Patch To Fix Bug in the Linux Block Layer Responsible For Merging BIOs

Bug #1931497 reported by Joseph Salisbury
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Medium
Unassigned
Focal
Medium
Tim Gardner
Groovy
Medium
Unassigned
Hirsute
Medium
Tim Gardner
Impish
Medium
Unassigned
linux-azure (Ubuntu)
Undecided
Tim Gardner
Focal
Medium
Unassigned
Groovy
Medium
Tim Gardner
Hirsute
Medium
Tim Gardner
Impish
Undecided
Tim Gardner

Bug Description

[Impact]

There is a bug in the Linux block layer responsible for merging BIOs that go across the page boundary. This bug was introduced in Linux 5.1 when the block layer BIO page tracking is enhanced to support multiple pages.

Without this patch, data corruption can occur. The change to the kernel block layer in Linux 5.1 changes the way multiple pages are merged to a single block I/O descriptor, and how contiguous block I/O descriptors are merged with previous descriptors.

If contiguous block I/O requests cross a page boundary of 4k, defined by the hv_storvsc driver, the new block merge process can create two pages of block I/O requests (the latter page with an offset) that refer to the same physical sector on disk. This page list is then assembled for the SCSI generic driver.

In the above scenario, when the block I/O request sizes are 512 bytes, the Azure LIS driver (hv_storvsc module) is not able to correctly parse the page array from the SCSI generic driver due to this bug in Linux block layer and creates a potential overflow of offset I/O requests and corruption of data on disk.

Mitigation of data loss is proven with filesystems with block size 4k. When block I/O requests are of sizes 4k or multiples of 4k, they are the page aligned in the memory and are not affected by the block I/O merging algorithm introduced in Linux 5.1. Most modern file systems use 4k I/O block size by default, thus mitigating this problem.

An upstream patch fixes this bug: commit c9c9762d4d44dcb1b2ba90cfb4122dc11ceebf31 ("block: return the correct bvec when checking for gaps")

Please include this patch in any supported kernels that are 5.1 or later.

[Test Plan]

stress-ng --sequential 8 --class io -t 5m --times

[Where problems could occur]

Different incorrect pages could be wriiten to disk.

[Other Info]

This patch has already been released in all [FGHI] Azure kernels.

description: updated
Revision history for this message
Tim Gardner (timg-tpi) wrote :
Changed in linux-azure (Ubuntu Focal):
status: New → In Progress
Changed in linux-azure (Ubuntu Groovy):
status: New → In Progress
Changed in linux-azure (Ubuntu Hirsute):
status: New → In Progress
Changed in linux-azure (Ubuntu Groovy):
assignee: nobody → Tim Gardner (timg-tpi)
Changed in linux-azure (Ubuntu Hirsute):
assignee: nobody → Tim Gardner (timg-tpi)
Changed in linux-azure (Ubuntu Impish):
assignee: nobody → Tim Gardner (timg-tpi)
tags: added: bot-stop-nagging
Stefan Bader (smb)
Changed in linux-azure (Ubuntu Focal):
importance: Undecided → Medium
Changed in linux-azure (Ubuntu Groovy):
importance: Undecided → Medium
Changed in linux-azure (Ubuntu Hirsute):
importance: Undecided → Medium
Tim Gardner (timg-tpi)
Changed in linux-azure (Ubuntu Focal):
status: In Progress → Fix Committed
Tim Gardner (timg-tpi)
Changed in linux-azure (Ubuntu Groovy):
status: In Progress → Fix Committed
Tim Gardner (timg-tpi)
Changed in linux-azure (Ubuntu Hirsute):
status: In Progress → Fix Committed
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the 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-groovy' to 'verification-done-groovy'. If the problem still exists, change the tag 'verification-needed-groovy' to 'verification-failed-groovy'.

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!

tags: added: verification-needed-groovy
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the 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-hirsute' to 'verification-done-hirsute'. If the problem still exists, change the tag 'verification-needed-hirsute' to 'verification-failed-hirsute'.

