linux-aws-hwe: 4.15.0-1038.40~16.04.1 -proposed tracker

[Stefan Bader]

This bug will contain status and test results related to a kernel source (or snap) as stated in the title.

For an explanation of the tasks and the associated workflow see:
  https://wiki.ubuntu.com/Kernel/kernel-sru-workflow

-- swm properties --
boot-testing-requested: true
phase: Holding before Release
phase-changed: Monday, 13. May 2019 10:15 UTC
proposed-announcement-sent: true
proposed-testing-requested: true

[Sean Feole (sfeole)]

ubuntu_kvm_tests: 1821394 - vmx tests fail in kvm_unit_tests
ubuntu_kvm_tests: 1821390 - apic-split will fail in kvm_units_tests
libhugetlbfs - 1 failed (alloc-instantiate-race shared), bad config 3, only spotted on t2.small, passed on the rest
ubuntu_kernel_selftests - CPU Hotplug Failed t2.small Only. : running psock_fanout test failed on net test t2.small ONLY
vmx tests fail in kvm_unit_tests (1821394)
cpu_hotplug test failed because there is only 1 CPU (1812149)
ubuntu_lxc: 1828073: lxc-test-apparmor-mount fails on aws : r3.large

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-aws-hwe - 4.15.0-1039.41~16.04.1

---------------
linux-aws-hwe (4.15.0-1039.41~16.04.1) xenial; urgency=medium

  [ Ubuntu: 4.15.0-1039.41 ]

  * CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130
    - Documentation/l1tf: Fix small spelling typo
    - x86/cpu: Sanitize FAM6_ATOM naming
    - kvm: x86: Report STIBP on GET_SUPPORTED_CPUID
    - locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a
      new <linux/bits.h> file
    - tools include: Adopt linux/bits.h
    - x86/msr-index: Cleanup bit defines
    - x86/speculation: Consolidate CPU whitelists
    - x86/speculation/mds: Add basic bug infrastructure for MDS
    - x86/speculation/mds: Add BUG_MSBDS_ONLY
    - x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
    - x86/speculation/mds: Add mds_clear_cpu_buffers()
    - x86/speculation/mds: Clear CPU buffers on exit to user
    - x86/kvm/vmx: Add MDS protection when L1D Flush is not active
    - x86/speculation/mds: Conditionally clear CPU buffers on idle entry
    - x86/speculation/mds: Add mitigation control for MDS
    - x86/speculation/mds: Add sysfs reporting for MDS
    - x86/speculation/mds: Add mitigation mode VMWERV
    - Documentation: Move L1TF to separate directory
    - Documentation: Add MDS vulnerability documentation
    - x86/speculation/mds: Add mds=full,nosmt cmdline option
    - x86/speculation: Move arch_smt_update() call to after mitigation decisions
    - x86/speculation/mds: Add SMT warning message
    - x86/speculation/mds: Fix comment
    - x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
    - x86/speculation/mds: Add 'mitigations=' support for MDS
  * CVE-2017-5715 // CVE-2017-5753
    - s390/speculation: Support 'mitigations=' cmdline option
  * CVE-2017-5715 // CVE-2017-5753 // CVE-2017-5754 // CVE-2018-3639
    - powerpc/speculation: Support 'mitigations=' cmdline option
  * CVE-2017-5715 // CVE-2017-5754 // CVE-2018-3620 // CVE-2018-3639 //
    CVE-2018-3646
    - cpu/speculation: Add 'mitigations=' cmdline option
    - x86/speculation: Support 'mitigations=' cmdline option
  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log

linux-aws-hwe (4.15.0-1038.40~16.04.1) xenial; urgency=medium

  * linux-aws-hwe: 4.15.0-1038.40~16.04.1 -proposed tracker (LP: #1826337)

  [ Ubuntu: 4.15.0-1038.40 ]

  * linux-aws: 4.15.0-1038.40 -proposed tracker (LP: #1826338)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log
  * linux: 4.15.0-49.53 -proposed tracker (LP: #1826358)
  * Backport support for software count cache flush Spectre v2 mitigation. (CVE)
    (required for POWER9 DD2.3) (LP: #1822870)
    - powerpc/64s: Add support for ori barrier_nospec patching
    - powerpc/64s: Patch barrier_nospec in modules
    - powerpc/64s: Enable barrier_nospec based on firmware settings
    - powerpc: Use barrier_nospec in copy_from_user()
    - powerpc/64: Use barrier_nospec in syscall entry
    - powerpc/64s: Enhance the information in cpu_show_spectre_v1()
    - powerpc/64: Disable the speculation barrier from the command line
    - powerpc/64: Make stf barrier PPC_BOOK3S_64 specific.
    - powerp...