linux-hwe: 4.15.0-47.50~16.04.1 -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

derivatives: bug 1819714 (linux-hwe-edge)

-- swm properties --
boot-testing-requested: true
kernel-stable-master-bug: 1819716
phase: Release
phase-changed: Tuesday, 02. April 2019 11:04 UTC
proposed-announcement-sent: true
proposed-testing-requested: true

[Taihsiang Ho (tai271828)]

Hardware Certification have begun testing this -proposed kernel.

[Po-Hsu Lin (cypressyew)]

4.15.0-47.50~16.04.1 - lowlatency
Regression test CMPL, RTB.

Issue to note in amd64:
  ubuntu_kernel_selftests - net test failed to build (bug 1813883) global.get_metadata in seccomp (bug 1811057)
  ubuntu_kvm_unit_tests - apic timeouted (bug 1748103) vmware_backdoors (bug 1821393) svm (bug 1821903)
  ubuntu_ltp_syscalls - inotify08 (bug 1775784) fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116) statx05 (bug 1798524)
  xfstests - btrfs generic/176 timed out

Issue to note in i386:
  ubuntu_kernel_selftests - net test failed to build (bug 1813883) global.get_metadata in seccomp (bug 1811057)
  ubuntu_kvm_smoke_test - Unable to start KVM, timed out waiting for dnsmasq lease (bug 1802056)
  ubuntu_kvm_unit_tests - unable to build on X/T i386 (bug 1798007)
  ubuntu_ltp_syscalls - inotify08 (bug 1775784) fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116) statx05 (bug 1798524)
  xfstests - xfs generic/112 timed out

4.15.0-47.50~16.04.1 - generic
Regression test CMPL, RTB.

Issue to note in amd64:
  ubuntu_kernel_selftests - net test failed to build (bug 1813883) global.get_metadata in seccomp (bug 1811057)
  ubuntu_kvm_unit_tests - apic timeouted (bug 1748103) vmware_backdoors (bug 1821393) svm (bug 1821903)
  ubuntu_ltp_syscalls - inotify08 (bug 1775784) fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116) statx05 (bug 1798524)
  ubuntu_nbd_smoke_test - I/O error (bug 1822247)
  xfstests - btrfs generic/176 timed out

Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_kernel_selftests - cpu-hotplug failed on moonshot (bug 1809701) net test failed to build (bug 1813883) global.get_metadata in seccomp (bug 1811057)
  ubuntu_kvm_smoke_test - unable to create KVM with uvtool (bug 1749427)
  ubuntu_kvm_unit_tests - gicv2-ipi on moonshots gicv2-mmio-up on moonshots gicv2-mmio-3p on moonshots pmu on starmie (bug 1751000) gicv2-ipi on thunderX gicv2-mmio on thunderX gicv2-mmio-up on thunderX gicv2-mmio-3p on thunderX gicv2-active on thunderX timer on thunderX
  ubuntu_ltp_syscalls - inotify08 (bug 1775784) fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116) statx05 (bug 1798524)
  xfstests - btrfs generic/176 timed out

47 / 48 tests were run, missing: xfstests
Issue to note in i386:
  ubuntu_kernel_selftests - net test failed to build (bug 1813883) global.get_metadata in seccomp (bug 1811057)
  ubuntu_kvm_smoke_test - Unable to start KVM, timed out waiting for dnsmasq lease (bug 1802056)
  ubuntu_kvm_unit_tests - unable to build on X/T i386 (bug 1798007)
  ubuntu_ltp_syscalls - inotify08 (bug 1775784) fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116) statx05 (bug 1798524)
  ubuntu_nbd_smoke_test - I/O error (bug 1822247)

Issue to note in ppc64le (P8):
  ubuntu_kernel_selftests - net test failed to build (bug ) TRACE_syscall.ptrace_syscall_dropped in seccomp (bug 1812796) global.get_metadata in seccomp (bug 1811057)
  ubuntu_ltp_syscalls - fallocate05 (bug 1783880) inotify08 (bug 1775784) fanotify09-2 (bug 1804594) sync_file_range02 (bug 1819116) statx05 (bug 1798524)
  ubuntu_sysdig_smoke_test - Unable to build sysdig module on PowerPC with X-...