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!

tags: added: verification-needed-hirsute
Tim Gardner (timg-tpi)
description: updated
Changed in linux (Ubuntu Focal):
importance: Undecided → Medium
status: New → In Progress
Changed in linux (Ubuntu Groovy):
importance: Undecided → Medium
status: New → In Progress
Changed in linux (Ubuntu Hirsute):
importance: Undecided → Medium
status: New → In Progress
Changed in linux (Ubuntu Impish):
importance: Undecided → Medium
status: New → In Progress
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the 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!

tags: added: verification-needed-focal
Revision history for this message
Tim Gardner (timg-tpi) wrote :

No regressions have been detected. Marking verification done.

tags: added: verification-done-focal verification-done-groovy verification-done-hirsute
removed: verification-needed-focal verification-needed-groovy verification-needed-hirsute
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (23.5 KiB)

This bug was fixed in the package linux-azure - 5.11.0-1012.13

---------------
linux-azure (5.11.0-1012.13) hirsute; urgency=medium

  [ Ubuntu: 5.11.0-25.27 ]

  * CVE-2021-33909
    - SAUCE: seq_file: Disallow extremely large seq buffer allocations

linux-azure (5.11.0-1011.11) hirsute; urgency=medium

  * hirsute/linux-azure: 5.11.0-1011.11 -proposed tracker (LP: #1934056)

  [ Ubuntu: 5.11.0-24.25 ]

  * test_pmtu_vti4_link_add_mtu() test from net/pmtu.sh in
    ubuntu_kernel_selftests cannot finish properly on 5.11 and 5.8
    (LP: #1933969)
    - ip6_gre: proper dev_{hold|put} in ndo_[un]init methods
    - sit: proper dev_{hold|put} in ndo_[un]init methods
    - ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods
    - ipv6: remove extra dev_hold() for fallback tunnels

linux-azure (5.11.0-1010.10) hirsute; urgency=medium

  * hirsute/linux-azure: 5.11.0-1010.10 -proposed tracker (LP: #1932401)

  * Patch To Fix Bug in the Linux Block Layer Responsible For Merging BIOs
    (LP: #1931497)
    - block: return the correct bvec when checking for gaps

  [ Ubuntu: 5.11.0-23.24 ]

  * hirsute/linux: 5.11.0-23.24 -proposed tracker (LP: #1932420)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync getabis
    - [Packaging] update helper scripts
    - update dkms package versions
  * Disable hv-kvp-daemon.service on certain instance types (LP: #1932081)
    - [Packaging]: Add kernel command line condition to hv-kvp-daemon service
  * Add support for IO functions of AAEON devices (LP: #1929504)
    - ODM: mfd: Add support for IO functions of AAEON devices
    - ODM: gpio: add driver for AAEON devices
    - ODM: watchdog: add driver for AAEON devices
    - ODM: hwmon: add driver for AAEON devices
    - ODM: leds: add driver for AAEON devices
    - ODM: [Config] update config for AAEON devices
  * Add support for selective build of special drivers (LP: #1912789)
    - [Packaging] Add support for ODM drivers
    - [Packaging] Turn on ODM support for amd64
    - [Packaging] Fix ODM support in actual build
    - [Packaging] Fix ODM DRIVERS Kconfig
  * Mute/Mic mute LEDs and right speaker are not work on HP platforms
    (LP: #1932055)
    - ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Elite Dragonfly
      G2
    - ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP EliteBook x360
      1040 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 840 Aero G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP ZBook Power G8
  * SD card initialization on insertion fails (LP: #1929444)
    - misc: rtsx: separate aspm mode into MODE_REG and MODE_CFG
  * Fix non-working GPU on Some HP desktops (LP: #1931147)
    - PCI: Coalesce host bridge contiguous apertures
  * CirrusLogic: The default input volume is "0%" on Dell Warlock (LP: #1929803)
    - ALSA: hda/cirrus: Set Initial DMIC volume to -26 dB
  * Mic-mute/mute LEDs not work on some HP platforms (LP: #1930707)
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook G8
    - ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 15 G8
    - ALSA: hda/real...

