xenial/linux-hwe: 4.15.0-126.129~16.04.1 -proposed tracker

[Kelsey Skunberg]

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
kernel-stable-master-bug: 1905305
packages:
  main: linux-hwe
  meta: linux-meta-hwe
  signed: linux-signed-hwe
phase: Complete
phase-changed: Wednesday, 02. December 2020 11:41 UTC
proposed-announcement-sent: true
proposed-testing-requested: true
reason: {}
synthetic:
  :promote-to-as-proposed: Fix Released
trackers:
  xenial/linux-deeplens: bug 1903135
variant: debs
versions:
  main: 4.15.0-126.129~16.04.1
  meta: 4.15.0.126.125
  signed: 4.15.0-126.129~16.04.1

[Gavin Lin (gavin.lin)]

Leveraging results from 4.15.0-125, no regression were observed, results are available here:
https://trello.com/c/A9BXjZrn/1076-xenial-hwe-linux-image-4150-125-generic-4150-12512816041

[Po-Hsu Lin (cypressyew)]

4.15.0-126.129~16.04.1 - generic
Regression test CMPL, RTB.

10 / 60 tests were run, missing: aio_dio_bugs, aiostress, ebizzy, fs_mark, fsx, iosched_bugs, iperf, ipv6connect, monotonic_time, rmaptest, rtc, signaltest, synctest, ubuntu_32_on_64, ubuntu_aufs_smoke_test, ubuntu_blkdev_directio, ubuntu_blktrace_smoke_test, ubuntu_boot, ubuntu_cve_kernel, ubuntu_docker_smoke_test, ubuntu_fan_smoke_test, ubuntu_ftrace_smoke_test, ubuntu_futex, ubuntu_kvm_smoke_test, ubuntu_leap_seconds, ubuntu_loop_smoke_test, ubuntu_lttng_smoke_test, ubuntu_nbd_smoke_test, ubuntu_overlayfs_smoke_test, ubuntu_qrt_apparmor, ubuntu_qrt_kernel_aslr_collisions, ubuntu_qrt_kernel_hardening, ubuntu_qrt_kernel_panic, ubuntu_qrt_kernel_security, ubuntu_quota_smoke_test, ubuntu_ramfs_stress, ubuntu_squashfs_smoke_test, ubuntu_stress_smoke_test, ubuntu_sysdig_smoke_test, ubuntu_unionmount_ovlfs, ubuntu_vfat_stress, ubuntu_xfstests_btrfs, ubuntu_xfstests_ext4, ubuntu_xfstests_xfs, ubuntu_zfs_fstest, ubuntu_zfs_smoke_test, ubuntu_zfs_stress, ubuntu_zfs_xfs_generic, ubuntu_zram_smoke_test, wb_kupdate
Issue to note in amd64:
  ubuntu_kvm_unit_tests - apic timeouted (bug 1748103) vmx (bug 1821394) vmx_host_state_area (bug 1866585) vmx_intr_window_test (bug 1866586) vmx_nm_test (bug 1866587) vmx_nmi_window_test (bug 1866588) vmx_pending_event_test (bug 1866591)
  ubuntu_ltp_syscalls - btrfs fill_fs test in fallocate06 (bug 1866323) fanotify09 case 3 (bug 1876684) shmctl04 (bug 1895276) ptrace10 (bug 1900951)

50 / 54 tests were run, missing: ubuntu_boot, ubuntu_xfstests_btrfs, ubuntu_xfstests_ext4, ubuntu_xfstests_xfs
Issue to note in i386:
  ubuntu_kvm_unit_tests - unable to build on X/T i386 (bug 1798007)
  ubuntu_ltp_syscalls - btrfs fill_fs test in fallocate06 (bug 1866323) fanotify09 case 3 (bug 1876684) shmctl04 (bug 1895276) ptrace10 (bug 1900951) futex_wake04 on i386 (bug 1892165)
  ubuntu_qrt_kernel_security - flaky test on i386 (bug 1814295)

