.16_amd64.deb
dpkg -x linux-buildinfo-5.13.0-1014-azure_5.13.0-1014.16_amd64.deb .
grep CONFIG_FB_EFI ./usr/lib/linux/5.13.0-1014-azure/config
CONFIG_FB_EFI=y

This bug was fixed in the package linux-azure - 5.4.0-1070.73

---------------
linux-azure (5.4.0-1070.73) focal; urgency=medium

  * focal/linux-azure: 5.4.0-1070.73 -proposed tracker (LP: #1959251)

  * Packaging resync (LP: #1786013)
    - [Packaging] azure: config resync

  * Focal update: v5.4.165 upstream stable release (LP: #1957007)
    - HID: asus: Add depends on USB_HID to HID_ASUS Kconfig option

  * linux-azure: CONFIG_FB_EFI=y (LP: #1959216)
    - [Config] CONFIG_FB_EFI=y

  * Add sunrpc module parameters for NFSv3 nconnect (LP: #1958990)
    - SAUCE: Add sunrpc module parameters for NFSv3 nconnect

  [ Ubuntu: 5.4.0-100.113 ]

  * focal/linux: 5.4.0-100.113 -proposed tracker (LP: #1959900)
  * CVE-2022-22942
    - SAUCE: drm/vmwgfx: Fix stale file descriptors on failed usercopy
  * CVE-2022-0330
    - drm/i915: Flush TLBs before releasing backing store
  * Focal update: v5.4.166 upstream stable release (LP: #1957008)
    - netfilter: selftest: conntrack_vrf.sh: fix file permission
    - Linux 5.4.166
    - net/packet: rx_owner_map depends on pg_vec
    - USB: gadget: bRequestType is a bitfield, not a enum
    - HID: holtek: fix mouse probing
    - udp: using datalen to cap ipv6 udp max gso segments
    - selftests: Calculate udpgso segment count without header adjustment
  * Focal update: v5.4.165 upstream stable release (LP: #1957007)
    - serial: tegra: Change lower tolerance baud rate limit for tegra20 and
      tegra30
    - ntfs: fix ntfs_test_inode and ntfs_init_locked_inode function type
    - HID: quirks: Add quirk for the Microsoft Surface 3 type-cover
    - HID: google: add eel USB id
    - HID: add hid_is_usb() function to make it simpler for USB detection
    - HID: add USB_HID dependancy to hid-prodikeys
    - HID: add USB_HID dependancy to hid-chicony
    - HID: add USB_HID dependancy on some USB HID drivers
    - HID: bigbenff: prevent null pointer dereference
    - HID: wacom: fix problems when device is not a valid USB device
    - HID: check for valid USB device for many HID drivers
    - can: kvaser_usb: get CAN clock frequency from device
    - can: kvaser_pciefd: kvaser_pciefd_rx_error_frame(): increase correct
      stats->{rx,tx}_errors counter
    - can: sja1000: fix use after free in ems_pcmcia_add_card()
    - nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
    - selftests: netfilter: add a vrf+conntrack testcase
    - vrf: don't run conntrack on vrf with !dflt qdisc
    - bpf: Fix the off-by-two error in range markings
    - ice: ignore dropped packets during init
    - bonding: make tx_rebalance_counter an atomic
    - nfp: Fix memory leak in nfp_cpp_area_cache_add()
    - seg6: fix the iif in the IPv6 socket control block
    - udp: using datalen to cap max gso segments
    - iavf: restore MSI state on reset
    - iavf: Fix reporting when setting descriptor count
    - IB/hfi1: Correct guard on eager buffer deallocation
    - mm: bdi: initialize bdi_min_ratio when bdi is unregistered
    - ALSA: ctl: Fix copy of updated id with element read/write
    - ALSA: hda/realtek - Add headset Mic support for Lenovo ALC897 platform
    - ALSA: pcm: oss: Fix negative period/buffer sizes
    - A...

This bug was fixed in the package linux-azure - 5.13.0-1014.16

---------------
linux-azure (5.13.0-1014.16) impish; urgency=medium

  * impish/linux-azure: 5.13.0-1014.16 -proposed tracker (LP: #1960044)

  * linux-azure: CONFIG_FB_EFI=y (LP: #1959216)
    - [Config] azure: CONFIG_FB_EFI=y

  * Add sunrpc module parameters for NFSv3 nconnect (LP: #1958990)
    - SAUCE: Add sunrpc module parameters for NFSv3 nconnect

  * MANA updates (LP: #1959012)
    - net: mana: Add RX fencing
    - net: mana: Fix memory leak in mana_hwc_create_wq

