linux: 4.4.0-147.173 -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
bugs-spammed: true
phase: Holding before Release
phase-changed: Monday, 13. May 2019 05:00 UTC
proposed-announcement-sent: true
proposed-testing-requested: true

[Devices Certification Bot (ce-certification-qa)]

Snap beta testing complete, no regressions found. Ready for promotion. Results here: https://trello.com/c/OBS6iU0E/961-pc-kernel-440-147173-207

[Taihsiang Ho (tai271828)]

Hardware Certification have begun testing this -proposed kernel.

[Kleber Sacilotto de Souza (kleber-souza)]

Verification testing completed successfully with the Xenial kernel in -proposed (https://kernel.ubuntu.com/reports/sru-report.html).

[Po-Hsu Lin (cypressyew)]

4.4.0-147.173 - generic
Regression test CMPL, RTB.

53 / 54 tests were run, missing: xfstests
Issue to note in amd64:
  ubuntu_kvm_unit_tests - apic timeouted (bug 1748103) debug (bug 1821906)
  ubuntu_ltp_syscalls - inotify07 (bug 1774387) inotify08 (bug 1775784) fanotify07/fanotify08 timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timeouted (bug 1802454) fanotify11 timeouted (bug 1808107) sync_file_range02 (bug 1819116)

48 / 49 tests were run, missing: xfstests
Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_kernel_selftests - cpu-hotplug failed on moonshot (bug 1809701)
  ubuntu_kvm_smoke_test - unable to create KVM with uvtool (bug 1749427)
  ubuntu_kvm_unit_tests - pmu on ms10-34-mcdivittB0-kernel (bug 1751000) gicv2-mmio on X-ARM64 (bug 1828165) gicv2 related test failed on ThunderX (bug 1828153)
  ubuntu_ltp_syscalls - inotify07 (bug 1774387) inotify08 (bug 1775784) fanotify07/fanotify08 timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timeouted (bug 1802454) fanotify11 timeouted (bug 1808107) sync_file_range02 (bug 1819116)

Issue to note in i386:
  ubuntu_kvm_smoke_test - timed out waiting for dnsmasq lease (bug 1802056)
  ubuntu_kvm_unit_tests - unable to build on X/T i386 (bug 1798007)
  ubuntu_ltp_syscalls - inotify07 (bug 1774387) inotify08 (bug 1775784) fanotify07/fanotify08 timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timeouted (bug 1802454) fanotify11 timeouted (bug 1808107) sync_file_range02 (bug 1819116)
  xfstests - xfs generic/308 timed out (bug 1738152)

Issue to note in ppc64le (P8):
  ubuntu_btrfs_kernel_fixes - Unable to mount a btrfs filesystem smaller than 320M on Xenial P8 (bug 1813863)
  ubuntu_ltp_syscalls - fallocate05, fsetxattr01, fgetxattr01, fsync01, preadv03, preadv03_64, pwritev03, pwritev03_64, setxattr01 (bug 1785198) inotify07 (bug 1774387) inotify08 (bug 1775784) fanotify07/fanotify08 timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timeouted (bug 1802454) fanotify11 timeouted (bug 1808107)
  xfstests - btrfs generic/176 timed out

Issue to note in s390x (Ubuntu on LPAR):
  libhugetlbfs - failed 11 killed by signal 7 bad config 1
  ubuntu_bpf_jit - 4 failures reported for X s390x (bug 1768452)
  ubuntu_kernel_selftests - test_bpf in net (bug 1768452)
  ubuntu_kvm_smoke_test - uvtool issue (bug 1729854)
  ubuntu_ltp_syscalls - inotify07 (bug 1774387) inotify08 (bug 1775784) fanotify07/fanotify08 timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timeouted (bug 1802454) fanotify11 timeouted (bug 1808107) sync_file_range02 (bug 1819116)
  ubuntu_qrt_kernel_security - SECURITY_SELINUX_DISABLE option should be enable on X s390x (bug 1813721)

Issue to note in s390x (zVM):
  libhugetlbfs - failed 11 killed by signal 7 bad config 1
  ubuntu_bpf_jit - 4 failures reported for X s390x (bug 1768452)
  ubuntu_kernel_selftests - test_bpf in net (bug 1812189)
  ubuntu_kvm_smoke_test - uvtool issue (bug 1729854)
  ubuntu_kvm_unit_tests - skey failed on zVM (bug 1778705)
  ubuntu_ltp_syscalls - inotify07 (bug 1774387) inotify08 (bug 1775784) f...

[Taihsiang Ho (tai271828)]

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here: http://people.canonical.com/~hwcert/sru-testing/xenial/4.4.0-147.173/xenial-proposed-published.html

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 4.4.0-148.174

---------------
linux (4.4.0-148.174) xenial; urgency=medium

  * CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130
    - Documentation/l1tf: Fix small spelling typo
    - perf/x86/intel: Add model number for Skylake Server to perf
    - perf/x86: Add model numbers for Kabylake CPUs
    - perf/x86/intel: Use Intel family macros for core perf events
    - perf/x86/msr: Use Intel family macros for MSR events code
    - perf/x86/msr: Add missing Intel models
    - SAUCE: perf/x86/{cstate,rapl,uncore}: Use Intel Model name macros
    - perf/x86/msr: Add missing CPU IDs
    - x86/speculation: Simplify the CPU bug detection logic
    - x86/cpu: Sanitize FAM6_ATOM naming
    - kvm: x86: Report STIBP on GET_SUPPORTED_CPUID
    - bitops: avoid integer overflow in GENMASK(_ULL)
    - 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()
    - locking/static_keys: Provide DECLARE and well as DEFINE macros
    - 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
    - SAUCE: sched/smt: Introduce sched_smt_{active,present}
    - SAUCE: Rename the Ubuntu-only spec_ctrl_mutex mutex
    - SAUCE: x86/speculation: Introduce arch_smt_update()
    - x86/speculation: Rework SMT state change
    - x86/speculation: Reorder the spec_v2 code
    - x86/speculation: Unify conditional spectre v2 print functions
    - 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 (4.4.0-147.173) xenial; urgency=medium

  * linux: 4.4.0-147.173 -proposed tracker (LP: #1826036)

  * Packaging resync...