Changed in linux-azure (Ubuntu Hirsute):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (61.0 KiB)

This bug was fixed in the package linux-azure - 5.8.0-1039.42

---------------
linux-azure (5.8.0-1039.42) groovy; urgency=medium

  [ Ubuntu: 5.8.0-63.71 ]

  * Possible io_uring regression with QEMU on Ubuntu's kernel (LP: #1935017)
    - SAUCE: Revert "block: don't ignore REQ_NOWAIT for direct IO"

  [ Ubuntu: 5.8.0-62.70 ]

  * CVE-2021-33909
    - SAUCE: seq_file: Disallow extremely large seq buffer allocations

linux-azure (5.8.0-1038.40) groovy; urgency=medium

  * groovy/linux-azure: 5.8.0-1038.40 -proposed tracker (LP: #1934082)

  [ Ubuntu: 5.8.0-61.68 ]

  * test_pmtu_vti4_link_add_mtu() test from net/pmtu.sh in
    ubuntu_kernel_selftests cannot finish properly on 5.11 and 5.8
    (LP: #1933969)
    - ip6_gre: proper dev_{hold|put} in ndo_[un]init methods
    - sit: proper dev_{hold|put} in ndo_[un]init methods
    - ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods
    - ipv6: remove extra dev_hold() for fallback tunnels

linux-azure (5.8.0-1037.39) groovy; urgency=medium

  * groovy/linux-azure: 5.8.0-1037.39 -proposed tracker (LP: #1932428)

  * Patch To Fix Bug in the Linux Block Layer Responsible For Merging BIOs
    (LP: #1931497)
    - block: return the correct bvec when checking for gaps

  [ Ubuntu: 5.8.0-60.67 ]

  * groovy/linux: 5.8.0-60.67 -proposed tracker (LP: #1932438)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync getabis
    - [Packaging] update helper scripts
    - update dkms package versions
  * Add support for IO functions of AAEON devices (LP: #1929504)
    - ODM: mfd: Add support for IO functions of AAEON devices
    - ODM: gpio: add driver for AAEON devices
    - ODM: watchdog: add driver for AAEON devices
    - ODM: hwmon: add driver for AAEON devices
    - ODM: leds: add driver for AAEON devices
    - ODM: [Config] update config for AAEON devices
  * Add support for selective build of special drivers (LP: #1912789)
    - [Packaging] Add support for ODM drivers
    - [Packaging] Turn on ODM support for amd64
    - [Packaging] Fix ODM support in actual build
  * Upstream v5.9 introduced 'module' patches that removed exported symbols
    (LP: #1932065)
    - SAUCE: Revert "modules: inherit TAINT_PROPRIETARY_MODULE"
    - SAUCE: Revert "modules: return licensing information from find_symbol"
    - SAUCE: Revert "modules: rename the licence field in struct symsearch to
      license"
    - SAUCE: Revert "modules: unexport __module_address"
    - SAUCE: Revert "modules: unexport __module_text_address"
    - SAUCE: Revert "modules: mark each_symbol_section static"
    - SAUCE: Revert "modules: mark find_symbol static"
    - SAUCE: Revert "modules: mark ref_module static"
  * Disable hv-kvp-daemon.service on certain instance types (LP: #1932081)
    - [Packaging]: Add kernel command line condition to hv-kvp-daemon service
  * Groovy update: upstream stable patchset 2021-06-10 (LP: #1931637)
    - KEYS: trusted: Fix memory leak on object td
    - tpm: fix error return code in tpm2_get_cc_attrs_tbl()
    - tpm, tpm_tis: Extend locality handling to TPM2 in tpm_tis_gen_interrupt()
    - tpm, tpm_tis: Reserve locality in tpm_tis_resume()
    - KVM: x86/mmu: Remove the defunct update_pte() ...