  * Enable arm64 for Hyper-V guests (LP: #1949770)
    - [Packaging] linux-azure: Add basic packaging support for arm64
    - [Config] azure: CONFIG_CMA=n [arm64]
    - Drivers: hv: Move Hyper-V extended capability check to arch neutral code
    - asm-generic/hyperv: Add missing #include of nmi.h
    - Drivers: hv: Make portions of Hyper-V init code be arch neutral
    - Drivers: hv: Add arch independent default functions for some Hyper-V
      handlers
    - kernel.h: split out panic and oops helpers
    - Drivers: hv: Move Hyper-V misc functionality to arch-neutral code
    - drivers: hv: Decouple Hyper-V clock/timer code from VMbus drivers
    - arm64: hyperv: Add Hyper-V hypercall and register access utilities
    - arm64: hyperv: Add panic handler
    - arm64: hyperv: Initialize hypervisor on boot
    - arm64: efi: Export screen_info
    - Drivers: hv: Enable Hyper-V code to be built on ARM64
    - PCI: hv: Support for create interrupt v3
    - PCI: Introduce domain_nr in pci_host_bridge
    - PCI: Support populating MSI domains of root buses via bridges
    - arm64: PCI: Restructure pcibios_root_bridge_prepare()
    - arm64: PCI: Support root bridge preparation for Hyper-V
    - PCI: hv: Generify PCI probing
    - PCI: hv: Set ->domain_nr of pci_host_bridge at probing time
    - PCI: hv: Turn on the host bridge probing on ARM64
    - PCI: hv: Set up MSI domain at bridge probing time
    - arm64: smccc: Add support for SMCCCv1.2 extended input/output registers
    - [Config] azure: Ignore initial arm64 ABI
    - PCI: hv: Make the code arch neutral by adding arch specific interfaces
    - PCI: hv: Add arm64 Hyper-V vPCI support
    - [Config] azure: Update arm64 policy for CONFIG_PCI_HYPERV

  * Support networking XDP (LP: #1958252)
    - net: mana: Use kcalloc() instead of kzalloc()
    - net: mana: Allow setting the number of queues while the NIC is down
    - net: mana: Fix the netdev_err()'s vPort argument in mana_init_port()
    - net: mana: Report OS info to the PF driver
    - net: mana: Improve the HWC error handling
    - net: mana: Support hibernation and kexec
    - net: mana: Fix spelling mistake "calledd" -> "called"
    - net: mana: Add XDP support

  [ Ubuntu: 5.13.0-30.33 ]

  * impish/linux: 5.13.0-30.33 -proposed tracker (LP: #1960055)
  * systemd/248.3-1ubuntu8.2 ADT test failure with linux/5.13.0-29.32
    (LP: #1960034)
    - Revert "block: avoid to quiesce queue in elevator_init_mq"
    - Revert "blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and
      disk_release()"

  [ Ubuntu: 5.13.0-29.32 ]

  * impish/linux: 5.13.0-29.32 -proposed tracker (LP: #1959238)
  * Packagi...

This bug is awaiting verification that the linux-azure-4.15/4.15.0-1132.145 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-bionic' to 'verification-done-bionic'. If the problem still exists, change the tag 'verification-needed-bionic' to 'verification-failed-bionic'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug was fixed in the package linux-azure-5.13 - 5.13.0-1014.16~20.04.1

---------------
linux-azure-5.13 (5.13.0-1014.16~20.04.1) focal; urgency=medium

  * focal/linux-azure-5.13: 5.13.0-1014.16~20.04.1 -proposed tracker
    (LP: #1960043)

  * Enable arm64 for Hyper-V guests (LP: #1949770)
    - [Packaging] linux-azure-5.13: Add basic packaging support for arm64
    - [Config] azure-5.13: CONFIG_CMA=n [arm64]
    - [Config] azure-5.13: Ignore initial arm64 ABI

  * Packaging resync (LP: #1786013)
    - [Packaging] update variants

  * linux-azure: CONFIG_FB_EFI=y (LP: #1959216)
    - [Config] azure-5.13: CONFIG_FB_EFI=y

  * Miscellaneous Ubuntu changes
    - [Config] azure-5.13: Automatic cc config updates.

  [ Ubuntu: 5.13.0-1014.16 ]