[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/4.15.0-47.50~16.04.1/xenial-4.15-proposed-published.html

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-hwe - 4.15.0-47.50~16.04.1

---------------
linux-hwe (4.15.0-47.50~16.04.1) xenial; urgency=medium

  * linux-hwe: 4.15.0-47.50~16.04.1 -proposed tracker (LP: #1819715)

  * Packaging resync (LP: #1786013)
    - [Packaging] update helper scripts
    - [Packaging] update update.conf

  * Strip specific changes from update-from-*master (LP: #1817734)
    - Packaging: Introduce copy-files and local-mangle
    - Packaging: Make update-from-*master call copy-files

  [ Ubuntu: 4.15.0-47.50 ]

  * linux: 4.15.0-47.50 -proposed tracker (LP: #1819716)
  * Packaging resync (LP: #1786013)
    - [Packaging] resync getabis
    - [Packaging] update helper scripts
    - [Packaging] resync retpoline extraction
  * C++ demangling support missing from perf (LP: #1396654)
    - [Packaging] fix a mistype
  * arm-smmu-v3 arm-smmu-v3.3.auto: CMD_SYNC timeout (LP: #1818162)
    - iommu/arm-smmu-v3: Fix unexpected CMD_SYNC timeout
  * Crash in nvme_irq_check() when using threaded interrupts (LP: #1818747)
    - nvme-pci: fix out of bounds access in nvme_cqe_pending
  * CVE-2019-9213
    - mm: enforce min addr even if capable() in expand_downwards()
  * CVE-2019-3460
    - Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt
  * amdgpu with mst WARNING on blanking (LP: #1814308)
    - drm/amd/display: Don't use dc_link in link_encoder
    - drm/amd/display: Move wait for hpd ready out from edp power control.
    - drm/amd/display: eDP sequence BL off first then DP blank.
    - drm/amd/display: Fix unused variable compilation error
    - drm/amd/display: Fix warning about misaligned code
    - drm/amd/display: Fix MST dp_blank REG_WAIT timeout
  * tun/tap: unable to manage carrier state from userland (LP: #1806392)
    - tun: implement carrier change
  * CVE-2019-8980
    - exec: Fix mem leak in kernel_read_file
  * raw_skew in timer from the ubuntu_kernel_selftests failed on Bionic
    (LP: #1811194)
    - selftest: timers: Tweak raw_skew to SKIP when ADJ_OFFSET/other clock
      adjustments are in progress
  * [Packaging] Allow overlay of config annotations (LP: #1752072)
    - [Packaging] config-check: Add an include directive
  * CVE-2019-7308
    - bpf: move {prev_,}insn_idx into verifier env
    - bpf: move tmp variable into ax register in interpreter
    - bpf: enable access to ax register also from verifier rewrite
    - bpf: restrict map value pointer arithmetic for unprivileged
    - bpf: restrict stack pointer arithmetic for unprivileged
    - bpf: restrict unknown scalars of mixed signed bounds for unprivileged
    - bpf: fix check_map_access smin_value test when pointer contains offset
    - bpf: prevent out of bounds speculation on pointer arithmetic
    - bpf: fix sanitation of alu op with pointer / scalar type from different
      paths
    - bpf: add various test cases to selftests
  * CVE-2017-5753
    - bpf: properly enforce index mask to prevent out-of-bounds speculation
    - bpf: fix inner map masking to prevent oob under speculation
  * BPF: kernel pointer leak to unprivileged userspace (LP: #1815259)
    - bpf/verifier: disallow pointer subtraction
  * squashfs hardening (LP: #1816756)
 ...

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

All tasks have been completed and the bug is being set to Fix Released