linux-hwe: 4.18.0-19.20~18.04.1 -proposed tracker

Hardware Certification have begun testing this -proposed kernel.

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here: http://people.canonical.com/~hwcert/sru-testing/bionic/4.18.0-19.20~18.04.1/bionic-4.18-proposed-published.html

4.18.0-19.20~18.04.1 - generic
Regression test CMPL, RTB.

Issue to note in amd64:
  ubuntu_kernel_selftests - psock_snd in net (bug 1812618)
  ubuntu_kvm_unit_tests - apic-split timeouted (bug 1821390) apic timeouted (bug 1748103) svm (bug 1821903)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_bpf - Failed sockmap unexpected timeout on ARM64 (bug 1805806)
  ubuntu_kernel_selftests - cpu-hotplug failed on moonshot (bug 1809701) psock_snd in net (bug 1812618)
  ubuntu_kvm_unit_tests - gicv2-mmio-up (bug 1828026) gicv2-mmio-3p (bug 1828027) gicv3-ipi failed on Moonshot (bug 1790825)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in i386:
  ubuntu_bpf - Some SK_MSG related tests in ubuntu_bpf failed on i386 B-4.18 (bug 1805994)
  ubuntu_btrfs_kernel_fixes - ff76b05 failed (bug 1812988)
  ubuntu_kernel_selftests - psock_snd in net (bug 1812618)
  ubuntu_kvm_smoke_test - timed out waiting for dnsmasq lease (bug 1802056)
  ubuntu_kvm_unit_tests - all 29 test failed on i386 (bug 1822235)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594)
  ubuntu_lttng_smoke_test - lttng-smoke test failed on i386 4.18 kernel (bug 1802495)
  ubuntu_qrt_kernel_security - flaky test on i386 (bug 1814295)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in ppc64le (P8):
  ubuntu_bpf - test_map failed on PowerPC (bug 1802474)
  ubuntu_btrfs_kernel_fixes - ff76b05 failed (bug 1812988)
  ubuntu_kernel_selftests - reuseport_bpf_numa in net (bug 1812638) psock_snd in net (bug 1812618) TRACE_syscall.ptrace_syscall_dropped in seccomp (bug 1812796) ebb in powerpc (bug 1812805)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

48 / 49 tests were run, missing: xfstests
Issue to note in ppc64le (P9):
  hwclock - hwclock test failed on Power9 system with Bionic kernel (bug 1775858)
  ubuntu_blktrace_smoke_test - attempt to run blktrace on offline CPUs (bug 1827318)
  ubuntu_bpf - test_map failed on PowerPC (bug 1802474)
  ubuntu_btrfs_kernel_fixes - ff76b05 failed (bug 1812988)
  ubuntu_kernel_selftests - reuseport_bpf_numa in net (bug 1812638) psock_snd in net (bug 1812618) TRACE_syscall.ptrace_syscall_dropped in seccomp (bug 1812796) alignment in powerpc (bug 1813118) dscr_sysfs_test in powerpc/dscr (bug 1813136) ebb in powerpc (bug 1812805)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116)

Note: No xfstests for P9 as it does not have a scratch drive

This bug was fixed in the package linux-hwe - 4.18.0-20.21~18.04.1

---------------
linux-hwe (4.18.0-20.21~18.04.1) bionic; urgency=medium

  [ Ubuntu: 4.18.0-20.21 ]

  * 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-hwe (4.18.0-19.20~18.04.1) bionic; urgency=medium

  * linux-hwe: 4.18.0-19.20~18.04.1 -proposed tracker (LP: #1826170)

  [ Ubuntu: 4.18.0-19.20 ]

  * linux: 4.18.0-19.20 -proposed tracker (LP: #1826171)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log
  * autopkgtests run too often, too much and don't skip enough (LP: #1823056)
    - [Debian] Set +x on rebuild testcase.
    - [Debian] Skip rebuild test, for regression-suite deps.
    - [Debian] Make ubuntu-regression-suite skippable on unbootable kernels.
    - [Debian] make rebuild use skippable error codes when skipping.
    - [Debian] Only run regression-suite, if requested to.
  * CVE-2017-5753
    - s390/keyboard: sanitize array index in do_kdsk_ioctl
    - drm/bufs: Fix Spectre v1 vulnerability
    - drivers/misc/sgi-gru: fix Spectre v1 vulnerability
    - ipv4: Fix potential Spectre v1 vulnerability
    - aio: fix spectre gadget in lookup_ioctx
    - ALSA: emux: Fix potential Spectre v1 vulnerabilitie...