Azure: hv_netvsc: Fix race between VF offering and VF association message from host

Patches submitted: https://lists.ubuntu.com/archives/kernel-team/2022-October/134324.html
Focal test kernel: https://kernel.ubuntu.com/~rtg/focal-azure-vf-race-lp1994974/5.4.0-1096.102~lp1994974.1/

This bug is awaiting verification that the linux-azure/5.15.0-1030.37 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-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

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 is awaiting verification that the linux-azure/5.4.0-1100.106 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!

Microsoft tested and accepted. Marking verification-done-focal verification-done-jammy

This bug was fixed in the package linux-azure - 5.4.0-1100.106

---------------
linux-azure (5.4.0-1100.106) focal; urgency=medium

  * focal/linux-azure: 5.4.0-1100.106 -proposed tracker (LP: #1999429)

  * ubuntu_bpf failed to build on F-azure-5.4 / B-azure-5.4 ( error:
    ‘bpf_object_open_opts’ undeclared) (LP: #1990794)
    - Revert "bpf, testing: Add selftest to read/write sockaddr from user space"

  * Focal update: v5.4.214 upstream stable release (LP: #1993196)
    - [Config] azure: soc: fsl: select FSL_GUTS driver for DPIO

  * Azure: hv_netvsc: Fix race between VF offering and VF association message
    from host (LP: #1994974)
    - hv_netvsc: Fix race between VF offering and VF association message from host

  * Azure: RMB Patch to backport on the Azure Linux Images (LP: #1994987)
    - net: mana: Add rmb after checking owner bits

  [ Ubuntu: 5.4.0-136.153 ]

  * focal/linux: 5.4.0-136.153 -proposed tracker (LP: #1997835)
  * Expose built-in trusted and revoked certificates (LP: #1996892)
    - [Packaging] Expose built-in trusted and revoked certificates
  * [UBUNTU 20.04] KVM: PV: ext call delivered twice when receiver in PSW wait
    (LP: #1995941)
    - KVM: s390: pv: don't present the ecall interrupt twice
  * [UBUNTU 20.04] boot: Add s390x secure boot trailer (LP: #1996071)
    - s390/boot: add secure boot trailer
  * Fix rfkill causing soft blocked wifi (LP: #1996198)
    - platform/x86: hp_wmi: Fix rfkill causing soft blocked wifi
  * md: Replace snprintf with scnprintf (LP: #1993315)
    - md: Replace snprintf with scnprintf
  * input/keyboard: the keyboard on some Asus laptops can't work (LP: #1992266)
    - ACPI: resource: Skip IRQ override on Asus Vivobook K3402ZA/K3502ZA
    - ACPI: resource: Add ASUS model S5402ZA to quirks
  * Focal update: v5.4.218 upstream stable release (LP: #1995530)
    - mm: pagewalk: Fix race between unmap and page walker
    - perf tools: Fixup get_current_dir_name() compilation
    - firmware: arm_scmi: Add SCMI PM driver remove routine
    - dmaengine: xilinx_dma: cleanup for fetching xlnx,num-fstores property
    - dmaengine: xilinx_dma: Report error in case of dma_set_mask_and_coherent API
      failure
    - ARM: dts: fix Moxa SDIO 'compatible', remove 'sdhci' misnomer
    - scsi: qedf: Fix a UAF bug in __qedf_probe()
    - net/ieee802154: fix uninit value bug in dgram_sendmsg
    - um: Cleanup syscall_handler_t cast in syscalls_32.h
    - um: Cleanup compiler warning in arch/x86/um/tls_32.c
    - arch: um: Mark the stack non-executable to fix a binutils warning
    - usb: mon: make mmapped memory read only
    - USB: serial: ftdi_sio: fix 300 bps rate for SIO
    - mmc: core: Replace with already defined values for readability
    - mmc: core: Terminate infinite loop in SD-UHS voltage switch
    - rpmsg: qcom: glink: replace strncpy() with strscpy_pad()
    - nilfs2: fix leak of nilfs_root in case of writer thread creation failure
    - nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
    - ceph: don't truncate file in atomic_open
    - random: clamp credited irq bits to maximum mixed
    - ALSA: hda: Fix position reporting on Poulsbo
    - efi: Correct Macmi...