Changed in linux-azure (Ubuntu Groovy):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (28.0 KiB)

This bug was fixed in the package linux-azure - 5.4.0-1055.57

---------------
linux-azure (5.4.0-1055.57) focal; urgency=medium

  [ Ubuntu: 5.4.0-80.90 ]

  * CVE-2021-33909
    - SAUCE: seq_file: Disallow extremely large seq buffer allocations

linux-azure (5.4.0-1054.56) focal; urgency=medium

  * focal/linux-azure: 5.4.0-1054.56 -proposed tracker (LP: #1935858)

  * linux-azure CIFS DFS oops (LP: #1935833)
    - cifs: get rid of unused parameter in reconn_setup_dfs_targets()
    - cifs: handle empty list of targets in cifs_reconnect()

linux-azure (5.4.0-1053.55) focal; urgency=medium

  * focal/linux-azure: 5.4.0-1053.55 -proposed tracker (LP: #1934321)

  [ Ubuntu: 5.4.0-79.88 ]

  * focal/linux: 5.4.0-79.88 -proposed tracker (LP: #1934343)
  * lxd exec fails (LP: #1934187)
    - SAUCE: Revert "proc: Check /proc/$pid/attr/ writes against file opener"

linux-azure (5.4.0-1052.54) focal; urgency=medium

  * focal/linux-azure: 5.4.0-1052.54 -proposed tracker (LP: #1932456)

  * Patch To Fix Bug in the Linux Block Layer Responsible For Merging BIOs
    (LP: #1931497)
    - block: return the correct bvec when checking for gaps

  [ Ubuntu: 5.4.0-78.87 ]

  * focal/linux: 5.4.0-78.87 -proposed tracker (LP: #1932478)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync getabis
    - [Packaging] update helper scripts
    - update dkms package versions
  * Disable hv-kvp-daemon.service on certain instance types (LP: #1932081)
    - [Packaging]: Add kernel command line condition to hv-kvp-daemon service
  * QLogic Direct-Connect host can't discover SCSI-FC or NVMe/FC devices
    (LP: #1860724)
    - scsi: qla2xxx: Serialize fc_port alloc in N2N
    - scsi: qla2xxx: Set Nport ID for N2N
    - scsi: qla2xxx: Fix point-to-point (N2N) device discovery issue
    - scsi: qla2xxx: Fix N2N and NVMe connect retry failure
  * [SRU] Add support for E810 NIC to Ice Driver in Focal (LP: #1912511)
    - ice: add additional E810 device id
  * Focal update: v5.4.124 upstream stable release (LP: #1931166)
    - ALSA: hda/realtek: Headphone volume is controlled by Front mixer
    - ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci
    - ALSA: usb-audio: scarlett2: Improve driver startup messages
    - cifs: set server->cipher_type to AES-128-CCM for SMB3.0
    - NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
    - iommu/vt-d: Fix sysfs leak in alloc_iommu()
    - perf intel-pt: Fix sample instruction bytes
    - perf intel-pt: Fix transaction abort handling
    - perf scripts python: exported-sql-viewer.py: Fix copy to clipboard from Top
      Calls by elapsed Time report
    - perf scripts python: exported-sql-viewer.py: Fix Array TypeError
    - perf scripts python: exported-sql-viewer.py: Fix warning display
    - proc: Check /proc/$pid/attr/ writes against file opener
    - net: hso: fix control-request directions
    - ath10k: Validate first subframe of A-MSDU before processing the list
    - dm snapshot: properly fix a crash when an origin has no snapshots
    - drm/amdgpu/vcn1: add cancel_delayed_work_sync before power gate
    - drm/amdgpu/vcn2.0: add cancel_delayed_work_sync before power gate
    - drm/amdgpu/...

