bionic/linux-aws: 4.15.0-1053.55 -proposed tracker

[Khaled El Mously]

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
packages:
  lrm: linux-restricted-modules-aws
  main: linux-aws
  meta: linux-meta-aws
phase: Holding before Promote to Updates
phase-changed: Monday, 11. November 2019 18:41 UTC
proposed-announcement-sent: true
proposed-testing-requested: true
trackers:
  bionic/linux-aws-fips: bug 1849014
  bionic/linux-aws/aws-kernel: bug 1849013
  xenial/linux-aws-hwe: bug 1849015
variant: debs

[Po-Hsu Lin (cypressyew)]

4.15.0-1053.55 - aws
Regression test CMPL, RTB.

Issue to note in arm64 (aws):
  ubuntu_ltp - proc01 (bug 1829849) binfmt_misc02 (bug 1822246) fs_fill (bug 1842266) cpuacct_100_100 (bug 1829978) memcg_stat (bug 1829983) memcg_use_hierarchy (bug 1829989) memcg_usage_in_bytes (bug 1829984) memcg_test_3 (bug 1836694) cgroup_fj_* failure caused by memcg_test_3 (bug 1836694) getaddrinfo_01 (bug 1829995) mm test failed on some instances
  ubuntu_ltp_syscalls - fallocate04, fallocate05, fdatasync03, fremovexattr01, fremovexattr02, fsync01, fsync04, msync04, preadv03, preadv03_64, preadv203, preadv203_64, pwritev03, pwritev03_64, sync03, syncfs01, sync_file_range02, copy_file_range01, statx04 (bug 1842266) fsetxattr01, fgetxattr01, fanotify13, fanotify14, lremovexattr01, setxattr01 (bug 1842266) msgstress03 (bug 1783881)

Skipped / blacklisted:
 * iosched_bugs
 * libhugetlbfs
 * monotonic_time
 * tsc
 * ubuntu_32_on_64
 * ubuntu_seccomp
 * ubuntu_sysdig_smoke_test

Issue to note in x86_64 (aws):
  tsc - failed on i3.metal
  ubuntu_kernel_selftests - raw_skew in timer (bug 1811194)
  ubuntu_kvm_unit_tests - apic timeouted (bug 1748103) apic-split (bug 1821390) vmx (bug 1821394) vmx_apic_passthrough_thread (bug 1822309) vmx_apicv_test (bug 1837543) vmx_hlt_with_rvi_test (bug 1822308) on i3.metal
  ubuntu_ltp - proc01 (bug 1829849) binfmt_misc02 (bug 1822246) fs_fill (bug 1842266) cpuacct_100_100 (bug 1829978) cpuset_hotplug (bug 1834006) memcg_stat (bug 1829983) memcg_use_hierarchy (bug 1829989) memcg_usage_in_bytes (bug 1829984) memcg_max_usage_in_bytes (bug 1829979) getaddrinfo_01 (bug 1829995) crypto_user02 (bug 1837543) ltp_acpi (bug 1830676)
  ubuntu_ltp_syscalls - fallocate04, fallocate05, fdatasync03, fremovexattr01, fremovexattr02, fsync01, fsync04, msync04, preadv03, preadv03_64, preadv203, preadv203_64, pwritev03, pwritev03_64, sync03, syncfs01, sync_file_range02, copy_file_range01, statx04 (bug 1842266) fsetxattr01, fgetxattr01, fanotify13, fanotify14, lremovexattr01, setxattr01 (bug 1842266) msgstress03 (bug 1783881)

Skipped / blacklisted:
 * libhugetlbfs
 * ubuntu_seccomp

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-aws - 4.15.0-1054.56

---------------
linux-aws (4.15.0-1054.56) bionic; urgency=medium

  * CVE-2019-11135
    - [Config] Disable TSX by default when possible

  [ Ubuntu: 4.15.0-69.78 ]

  * KVM NULL pointer deref (LP: #1851205)
    - KVM: nVMX: handle page fault in vmread fix
  * CVE-2018-12207
    - KVM: MMU: drop vcpu param in gpte_access
    - kvm: Convert kvm_lock to a mutex
    - kvm: x86: Do not release the page inside mmu_set_spte()
    - KVM: x86: make FNAME(fetch) and __direct_map more similar
    - KVM: x86: remove now unneeded hugepage gfn adjustment
    - KVM: x86: change kvm_mmu_page_get_gfn BUG_ON to WARN_ON
    - KVM: x86: add tracepoints around __direct_map and FNAME(fetch)
    - kvm: x86, powerpc: do not allow clearing largepages debugfs entry
    - SAUCE: KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is
      active
    - SAUCE: x86: Add ITLB_MULTIHIT bug infrastructure
    - SAUCE: kvm: mmu: ITLB_MULTIHIT mitigation
    - SAUCE: kvm: Add helper function for creating VM worker threads
    - SAUCE: kvm: x86: mmu: Recovery of shattered NX large pages
    - SAUCE: cpu/speculation: Uninline and export CPU mitigations helpers
    - SAUCE: kvm: x86: mmu: Apply global mitigations knob to ITLB_MULTIHIT
  * CVE-2019-11135
    - KVM: x86: use Intel speculation bugs and features as derived in generic x86
      code
    - x86/msr: Add the IA32_TSX_CTRL MSR
    - x86/cpu: Add a helper function x86_read_arch_cap_msr()
    - x86/cpu: Add a "tsx=" cmdline option with TSX disabled by default
    - x86/speculation/taa: Add mitigation for TSX Async Abort
    - x86/speculation/taa: Add sysfs reporting for TSX Async Abort
    - kvm/x86: Export MDS_NO=0 to guests when TSX is enabled
    - x86/tsx: Add "auto" option to the tsx= cmdline parameter
    - x86/speculation/taa: Add documentation for TSX Async Abort
    - x86/tsx: Add config options to set tsx=on|off|auto
    - SAUCE: x86/speculation/taa: Call tsx_init()
    - SAUCE: x86/cpu: Include cpu header from bugs.c
    - [Config] Disable TSX by default when possible
  * CVE-2019-0154
    - SAUCE: drm/i915: Lower RM timeout to avoid DSI hard hangs
    - SAUCE: drm/i915/gen8+: Add RC6 CTX corruption WA
  * CVE-2019-0155
    - drm/i915/gtt: Add read only pages to gen8_pte_encode
    - drm/i915/gtt: Read-only pages for insert_entries on bdw+
    - drm/i915/gtt: Disable read-only support under GVT
    - drm/i915: Prevent writing into a read-only object via a GGTT mmap
    - drm/i915/cmdparser: Check reg_table_count before derefencing.
    - drm/i915/cmdparser: Do not check past the cmd length.
    - drm/i915: Silence smatch for cmdparser
    - drm/i915: Move engine->needs_cmd_parser to engine->flags
    - SAUCE: drm/i915: Rename gen7 cmdparser tables
    - SAUCE: drm/i915: Disable Secure Batches for gen6+
    - SAUCE: drm/i915: Remove Master tables from cmdparser
    - SAUCE: drm/i915: Add support for mandatory cmdparsing
    - SAUCE: drm/i915: Support ro ppgtt mapped cmdparser shadow buffers
    - SAUCE: drm/i915: Allow parsing of unsized batches
    - SAUCE: drm/i915: Add gen9 BCS cmdparsing
    - SAUCE: drm/i915/cmdparser: Use explicit goto ...