  * impish/linux-azure: 5.13.0-1014.16 -proposed tracker (LP: #1960044)
  * linux-azure: CONFIG_FB_EFI=y (LP: #1959216)
    - [Config] azure: CONFIG_FB_EFI=y
  * Add sunrpc module parameters for NFSv3 nconnect (LP: #1958990)
    - SAUCE: Add sunrpc module parameters for NFSv3 nconnect
  * MANA updates (LP: #1959012)
    - net: mana: Add RX fencing
    - net: mana: Fix memory leak in mana_hwc_create_wq
  * Enable arm64 for Hyper-V guests (LP: #1949770)
    - [Packaging] linux-azure: Add basic packaging support for arm64
    - [Config] azure: CONFIG_CMA=n [arm64]
    - Drivers: hv: Move Hyper-V extended capability check to arch neutral code
    - asm-generic/hyperv: Add missing #include of nmi.h
    - Drivers: hv: Make portions of Hyper-V init code be arch neutral
    - Drivers: hv: Add arch independent default functions for some Hyper-V
      handlers
    - kernel.h: split out panic and oops helpers
    - Drivers: hv: Move Hyper-V misc functionality to arch-neutral code
    - drivers: hv: Decouple Hyper-V clock/timer code from VMbus drivers
    - arm64: hyperv: Add Hyper-V hypercall and register access utilities
    - arm64: hyperv: Add panic handler
    - arm64: hyperv: Initialize hypervisor on boot
    - arm64: efi: Export screen_info
    - Drivers: hv: Enable Hyper-V code to be built on ARM64
    - PCI: hv: Support for create interrupt v3
    - PCI: Introduce domain_nr in pci_host_bridge
    - PCI: Support populating MSI domains of root buses via bridges
    - arm64: PCI: Restructure pcibios_root_bridge_prepare()
    - arm64: PCI: Support root bridge preparation for Hyper-V
    - PCI: hv: Generify PCI probing
    - PCI: hv: Set ->domain_nr of pci_host_bridge at probing time
    - PCI: hv: Turn on the host bridge probing on ARM64
    - PCI: hv: Set up MSI domain at bridge probing time
    - arm64: smccc: Add support for SMCCCv1.2 extended input/output registers
    - [Config] azure: Ignore initial arm64 ABI
    - PCI: hv: Make the code arch neutral by adding arch specific interfaces
    - PCI: hv: Add arm64 Hyper-V vPCI support
    - [Config] azure: Update arm64 policy for CONFIG_PCI_HYPERV
  * Support networking XDP (LP: #1958252)
    - net: mana: Use kcalloc() instead of kzalloc()
    - net: mana: Allow setting the number of queues while the NIC is down
    - net: mana: Fix the netdev_err()'s vPort argument in mana_init_port()
    - net: mana: Report OS info to the PF driver
    - net: mana: Improv...

This bug was fixed in the package linux-azure-4.15 - 4.15.0-1134.147

---------------
linux-azure-4.15 (4.15.0-1134.147) bionic; urgency=medium

  * bionic/linux-azure-4.15: 4.15.0-1134.147 -proposed tracker (LP: #1964222)

  * linux-azure: CONFIG_FB_EFI=y (LP: #1959216)
    - [Config] azure-4.15: CONFIG_FB_EFI=y

  [ Ubuntu: 4.15.0-172.181 ]

  * CVE-2022-0847
    - lib/iov_iter: initialize "flags" in new pipe_buffer
  * Bionic update: upstream stable patchset 2022-02-11 (LP: #1960681)
    - Bluetooth: bfusb: fix division by zero in send path
    - USB: core: Fix bug in resuming hub's handling of wakeup requests
    - USB: Fix "slab-out-of-bounds Write" bug in usb_hcd_poll_rh_status
    - mfd: intel-lpss: Fix too early PM enablement in the ACPI ->probe()
    - can: gs_usb: fix use of uninitialized variable, detach device on reception
      of invalid USB data
    - can: gs_usb: gs_can_start_xmit(): zero-initialize hf->{flags,reserved}
    - random: fix data race on crng_node_pool
    - random: fix data race on crng init time
    - staging: wlan-ng: Avoid bitwise vs logical OR warning in
      hfa384x_usb_throttlefn()
    - drm/i915: Avoid bitwise vs logical OR warning in snb_wm_latency_quirk()
    - orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
    - media: uvcvideo: fix division by zero at stream start
    - rtlwifi: rtl8192cu: Fix WARNING when calling local_irq_restore() with
      interrupts enabled
    - Bluetooth: schedule SCO timeouts with delayed_work
    - Bluetooth: fix init and cleanup of sco_conn.timeout_work
    - HID: uhid: Fix worker destroying device without any protection
    - HID: wacom: Ignore the confidence flag when a touch is removed
    - HID: wacom: Avoid using stale array indicies to read contact count
    - nfc: llcp: fix NULL error pointer dereference on sendmsg() after failed
      bind()
    - rtc: cmos: take rtc_lock while reading from CMOS
    - media: flexcop-usb: fix control-message timeouts
    - media: mceusb: fix control-message timeouts
    - media: em28xx: fix control-message timeouts
    - media: cpia2: fix control-message timeouts
    - media: s2255: fix control-message timeouts
    - media: dib0700: fix undefined behavior in tuner shutdown
    - media: redrat3: fix control-message timeouts
    - media: pvrusb2: fix control-message timeouts
    - media: stk1160: fix control-message timeouts
    - can: softing_cs: softingcs_probe(): fix memleak on registration failure
    - shmem: fix a race between shmem_unused_huge_shrink and shmem_evict_inode
    - PCI: Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller
    - Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails
    - clk: bcm-2835: Pick the closest clock rate
    - clk: bcm-2835: Remove rounding up the dividers
    - wcn36xx: Indicate beacon not connection loss on MISSED_BEACON_IND
    - media: em28xx: fix memory leak in em28xx_init_dev
    - Bluetooth: stop proccessing malicious adv data
    - media: dmxdev: fix UAF when dvb_register_device() fails
    - crypto: qce - fix uaf on qce_ahash_register_one
    - tty: serial: atmel: Check return code of dmaengine_submit()
    - tty: serial: atmel: ...