This bug was fixed in the package linux-azure - 5.15.0-1030.37

---------------
linux-azure (5.15.0-1030.37) jammy; urgency=medium

  * jammy/linux-azure: 5.15.0-1030.37 -proposed tracker (LP: #1999425)

  * Azure: Jammy fio test causes panic (LP: #1996806)
    - scsi: storvsc: Fix unsigned comparison to zero

  * Azure: Jammy fio test hangs, swiotlb buffers exhausted (LP: #1998838)
    - SAUCE: scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM

  * Azure: hv_netvsc: Fix race between VF offering and VF association message
    from host (LP: #1994974)
    - hv_netvsc: Fix race between VF offering and VF association message from host

  * [Azure][Arm64] Unable to detect all VF nics / Failing provisioning
    (LP: #1996117)
    - PCI: hv: Fix the definition of vector in hv_compose_msi_msg()

  * Azure: MANA New Feature MANA XDP_Redirect Action (LP: #1998351)
    - net: mana: Add support of XDP_REDIRECT action

  [ Ubuntu: 5.15.0-57.63 ]

  * jammy/linux: 5.15.0-57.63 -proposed tracker (LP: #1997737)
  * Packaging resync (LP: #1786013)
    - [Packaging] update variants
    - debian/dkms-versions -- update from kernel-versions (main/2022.11.14)
  * Expose built-in trusted and revoked certificates (LP: #1996892)
    - [Packaging] Expose built-in trusted and revoked certificates
  * TEE Support for CCP driver (LP: #1991608)
    - crypto: ccp: Add support for TEE for PCI ID 0x14CA
  * alsa: soc: the kernel print UBSAN calltrace on the machine with cs35l41
    codec (LP: #1996121)
    - ASoC: cs35l41: Add one more variable in the debug log
    - ASoC: cs35l41: Fix an out-of-bounds access in otp_packed_element_t
  * Fix ath11k deadlock on WCN6855 (LP: #1995041)
    - wifi: ath11k: avoid deadlock during regulatory update in
      ath11k_regd_update()
  * [UBUNTU 20.04] boot: Add s390x secure boot trailer (LP: #1996071)
    - s390/boot: add secure boot trailer
  * Fix rfkill causing soft blocked wifi (LP: #1996198)
    - platform/x86: hp_wmi: Fix rfkill causing soft blocked wifi
  * Fix Thunderbolt device hotplug fail when connect via thunderbolt dock
    (LP: #1991366)
    - PCI: Fix used_buses calculation in pci_scan_child_bus_extend()
    - PCI: Pass available buses even if the bridge is already configured
    - PCI: Move pci_assign_unassigned_root_bus_resources()
    - PCI: Distribute available resources for root buses, too
    - PCI: Fix whitespace and indentation
    - PCI: Fix typo in pci_scan_child_bus_extend()
  * md: Replace snprintf with scnprintf (LP: #1993315)
    - md: Replace snprintf with scnprintf
  * input/keyboard: the keyboard on some Asus laptops can't work (LP: #1992266)
    - ACPI: resource: Skip IRQ override on Asus Vivobook K3402ZA/K3502ZA
    - ACPI: resource: Add ASUS model S5402ZA to quirks
  * Fix Turbostat is not working for fam: 6 model: 191: stepping: 2 CPU
    (LP: #1991365)
    - tools/power turbostat: Add support for RPL-S
  * pcieport 0000:00:1b.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal),
    type=Transaction Layer, (Requester ID) (LP: #1988797)
    - PCI/PTM: Cache PTM Capability offset
    - PCI/PTM: Add pci_upstream_ptm() helper
    - PCI/PTM: Separate configuration and enable
    - PCI/PTM: ...

This bug is awaiting verification that the linux-azure-5.15/5.15.0-1033.40~20.04.1 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!

Ubuntu 22.10 (Kinetic Kudu) has reached end of life, so this bug will not be fixed for that specific release.