Changed in linux-azure (Ubuntu Focal):
status: Fix Committed → Fix Released
Tim Gardner (timg-tpi)
Changed in linux (Ubuntu Focal):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Groovy):
status: In Progress → Won't Fix
Changed in linux (Ubuntu Hirsute):
status: In Progress → Fix Committed
Changed in linux (Ubuntu Impish):
status: In Progress → Fix Released
Changed in linux (Ubuntu Focal):
assignee: nobody → Tim Gardner (timg-tpi)
Changed in linux (Ubuntu Hirsute):
assignee: nobody → Tim Gardner (timg-tpi)
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (48.4 KiB)

This bug was fixed in the package linux-azure - 5.11.0-1013.14+21.10.1

---------------
linux-azure (5.11.0-1013.14+21.10.1) impish; urgency=medium

  * impish/linux-azure: 5.11.0-1013.14+21.10.1 -proposed tracker (LP: #1936483)

  * Packaging resync (LP: #1786013)
    - update dkms package versions

  [ Ubuntu: 5.11.0-1013.14 ]

  * hirsute/linux-azure: 5.11.0-1013.14 -proposed tracker (LP: #1936485)
  * linux-azure: Ensure the latest linux-image-sgx is installed with the 5.11
    kernels (LP: #1937846)
    - [Packaging] Install the linux-base-sgx version for upstream SGX
  * Packaging resync (LP: #1786013)
    - update dkms package versions
  * large_dir in ext4 broken (LP: #1933074)
    - SAUCE: ext4: fix directory index node split corruption
  * Add l2tp.sh in net from ubuntu_kernel_selftests back (LP: #1934293)
    - Revert "UBUNTU: SAUCE: selftests/net -- disable l2tp.sh test"
  * icmp_redirect.sh in net from ubuntu_kernel_selftests failed on F-OEM-5.6 /
    F-OEM-5.10 / F-OEM-5.13 / F / G / H (LP: #1880645)
    - selftests: icmp_redirect: support expected failures
  * Mute/mic LEDs no function on some HP platfroms (LP: #1934878)
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 450 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 445 G8
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 630 G8
  * [SRU][OEM-5.10/H] Fix HDMI output issue on Intel TGL GPU (LP: #1934864)
    - drm/i915: Fix HAS_LSPCON macro for platforms between GEN9 and GEN10
  * mute/micmute LEDs no function on HP EliteBook 830 G8 Notebook PC
    (LP: #1934239)
    - ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 830 G8 Notebook PC
  * ubuntu-host driver lacks lseek ops (LP: #1934110)
    - ubuntu-host: add generic lseek op
  * ubuntu_kernel_selftests ftrace fails on arm64 F / aws-5.8 / amd64 F
    azure-5.8 (LP: #1927749)
    - selftests/ftrace: fix event-no-pid on 1-core machine
  * Hirsute update: upstream stable patchset 2021-06-29 (LP: #1934012)
    - proc: Track /proc/$pid/attr/ opener mm_struct
    - ASoC: max98088: fix ni clock divider calculation
    - ASoC: amd: fix for pcm_read() error
    - spi: Fix spi device unregister flow
    - spi: spi-zynq-qspi: Fix stack violation bug
    - bpf: Forbid trampoline attach for functions with variable arguments
    - net/nfc/rawsock.c: fix a permission check bug
    - usb: cdns3: Fix runtime PM imbalance on error
    - ASoC: Intel: bytcr_rt5640: Add quirk for the Glavey TM800A550L tablet
    - ASoC: Intel: bytcr_rt5640: Add quirk for the Lenovo Miix 3-830 tablet
    - vfio-ccw: Reset FSM state to IDLE inside FSM
    - vfio-ccw: Serialize FSM IDLE state with I/O completion
    - ASoC: sti-sas: add missing MODULE_DEVICE_TABLE
    - spi: sprd: Add missing MODULE_DEVICE_TABLE
    - usb: chipidea: udc: assign interrupt number to USB gadget structure
    - isdn: mISDN: netjet: Fix crash in nj_probe:
    - bonding: init notify_work earlier to avoid uninitialized use
    - netlink: disable IRQs for netlink_lock_table()
    - net: mdiobus: get rid of a BUG_ON()
    - cgroup: disable controllers at parse time
    - wq: handle VM suspension in stall detection
    - net/qla3xxx: fix s...