9 / 56 tests were run, missing: aio_dio_bugs, aiostress, ebizzy, fs_mark, fsx, hwclock, iperf, ipv6connect, libhugetlbfs, rmaptest, rtc, signaltest, synctest, ubuntu_aufs_smoke_test, ubuntu_blkdev_directio, ubuntu_blktrace_smoke_test, ubuntu_boot, ubuntu_bpf_jit, ubuntu_btrfs_kernel_fixes, ubuntu_cts_kernel, ubuntu_docker_smoke_test, ubuntu_futex, ubuntu_kernel_selftests, ubuntu_kvm_unit_tests, ubuntu_leap_seconds, ubuntu_loop_smoke_test, ubuntu_ltp_syscalls, ubuntu_lxc, ubuntu_overlayfs_smoke_test, ubuntu_qrt_apparmor, ubuntu_qrt_kernel_aslr_collisions, ubuntu_qrt_kernel_hardening, ubuntu_qrt_kernel_panic, ubuntu_qrt_kernel_security, ubuntu_ramfs_stress, ubuntu_seccomp, ubuntu_squashfs_smoke_test, ubuntu_unionmount_ovlfs, ubuntu_vfat_stress, ubuntu_xfstests_btrfs, ubuntu_xfstests_ext4, ubuntu_xfstests_xfs, ubuntu_zfs_fstest, ubuntu_zfs_smoke_test, ubuntu_zfs_stress, ubuntu_zfs_xfs_generic, wb_kupdate
Issue to note in ppc64le (P8):
  ubuntu_sysdig_smoke_test - Unable to build sysdig module on PowerPC with X-4.15 (bug 1810916)

4.15.0-126.129~16.04.1 - lowlatency
Regression test CMPL, RTB.

14 / 60 tests were run, missing: aio_dio_bugs, aiostress, ebizzy, iosched_bugs, iperf, ipv6connect, monotonic_time, rmaptest...

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-hwe - 4.15.0-126.129~16.04.1

---------------
linux-hwe (4.15.0-126.129~16.04.1) xenial; urgency=medium

  * xenial/linux-hwe: 4.15.0-126.129~16.04.1 -proposed tracker (LP: #1905315)

  [ Ubuntu: 4.15.0-126.129 ]

  * bionic/linux: 4.15.0-126.129 -proposed tracker (LP: #1905305)
  * CVE-2020-4788
    - SAUCE: powerpc/64s: Define MASKABLE_RELON_EXCEPTION_PSERIES_OOL
    - SAUCE: powerpc/64s: move some exception handlers out of line
    - powerpc/64s: flush L1D on kernel entry
    - SAUCE: powerpc: Add a framework for user access tracking
    - powerpc: Implement user_access_begin and friends
    - powerpc: Fix __clear_user() with KUAP enabled
    - powerpc/uaccess: Evaluate macro arguments once, before user access is
      allowed
    - powerpc/64s: flush L1D after user accesses

linux-hwe (4.15.0-125.128~16.04.1) xenial; urgency=medium

  * xenial/linux-hwe: 4.15.0-125.128~16.04.1 -proposed tracker (LP: #1903136)

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

  [ Ubuntu: 4.15.0-125.128 ]

  * bionic/linux: 4.15.0-125.128 -proposed tracker (LP: #1903137)
  * Update kernel packaging to support forward porting kernels (LP: #1902957)
    - [Debian] Update for leader included in BACKPORT_SUFFIX
  * Avoid double newline when running insertchanges (LP: #1903293)
    - [Packaging] insertchanges: avoid double newline
  * EFI: Fails when BootCurrent entry does not exist (LP: #1899993)
    - efivarfs: Replace invalid slashes with exclamation marks in dentries.
  * CVE-2020-14351
    - perf/core: Fix race in the perf_mmap_close() function
  * raid10: Block discard is very slow, causing severe delays for mkfs and
    fstrim operations (LP: #1896578)
    - md: add md_submit_discard_bio() for submitting discard bio
    - md/raid10: extend r10bio devs to raid disks
    - md/raid10: pull codes that wait for blocked dev into one function
    - md/raid10: improve raid10 discard request
    - md/raid10: improve discard request for far layout
  * Bionic: btrfs: kernel BUG at /build/linux-
    eTBZpZ/linux-4.15.0/fs/btrfs/ctree.c:3233! (LP: #1902254)
    - btrfs: use offset_in_page instead of open-coding it
    - btrfs: use BUG() instead of BUG_ON(1)
    - btrfs: drop unnecessary offset_in_page in extent buffer helpers
    - btrfs: extent_io: do extra check for extent buffer read write functions
    - btrfs: extent-tree: kill BUG_ON() in __btrfs_free_extent()
    - btrfs: extent-tree: kill the BUG_ON() in insert_inline_extent_backref()
    - btrfs: ctree: check key order before merging tree blocks
  * Bionic update: upstream stable patchset 2020-11-04 (LP: #1902943)
    - USB: gadget: f_ncm: Fix NDP16 datagram validation
    - gpio: tc35894: fix up tc35894 interrupt configuration
    - vsock/virtio: use RCU to avoid use-after-free on the_virtio_vsock
    - vsock/virtio: stop workers during the .remove()
    - vsock/virtio: add transport parameter to the
      virtio_transport_reset_no_sock()
    - net: virtio_vsock: Enhance connection semantics
    - Input: i8042 - add nopnp quirk for Acer Aspire 5 A515
    - ftrace: Move RCU is watching check after recursion check
    - drm/amdgpu: restore proper...

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

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