Changed in linux-azure (Ubuntu Impish):
status: New → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (36.6 KiB)

This bug was fixed in the package linux - 5.4.0-84.94

---------------
linux (5.4.0-84.94) focal; urgency=medium

  * focal/linux: 5.4.0-84.94 -proposed tracker (LP: #1941767)

  * Server boot failure after adding checks for ACPI IRQ override (LP: #1941657)
    - Revert "ACPI: resources: Add checks for ACPI IRQ override"

linux (5.4.0-83.93) focal; urgency=medium

  * focal/linux: 5.4.0-83.93 -proposed tracker (LP: #1940159)

  * fails to launch linux L2 guests on AMD (LP: #1940134) // CVE-2021-3653
    - KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl
      (CVE-2021-3653)

  * fails to launch linux L2 guests on AMD (LP: #1940134)
    - SAUCE: Revert "UBUNTU: SAUCE: KVM: nSVM: avoid picking up unsupported bits
      from L2 in int_ctl"

linux (5.4.0-82.92) focal; urgency=medium

  * focal/linux: 5.4.0-82.92 -proposed tracker (LP: #1939799)

  * Packaging resync (LP: #1786013)
    - debian/dkms-versions -- update from kernel-versions (main/2021.08.16)

  * CVE-2021-3656
    - SAUCE: KVM: nSVM: always intercept VMLOAD/VMSAVE when nested

  * CVE-2021-3653
    - SAUCE: KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl

  * [regression] USB device is not detected during boot (LP: #1939638)
    - SAUCE: Revert "usb: core: reduce power-on-good delay time of root hub"

  * dev_forward_skb: do not scrub skb mark within the same name space
    (LP: #1935040)
    - dev_forward_skb: do not scrub skb mark within the same name space

  * XPS 9510 (TGL) Screen Brightness could not be changed (LP: #1933566)
    - SAUCE: drm/i915: Force DPCD backlight mode for Dell XPS 9510(TGL)

  * Acer Aspire 5 sound driver issues (LP: #1930188)
    - ALSA: hda/realtek: headphone and mic don't work on an Acer laptop

  * Sony Dualshock 4 usb dongle crashes the whole system (LP: #1935846)
    - HID: sony: Workaround for DS4 dongle hotplug kernel crash.

  * [21.10 FEAT] KVM: Provide a secure guest indication (LP: #1933173)
    - s390/uv: add prot virt guest/host indication files
    - s390/uv: fix prot virt host indication compilation

  * Skip rtcpie test in kselftests/timers if the default RTC device does not
    exist (LP: #1937991)
    - selftests: timers: rtcpie: skip test if default RTC device does not exist

  * Focal update: v5.4.133 upstream stable release (LP: #1938713)
    - drm/mxsfb: Don't select DRM_KMS_FB_HELPER
    - drm/zte: Don't select DRM_KMS_FB_HELPER
    - drm/amd/amdgpu/sriov disable all ip hw status by default
    - drm/vc4: fix argument ordering in vc4_crtc_get_margins()
    - net: pch_gbe: Use proper accessors to BE data in pch_ptp_match()
    - drm/amd/display: fix use_max_lb flag for 420 pixel formats
    - hugetlb: clear huge pte during flush function on mips platform
    - atm: iphase: fix possible use-after-free in ia_module_exit()
    - mISDN: fix possible use-after-free in HFC_cleanup()
    - atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
    - net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT_RT
    - drm/mediatek: Fix PM reference leak in mtk_crtc_ddp_hw_init()
    - reiserfs: add check for invalid 1st journal block
    - drm/virtio: Fix double free on probe failure
    - dr...

Changed in linux (Ubuntu Focal):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :
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This bug was fixed in the package linux - 5.11.0-34.36

---------------
linux (5.11.0-34.36) hirsute; urgency=medium

  * hirsute/linux: 5.11.0-34.36 -proposed tracker (LP: #1941766)

  * Server boot failure after adding checks for ACPI IRQ override (LP: #1941657)
    - Revert "ACPI: resources: Add checks for ACPI IRQ override"

linux (5.11.0-33.35) hirsute; urgency=medium

  * hirsute/linux: 5.11.0-33.35 -proposed tracker (LP: #1940101)

  * libvirtd fails to create VM (LP: #1940107)
    - sched: Stop PF_NO_SETAFFINITY from being inherited by various init system
      threads

linux (5.11.0-32.34) hirsute; urgency=medium

  * hirsute/linux: 5.11.0-32.34 -proposed tracker (LP: #1939769)

  * Packaging resync (LP: #1786013)
    - debian/dkms-versions -- update from kernel-versions (main/2021.08.16)

  * CVE-2021-3656
    - SAUCE: KVM: nSVM: always intercept VMLOAD/VMSAVE when nested

  * CVE-2021-3653
    - SAUCE: KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl

  * [regression] USB device is not detected during boot (LP: #1939638)
    - SAUCE: Revert "usb: core: reduce power-on-good delay time of root hub"

  * Support builtin revoked certificates (LP: #1932029)
    - [Packaging] build canonical-revoked-certs.pem from branch/arch certs
    - [Packaging] Revoke 2012 UEFI signing certificate as built-in
    - [Config] Configure CONFIG_SYSTEM_REVOCATION_KEYS with revoked keys

  * Support importing mokx keys into revocation list from the mok table
    (LP: #1928679)
    - SAUCE: integrity: add informational messages when revoking certs

  * Support importing mokx keys into revocation list from the mok table
    (LP: #1928679) // CVE-2020-26541 when certificates are revoked via
    MokListXRT.
    - SAUCE: integrity: Load mokx certs from the EFI MOK config table

  * Include product_sku info to modalias (LP: #1938143)
    - firmware/dmi: Include product_sku info to modalias

  * Fix Ethernet not working by hotplug - RTL8106E (LP: #1930645)
    - net: phy: rename PHY_IGNORE_INTERRUPT to PHY_MAC_INTERRUPT
    - SAUCE: r8169: Use PHY_POLL when RTL8106E enable ASPM

  * [SRU][H/OEM-5.10/OEM-5.13/U] Fix system hang after unplug tbt dock
    (LP: #1938689)
    - SAUCE: igc: fix page fault when thunderbolt is unplugged

  * [Regression] Audio card [8086:9d71] not detected after upgrade from linux
    5.4 to 5.8 (LP: #1915117)
    - [Config] set CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC to y

  * Backlight (screen brightness) on Lenovo P14s AMD Gen2 inop (LP: #1934557)
    - drm/amdgpu/display: only enable aux backlight control for OLED panels

  * Touchpad not working with ASUS TUF F15 (LP: #1937056)
    - pinctrl: tigerlake: Fix GPIO mapping for newer version of software

  * dev_forward_skb: do not scrub skb mark within the same name space
    (LP: #1935040)
    - dev_forward_skb: do not scrub skb mark within the same name space

  * Fix display output on HP hybrid GFX laptops (LP: #1936296)
    - drm/i915: Invoke another _DSM to enable MUX on HP Workstation laptops

  * [SRU][OEM-5.10/H] UBUNTU: SAUCE: Fix backlight control on Samsung 16727
    panel (LP: #1930527)
    - SAUCE: drm/i915: Force DPCD backlight mode for Samsung 16727 pa...

Changed in linux (Ubuntu Hirsute):
status: Fix Committed → Fix Released
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